SOUNDCRAFT REALTIME RACK (01) PDF MANUAL


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PDF Content Summary: Realtime Rack Manual Software Version 8.6 Manual Version 161114 Technical Support Table Of Contents Tip: Click any section or page number to jump directly to that page. Chapter 1: Introduction ....................................................................... 13 Welcome to Soundcraft Realtime Rack! ............................................................. 13 Realtime Rack Features .................................................................................... 14 Hardware ........................................................................................................................... 14 Software ............................................................................................................................ 14 Package Contents ............................................................................................................... 14 Realtime Rack System Overview ........................................................................ 15 Soundcraft Vi Series Consoles .............................................................................................. 15 Realtime Rack Hardware .....................................................................................................15 Realtime Rack Software Application .....................................................................................15 UAD Powered Plug-Ins ........................................................................................................ 16 UAD Meter & Control Panel Software Application ...................................................................16 UAD Meter ................................................................................................................... 17 UAD Control Panels .......................................................................................................17 UA Online Store ..................................................................................................................17 Documentation Overview .................................................................................. 18 Realtime Rack Manual ........................................................................................................ 18 UAD Plug-Ins Manual ..........................................................................................................18 Direct Developer Plug-Ins .................................................................................................... 18 Soundcraft Vi Series Consoles .............................................................................................. 18 Hyperlinks ..........................................................................................................................18 Chapter 2: Hardware ........................................................................... 19 Hardware Overview ........................................................................................... 19 Front Panel ..................................................................................................... 19 (1) HOST Indicator .............................................................................................................19 (2) PSU Indicators .............................................................................................................. 20 PSU Indicator notes: ..................................................................................................... 20 (3) POWER Indicator ...........................................................................................................20 (4 & 5) MADI Indicators ......................................................................................................20 (4) MADI IN Indicator ...................................................................................................20 (5) MADI OUT Indicator ................................................................................................20 (6) RESET Button ...............................................................................................................20 Realtime Rack Manual Table Of Contents 2 Rear Panel ...................................................................................................... 21 (1) AC Power Inputs ............................................................................................................21 (2) Power Switches ............................................................................................................. 21 Automatic Failover .............................................................................................................. 21 (3) Thunderbolt Ports .......................................................................................................... 22 (4) Word Clock Out .............................................................................................................22 (5) Word Clock In ................................................................................................................22 (6) Word Clock Termination Switch ....................................................................................... 23 (7) 1394b Ports .................................................................................................................23 (8 & 9) MADI I/O Ports ........................................................................................................23 (8) MADI OUT .............................................................................................................. 23 (9) MADI IN ................................................................................................................. 23 Standalone Behavior ........................................................................................ 24 Chapter 3: System Setup ..................................................................... 25 Overview ......................................................................................................... 25 System Requirements ...................................................................................... 25 System Connections ......................................................................................... 26 About Realtime Rack system connections ..............................................................................26 About Vi Console HiQNet (Ethernet) connections ...................................................................26 Single Unit Wiring ...............................................................................................................27 Multi-Unit Wiring ................................................................................................................ 28 Software Installation ........................................................................................ 29 Preparation ........................................................................................................................ 29 Software Installation Procedure ............................................................................................29 About Firmware Updates ...............................................................................................29 Device Registration & Authorization ................................................................... 30 About Registration .............................................................................................................. 30 About Authorization ............................................................................................................ 30 Authorization Procedure ...................................................................................................... 30 Offline Authorization Procedure ............................................................................................31 Operating System Software Configuration ........................................................... 33 Mac OS X System Preferences ..............................................................................................33 Energy Saver Panel ....................................................................................................... 33 Computer Sleep ............................................................................................................ 33 Display Sleep ............................................................................................................... 33 Wake for network access ................................................................................................34 Power Adapter Tab ........................................................................................................ 34 Battery Tab ................................................................................................................... 34 Realtime Rack Software Configuration ............................................................... 35 Sample Rate................................................................................................................. 35 Clock Source ................................................................................................................ 35 MADI Bank................................................................................................................... 35 Realtime Rack Manual Table Of Contents 3 Chapter 4: Realtime Rack Application .................................................. 36 Application Overview ........................................................................................ 36 Concepts ............................................................................................................................36 View Screens ................................................................................................................ 36 Global Displays ............................................................................................................. 37 Navigation ....................................................................................................................37 Keyboard Focus ............................................................................................................ 37 Edit & Safe Modes ........................................................................................................ 37 Offline Configuration ..................................................................................................... 37 Entering & Exiting the Application ........................................................................................38 Launch ........................................................................................................................ 38 Full Screen Display ....................................................................................................... 38 Hide/Switch..................................................................................................................38 Quit .............................................................................................................................38 Navigation Overview ......................................................................................... 40 Views Overview ................................................................................................................... 40 Inserts ......................................................................................................................... 40 Gains ...........................................................................................................................40 Delay Groups ................................................................................................................ 40 Channel ....................................................................................................................... 40 Snapshots .................................................................................................................... 40 Settings ....................................................................................................................... 40 Global Navigation Elements ................................................................................................. 41 Info Bar ............................................................................................................................. 41 Main Column ...................................................................................................................... 41 View Menu ................................................................................................................... 42 View Options ................................................................................................................ 42 Bank Views ................................................................................................................... 42 Channels Bar ...................................................................................................................... 42 Channel Select Buttons ................................................................................................. 42 Banks ................................................................................................................................ 43 Current Bank ................................................................................................................ 43 Bank Size..................................................................................................................... 43 Bank Bar ...................................................................................................................... 43 Bank Bar Navigation......................................................................................................43 Bank Concept ............................................................................................................... 44 Meter Bridge ...................................................................................................................... 44 Input Meters................................................................................................................. 44 Meter Bridge Navigation ................................................................................................ 45 Navigation Scroll Bars ........................................................................................................45 Keyboard Focus .................................................................................................................. 46 Focus Indication ........................................................................................................... 46 Focus Navigation .........................................................................................................46 Keyboard Shortcuts ............................................................................................................. 47 Realtime Rack Manual Table Of Contents 4 Global Screen Elements ................................................................................... 48 View Elements .................................................................................................................... 48 Main Column ...................................................................................................................... 48 View Menu ................................................................................................................... 49 View Options ................................................................................................................ 49 Bank Views ................................................................................................................... 49 Quit .............................................................................................................................49 Column Placement ........................................................................................................ 49 Meter Bridge ...................................................................................................................... 50 Input Meters................................................................................................................. 50 Bank Bar ...................................................................................................................... 50 Meter Bridge Navigation ................................................................................................ 50 Channels Bar ...................................................................................................................... 51 Current Bank ................................................................................................................ 51 Bank Size..................................................................................................................... 51 Channel Select Buttons ................................................................................................. 51 Bank Bar ...................................................................................................................... 52 Info Bar ............................................................................................................................. 53 Info Bar Placement ....................................................................................................... 53 Info Bar Elements ......................................................................................................... 53 Operating Mode ............................................................................................................ 54 EDIT Mode ................................................................................................................... 54 SAFE Mode .................................................................................................................. 54 Safe Mode Constraints ...................................................................................................55 Snapshot Display .......................................................................................................... 55 Clock Display ................................................................................................................ 56 Tempo Display .............................................................................................................. 57 Changing tempo values within the tempo dialog ...............................................................57 Changing tempo values via MIDI .....................................................................................58 About external MIDI tap tempo control ............................................................................58 Resource Display .......................................................................................................... 59 UAD Resource Loads .....................................................................................................59 DSP .............................................................................................................................60 Program ....................................................................................................................... 60 Memory ........................................................................................................................60 Inserts View .................................................................................................... 61 Current Bank Channels ........................................................................................................61 Bank Size..................................................................................................................... 61 Channel Column ................................................................................................................. 62 Insert Slots................................................................................................................... 62 Channel Signal Flow ......................................................................................................62 State Indication ............................................................................................................ 62 Realtime Rack Manual Table Of Contents 5 Inserts Options Overview ......................................................................................................63 Option Latch ................................................................................................................ 63 Option Unlatch ............................................................................................................. 63 Timeout Length ............................................................................................................. 63 Modifiers ......................................................................................................................63 Modifier Swipe Shortcuts ............................................................................................... 63 Inserts Option Descriptions .................................................................................................. 64 Power .......................................................................................................................... 65 Remove ........................................................................................................................65 Move ........................................................................................................................... 65 Copy ............................................................................................................................66 Paste ........................................................................................................................... 66 Isolate ......................................................................................................................... 67 Gains View ...................................................................................................... 68 Bank View .................................................................................................................... 68 Channel Column ........................................................................................................... 68 Bank Channels ............................................................................................................. 68 Gain Elements .................................................................................................................... 69 I/O Type ....................................................................................................................... 69 Gain Value .................................................................................................................... 69 Gain Fader ................................................................................................................... 69 Fader Handle ................................................................................................................ 70 Channel Number & Name .............................................................................................. 70 Link/Unlink .................................................................................................................. 70 Gains Options ..................................................................................................................... 71 Inputs ..........................................................................................................................72 Outputs........................................................................................................................72 Both ............................................................................................................................ 72 Default ........................................................................................................................ 72 Isolate ......................................................................................................................... 72 Delay Groups View ........................................................................................... 73 Bank View .................................................................................................................... 73 Channel Column ........................................................................................................... 73 Bank Channels ............................................................................................................. 73 Delay Groups Overview ........................................................................................................ 74 Upsampled UAD plug-ins ...............................................................................................74 How Delay Groups work .................................................................................................74 When To Use Delay Groups ............................................................................................74 System Latency ............................................................................................................ 74 Delay Groups Options .......................................................................................................... 75 Delay Group Button Selectors .........................................................................................75 Compensation Menu ...................................................................................................... 75 Realtime Rack Manual Table Of Contents 6 Delay Groups Elements ........................................................................................................76 Active Delay Group Display ............................................................................................76 Delay Group Buttons ..................................................................................................... 76 Samples Display ........................................................................................................... 76 Output Meter ................................................................................................................ 77 Configuring Delay Groups .....................................................................................................77 Delay Groups Example .........................................................................................................78 Upsampling Values Table ....................................................................................................79 Channel View .................................................................................................. 81 Navigating to Channel View ..................................................................................................81 Selecting Channels within Channel View ...............................................................................81 Two View Modes: Single View & Channel Strip View ................................................................82 View Mode Elements ..................................................................................................... 82 Switching View Modes ................................................................................................... 82 Common Elements ........................................................................................................ 82 Channel View Options ..........................................................................................................83 Channel Name Button ..................................................................................................83 Channel Name Field ......................................................................................................83 Channel Link/Unlink ...................................................................................................... 83 Insert Buttons .................................................................................................................... 84 Insert Button Behavior ...................................................................................................84 Channel Signal Flow ......................................................................................................85 Insert Reordering .......................................................................................................... 85 Insert State Indications ................................................................................................. 85 Channel Strip Button .....................................................................................................86 Remove Plug-In Shortcut ............................................................................................... 86 Channel I/O Gains ...............................................................................................................86 PLUG-IN Tab ...................................................................................................................... 87 General Use ................................................................................................................. 87 Specific Controls ........................................................................................................... 87 Channel Strip View ........................................................................................................88 Status Bar .................................................................................................................... 89 Power Button ................................................................................................................ 90 Zoom Slider .................................................................................................................. 90 PRESETS Tab ..................................................................................................................... 91 Presets Defined............................................................................................................. 91 Channel Strip Defined ................................................................................................... 92 PRESETS Tab Columns .................................................................................................93 FILE Column ................................................................................................................ 93 PRESETS Column ......................................................................................................... 94 SUB-FOLDER Column ................................................................................................... 94 Realtime Rack Manual Table Of Contents 7 ASSIGN Tab ....................................................................................................................... 95 CATEGORY Buttons ....................................................................................................... 95 Plug-In Categories ......................................................................................................... 96 How To Assign Inserts .........................................................................................................96 Assign Insert ................................................................................................................ 96 Reassign Insert ............................................................................................................. 97 De-assign Insert ............................................................................................................ 97 Snapshots View ............................................................................................... 98 Snapshot Defined ...............................................................................................................98 Snapshots Folder Location ............................................................................................. 98 Snapshot Versus System Contents ..................................................................................99 Snapshot Key Commands .................................................................................................... 99 Recalling Snapshots .......................................................................................................... 100 Base Snapshot Workflow .............................................................................................. 100 File Columns .................................................................................................................... 101 Snapshots Term Definitions ................................................................................................102 Navigating to Snapshots View .............................................................................................102 Keyboard Focus & Navigation .............................................................................................102 Folders Column ................................................................................................................ 103 To Select a Folder: ...................................................................................................... 103 Snapshots Column ............................................................................................................ 104 To Prime and Recall a Snapshot: ........................................................................................104 MIDI Bank & Program Change Recall ............................................................................105 Snapshots Options ............................................................................................................ 105 Save Button ............................................................................................................... 105 Save As Button ........................................................................................................... 106 New Button ................................................................................................................ 106 FOLDER/SNAPSHOT Options ....................................................................................... 106 Rename Button........................................................................................................... 106 Delete Button ............................................................................................................. 