Digi XPress Specifications

DigiRack ™ Plug-ins Version 7.3

DigiRack Plug-ins Guide4

DigiRack Plug-ins Guide94

Chapter 7: DigiRack AudioSuite Plug-ins 95chapter 7DigiRack AudioSuite Plug-insEQ IIIThe EQ III Plug-in provides a high-quality 7 Band, 2–4 Band, or 1

DigiRack Plug-ins Guide96Dynamics IIIDynamics III provides three modules: • Compressor/Limiter• Expander/Gate• De-EsserThe features of these plug-ins

Chapter 7: DigiRack AudioSuite Plug-ins 97ChorusChorus adds a shimmering quality to audio ma-terial by combining a time-delayed, pitch-shifted copy of

DigiRack Plug-ins Guide98FlangerThe Flanger animates and adds a swirling, mov-ing quality to audio material by combing a time-delayed copy of an audio

Chapter 7: DigiRack AudioSuite Plug-ins 99Multi-Tap DelayThe Multi-Tap Delay adds up to four indepen-dently-controllable delays or taps to the origina

DigiRack Plug-ins Guide100To accommodate for this, place the region in a track, and select the desired audio plus an amount of blank space at the end

Chapter 7: DigiRack AudioSuite Plug-ins 101InvertThe Invert plug-in reverses the polarity of se-lected audio. Positive sample amplitude values are mad

DigiRack Plug-ins Guide102Selecting Audio Delay ProcessingBecause AudioSuite