107 Move Button ............................................................................................................... 107 Move Shuffle .............................................................................................................. 108 IMPORT/EXPORT .............................................................................................................. 108 Export All ................................................................................................................... 108 Import All................................................................................................................... 109 Recall Panel ..................................................................................................................... 110 Active Snapshot Display ..............................................................................................110 Primed Snapshot Display ............................................................................................. 110 Recall Snapshot Button ............................................................................................... 110 Up/Down Buttons ........................................................................................................ 110 Universe View ................................................................................................................... 111 Plug-In State Buttons ..................................................................................................111 Navigating with Universe View ......................................................................................111 Realtime Rack Manual Table Of Contents 8 Settings View ................................................................................................ 112 Navigating to Settings View ................................................................................................112 Settings Tab Names ....................................................................................................112 Hardware Tab ................................................................................................................... 113 Sample Rate Menu......................................................................................................113 Clock Source Menu ..................................................................................................... 113 MADI Channels Menu ..................................................................................................113 Device Buttons ........................................................................................................... 114 Display Tab ...................................................................................................................... 114 Bank Size Menu..........................................................................................................114 Column Location Menu ................................................................................................115 Info Location Menu ..................................................................................................... 115 Monitors Menu ........................................................................................................... 115 Timeout Length Menu ..................................................................................................115 MIDI Tab .......................................................................................................................... 115 MIDI Device Menu ...................................................................................................... 116 MIDI Channel Field ..................................................................................................... 116 MIDI Tap Tempo .........................................................................................................116 Plug-Ins Tab ..................................................................................................................... 117 Hide Button ............................................................................................................... 117 Info Button................................................................................................................. 117 Buy Button ................................................................................................................. 117 Status Column ............................................................................................................ 118 Controls Mode Menu ................................................................................................... 118 Soundcraft Snapshot Recall ............................................................................ 119 Workflow with Vi Consoles ..................................................................................................119 Chapter 5: UAD Meter & Control Panel ............................................... 120 Overview ....................................................................................................... 120 Launching the Application .............................................................................. 120 Using the UAD Meter ..................................................................................... 121 UAD Meter Elements ...................................................................................... 121 Menu Button .................................................................................................................... 121 Drop Menu ....................................................................................................................... 121 Always On Top .................................................................................................................. 122 Title Bar ........................................................................................................................... 122 Plug-Ins Panel Button ....................................................................................................... 122 Resource Gauges .............................................................................................................. 122 Averaged Loads ........................................................................................................... 122 Individual Loads ......................................................................................................... 122 DSP .................................................................................................................................123 Program ...........................................................................................................................123 Memory ........................................................................................................................... 123 Realtime Rack Manual Table Of Contents 9 UAD Control Panels ....................................................................................... 124 Accessing the Control Panels .............................................................................................124 Drop Menu ................................................................................................................. 124 Panel Buttons ............................................................................................................. 124 System Information Panel ............................................................................... 125 Software Section ............................................................................................................... 125 Version String ............................................................................................................. 125 Hardware Section.............................................................................................................. 126 Device Status ............................................................................................................. 126 Device Enabled ........................................................................................................... 126 DSP Load ................................................................................................................... 126 Save Detailed System Profile ........................................................................................126 Plug-Ins Panel ............................................................................................... 127 Authorize Plug-Ins button .................................................................................................. 127 Plug-In Column ................................................................................................................ 128 Status Column .................................................................................................................. 128 Authorized for devices ................................................................................................. 128 Start Demo ................................................................................................................. 128 Demo Active (days remaining) ...................................................................................... 128 Demo Expired ............................................................................................................. 128 Help Column .................................................................................................................... 128 Buy Column ..................................................................................................................... 128 Configuration Panel ........................................................................................ 129 UAD-2 DSP Settings ......................................................................................................... 129 DSP Load Limiting Overview ........................................................................................129 Limit DSP Load .......................................................................................................... 130 DSP LoadLock ............................................................................................................ 130 User Interface Settings ......................................................................................................131 Controls Mode ............................................................................................................ 131 Use Host Mode ........................................................................................................... 131 Toggle initial value modifier..........................................................................................131 Info Display ...................................................................................................................... 131 Help & Support Panel .................................................................................... 132 Realtime Rack Manual Table Of Contents 10 Chapter 6: Using UAD Powered Plug-Ins ............................................. 133 The UAD Plug-In Window ............................................................................... 133 Status Bar ........................................................................................................................ 133 Adjusting Parameters ..................................................................................... 134 Text Entry ......................................................................................................................... 134 Scroll Wheel ..................................................................................................................... 134 Keyboard Control .............................................................................................................. 135 Shortcuts ...................................................................................................... 135 DSP Loading Information ................................................................................ 136 Operating Levels ............................................................................................ 136 Tempo Sync .................................................................................................. 137 Overview .......................................................................................................................... 137 Tempo Sync Plug-Ins .........................................................................................................137 Sync Activation ................................................................................................................. 137 Available Tempo Sync Note Values ......................................................................................138 Range Limits .................................................................................................................... 139 Out of range ............................................................................................................... 139 Entering Tempo Values ...................................................................................................... 139 Arrow Keys ................................................................................................................. 139 Text Entry ................................................................................................................... 139 Precision Delay Modes with Tempo Sync .............................................................................140 Roland RE-201 Sync ........................................................................................................140 Chapter 7: UA Online Store ............................................................... 141 UA Store Overview ......................................................................................... 141 Optional Plug-Ins .............................................................................................................. 141 Bundled Plug-Ins .............................................................................................................. 141 Plug-Ins are already installed ............................................................................................. 141 Coupons...........................................................................................................................141 My.Uaudio .................................................................................................... 142 Registration ......................................................................................................................142 UA Account ...................................................................................................................... 142 My Profile ........................................................................................................................ 142 UAD Authorization Overview ............................................................................ 143 My Systems ...................................................................................................................... 143 UAD System ..................................................................................................................... 143 Account Creation and Device Registration ...........................................................................143 Adding Additional UAD Devices ..........................................................................................143 Authorizing Newly-Purchased UAD Plug-Ins.........................................................................143 Authorizations Are Stored On UAD Device ...........................................................................143 Demo Mode ................................................................................................... 144 Demo Reset...................................................................................................................... 144 Demo Activation ............................................................................................................... 144 Realtime Rack Manual Table Of Contents 11 Buying Plug-Ins ............................................................................................. 145 Purchase Procedure .......................................................................................................... 145 Transfer Video ................................................................................................................... 146 Chapter 8: Specifications .................................................................. 147 Chapter 9: Notices ............................................................................ 149 Maintenance .................................................................................................................... 149 Warranty & Repair .............................................................................................................149 Products Under Warranty ............................................................................................. 149 Out-Of-Warranty Products ............................................................................................ 149 Important Safety Information ............................................................................................. 150 FCC Compliance ............................................................................................................... 151 Hardware Terms and Conditions .........................................................................................152 Software End User License Agreement ................................................................................152 Disclaimer ........................................................................................................................152 Trademarks ...................................................................................................................... 152 Copyright ......................................................................................................................... 152 Chapter 10: Technical Support........................................................... 153 Soundcraft: Support for Vi Series Consoles and Realtime Rack Hardware ...............................153 Soundcraft Tech Support (UK)......................................................................................153 Soundcraft Tech support (USA) ....................................................................................153 Universal Audio: Support for Realtime Rack Software and UAD Plug-Ins ................................153 Realtime Rack Software Knowledge Base ......................................................................153 Contact Universal Audio Support .................................................................................. 153 Realtime Rack Manual Table Of Contents 12 Chapter 1: Introduction Welcome to Soundcraft Realtime Rack! The result of a unique collaboration between live sound mixing experts Soundcraft and renowned plug-in manufacturer, Universal Audio, the Soundcraft Realtime Rack brings industry-standard UAD studio plug-ins to the Soundcraft platform. The Realtime Rack hardware and software delivers tight integration of Soundcraft Vi consoles and UAD Powered Plug-Ins, with (48 kHz) sub-2 millisecond latency and full snapshot store and recall with Soundcraft’s CUE/Snapshot system. Realtime Rack’s robust SHARC-based processors run audio over standard Optical MADI connections and dual-redundant internal power supplies ensure that audio signals keep running, even in the event of a power supply failure. Soundcraft Realtime Rack brings the stability of DSP and the sound quality that Soundcraft and Universal Audio are known for in a scalable, low- latency processing environment. Combining the intuitive Vistonics operator interface with pristine sound quality and powerful mixing features, the Soundcraft Vi Series is already established as the first- choice live sound mixing console for touring and installed applications worldwide. And now, the Soundcraft Realtime Rack provides access to Universal Audio’s acclaimed analogue audio processing emulations and award-winning UAD plug-ins. Realtime Rack software gives Vi console operators all the control they need to insert UAD plug-ins on individual channels, auxiliary channels, and master busses — just as easily as real hardware. A comprehensive snapshot system allows total recall of all plug-ins and their settings, while tight network integration with the Vi Series ensures that all settings of the application are stored and recalled with the Vi console. The UAD Powered Plug-Ins platform offers the world’s most authentic analogue hardware emulations and award-winning audio plug-ins. Powered by Universal Audio’s DSP Accelerator hardware, UAD Powered Plug-Ins deliver rich, analogue sound quality that would be difficult or impossible to achieve with native recording systems. From rare compressors and equalizers, to vintage reverb processors and tape machines, UAD Powered Plug-Ins inject three-dimensional ‘out-of-the-box’ analogue sound to your mixes. Realtime Rack Manual Chapter 1: Introduction 13 Realtime Rack Features Hardware • Durable 1U Rack enclosure • 4 SHARC DSPs on-board • Dual-redundant internal power supplies with failover detection • Each Realtime Rack unit processes up to 16 channels of a MADI stream (add additional units for 32, 48, or 64 channels) • Runs a huge library of UAD Powered Plug-Ins & UAD Direct Developer Plug-Ins • Dual-Thunderbolt host connectivity • One set of MADI optical I/O (64 channels @ 48 kHz) • Word Clock I/O (BNC) and input termination • Sample Rate support from 44.1 kHz to 96 kHz • Clock Support for the following formats: Internal, MADI, Word Clock Software • Purpose-built Realtime Rack application for inserting UAD Powered Plug-Ins • Networked integration with select Soundcraft Vi consoles – allows full remote snapshot triggering and storing • Create, store, and recall channel strip presets • Create, store, and recall snapshots • Up to eight UAD Powered Plug-Ins per-channel • Meter bridge always displays signal levels on all channels • Plug-ins are categorized by type for quick assignments • Large text and graphics for high visibility in live sound environments • SAFE Mode ensures destructive changes do not occur during a live scenario • Edit Mode ensures changes can be made as quickly as possible • Intuitive drag/drop functionality for copy/paste, navigation, and moving plug-ins between inserts and/or tracks • Most functions can be navigated and executed without a mouse (via computer keyboard) • Full screen application minimizes visual clutter • Delay compensation group channels for maintaining phase alignment (critical for drums) • Application and Snapshots can be configured without connected hardware for offline setup and/or sharing with other operators Package Contents • Realtime Rack hardware unit • Power/AC Mains cables: (1) USA, (1) Europe • Set of four rack screw with washers • Getting Started sheet • For installation software, visit uaudio.com/realtimerack/start Realtime Rack Manual Chapter 1: Introduction 14 Realtime Rack System Overview Realtime Rack has several components that comprise the complete Realtime Rack system. A brief description of each component is provided below, along with a link to complete details about the component. Soundcraft Vi Series Consoles Soundcraft Vi Series consoles are digital mixing/processing systems designed for use in a live sound environment. Realtime Rack is designed for Vi console integration. Vi consoles integrate with Realtime Rack via two simultaneous control protocols: MADI – Digital audio streams are routed between Vi consoles and the Realtime Rack hardware unit for signal processing via MADI optical I/O (all UAD plug-in signals are processed in the Realtime Rack hardware unit, not in the Vi console). Use the Vi Console’s powerful Insert and patching system to route signals to and from the Vi console via MADI. Ethernet – Digital control signals, for saving and loading Realtime Rack configuration snapshots, are routed between Vi consoles and the Mac computer running Realtime Rack software via Ethernet. Realtime Rack Hardware The Realtime Rack unit is the 1U rack hardware that performs audio signal processing on digital audio streams via MADI. The hardware unit contains four SHARC DSPs that process the UAD Powered Plug-In algorithms. Each unit can process up to 16 MADI streams, and up to four units can be combined to process a total of 64 MADI streams. The Realtime Rack hardware is configured and controlled by the Realtime Rack software application. For complete hardware details, see “Chapter 2: Hardware” beginning on page 19. Realtime Rack Software Application The Realtime Rack application is the software interface for the Realtime Rack hardware unit. The software configures and controls the hardware unit(s) and UAD Powered Plug-Ins. The application runs on select Mac computers and it interfaces to the Realtime Rack hardware via Thunderbolt. Note: Although UAD Powered Plug-Ins are operated via the Realtime Rack software, the signal processing is performed on the hardware unit’s SHARC DSP, not the computer’s CPU. For complete details about the software application, see “Chapter 4: Realtime Rack Application” beginning on page 36. Realtime Rack Manual Chapter 1: Introduction 15 UAD Powered Plug-Ins UAD Powered Plug-Ins are software plug-in titles containing DSP algorithms. UAD plug- ins are loaded and controlled within the Realtime Rack software for signal processing on the four SHARC DSPs in the Realtime Rack hardware. Each UAD plug-in contains a graphical user interface (GUI) and various control parameters that can be manipulated to achieve the desired sonic results.Typical UAD plug-in interface UAD Powered Plug-Ins are developed by Universal Audio and also by Direct Developer (3rd-party) partners. A wide range of titles are available that are suitable for nearly every application. The UAD Powered Plug-In titles that are included with Realtime Rack depend on the bundle included with the retail product package: Core Live – The Core Live bundle includes 15 UAD plug-in titles that were selected as a fundamental base set for live sound applications. Ultimate Live 2 – The Ultimate Live 2 bundle includes 84 UA-developed titles. Note that Direct Developer titles are not included. UAD plug-ins that are not included in the retail bundles are optional and purchased separately. Optional UAD plug-ins can be individually evaluated without functional limitations for 14 days in demo mode, and can be purchased anytime at the UA online store at uaudio.com. For complete details about how UAD Powered Plug-Ins are used within Realtime Rack, see “Chapter 6: Using UAD Powered Plug-Ins” beginning on page 133. For complete details about individual UAD Powered Plug-Ins, see the UAD Plug-Ins Manual which is placed on the startup disk during software installation. Note: Realtime Rack, like other UAD devices, can only use UAD Powered Plug-Ins which are developed specifically for the UAD DSP accelerator platform. Plug-ins developed for other hosts and platforms (VST, RTAS, AAX, Audio Units, native, etc) cannot be used with the Realtime Rack system. UAD Meter & Control Panel Software Application The UAD Meter & Control Panel is used to authorize licensed UAD plug-ins and configure global functionality that pertains to all UAD devices in the same system (the application is used for all UAD products). The application consists of two components: The UAD Meter and the UAD Control Panels. Complete documentation for the UAD Meter & Control Panel application is in “Chapter 5: UAD Meter & Control Panel” beginning on page 120. Realtime Rack Manual Chapter 1: Introduction 16 UAD Meter The UAD Meter window (shown at right) displays the current DSP, memory, and FireWire status of all active Realtime Rack hardware (including multiple devices). Note: These meters are also represented within the Realtime Rack application. UAD Control Panels The UAD Control Panel window has multiple panels that display, and enable control of, various UAD system, plug-in, and global configuration parameters. The screenshot at right shows the System Info panel, one of four control panel windows in the UAD Meter & Control Panel application. UA Online Store The UA online store at uaudio.com is where optional UAD plug-in licenses can be purchased. Promotional coupons are also redeemed here. All UAD device registrations and plug-in authorizations are managed here as well. For complete details, see “Chapter 7: UA Online Store” beginning on page 141. Realtime Rack Manual Chapter 1: Introduction 17 Documentation Overview Realtime Rack instructions are separated by areas of functionality, as detailed below. Documentation is copied to the computer during software installation (documentation can also be downloaded here). All manuals are available in PDF format only. PDF files require a free PDF reader application such as Preview (included with Mac OS X) or Adobe Reader. After software installation, all Realtime Rack documentation can be found on the computer at the following location: • /Applications/Universal Audio/ Tip: Documentation can also be accessed by clicking the “View Documentation” button in the Help panel within the UAD Meter & Control Panel application. Realtime Rack Manual The Realtime Rack Manual (this document) contains complete information about the hardware unit and how to configure and operate the Realtime Rack software. Included are detailed descriptions for all connections, features, and control functions. This manual also contains details about the UAD Meter & Control Panel application, obtaining optional UAD plug-in licenses at the UA online store, and more. UAD Plug-Ins Manual The features and functionality of all individual UAD Powered Plug-Ins is detailed in the UAD Plug-Ins Manual. Refer to that document to learn about the operation, controls, and user interface of each plug-in that is developed by Universal Audio. Direct Developer Plug-Ins UAD Powered Plug-Ins includes plug-ins from Direct Developer partners. Documentation for these 3rd-party plug-ins are separate files that are written and provided by the plug-in developers themselves. The filenames for these plug-ins are the same as the plug-in title names. Soundcraft Vi Series Consoles Operating instructions for Vi Series consoles is beyond the scope of Realtime Rack documentation. Refer to Soundcraft documentation for all Vi system operating details. Hyperlinks Hyperlinks to other pages in the same file and web pages are highlighted in blue text. Click a hyperlink to jump directly to the linked item. Tip: Use the “back” button in the PDF reader application to return to the previous page after clicking a hyperlink. Realtime Rack Manual Chapter 1: Introduction 18 Chapter 2: Hardware Hardware Overview The Realtime Rack hardware is the 1U rack device that performs audio signal processing on digital audio streams via MADI optical I/O. The hardware unit contains four SHARC DSPs that process the UAD Powered Plug-In algorithms. Each unit can process up to 16 MADI streams, and up to four units can be combined to process a total of 64 MADI streams. Additionally, each unit has dual-redundant internal power supplies and auto- matic failover protection. Each Realtime Rack hardware unit is configured and controlled by the Realtime Rack software application. The MADI channels being processed by each hardware unit is specified in the Settings tab in the Realtime Rack software. Front Panel This section describes the function of all visual indicators and controls on the Realtime Rack front panel. There are five visual-only elements and one (recessed) hardware RE- SET button.1 2 3 4 5 6 powered by RESET (1) HOST Indicator The HOST indicator displays the status of the rear panel Thunderbolt connection to the host computer system. The indicator is lit when Realtime Rack is connected to, and properly communicating with, the Mac computer that is running Realtime Rack software. The Realtime Rack software must be properly installed and configured on the host com- puter to enable driver connectivity, and the HOST indicator must be illuminated to use Realtime Rack with all computer and Vi console operations. Realtime Rack Manual Chapter 2: Hardware 19 (2) PSU Indicators These indicators display the status of the rear panel dual redundant internal power sup- plies. There is one indicator for each power supply unit (PSU 1 and PSU 2). The color of each indicator displays the status of the PSU as follows: White – The PSU is operating normally. The PSU is connected to AC power, and the power switch for the PSU (rear panel) is in the ON position. Red – The PSU is not delivering power. This state is caused by one or more of the follow- ing conditions: • The PSU is not connected to AC power • The power switch for the PSU is in the OFF position • The PSU has malfunctioned PSU Indicator notes: • If one internal power supply unit fails, Realtime Rack will continue to process audio signals. • It is normal for the PSU indicator to flash red upon power up of the hardware (3) POWER Indicator The Soundcraft Realtime Rack logo is lit when the hardware unit is receiving proper op- erating voltages from one or both internal power supply units. (4 & 5) MADI Indicators These indicators represent whether or not MADI digital audio signals are present at the rear panel MADI I/O connectors. There is one indicator for MADI input and one for MADI output. The state of each indicator represents the MADI signals as follows: White (bright) – The audio level of any channel in the MADI stream is above -60 dB. White (dim) – The MADI stream is detected but no channels are above -60 dB. Black (off) – No audio signals are present in the MADI stream. (4) MADI IN Indicator Indicates the state of digital audio signals at the rear panel MADI input connector. (5) MADI OUT Indicator Indicates the state of digital audio signals at the rear panel MADI output connector. (6) RESET Button This recessed button executes a hardware reset and initializes the unit. Reset should only be performed if there is an unrecoverable failure and all other troubleshooting tech- niques are exhausted. Note: Pressing this switch interrupts power to the Realtime Rack hardware unit. It performs the same function as manually turning off the unit with the rear panel PSU switches. Realtime Rack Manual Chapter 2: Hardware 20 Rear Panel This section describes the function of all switches and connectors on the Realtime Rack front panel.

PSU 1 100V-240V 0.30A 50-60 Hz 1PSU 2 100V-240V 0.30A 50-60 Hz SOUNDCRAFT REALTIME RACK SOUNDCRAFT REALTIME RACK DES 2 (1) AC Power Inputs

Connect standard detachable IEC power cables to the dual redundant internal power sup- ply units here. Each PSU accepts 100VAC – 240VAC, 50-60 Hz. The Realtime Rack hardware unit draws a total maximum of 30 Watts of power. Note: One PSU and power cable can be used if failover operation is not desired. (2) Power Switches Each PSU has its own integrated power switch. AC power is passed to the PSU when the switch is in the in (“I”) position. Automatic Failover Realtime Rack’s integrated failover circuitry automatically maintains power to the Real- time Rack hardware. In the event that one of the internal power supplies malfunctions or if power to one of the PSUs is interrupted, Realtime Rack will continue to process audio. Realtime Rack Manual Chapter 2: Hardware 21

Rear Panel (continued) . 7 8 9 3 4 5 6 ON PORT 1( ) PORT 2( ) OFF IN UNIVERSAL AUDIO, INC. 1394b 1 1394b 2 MADI IN (3) Thunderbolt Ports

Connect a Thunderbolt cable (not included) between one of these ports and the Thunder- bolt port on the Mac host computer that is running the Realtime Rack software applica- tion. The HOST indicator on the front panel is lit when the connection is established. Either port can be used for the host computer connection (the port numbers are inconse- quential). The other port remains available for other Thunderbolt connections, for exam- ple additional Realtime Rack units or the Apple Thunderbolt to Gigabit Ethernet Adapter. (4) Word Clock Out This BNC connector transmits a standard (1x) word clock when Realtime Rack is set to use its internal clock. The clock rate sent by this port matches the current system sam- ple rate, as specified in the Hardware tab within the Realtime Rack software application. When Realtime Rack is set to use external word clock as its clock, Realtime Rack is a word clock slave. If the incoming external word clock is within ±0.5% of a supported sample rate (44.1 kHz, 48 kHz, 88.2 kHz, 96 kHz), Word Clock Out will mirror Word Clock In with a slight phase delay of about 40 nanoseconds. (5) Word Clock In Realtime Rack’s internal clock can be synchronized (slaved) to an external master word clock. This is accomplished by setting Realtime Rack’s clock source to Word Clock in the Hardware tab within the Realtime Rack software’s Settings view, connecting the external word clock’s BNC connector to Realtime Rack’s word clock input, and setting the exter- nal device to transmit word clock. If Realtime Rack is the last device in the clock chain, the Termination switch (6) should be engaged. Note: Realtime Rack can be synchronized to an external “1x” clock signal only. Superclock, overclocking, and subclocking are not supported. Realtime Rack Manual Chapter 2: Hardware 22 (6) Word Clock Termination Switch This pushbutton switch provides internal 75-ohm word clock input signal termination when required. Word clock termination is active when the switch is engaged (depressed). Realtime Rack’s termination switch should only be engaged when Realtime Rack is set to sync to external word clock and it is the last device at the receiving end of a word clock cable. For example, if Realtime Rack is the last “slave” unit at the end of a clock chain (when Realtime Rack’s word clock out port is not used), termination should be active. (7) 1394b Ports The 1394b ports are for development and manufacturing purposes only. The have no functionality within the Realtime Rack system. Important: Do not attach any devices to the 1394b ports, and do not connect the FireWire ports to a host computer. (8 & 9) MADI I/O Ports The MADI I/O ports are used for digital audio interconnections between the Realtime Rack hardware unit and the Soundcraft Vi-series consoles. Dual Optical SC-Plug (ISO/ IEC 9314-3) connectors are provided. (8) MADI OUT Connect this port to the MADI optical input on the Soundcraft Vi console. (9) MADI IN Connect this port to the MADI optical output on the Soundcraft Vi console. Realtime Rack Manual Chapter 2: Hardware 23 Standalone Behavior Realtime Rack supports limited standalone functionality in the event that the Thunder- bolt connection to the Mac host computer is lost, or if the Realtime Rack hardware unit is power cycled and no host computer is found upon re-powering the hardware. Thunderbolt connection lost – In the event that the Thunderbolt cable is removed at one or both ends, or if the Mac host computer is otherwise no longer detected, Realtime Rack will continue to process audio in the same state as when the connection was lost, includ- ing UAD plug-in processing. If/when the host connection is reestablished, the Realtime Rack software will be updated to reflect the current state of the hardware, and software control is resumed. Important: Reestablishing the Thunderbolt host-to-hardware connection will cause a temporary mute of the audio streams as channels and plug-ins are re-allocated. In the event of a mid-show failure, wait until it is acceptable to hear a mute in the audio path (e.g., not in the middle of a song). Power cycled, no host found – In the event that power to the Realtime Rack hardware unit is completely interrupted then reestablished and/or the unit is manually power cy- cled or reset, and the host computer cannot be detected after re-powering the hardware, Realtime Rack will function in “all MADI inputs to all MADI outputs” mode without UAD plug-in processing. This ensures that audio can still be routed by the Vi console, even if the Realtime Rack software connection cannot be established. Realtime Rack Manual Chapter 2: Hardware 24 Chapter 3: System Setup Overview Realtime Rack system setup requires these primary procedures, all of which are detailed in this chapter: • System connections (device wiring) • Realtime Rack software installation • Hardware device registration and UAD plug-in authorization • Computer operating system software configuration • Realtime Rack software configuration System Requirements • Realtime Rack hardware unit • Apple Mac computer with available Thunderbolt 1 or 2 port • macOS 10.11 El Capitan or 10.12 Sierra • 4 gigabytes available disk space • Internet connection to download software and authorize UAD plug-ins • Apple Thunderbolt cable for each Realtime Rack unit (not included) • (2) single MADI Optical SC cables or (1) Duplex MADI optical SC cable for each Realtime Rack unit (not included) • Cat 5 Ethernet cable (not included) • Apple Thunderbolt to Gigabit Ethernet Adapter (not included) Realtime Rack Manual Chapter 3: System Setup 25 System Connections Interconnect the Realtime Rack hardware unit, the Realtime Rack software host computer, and the Soundcraft Vi console using the illustrations in this section. About Realtime Rack system connections • Connect Realtime Rack to the host computer via Thunderbolt only. Do not connect to the host computer via 1394b ports. • Although the Thunderbolt ports are numbered, the numbers are inconsequential and either port can be used. • If available, the host computer’s built-in Ethernet port can be used to connect to the Soundcraft Vi console instead of via the Apple Thunderbolt to Gigabit Ethernet Adapter (Apple part number MD463LL/A). • Alternately, the Apple USB Ethernet Adapter (Apple part number MC704LL/A) can be used at the computer for the Ethernet connection (instead of the Thunderbolt to Gigabit Ethernet Adapter). • The MADI channels to be processed by Realtime Rack are specified in the Hardware panel of the Settings page within the Realtime Rack software application. • When synchronizing to external Word Clock, the first unit (MADI channels 1 – 16) must receive the Word Clock, then pass the clock to the second unit and so on (via daisy-chaining), for up to four units. About Vi Console HiQNet (Ethernet) connections • Vi 1 consoles – The HiQnet port is on the rear of the control surface, adjacent to the rear USB sockets (as shown at right). Important: The HiQnet port on early Vi 1 consoles (serial numbers lower than 30210956) is only able to drive short cable lengths, maximum recommended length 1 meter (3 feet). Therefore use a network switch positioned close to the rear of the console to extend the cable length if required. • Vi 2, 4, and 6 consoles – The HiQnet port is located on the rear of the Control Surface, adjacent to the MIDI ports (as shown at right). The port is capable of driving standard Ethernet distances of up to 100 meters. Realtime Rack Manual Chapter 3: System Setup 26 Single Unit Wiring The diagram below illustrates connections for one Realtime Rack unit for up to 16 channels of UAD plug-in processing. Cables Required (not included): • One Thunderbolt cable between Realtime Rack and computer for software control • Two MADI optical cables (or a single duplex cable) between Realtime Rack and Vi console for digital audio • One Cat 5 Ethernet cable between host Mac and Vi console for snapshot control • One Apple Thunderbolt to Gigabit Ethernet Adapter (Apple part number MD463LL/A) for Ethernet Single Unit Wiring Console Soundcraft Rear Panel Surface Vi Soundcraft MADI Ports Vi MADI Optical SC PORT 1( ) PORT 2( ) UNIVERSAL AUDIO, INC. MADI IN Realtime Rack Unit Thunderbolt Ethernet Multi-Unit System interconnections for a single Realtime Rack setup Realtime Rack Manual Chapter 3: System Setup 27 HiQnetTM Ethernet Port Thunderbolt Ethernet Adapter MADI Optical SC Thunderbolt Mac running Realtime Rack software Multi-Unit Wiring The diagram below illustrates connections for 2, 3, or 4 Realtime Rack units for up to 64 channels of UAD plug-in processing (16 MADI channels for each Realtime Rack unit). Important: Multi-unit wiring in this section is newer than (and differs from) the "Getting Started" sheet that is included inside the retail box with early units. Cables Required (not included): • One Thunderbolt cable between Realtime Rack and computer for software control • One Thunderbolt cable for each additional Realtime Rack for unit interlink • One MADI optical cable between Vi console and the first Realtime Rack and for the digital audio send • One MADI optical cable between the last Realtime Rack and Vi console for digital audio return • One MADI optical cable for each additional Realtime Rack for unit interlink Note: Duplex cables are not applicable with multi-unit configurations. • One Cat 5 Ethernet cable between host Mac and Vi console for snapshot control • One Apple Thunderbolt to Gigabit Ethernet Adapter (Apple part number MD463LL/A) for Ethernet Ethernet Multi-Unit Wiring Thunderbolt Realtime Rack Mac software running Rear Vi Surface Panel System interconnections for a multi-unit Realtime Rack setup Realtime Rack Manual Chapter 3: System Setup 28 HiQnetTM Ethernet Port MADI Optical SC Ethernet PORT 1( ) PORT 2( ) UNIVERSAL AUDIO, INC. 1394b 1 1394b 2 MADI IN PORT 1( ) PORT 2( ) UNIVERSAL AUDIO, INC. 1394b 1 1394b 2 MADI IN PORT 1( ) PORT 2( ) UNIVERSAL AUDIO, INC. 1394b 1 1394b 2 MADI IN PORT 1( ) PORT 2( ) UNIVERSAL AUDIO, INC. 1394b 1 1394b 2 MADI IN Vi MADI Ports Thunderbolt Software Installation Complete Realtime Rack software installation consists of two main steps: • Realtime Rack software installation • Device registration and UAD plug-in authorization Preparation Close all open files and applications before starting the software installation procedure. The installer requires a restart after installation. If you are updating to a newer version of Realtime Rack software or installing additional Realtime Rack hardware units, it is not necessary to remove the previous Realtime Rack software or hardware from the system before software installation. Software Installation Procedure To install the Realtime Rack software and UAD plug-ins: 1. Verify the Realtime Rack hardware unit is powered and connected to the host computer via Thunderbolt. 2. Download the Realtime Rack software installer from: uaudio.com/realtimerack/start 3. Open the downloaded installer application. The installer will guide you. Note: If prompted to update the firmware, see "About Firmware Updates" below. 4. Restart the computer when prompted. Software installation is complete. 5. Proceed to Device Registration & Authorization on page 30. About Firmware Updates • Firmware updates for the Realtime Rack hardware may be included within the software to enhance system functionality. The Realtime Rack software prompts for firmware updates automatically (if available). For optimum results, always update the firmware by clicking "OK" if prompted by the software. • After "OK" is clicked and the firmware is installed, a notification appears. After the notification, power off the Realtime Rack hardware. The first time power is reapplied, the hardware will take an extra 20–30 seconds to initialize, after which the firmware update process is complete. Important: Do not interrupt system power during the firmware update routine. Realtime Rack Manual Chapter 3: System Setup 29 Device Registration & Authorization The Realtime Rack hardware unit must be registered and authorized at my.uaudio.com to unlock UAD plug-ins that are bundled with the product. Registration only needs to be completed once. However, authorization must be completed each time the Realtime Rack software is updated. About Registration Realtime Rack device registration is triggered automatically as part of the initial authorization process. The first time authorization is initiated, the default web browser launches and connects to the UA store. Follow the instructions on the web pages to create an account, register the hardware, claim bundled UAD plug-ins, and authorize the system. About Authorization The Realtime Rack hardware stores its authorization and UAD plug-in licenses in the device itself, so the unit can be connected to a different computer without repeating the authorization process. UAD plug-ins that were not bundled with the product can be evaluated without functional restriction during a Demo Mode that expires after 14 days. Authorization Procedure Before proceeding, confirm that the Realtime Rack software is has already been installed and the Realtime Rack hardware is powered and connected to the computer via Thunderbolt (the hardware and software systems must be communicating properly). Important: The following procedure requires an Internet connection to the host computer. To authorize a system that is not connected to the Internet, see the Offline Authorization Procedure on page 31. To authorize Realtime Rack and UAD plug-ins: 1. Launch the UAD Meter & Control Panel. To open the application, click its icon (shown at right) in the Mac OS X Dock. 2. Open the Plug-Ins panel within the UAD Meter & Control Panel application. To access the panel, click the blue UAD-2 button in the UAD Meter window. Realtime Rack Manual Chapter 3: System Setup 30 3. Click the “Authorize Plug-Ins...” button in the Plug-Ins panel. The software connects to the Universal Audio authorization servers. 4. After a few moments, the Authorization Status window appears and "Authorizations successfully updated" is displayed. Click OK to close the window. 5. System authorization is complete. Proceed to Operating System Software Configuration on page 33. Offline Authorization Procedure If the Realtime Rack computer is not connected to the Internet, you will need to manually transfer the registration URL into the browser of a web-enabled computer, download the authorization file on the web computer, then transfer the authorization file back to the Realtime Rack computer. Important: If the Realtime Rack computer is not connected to the internet, you must manually transfer the exact registration URL into the browser of a web- enabled computer. To authorize a system that is not connected to the Internet: 1. Install the Realtime Rack software and hardware using the procedures detailed earlier in this chapter. The Realtime Rack hardware must be powered on and the system must be communicating properly. 2. Launch the UAD Meter & Control Panel application, open the Plug-Ins Panel, and click the "Authorize Plug-Ins" button by following step numbers 1, 2, and 3 on page 30. The default web browser opens with the registration URL in the address bar, along with an error that the computer is not connected to the Internet. (continued) Realtime Rack Manual Chapter 3: System Setup 31 3. You must enter this URL in a web-connected computer, so either: a. Drag the URL icon in the browser’s address bar to the Desktop to create a weblink shortcut (preferred, as illustrated below) then transfer the weblink shortcut to the internet computer via a storage device or network, OR b. Carefully write down the URL, EXACTLY as it appears in the address field. 1. Click+Hold URL icon in browser address bar 2. Drag URL icon to Desktop or flash drive to create a link shortcut Creating a web location shortcut file on the offline system for easier transfer of the URL to an online computer 4. Go to the URL using a web browser on an Internet-connected computer. Either double-click the transferred weblink shortcut, or enter the URL as previously noted. • If you don’t already have a My.Uaudio account, you are directed to create one. Follow the instructions online. • If you already have a My.Uaudio account, login with your email address and password. If your password is lost, the store can email a new one to you. 5. The Realtime Rack hardware is automatically registered and added to your My Systems group, and your authorization file is generated. 6. The authorization file named “auth.uad2” should begin downloading automatically (if not, click the download authorization link). 7. Transfer the authorization file to the Realtime Rack computer via a storage device or network. 8. Double-click the authorization file on the Realtime Rack computer. The authorization is loaded onto the Realtime Rack unit(s) and after a few seconds the Authorizations Status window appears. Offline registration and authorization is complete. 9. Proceed to Operating System Software Configuration on page 33. Realtime Rack Manual Chapter 3: System Setup 32 Operating System Software Configuration Before using Realtime Rack, specific settings must be made in the Mac OS X System Preferences>Energy Saver panel. Mac OS X System Preferences The System Preferences application can be accessed from the Apple Menu (under the Apple icon at the upper left of the OS X Menu Bar), or via the file system at: • /Applications/Utilities/System Preferences.app Energy Saver Panel The required settings are in the Energy Saver panel within System Preferences. To access the panel, click its icon or name in the main System Preferences window. The required Mac OS X system settings for Realtime Rack operation Computer Sleep In the Power Adapter tab, enable the "Prevent computer from sleeping automatically when the display is off" option. Display Sleep In the Power Adapter tab, set display sleep to "Never" by dragging the "Turn display off after" slider to the far right position. Although display sleep is benign to the system, disabling display sleep is recommended to prevent the issuing of inadvertent mouse/keyboard clicks that could send potentially destructive commands to the Realtime Rack software. Hard Disk Sleep In the Power Adapter tab, disable the "Put hard disks to sleep when possible" option to ensure consistent computer performance. Realtime Rack Manual Chapter 3: System Setup 33 Wake for network access In the Power Adapter tab, enable the "Wake for network access" option. Soundcraft Vi Series consoles require "Wake for network access" to be enabled on Mac OS X in order to prevent losing the communication link between the Mac running Realtime Rack and the Soundcraft Vi console if/when the Mac enters Sleep mode. Important: If this setting is disabled and the computer enters System Sleep (either intentionally or unintentionally), the Mac will require system restart or a disconnect/reconnect of the Thunderbolt cable to recover after waking from sleep. Power Adapter Tab The Energy Saver panel has "Battery" and "Power Adapter" tabs for setting different Sleep settings when the computer is running on the power adapter versus running on internal battery power. Realtime Rack is fully qualified only when the Mac is connected to a power source. However, it is important to ensure that Sleep is deactivated (as described above) in the Battery tab in the event of an accidental power disconnection. Important: Realtime Rack is qualified when the computer is running on AC power, and using Realtime Rack with battery power is not a supported configuration. When using a portable notebook computer such as a MacBook Pro or MacBook Air, use the included power adapter for optimum results. Battery Tab Note: Although battery operation is not supported with Realtime Rack, make these settings in the Battery tab in case the power adapter is inadvertently disconnected. • Set display sleep to "Never" by dragging the "Turn display off after" slider to the far right position. • Disable the "Put hard disks to sleep when possible" option to ensure consistent computer performance. Operating system configuration is complete. Proceed to Realtime Rack Software Configuration on page 35. Realtime Rack Manual Chapter 3: System Setup 34 Realtime Rack Software Configuration To properly communicate with the hardware, software settings within the Realtime Rack application must be configured for the Realtime Rack system. To configure the system settings: 1. Confirm that the Realtime Rack hardware is properly connected and powered. 2. Launch the Realtime Rack software. Open the application by clicking its icon (shown at right) in the Mac OS X Dock. The software opens and fills the screen. 3. Click the View menu in the upper left corner (INSERTS is displayed here by default) and select SETTINGS from the drop menu. The HARDWARE tab, containing the system settings, is displayed. Sample Rate 4. From the SAMPLE RATE drop menu, set the sample rate to 48 kHz to match the Soundcraft Vi console system sample rate. Clock Source 5. From the CLOCK SOURCE drop menu, specify the system clock to be used for digital audio synchronization. This setting is usually set to MADI (except when using external Word Clock). MADI Bank 6. From the MADI CHANNELS drop menu, specify the 16-channel MADI bank to be processed by Realtime Rack. This setting should match the channels specified in the Soundcraft Vi console. 7. If multiple Realtime Rack units are connected concurrently, they are automatically assigned to the next set of 16 MADI channel banks. To change the order and processing bank used by Realtime Rack, drag and drop the Unit Buttons up or down until they are in the correct order. Use the Identify Unit Buttons to identify the current assignments of each unit. Note: The physical MADI cable ordering must match the ordering set with the Unit Buttons. After the procedures detailed in this chapter are completed for system connections, software installation, registration, authorization, operating system configuration, and application configuration, the Realtime Rack system is ready for use. Realtime Rack Manual Chapter 3: System Setup 35 Chapter 4: Realtime Rack Application Application Overview The Realtime Rack software application is the software interface for the Realtime Rack hardware. The application is used to configure the Realtime Rack hardware and control UAD Powered Plug-Ins. It can control up to four hardware units concurrently. All applica- tion operations are detailed in this chapter. Note: In this chapter, “Realtime Rack” refers to the software application (not the hardware unit) unless specifically noted otherwise. Concepts Realtime Rack is optimized for operation in environments where fast navigation and op- eration are paramount. The general concept of Realtime Rack’s navigation is a “focus channel” workflow where the operator has a birds-eye view of everything occurring in the application, with the abil- ity to quickly navigate to different channels in order to focus on a channel and edit the various parameters. Once a channel is focused (selected), the various controls and features can be edited, such as any of the eight individual plug-in inserts per channel, plug-in assignments, in- put/output gains, track names, presets, and more. Parameters, presets, and assignments for individual plug-ins can be edited, or Channel Strip view can be used to control mul- tiple plug-ins concurrently. Note: Although UAD plug-ins are operated within the application, all signal pro- cessing occurs on the SHARC DSPs in the hardware unit(s), not the host com- puter’s CPU. View Screens Realtime Rack has six primary screens called Views. Each View displays related visual and control elements. Items available within each View can vary depending on the active selection or function. Some Views provide a broader overview of the environment (e.g., Inserts View), while oth- ers facilitate deep editing of individual functions (e.g., Channel View) and/or file manage- ment (e.g, Snapshots View). Various shortcuts exist for quickly switching between the six View screens. Realtime Rack Manual Chapter 4: Realtime Rack Application 36 Global Displays Items that facilitate navigation and visual feedback that is crucial in performance en- vironments are always displayed in the Meter Bridge and Info Bar. Banks of channels and individual channels can be quickly navigated with the Bank Bar and Channels Bar to quickly get to a channel for editing. Navigation Navigation within the application possible with minimal mouse and/or keyboard mo- tions, and menus are generally only used for less common operations (e.g., global settings). The application is designed to take extensive advantage of navigation using the com- puter’s QWERTY keyboard for precise operations and to reduce targeting errors. Keyboard Focus When elements on the screen have keyboard focus, they can be manipulated with the QWERTY keyboard. Keyboard focus in Realtime Rack is indicated by a yellow out- line box around the screen elements targeted for control with the QWERTY keyboard. These highlighted items can typically be manipulated by using the up/down/left/right arrow keys and/or the Return/Enter keys. Edit & Safe Modes To reduce the possibility of inadvertent results, Realtime Rack has two operating modes. Operations that can cause significant impact to the audio (such as level changes) can only be performed in Edit mode, while Safe mode is (typically) used during performance to prevent inadvertent changes. Important: Realtime Rack does not have an Undo function. Operations per- formed in Edit mode can only be reverted by loading previously-saved presets and/or Snapshots. Offline Configuration The application can be configured without connected rack units for offline setup and/ or sharing the hardware with other operators. Additionally, import and export func- tions are provided to simplify transporting user data between different Realtime Rack systems and/or operators. Realtime Rack Manual Chapter 4: Realtime Rack Application 37 Entering & Exiting the Application Important: To communicate with the Realtime Rack hardware, software settings within the computer and the application must to be properly configured. For de- tails, see “Chapter 3: System Setup” beginning on page 25. Launch Realtime Rack can be opened using either of these methods: • Single-click the Realtime Rack icon that was placed in the Mac OS X Dock during software installation, or • Double-click the Realtime Rack application that was installed to: /Applications/Universal Audio/ Full Screen Display When Realtime Rack is launched, the application expands to fill the entire screen (it cannot be re-sized). The application does not have a standard Mac OS X Menu Bar at the top of the screen. Note: Unlike most Mac OS X applications in full screen mode, there is no option to show a menu bar when the mouse is moved to the top of the screen. Multiple Display Operation Multiple display screens are supported. With multiple-display systems, when the Moni- tors preference is set to ALL, the screen on each display can have different View screen so more elements can be displayed concurrently. For details, see “Monitors Menu” on page 115. Hide/Switch Realtime Rack can be used concurrently with other Mac OS X applications. • To hide the application so other applications can be seen, use the standard Mac OS X keyboard shortcut (Command+H). • To bring Realtime Rack back into the foreground, when it is hidden, click its icon in the OS X Dock or use the Command+Tab application switching shortcut. • To bring other running applications to the foreground, use the standard Mac OS X keyboard shortcut for application switching (Command+Tab). Quit Realtime Rack can be closed using either of these methods: • Select Quit from the application’s View menu (upper left by default), or • Use the standard Mac OS X keyboard shortcut (Command+Q) Realtime Rack Manual Chapter 4: Realtime Rack Application 38 Realtime Rack Terms For the purpose of describing Realtime Rack operations in this chapter, the following definitions are used. Screen – All elements currently visible on the computer display. Some displayed ele- ments are common to all screens, while other elements depend on the active View and/or selected function. Element – One specific item in the screen. An element can be a menu, control (button, switch, knob), or visual indicator. Some screen elements vary depending on the active view and the functions available within that view. View – A set of related functions. Realtime Rack has six primary views, and some views have multiple screens. Items available within each view can vary depending on the active function. Tab – A button that switches between a set of elements within a view. Channel – A single MADI channel within the 64-channel MADI stream. Each Realtime Rack unit can process up to 16 MADI channels. Plug-In – The UAD plug-in files containing the DSP algorithms. Each plug-in has a unique interface containing a set of controls that adjust its audio processing features. Insert – A slot within a single channel where plug-ins are loaded and adjusted. Each channel has eight inserts to facilitate serial processing. Channel Strip – Two or more UAD plug-ins inserted serially in the same channel for stacked signal processing. Bank – A group of MADI channels that are displayed concurrently. The number of chan- nels displayed in a Realtime Rack bank can range from four to 64 channels. Group – A set of specific channels that are grouped together. Realtime Rack uses groups for latency delay compensation, which is necessary to align channels that must maintain phase coherency (such as drum kits with multiple microphones). Linked – Two adjacent channels that are combined into a stereo pair. Linked channels operate with one set of controls and pan settings are automatically set to hard left/right. Focus – A control element that is selected and ready to accept an operational command. Realtime Rack uses element focus extensively to enable operation with the computer’s QWERTY keyboard. Preset – A complete set of parameter values for an individual plug-in or channel strip that are saved as a named disk file. Presets are used to recall favorite settings for indi- vidual plug-ins and/or channel strips. Snapshot – A complete Realtime Rack configuration. Snapshots contain all parameter values within the Realtime Rack application and are used to for total session recall. Snapshots can be loaded directly from within the Soundcraft Vi console via Ethernet us- ing the Vi CUE functions. Realtime Rack Manual Chapter 4: Realtime Rack Application 39 Navigation Overview This section provides an introduction to the various screen elements and navigational concepts. Items in this section are explained in greater detail later in this chapter. Views Overview Realtime Rack has six primary screens called Views. Each View displays related visual and control elements. The currently selected View can be identified by the icon displayed at the top of the Main Column. Views can be selected from the View Menu. Each View name, its associated icon, and a brief description is below. Complete details for each View are provided later in this chapter.

Inserts Displays channel input/output gain controls and signal I/O level meters for all channels within the Current Bank. Channels can also be stereo linked/unlinked in this view. Delay Groups Displays plug-ins and channel strips within individual channels. Chan- nel View is used for editing plug-in parameters and managing presets for individual and/or stacked plug-ins. Snapshots Displays and assigns delay (latency) compensation groups, and latency values, for all channels within the Current Bank. Channel Displays a file management page to store, recall, and edit snapshots of entire Realtime Rack configurations. Displays banks of channels and all plug-in inserts within the current bank. Inserts View is used to move, copy, and paste plug-ins and chan- nels strips, and their current settings, amongst the available inserts in the bank. Gains

Realtime Rack Manual Chapter 4: Realtime Rack Application 40

Settings Displays multiple tabs for setting various hardware, display, MIDI, and plug-in settings and preferences.

Global Navigation Elements The Main Column, Meter Bridge, Channels Bar, and Info Bar can all be used to navigate to different View screens. The location of these elements are illustrated below. Column Main Bank (blue) Bar Current Bank Bridge Meter Channels Bar depend (Elements on the displayed currently in selected this area View) Elements View Info Bar The global elements that appear on all Realtime Rack screens Info Bar The Info Bar is always displayed in all screens, providing visual feedback and access to options that are important in performance environments. Navigate to Snapshots View by clicking the SNAPSHOT area. Main Main Column Column The Main Column is used to choose the current View and navi- gate available options within the View. The Main Column con- tains the View Menu and the View Options. View Menu In the illustration at right, Inserts View is currently active. This is indicated by the INSERTS icon and title at the top of the Main Column. View The View Options shown here are the options available in Inserts Options View. These options are different for each active View. Realtime Rack Manual Chapter 4: Realtime Rack Application 41

View Menu To access any View screen, click the View Menu at the top of the Main Column, and select a View from the drop menu, as shown at right. View Options The View Options are buttons used to activate various control func- tions within each View. The View Options displayed are contextual; the options change when a different View is selected. Bank Views Bank Views are Views that display multiple channels at once. In- serts, Gains, and Delay Groups are the three Bank Views. The Bank Views are grouped within the View Menu (they are not separated by a divider line). Tip: On any screen, single-click the Meter Bridge to quickly return to the last selected Bank View. Channels Bar The Channels Bar is used for channel navigation and to quickly select channels for editing. The Channels Bar elements as displayed with a Bank Size of 8 channels Channel Select Buttons The Channel Select buttons represent all Current Bank channels. The Channel Select buttons are displayed in all Bank Views (Inserts, Gains, and Delay Groups). The Channel Select buttons can be used to quickly navigate any Current Bank channel into Channel View for loading, editing, and saving plug-in settings. The View Menu Realtime Rack Manual Chapter 4: Realtime Rack Application 42

Selected Channel (blue button) Bank Bar (blue) Unselected Channel (gray buttons) Stereo (linked) Channel Stereo (linked) Channel Channel Name & Number Channel Name & Number Channel Name & Number

Current Bank (channels within the Bank Bar) Channel Select Buttons Banks A fundamental navigational concept in Realtime Rack is the Bank. A Bank is a subset of all available MADI channels. Channels contained within a Current Bank are represented by the Channel Select Buttons in the Channels Bar and the Bank Bar. Current Bank The Current Bank is all the channels displayed in the Channels Bar. Channels contained within the Current Bank are represented by the Channel Select buttons and the thin blue Bank Bar. The Current Bank is changed with the Bank Bar. The number of Current Bank channels can be changed with the Bank Size setting. Bank Size The number of channels displayed simultaneously in the Current Bank is determined by the Bank Size setting, which is set in View Menu>Settings>Display Tab>BANK SIZE. Bank Bar The thin blue Bank Bar visually represents all channels in the Current Bank. The Bank Bar is used for Current Bank navigation within all View screens. Bank Bar Navigation The Bank Bar is used to change the Current Bank. Any of the following methods can be used to navigate available channels: • Drag – Drag the Bank Bar, or anywhere in the Input Meters area, with the mouse to change the current bank. With this method, the current bank can be shifted by one or more channels. • Click Input Meter – Single click any channel’s green input meter to switch directly to the bank that contains the channel. With this method, the number of channels shifted is determined by the BANK SIZE setting. • Arrow keys – When the Bank Bar has keyboard focus, use the left/right arrow keys to shift the current bank. With this method, the number of channels shifted is determined by the BANK SIZE setting. Realtime Rack Manual Chapter 4: Realtime Rack Application 43 Bank Concept Conceptual illustration of a Bank within Realtime Rack. In this example, the Current Bank is channels 4 through 11. Moving the thin blue Bank Bar changes the Current Bank channels. Meter Bridge The Meter Bridge is always displayed across the top of all screens. The Meter Bridge contains Input Meters for all MADI channels in the system. Several navigation shortcuts are available from the Meter Bridge. The Meter Bridge elements as displayed with a 16-channel (single unit) system Input Meters Each vertical green meter indicates input signals that are present in the associated MADI channel. The Meter Bridge contains several shortcuts to navigate Realtime Rack, as listed below. Realtime Rack Manual Chapter 4: Realtime Rack Application 44 No Mono Stereo Signal Channel Channel Present Signal Meter Meter (green) (black) Channel Input Level Meters Bank Bar MADI Channel (blue) Number Meter Bridge Navigation The Meter Bridge can be used as navigation shortcuts for the functions below: • Jump to any channel – Double-click any channel’s Input Meter in the Meter Bridge to jump directly to Channel View and select the channel. To return to Bank View: • Return to Bank View – Single-click anywhere in the Input Meters area to return to the previously selected Bank View (Inserts, Gains, or Delay Groups). Navigation Scroll Bars Realtime Rack software displays vertical and horizontal scroll bars when needed in vari- ous views. Scroll bars are used for navigation in the following areas: • Channel View / Single view mode – For horizontal and/or vertical scrolling of a plug-in interface that is too large for the current screen resolution to display. • Channel View / Channel Strip view mode – For horizontal and/or vertical scrolling of a Channel Strip that is too large for the current screen resolution to display • All list views – Plug-in presets, channel presets, assign, snapshots, and settings/ plug-ins tab – For vertical scrolling of all files/folders in the current list view. Typical navigation scroll bars, shown here outlined in red, as they appear with a typical plug-in interface and in the Snapshots list Realtime Rack Manual Chapter 4: Realtime Rack Application 45 Keyboard Focus When elements on the screen have keyboard focus, they can be manipulated with the QWERTY keyboard. Keyboard focus in Realtime Rack is indicated by a yellow outline box around the screen elements targeted for control with the QWERTY keyboard. These highlighted items can typically be manipulated by using the up/down/left/right arrow keys and/or the Return/Enter keys. When elements on the screen have keyboard focus, they can be manipulated with the QWERTY keyboard. Focused items can typically be manipulated by using the up/down/ left/right arrow keys and/or the Return/Enter keys. Focus Indication Keyboard focus in is indicated by a yellow outline box around screen elements targeted for control with the QWERTY keyboard. Typical focus indication. In this example, the PRESETS folder column on the left has focus (yellow outline) and can be navigated with the up/down arrow keys on the keyboard. The tab key will shift focus between this column and the SUB-FOLDER column. Focus Navigation Focus between elements can be changed with the computer’s TAB key, or by clicking another area of the screen with the mouse. Realtime Rack Manual Chapter 4: Realtime Rack Application 46 Keyboard Shortcuts In addition to keyboard focus/navigation methods, Realtime Rack supports the keyboard shortcuts listed in the table below. Shortcut Name Keyboard Command Description Save Snapshot COMMAND+S Saves the current snapshot in place Save Snapshot As... COMMAND+SHIFT+S Saves the current snapshot as a new snapshot and allows renaming Hide Application COMMAND+H Hides the application from view Quit Application COMMAND+Q Quits the Realtime Rack application Show Previous View* COMMAND+LEFT ARROW Returns to the previous view Show Next View* COMMAND+RIGHT ARROW Returns to the next view Tab Focus Navigation TAB Cycles through various sections of the app that can be focused/controlled/navigated with the arrow keys Cancel dialog overlay ESC (escape) Used to cancel dialog functions like Save As, Tap Tempo, enter Edit Mode, etc. Confirm dialog overlay RETURN or ENTER Used to accept dialog overlays like Save As, Tap Tempo, enter Edit Mode, etc. Channel Navigation UP/DOWN/LEFT/RIGHT RETURN/ENTER Used to navigate through all channels and func- tions that can be focused and executed *Previous/Next only shows Views displayed since application was opened Important: Realtime Rack does not have an Undo function. Operations performed in Edit mode can only be reverted by loading previously-saved presets and/or Snapshots. Realtime Rack Manual Chapter 4: Realtime Rack Application 47 Global Screen Elements The Main Column, Current Bank, Meter Bridge, Channel Bar, and Info Bar are groups of elements appear on all screens. These global elements are described in this section. Refer to the illustration below for descriptions in this section. Column Main Bank (blue) Bar Current Bank Bridge Meter Channels Bar depend (Elements on the displayed currently in selected this area View) Elements View Info Bar The global elements that appear on all Realtime Rack screens View Elements The View elements that appear in the main area of each View screen (items not within the Main Column, Meter Bridge, Chan- nels Bar, or Info Bar) depend on the View that is currently se- Main Column lected. All View elements are described in the View sections later in this chapter. View Menu Main Column The Main Column is used to choose the current View and navi- gate available options within the View. The Main Column con- View tains the View Menu and the View Options, as shown at right. Options Realtime Rack Manual Chapter 4: Realtime Rack Application 48

View Menu The six main Views can be accessed with the View Menu. To ac- cess any View, click the View Menu at the top of the Main Column, and select a View from the drop menu, as shown at right. View Options The View Options are buttons used to activate various control func- tions within each View. The View Options displayed are contextual; the options change when a different View is selected. Bank Views Bank Views are Views that display multiple channels at once. In- serts, Gains, and Delay Groups are the three Bank Views. The Bank Views are grouped within the View Menu; they are not separated by a divider line. Tip: On any screen, click the Meter Bridge to quickly return to the last selected Bank View. Quit The View Menu

At the bottom of the View Menu is the QUIT option. Choose QUIT to close the application. The Command+Q keyboard shortcut can also be used to quit. Column Placement By default, the Main Column is at the left side of all screens. However, its place- ment can be moved to the right side of all screens, by setting the preference at View Menu>Settings>Display Tab>COLUMN LOCATION. The Main Column as it appears when positioned on the right side of the screen Realtime Rack Manual Chapter 4: Realtime Rack Application 49 Meter Bridge The Meter Bridge is always displayed across the top of all screens. The Meter Bridge contains Input Meters for all MADI channels in the system and can be used for naviga- tion within Realtime Rack. The Meter Bridge elements as displayed with a 16-channel (single unit) system Input Meters Each vertical green meter indicates input signals that are present in the associated MADI channel. The Meter Bridge automatically expands to display additional MADI channels when two, three, and/or four Realtime Rack hardware units are connected to the system. Tip: Single-click the input meters to enter the most recently selected bank view. Additional (empty) MADI channels can be manually added to the Meter Bridge by click- ing the “+” button at View Menu>Settings>Hardware Tab. This provision is typically used to add empty MADI channels so offline setups can be configured. Mono/Stereo A dual/split meter indicates two channels are stereo linked. When a dual/split meter is shown, the meter represents the left and right channels of the stereo signal. Bank Bar The blue Bank Bar visually represents all channels in the Current Bank. The Bank Bar is used for Current Bank navigation within all View screens. For details, see page 52. Meter Bridge Navigation The Meter Bridge can be used as shortcuts for the functions below: • Jump to any channel – Double click any channel’s Input Meter in the Meter Bridge to jump directly to Channel View and select the channel. To return to Bank View: • Return to Bank View – Single click anywhere in the Input Meters area to return to the previously selected Bank View (Inserts, Gains, or Delay Groups). Realtime Rack Manual Chapter 4: Realtime Rack Application 50 No Mono Stereo Signal Channel Channel Present Signal Meter Meter (green) (black) Channel Input Level Meters Bank Bar MADI Channel (blue) Number Channels Bar The Channels Bar is used for channel navigation and to quickly select channels for editing. Refer to the illustration below for descriptions in this section. Current Bank (channels within the Bank Bar) The Channels Bar elements as displayed with a Bank Size of 8 channels Current Bank The Current Bank is a subset of all available MADI channels. Channels contained within the Current Bank are represented by the Channel Select buttons and the thin blue Bank Bar. The Current Bank is changed with the Bank Bar. The number of Current Bank channels can be changed via the Bank Size setting. Bank Size The number of channels displayed simultaneously in the Current Bank is determined by the Bank Size preference, which is set in View Menu>Settings>Display Tab>BANK SIZE. Channel Select Buttons The Channel Select buttons represent all Current Bank channels. The Channel Select buttons are displayed in all Bank Views (Inserts, Gains, and Delay Groups). The Channel Select buttons can be used to quickly put any Current Bank channel into Channel View for loading, editing, and saving plug-in settings. Tip: Single-click any bank channel select button to enter Channel View and select the channel for plug-in editing. Channel Number & Name The channel number and name is displayed in each Channel Select button. If no chan- nel name has been entered, only the channel number is displayed. The channel number cannot be modified. Channels are named in Channel View by clicking the channel’s Channel Name Button within the Main Column, then entering a name in the name field that appears. Channel Select Buttons Selected Channel (blue button) Unselected Stereo Channel Channel (linked) Name & (gray buttons) Channel Number Realtime Rack Manual Chapter 4: Realtime Rack Application 51 Bank Bar (blue) Selected Channel The currently selected channel within the Current Bank is highlighted by a blue Channel Select button. Functions in Channel View are always performed on the selected channel. Bank Bar The blue Bank Bar represents all channels in the Current Bank. The Bank Bar is used for Current Bank navigation within all View screens. Bank Navigation The Bank Bar is used to change the Current Bank. Any of the following methods can be used to navigate available channels: • Drag – Drag the Bank Bar, or anywhere in the Input Meters area, with the mouse to change the current bank. With this method, the current bank can be shifted by one or more channels. • Click Input Meter – Single click any channel’s green input meter to switch directly to the bank that contains the channel. With this method, the number of channels shifted is determined by the BANK SIZE setting. • Arrow keys – When the Bank Bar has keyboard focus, use the left/right arrow keys to shift the current bank. With this method, the number of channels shifted is determined by the BANK SIZE setting. Realtime Rack Manual Chapter 4: Realtime Rack Application 52 Info Bar The Info Bar is always displayed in all screens, providing visual information and access to options that are critical in performance environments. Refer to the illustration below for all Info Bar descriptions in this section.

Operating Mode (Edit or Safe) Active Snapshot (italics=modified) Clock Source Display & MenuActive Tempo (BPM) Display & Menu Resource Display (UAD plug-in gauges) Resource Display (UAD plug-in gauges)

Elements within the Info Bar The Tempo and Operating Mode controls can only be accessed via the Info Bar. All other controls are also available elsewhere in the application. The Resource Display has no controls (it is a visual indicator only). Info Bar Placement By default, the Info Bar is at the bottom of all screens. However, its placement can be moved to the top of all screens, by setting the preference at View Menu>Settings>Display Tab>INFO LOCATION. Info Bar Elements The Info Bar contains the five main elements below. All elements are described in greater detail later in this section. • Operating Mode – Displays the active Operating Mode (either EDIT or SAFE). Click this area to switch modes. • Active Snapshot – Displays the Active Snapshot name. If the snapshot has been modified since it was loaded, the name is displayed in italics. If the Snapshot was loaded via a Soundcraft Vi Console, the name is “[SOUNDCRAFT CUE].” Tip: Click this area to switch to Snapshots View to load and/or save Snapshots. • Clock Source – Displays the active clock source (MADI, Word Clock, or Internal). Click this area to select a different clock source from the drop menu. This area flashes red if the currently selected clock is not detected (when digital audio is not synchronized). • Active Tempo – Displays the tempo, in beats per minute (BPM), used by UAD plug-ins that are set to use Tempo Sync. Click this area to enter or tap a different tempo. • Resource Meters – Displays resource loads used by UAD plug-ins. This allows you to monitor UAD loads as needed, for example when deciding which UAD plug-ins to load, based upon how much DSP is available. Realtime Rack Manual Chapter 4: Realtime Rack Application 53 Operating Mode Realtime Rack has two switched operating modes: EDIT and SAFE. EDIT Mode Edit mode is typically used for setup and configuration. Edit mode allows all functional- ity, no matter how potentially destructive, to be executed. Ideally, settings that can only be modified in Edit mode are used before a live perfor- mance to minimize the risk of level changes, clicks/pops, or other audio artifacts that could occur with some operations. SAFE Mode Specific parameters and/or functionality are inactive or disabled in Safe mode. This mode is typically used during live performance to prevent inadvertent changes that could significantly impact the audio. See the table on page 55 for the specific Safe mode constraints. Operating Mode Display The active Operating Mode is displayed at the far left of the Info Bar. The appearance of each active mode is shown at right. Note: The Info Bar is the only area within Realtime Rack where the Operating Mode can be viewed or changed. Changing the active operating mode To switch the active operating mode, single click anywhere in the Operating Mode display element at the left of the Info Bar. Execution occurs as follows: • Edit mode to Safe mode – When EDIT mode is active, clicking the operating mode display instantly switches Realtime Rack into Safe mode. • Safe mode to Edit mode – When SAFE mode is active, clicking the operating mode area presents a confirmation dialog to pre- vent inadvertent mode switching. Click OK in the dialog to confirm the change and enter Edit mode. Realtime Rack Manual Chapter 4: Realtime Rack Application 54 Safe Mode Constraints View screen operations that cannot be executed in Safe mode are detailed in the table below. Caution: When Safe mode is active, Snapshots can still be recalled, which can potentially overwrite current plug-in assignments and cause audio artifacts during live a performance. View Screen SAFE Mode Constraint INSERTS • Plug-in REMOVE, MOVE, and COPY/PASTE modifiers are hidden • Empty plug-in inserts are hidden • ASSIGN mode is disabled GAINS • Stereo LINK/UNLINK buttons are hidden DELAY GROUPS • Latency compensation engine cannot be modified (existing settings persist) • Delay Group buttons are hidden (existing groups persist) CHANNEL • Channel ASSIGN tab is hidden • Plug-ins cannot be added or removed • Channel PRESETS tab is hidden (when in Channel Strip mode) • New Channel Strip presets cannot be added or removed SETTINGS • Sample Rate, Clock Source, and MADI Channels cannot be modified INFO BAR • Clock Source cannot be modified Snapshot Display The Snapshot Display shows the filename of the Active Snapshot. A Snapshot is a complete Realtime Rack configuration file, containing all parameter values within the application. Snapshots are typically used for total session recall. Snapshots can also be recalled directly within the Soundcraft Vi console via Ethernet. Italic Snapshot Name Whenever the active snapshot is modified from its last saved state, the Snapshot name is displayed in italics, as shown at right. Tip: Type Command+S at any time to save the current state of the existing Snap- shot to disk (overwriting the existing file; note this operation cannot be undone), or type Shift+Command+S to save the Snapshot as a new disk file. Realtime Rack Manual Chapter 4: Realtime Rack Application 55 Soundcraft CUE Name When a Snapshot is loaded remotely from a Sound- craft Vi Console (via Ethernet), the Active Snapshot is overwritten. When this occurs, [SOUNDCRAFT CUE] is displayed, as shown at right. Caution: When a Snapshot CUE is loaded from a Soundcraft Vi Console, the Active Snapshot is overwritten, any unsaved changes are lost, and audio artifacts could occur. Clock Display The Clock Display has three functions: It shows the currently se- lected clock source, facilitates selection of a different clock source, and indicates when the selected clock source signal is not detect- ed. Clock Source Menu Realtime Rack can synchronize to external MADI clock, external word clock, or Internal clock. To select a clock source, click any- where in the clock display area to view the clock source pop-up menu (shown at right), then select a clock source from the menu. Tip: The clock source can also be specified in View Menu>Settings>Hardware Tab>CLOCK SOURCE. In typical use, Realtime Rack should be set to MADI clock (the default value) for syn- chronization with the digital audio from/to the Soundcraft Vi console. Note: The Clock Source cannot be modified in SAFE mode. No External Clock If the Clock Source setting in not set to Internal and the external clock signal cannot be detected and/or resolved, then the text in the Clock Display display flashes RED (shown at right) until a valid clock is detected and/or an alternate clock source is selected. If this occurs, verify con- nections and external device settings. Important: Only one device in a digital audio system can be the master clock source. The Realtime Rack clock setting, and the sample rate, must match the MADI device settings or audio artifacts could occur. No Hardware Detected If the Realtime Rack hardware unit(s) is not properly connected and/or the software is not properly installed, the clock source will display OFFLINE as shown at right. Realtime Rack Manual Chapter 4: Realtime Rack Application 56 Tempo Display This area displays the tempo value of the Active Snapshot in BPM (beats per minute) and facilitates selection of a different tempo. The tempo value is used by time-based UAD plug-ins (such as delays and echos) that are set to use their Tempo Sync features. For details about how to use UAD plug-ins with this feature, see “Tempo Sync” on page 137. The Tempo value is stored within the Snapshot; therefore each Snapshot can contain a unique tempo. The available tempo range is from 1.00 BPM to 999.00 BPM. The de- fault tempo of a new Snapshot is 120 BPM. Changing tempo values within the tempo dialog The tempo can be changed within the tempo dialog by entering a text value or using the tap tempo feature. To view the tempo dialog (shown at right), click anywhere in the Tempo Display within the Info Bar. Tip: To leave the tempo unchanged after entering an (unwanted) value in the dialog, press the ESC key or click Cancel with the mouse. Text Entry 1. Open the tempo dialog by clicking the tempo display in the Info Bar 2. Type a numeric tempo value 3. Press Return or Enter, or click OK with the mouse. Tap Tempo: QWERTY keyboard 1. Open the tempo dialog by clicking the tempo display in the Info Bar 2. Press the Tab key once to focus the TAP button (yellow outline) 3. Press the “t” key at least four times to establish the tempo 4. Press Return or Enter. Tap Tempo: Mouse 1. Open the tempo dialog by clicking the tempo display in the Info Bar 2. With the mouse, click the TAP button at least four times to establish the tempo 3. Click the OK button. Realtime Rack Manual Chapter 4: Realtime Rack Application 57 Changing tempo values via MIDI Tap tempo can be used to set a new tempo from incoming MIDI that are received via the Mac OS X operating system. This method requires any external MIDI hardware and/or MIDI software that is recognized by Audio MIDI Setup (which is Mac OS X’s MIDI routing utility application (located in /Applications/Utilities). About external MIDI tap tempo control • Audio MIDI Setup must be configured before Realtime Rack is launched. After it is properly configured, Audio MIDI Setup does not need to remain open. • MIDI note values or MIDI controller values can be used as the data source. • Realtime Rack cannot synchronize the tempo to incoming MIDI beat clock. MIDI configuration/setup 1. Before Realtime Rack is opened, verify the MIDI output device and/or MIDI soft- ware is configured properly and active in Audio MIDI Setup. 2. In the View Menu>Settings>MIDI Tab (page 115), set the values for MIDI DE- VICE, MIDI CHANNEL, DATA TYPE, and DATA VALUE to match the transmitted MIDI data. 3. Transmit the MIDI note or controller (as specified in the previous step) at least four times to establish the tempo. The Tempo Display is RED during this period. 4. After a new tempo value is established, the new tempo is used and the Tempo Display changes back to BLACK. Simply retransmit the MIDI data to apply further tempo updates. Realtime Rack Manual Chapter 4: Realtime Rack Application 58 Resource Display UAD plug-in loads are shown in the Resource Display at the far right of the Info Bar. These three meters (DSP, PGM, and MEM) provide important visual feedback in realtime, by helping to determine which plug-ins to load if available UAD resources are limited. Program Memory Meter DSP Meter Memory Meter The Resource Display within the Info Bar The Resource Display mirrors the meters within the UAD Meter & Control Panel applica- tion. The details provided in this section is a subset of more complete explanations that are available in “Chapter 5: UAD Meter & Control Panel” beginning on page 120. UAD Resource Loads The green bar graph of each meter, and its percentage, represent the amount of the re- source that is currently used. 100% is the maximum possible load. Averaged Loads The load for each meter represents the average for all UAD devices in use. For example, if one Realtime Rack hardware unit is installed, the DSP load is an average of the four SHARC DSP processors in the unit. If two units are installed, then the loads of all eight processors are averaged. Channel Loads All UAD plug-ins in a single channel must fit on a single DSP. Therefore it is possible to get a “plug-in was unable to load” message when attempting load a plug-in or in a chan- nel that does not have enough UAD resources, even if the Resource Display indicates enough overall resources are available. Static Loads Realtime Rack uses UAD DSP and memory for its internal DSP mixer, therefore the meters will indicate loads (when the hardware is connected) even if UAD plug-ins are not loaded. Individual Device Loads The loads of individual devices in a multi-unit setup, and the individual DSP loads within a single unit) can be viewed in the System Information panel within the UAD Meter & Control Panel application. Realtime Rack Manual Chapter 4: Realtime Rack Application 59 UAD Plug-Ins Loads The amount of UAD resources used by UAD plug-ins vary with each individual plug-in; more complex algorithms require more resources. The amount of DSP used by each individual UAD plug-in is available in the UAD in- stance count chart. The chart can help determine which to plug-ins to assign with avail- able resources. The chart is published online at: • uaudio.com/support/uad/compatibility/instance-chart.html DSP The DSP meter displays the amount of digital signal processing resources that are be- ing used by Realtime Rack. DSP is the primary hardware resource that powers the UAD Powered Plug-In algorithms. Note: When UAD plug-ins are disabled, DSP requirements are decreased EXCEPT when the plug-in is disabled using the Power control within the plug-in interface. Program This resource shows how much program memory (PGM) is in use. Program memory is an on-chip memory that is specific to the SHARC processor(s) and is used for certain UAD plug-in resources. Each unique UAD plug-in uses a bit of program memory. If many different plug-ins are loaded simultaneously, it is possible for this resource to run out before a DSP overload occurs. This point is considered and factored in by automatic load balancing routines. Memory The Memory (MEM) meters indicate the amount of Realtime Rack hardware RAM that is currently in use. Memory is used for echo, delay lines, reverb, and similar spatial processing. When UAD plug-ins are disabled but not unloaded, memory requirements are not decreased. In this case, the memory remains loaded so that reverb tails and delay lines are not cut off when the plug-in is disabled. Realtime Rack Manual Chapter 4: Realtime Rack Application 60 Inserts View Inserts View displays an overview of the current state of all inserts within all channels within the Current Bank. An insert is a single slot, within a single channel, where UAD plug-ins are instantiated. This view is where plug-ins can be very rapidly disabled, moved, removed, copied, and isolated using the Inserts Options. All Inserts View functions are detailed in this section. Inserts Option Buttons Above: The main elements within Inserts View Inserts View is one of the three Bank Views. If Inserts View is active then a non-Bank View (Channel, Snapshots, or Settings) is activated, single-clicking the input meters in the Meter Bridge will return to Inserts View. Current Bank Channels Inserts View displays all channels in the Current Bank. The Current Bank is defined by, and navigated with, the blue Bank Bar within the Meter Bridge. Tip: To change the active bank channels, focus the Bank Bar via the Tab key then use the left/right arrow keys, or drag the Bank Bar with the mouse. Bank Size The total number of channels displayed concurrently in the active bank is a preference specified in View Menu>Settings>Display Tab>BANK SIZE. Realtime Rack Manual Chapter 4: Realtime Rack Application 61 Channel Column Inactive Disabled Insert Active Insert Insert (red/italic) (light gray) (blue/italic) Channel Insert Slots Channel Output Meters Current Bank Channels Empty Insert Slot (+)

Channel Column The channel column provides an overview of the plug-in state of a single channel, and all channels in the bank are displayed con- currently. All UAD plug-ins loaded in the channel are displayed here, along with an output meter for the channel. Note: The number of displayed channel columns is defined by the bank size setting in Settings View. Insert Slots The insert slots indicate the current status of each plug-in, and provide a shortcut to Channel View, where the individual plug- ins are manipulated. Up to eight slots are available within each channel to facilitate serial signal processing. Tip: Click anywhere in any empty column space to jump to Channel View for assigning and editing plug-ins in the slot. Channel Signal Flow Audio signals in a channel flow through the inserts serially from top to bottom. Therefore, if more than one plug-in is inserted in a channel, the location of a plug-in within the inserts can impact the sound of the channel. Inserts can be re-ordered in Channels View to change the serial processing order. State Indication Populated insert slots contain a thumbnail image of the UAD plug-in that is loaded in the slot. The state of loaded plug-ins within each insert slot can be determined by the background color of the slot, as follows: Active (light gray) – The plug-in is active and processing audio. Inactive (dark blue) – The plug-in has been disabled by the power button in Channel View, and the plug-in name is italicized (the EMT 140 slot at right indicates this state). Channel column with populated insert slots

Note: Disabling a plug-in via the power control within its GUI interface (versus the Power button in Channel View) does not change the background color or italicize the name. Disabled (red) – The plug-in is disabled because there is not enough UAD resources, it is unlicensed and the demo has expired, and/or the UAD authorization needs updating. The plug-in name is also italicized. The EP-34 slot at right indicates this state. Empty (+) – The slot is not populated with a plug-in. Click the”+” symbol to switch to Channel View and insert a plug-in into the slot. Tip: Click anywhere in any empty column space to insert a plug-in at that location. Realtime Rack Manual Chapter 4: Realtime Rack Application 62 Output Meter – This meter displays the signal level at the output of the channel (after all plug-in processing in the channel). Inserts Options Overview The Inserts Options (in the Main Column, below the View Menu) en- able various operations to be performed on the plug-ins displayed within Inserts View. The option operations are accomplished by selecting an option to latch the function, executing the operation(s) using Modifiers, then exiting the latched function. Option Latch

When an Inserts Option button is activated, the button flashes blue, indicating that the function is latched and ready to be executed. Option Unlatch The latched option is unlatched (the button stops flashing blue) when: • Any option button is activated (same or different) • A different View screen is activated • No operations are executed during the Timeout Length Timeout Length The Inserts Options buttons

When an option is latched, it is automatically unlatched (times out) after the Timeout Length to prevent inadvertent modifications. The Timeout Length is a preference set in View Menu>Settings>Display Tab>TIMEOUT LENGTH. The default Timeout Length is six seconds. Modifiers Modifiers are icons superimposed on various elements when an option is latched. Modi- fiers are used to execute the operations. The specific modifiers that appear, and where they are located, depend upon the specific option that is latched. Inserts modifiers are superimposed on insert slots, and smaller column modifiers are su- perimposed on the Channel Select buttons within the Channels Bar, as shown in the next screenshot. Modifier Swipe Shortcuts Modifier functions can be executed extremely rapidly across many channels and/or insert slots in the current bank using the swipe shortcuts. When an Insert Option is latched, click+hold the mouse, then drag vertically and/or horizontally across channels and/or inserts to perform the function on all inserts that are swiped. Tip: The Modifier swipe shortcuts are (by far) the fastest way to perform the same function on multiple inserts (for example, as compared to equivalent functions in Channel View). Realtime Rack Manual Chapter 4: Realtime Rack Application 63 Inserts View showing the modifiers that appear when the move option is latched. Swipe across channels and/or insert slots to rapidly perform the function on many inserts. Inserts Option Descriptions The functions of each Insert Option are detailed below. The descriptions and screenshots are applicable when the option button is latched (blue). Note: All UAD plug-ins within a single channel must fit on a single DSP. Therefore it is possible to get a “plug-in was unable to load” message when attempting to move or paste a plug-in or channel strip to a channel that does not have enough UAD resources, even if the Resource Display indicates enough overall resources are available. Most Inserts Options are only available in EDIT mode. The Power and Isolate options are available in SAFE mode. Important: Insert Option operations cannot be undone. Realtime Rack Manual Chapter 4: Realtime Rack Application 64 Power The Power option deactivates an individual plug-in within a single insert slot. When deactivated, the plug- in no longer uses UAD DSP resources. Click the modi- fier to change the power state. When Power is latched, deactivated plug-ins are in- dicated by a red modifier, and active plug-ins have a green modifier. Caution: Because this function unloads and loads the plug-in from the DSP, audio artifacts can occur if the power state is changed while audio is being processed by the plug-in. To disable individual plug-in processing without audio artifacts, use the power control within the plug-in interface in Channel View instead (however, the interface control method does not reduce DSP loads). Remove The Remove option permanently deletes the plug-in from the insert slot. When Remove is latched, click the modifier to delete the plug-in. Important: If the plug-in settings are modified and unsaved in a preset, the modified settings are lost with this function (Remove cannot be undone). Caution: Because this function unloads the plug-in from the DSP, audio artifacts can occur if a plug-in is removed while audio is being processed by the plug-in. Move The Move option is used to move an individual plug-in (and its active settings) from one insert slot to another insert slot in any channel within the Current Bank. Move can also be used to move a complete channel strip (all plug-ins in the channel column) from one channel to another channel within the Current Bank. Move Individual Plug-In When Move is latched, drag any insert modifier to move the plug-in to another slot. If a plug-in exists in the destination slot, the existing plug-in is bumped to a different slot within the same channel. Move Channel Strip within same bank When Move is latched, drag any column modifier to another channel to move the all plug-ins in the source column to the destination column. Caution: If plug-ins exist in the destination channel, all existing plug-ins in the destination channel are deleted. Move operations cannot be undone. Realtime Rack Manual Chapter 4: Realtime Rack Application 65 Copy The Copy option is used to duplicate an individual plug-in or complete channel strip, and their active set- tings. Copy can be performed from one insert slot to another insert slot (on the same or a different channel), or from one channel to another channel, within the Current Bank.Note: To copy settings to a channel that is not within the current bank, use the channels presets function available within Channel View. Copy is a two step process. First the insert or channel strip is copied, then the copied data is pasted to the destination insert or channel. Tip: After copying, the copied modifier remains superimposed on the source ele- ment, as an indicator of the data that resides in the copy/paste buffer. Paste After any insert or channel strip is copied, the Copy button changes to Paste. To paste the copied data, click any insert slot and the copied data is placed in the destination. The copied data can be pasted to multiple destinations as long as the paste option remains latched. Caution: If plug-in or channel strip exists in the paste destination(s), existing plug-ins or channel strips in the destination(s) are deleted. Paste operations can- not be undone. Copy Individual Plug-In When Copy is latched, click any insert modifier to copy the plug-in, then click one or more destinations while the paste button is latched. Copy Channel Strip When Copy is latched, click any column modifier to copy the channel strip, then click one or more bank channel select buttons while the paste button is latched. Note: When copying channel strips, the channel’s input and output gain settings are also copied/pasted to maintain consistent signal levels. Realtime Rack Manual Chapter 4: Realtime Rack Application 66 Isolate Isolate prevents a channel’s active settings from being modified when a Snapshot (a Re- altime Rack configuration file) is loaded. Isolate is typically used to prevent channel adjustments made during a live performance from being overwritten by Snapshot changes. When Isolate is latched, click any column modifier to isolate the channel. Click again to de-isolate the channel. When a channel is isolated, the text “[ISO]” appears beneath the bank channel name in the Meter Bridge. Tip: Channel isolations can also be set in Gains View. The Isolate modifiers and text indication Realtime Rack Manual Chapter 4: Realtime Rack Application 67 Gains View Gains View displays input/output gain level controls, and signal input/output level me- ters, for all channels within the Current Bank. Channels can also be stereo linked and unlinked in this view. Refer to the illustration below for all Gains View functions detailed in this section. The main elements within Gains view Bank View Gains View is one of the three Bank Views. If Gains View is active then a non-Bank View (Channel, Snapshots, or Settings) is activated, single-clicking the input meters in the Meter Bridge will return to Gains View. Channel Column The channel column can display input channels, output channels, or both input and out- put channels, depending on the Gains Option that is specified. Bank Channels Like all Bank Views, the number of channel columns displayed in Gains View is defined by the Current Bank, which can be changed by moving the blue Bank Bar in the Chan- nels Bar. Channel Linked Column Unlinked Channel Channel (mono) (stereo) Gains Buttons Option Gain Elements (faders+others) Faders Gain Link & Unlink Buttons Current Bank Channels Realtime Rack Manual Chapter 4: Realtime Rack Application 68 Gain Elements Each input and output channel has its own set of gain controls and indicators. Refer to the illustration below for descriptions of the elements that follow. Unlinked Linked Channel (mono) Channel (stereo) I/O Display Type Channel Number & Name The gain elements I/O Type The IN or OUT text is a label that indicates whether the gain controls are for an input channel or an output channel. Each row of gain controls is always of the same. If the BOTH option is active, input gain controls are above the output controls. Gain Value This field displays the current gain setting in dB, with one-tenth dB resolution. The value is changed by moving the fader handle. Gain Fader The gain faders are used to set the gain of the I/O channels. Drag the fader handle to change the gain value. The available gain range for all I/O gain faders is from –INF dB to 12 dB. The default value is 0 dB (unity gain). Tip: Option+click any gain fader (or anywhere within a channel column) to set its gain to 0 dB. This operation cannot be undone. Gain Display Value Fader Handle Gain Fader Level & Meter Button Link Button Unlink Realtime Rack Manual Chapter 4: Realtime Rack Application 69 Input Faders The input faders adjust the level of the MADI signal before plug-in processing. Tip: By adjusting the input gain, different sonics can be obtained with UAD plug- in emulations that have (desirable) non-linear input distortion characteristics. Output Faders The output faders adjust the level of the MADI signal after plug-in processing. Output ad- justments are convenient to compensate for overall level changes that may occur within a plug-in or channel strip. Fader Handle Gain values are adjusted with this control. Click+drag the handle down to lower the gain, or up to increase the gain. Level Meter The digital signal level of the channel is represented here in green, using standard digital peak metering. The top of the meter range indicates 0 dBFS (digital full scale). The top bar glows RED when 0 dBFS is exceeded (when digital clipping has occurred). Note: The fader handles are superimposed on the level meters. Therefore, the signal may appear above the handle position. Input Meters The input meters are pre-fader. The incoming MADI channel’s signal level is displayed. Output Meters The output meters display the MADI channel’s output level after plug-in processing but before the output fader (post plug-ins, pre-fader). Channel Number & Name The channel number and name is displayed here. If no channel name has been entered, only the channel number is displayed (the channel number cannot be modified). Tip: Channels are named in Channel View by clicking the channel’s number/name box within the Main Column, then entering a name in the name field that appears. Link/Unlink Two adjacent channels can be combined into a stereo pair. When channels are linked, any control adjustments will affect both channels of the stereo signal identically. Note: The link and unlink cannot be performed in SAFE mode. The link/unlink buttons are hidden when SAFE mode is active. Tip: Channels can also be linked/unlinked in Channel View by clicking the chan- nel’s number/name box within the main column. Realtime Rack Manual Chapter 4: Realtime Rack Application 70 Activating Link Stereo pairs are created by clicking the LINK button between two adjacent channels. Caution: When Link is activated, all channel and plug-in settings in the right channel are overwritten by the plug-ins and gains in the left channel. This opera- tion cannot be undone. When Link is activated: • The LINK button text changes to UNLINK • One set of controls is available for the stereo channel • All current control settings of the left channel are copied to the right channel • All inserted plug-ins in the left channel are converted to stereo (parameter values are retained) • The level meter changes to a stereo level meter Link Deactivation The stereo pair is separated back into individual channels by clicking the UNLINK but- ton. When LINK is deactivated, all current control settings and inserted plug-ins for the stereo channel are copied to both resulting mono channels. Link Constraint Odd-numbered channels can only be linked to the next even-numbered channel (for ex- ample, channel 1 can be linked to channel 2, but channel 2 cannot be linked to channel 3).Gains Options The Gains Options (in the Main Column, below the View Menu) enable various views to be changed, and operations to be performed, on the channels displayed within Gains View. View Options The Inputs, Outputs, and Both options change the I/O channels that are displayed. They do not use latching or modifiers. Note: One of the view options is always active, including when a latched option is being performed. Latched Options

The Default and Isolate option operations are accomplished by select- ing the option to latch the function, executing the operation(s), then exiting the function. The Gains Options buttons

These latched options use the same methodology as Inserts View. For complete details about latched operations, see “Option Latch” on page 63. Realtime Rack Manual Chapter 4: Realtime Rack Application 71 Inputs When the Inputs option is active (when the button is blue), only the input gains are dis- played. This option enables increased resolution of the gain faders and level meters by increasing the vertical space devoted to the input channels (versus the Both option). Outputs When the Outputs option is active (when the button is blue), only the output gains are displayed. Tip: The Inputs and Outputs view options enable increased resolution of the gain faders and level meters by increasing the vertical size of these elements. Both This view option displays all input and output gains in the Current Bank. The vertical size of the gain faders is reduced in this view. Default This option facilitates the ability to quickly set one or more displayed gain levels to 0 dB (unity gain). When the Default button is latched, click any gain fader (or anywhere within a channel column) to set its gain to 0 dB. Note that gain values can be returned to 0 dB without using the Default option. To set a gain value to 0 dB within any screen in Gains View or Channel View, option+click any gain fader. Important: Gain changes using either of these methods cannot be undone. Isolate Isolate prevents a channel’s active settings from being modi- fied when a Snapshot (a Real- time Rack configuration file) is loaded. Isolate is typically used to pre- vent channel adjustments made during a live performance from being overwritten by Snapshot changes. When Isolate is latched, click any column modifier to isolate the channel. Click again to de- isolate the channel. When a channel is isolated, the text “[ISO]” appears beneath the bank channel name in the Channels Bar. Tip: Channel isolations can also be set in Inserts View. Realtime Rack Manual Chapter 4: Realtime Rack Application 72 Delay Groups View Delay Groups are latency compensation tools used to maintain phase alignment across multiple channels when upsampled UAD plug-ins are used in Realtime Rack. Refer to the illustration below for element descriptions in this section. Channel Active Inactive Active Column Delay Display Group (all Delay gray Group buttons) (all Delay blue Group buttons) Delay Group Options Group Delay Buttons Samples Display Output Meters Current Bank Channels The elements within Delay Groups View Bank View Delay Groups View is one of the three Bank Views. If Delay Groups View is active then a non-Bank View (Channel, Snapshots, or Settings) is activated, single-clicking the input meters in the Meter Bridge will return to Delay Groups View. Channel Column The elements displayed in the Channel Column is the same for all channels in the Cur- rent Bank, and varies depending on the currently selected Delay Group Option. Bank Channels Like all Bank Views, the number of channel columns displayed in Delay Groups View is defined by the Current Bank, which can be changed by moving the thin blue Bank Bar within the Channels Bar. Realtime Rack Manual Chapter 4: Realtime Rack Application 73 Delay Groups Overview Upsampled UAD plug-ins Some UAD plug-ins are upsampled, meaning their internal sample rate is increased to achieve sonic design goals. When upsampled UAD plug-ins are loaded in Realtime Rack, additional latency delay is induced in the channel(s) using the plug-in(s). Although the delay added by each upsampled UAD plug-in is negligible (typically be- tween 0-140 samples, depending on the plug-in and sample rate), this extra delay can affect output phase coherency. For example, if two microphones are used on an acoustic source (such as a drum kit) and an upsampled plug-in is used on one of the mic channels but not the other, the phase of the two mic channels will no longer be aligned. Note: For the list of upsampled UAD plug-ins and their specific latency values, see the “Upsampling Values Table” on page 79. How Delay Groups work Delay Groups automatically add small amounts of delay to each channel in the group that are not delayed by upsampled plug-ins, so all channels in the group are still phase aligned. In other words, all channels in the Delay Group are delayed by the same amount. Note that the amount of delay added by the Delay Group engine is automatic. Only the minimum amount of delay actually required to compensate the channel(s) is dynami- cally applied, maintaining the lowest possible latency required for phase alignment at all times. Up to 16 unique Delay Groups can be configured. For specific instructions, see “Config- uring Delay Groups” on page 77. When To Use Delay Groups Delay Groups are required to maintain channel phase alignment only when both of these conditions are met: 1. Multiple Realtime Rack channels are used for a single source (such as a drum kit using multiple microphones), and 2. Any of those source channels contain upsampled UAD plug-ins. Latency compensation using Delay Groups is not needed for any these conditions (when phase coherency is not imperative): • When upsampled plug-ins are not used on the same source • When upsampled plug-ins are used on different sources System Latency Overall system throughput latency with Realtime Rack is 73 samples when no plug-ins are assigned (and also through non-upsampled plug-ins). Realtime Rack Manual Chapter 4: Realtime Rack Application 74

Delay Groups Options The Delay Groups Options (in the Main Column, below the View Menu) change which Delay Group buttons are displayed and changes the amount of delay compensation that is available. Delay Group Button Selectors These buttons determine which Delay Group buttons are displayed in the main screen area. Click these option buttons to display a different set of Delay Group buttons. The number of buttons that appear here, and their labels (1–8, 9–16, etc), depend on the vertical resolution (pixel count) of the computer’s display. The Delay Groups Options

Higher resolution displays can show more Delay Group buttons simultaneously, therefore fewer Delay Group buttons are shown in the Main Column in this case. With lower resolu- tion displays, less space is available for the Delay Group buttons, so more Main Column buttons are available to switch between them. Compensation Menu This drop menu determines the maximum compensation delay, in samples, that is avail- able for each channel. Click the menu and select any value to change the setting. Compensation Values The available Compensation values are listed in the table below. Delay Group Compensation Values Setting Name Maximum Available Delay Per Channel (samples) OFF (Default) 0 SHORT 100 MEDIUM 200 LONG 1000 UAD Resource Usage Use these guidelines when selecting values from the Compensation Menu: • Off – When set to OFF, the delay compensation engine is disabled and the Delay Group buttons are hidden. • DSP – Delay Groups use a small percentage of DSP resources. To maximize DSP resource availability for UAD plug-ins, only use Delay Groups when necessary. • Memory – Longer Compensation values use more Memory resources. To maximize Memory resource availability for UAD plug-ins, only the smallest value required. Although UAD Memory resources are typically not constrained, it is possible if many time-based plug-ins (reverbs and delays) are active. Realtime Rack Manual Chapter 4: Realtime Rack Application 75 Delay Compensation Exceeded If the maximum available delay compensation amount is exceeded on a channel when inserting an upsampled plug-in, a notification dialog appears. To maintain phase align- ment if this occurs, either increase the Compensation Menu value or reduce upsampled plug-ins usage on the channel. Delay Groups Elements Refer to the illustration on page 73 for descriptions in this section. Active Delay Group Display The Delay Group that the channel currently belongs to is always displayed here. If the channel is not contained within any Delay Group, “Off” is dis- played here and the channel is not delay compensated. A Delay Group number is displayed here by clicking one of the channel’s numbered Delay Group buttons below the display. Note: A channel cannot belong to more than one Delay Group. Delay Group Buttons There are 16 numbered Delay Group buttons and one OFF button for each channel. Each Delay Group button represents one of the 16 available Delay Groups. Note: All Delay Group buttons are hidden when the Com- pensation Menu value is set to OFF. To add a channel to any Delay Group, click the numbered Delay Group button in the Channel Column. The button is highlighted in blue and the number is reflected in the Active Delay Group display at the top of the channel column. Note that unless the display monitor has a very high vertical resolution (pixel count), all Delay Group buttons for an individual channel are not displayed concurrently. To view the Delay Group buttons that are not currently visible, use the Delay Group Option buttons in the Main Column. Samples Display The Samples display shows the sum of all extra samples (the total latency delay amount) incurred by all upsampled plug-ins inserted in the channel. If a channel is contained within a Delay Group, all channels within the same Delay Group will display the same value, confirming the Delay Group chan- nels are phase aligned. Note: The Samples Display only shows delay added by upsampled plug-ins. They do not reflect the overall system throughput delay of 73 samples that is inherent on all Realtime Rack channels. Realtime Rack Manual Chapter 4: Realtime Rack Application 76 Output Meter The Output Meter displays the MADI channel’s output level after plug-in pro- cessing but before the output fader (post plug-ins, pre-fader). The channel number and name are also displayed here. The channel name’s proximity to the Samples display facilitates confirmation that related channels are being delay compensated by the same amount. Configuring Delay Groups To setup one or more Delay Groups, follow these instructions: 1. Determine if phase alignment is required for two or more channels. Typically, only channels used for the same source need to be phase aligned. For background information, see “When To Use Delay Groups” on page 74. 2. Make note of which channels require phase alignment (for example, all the chan- nel numbers/names used for the drum kit microphones). 3. Enable the delay compensation engine by setting the Compensation Menu to any value except OFF (off is the default value). 4. Display the Delay Group buttons for the Delay Group to be used by clicking any View Option button in the Main Column. This step is necessary only if the Delay Groups displayed by default are already in use. 5. Add all noted channels to the same Delay Group by clicking the same numbered Delay Group button for each noted channel. The selected buttons are highlighted in blue, and all selected buttons must all be in the same row. Tip: To rapidly add multiple channels to the same Delay Group, click+hold any Delay Group button, then swipe horizontally across multiple channels. 6. Confirm all the noted channels are in the same Delay Group via the Active Delay Group display at the top of each channel’s column. The display must show the same Delay Group value for all the noted channels. 7. Confirm all the noted channels are being compensated equally via the Samples display at the bottom of each channel’s column. The display must show the same Samples number for all the noted channels (the Samples value is automatically calculated). If necessary, increase the Compensation Menu value. Delay Group configuration for the noted channels is complete. Repeat if necessary for another set of channels using a different Delay Group number. Realtime Rack Manual Chapter 4: Realtime Rack Application 77 Delay Groups Example The screenshot below shows an example of a properly configured Delay Group. The TOM and OH channels are assigned to the same Delay Group (Delay Group #1 in this exam- ple), and the Samples value is identical for both channels. Note that the Bass channel is not in the Delay Group. Typical Delay Group implementation. Channels in the Delay Group have the same SAMPLES value. Realtime Rack Manual Chapter 4: Realtime Rack Application 78 Upsampling Values Table The table below lists the additional latency values, in samples, produced by upsampled UAD plug-ins. UAD Plug-In Sample Rate (kHz) 44.1 48 88.2 96 AKG BX 20 Reverberator 983 974 2078 2060 Bermuda Triangle 88 80 Ibanez Tube Screamer TS808 88 80 Raw Distortion 44 40 API 550A API Vision Channel Strip Fairchild Tube Limiter Collection FATSO Jr./Sr. Manley Massive Passive Manley Variable Mu Moog Filter Neve 1073 (newer model w/preamp) Neve 33609 Neve 88RS (newer model w/preamp) Oxide Tape Recorder Pultec EQP-1A Pultec MEQ-5 Studer A800 Thermionic Culture Vulture UA 1176 Limiter Collection UA 610 Tube Preamp & EQ Collection 55 55 Fender ‘55 Tweed Deluxe 119 201 Precision Limiter 64 69 129 140 Precision Maximizer 67 67 API 560 Teletronix LA-2A Leveler Collection 56 56 Helios Type 69 Harrison 32C Neve 1073 Legacy, 1081, 31102 Precision EQ Pultiec EQP-1A Legacy Pultec-Pro Legacy Pultec HLF-3C SSL E Channel Strip Trident A-Range 31 13 Little Labs IBP 32 14 Lexicon 224* (see note on next page) 84 79 90 97 EMT 250* (see note on next page) 75 11 85 24 MXR Flanger/Doubler 31 0 Ocean Way Studios 192 688 Realtime Rack Manual Chapter 4: Realtime Rack Application 79 *Lexicon 224 & EMT 250 Note The EMT 250 and Lexicon 224 anti-aliasing filters for their A/D and D/A conversion are not linear-phase filters; therefore the emulations do not have a latency that is the same at all frequencies. Thus, we cannot report to the delay compensation engines a delay that is correct for all frequencies. The reported values are good at low frequencies, but become off at high frequencies. For example, when the EMT 250 plug-in is in Delay program mode and set with zero delay time and pre- delay values, the plug-in output will not be completely cancelled when mixing with flipped phase against an unprocessed track; high frequencies will leak through. However, the latency through the dry side of the wet/dry mix, and the latency when the plug-in is bypassed via the EMT 250 Power switch, do not have this issue and will be fully compensated by the Reatime Rack software. Realtime Rack Manual Chapter 4: Realtime Rack Application 80


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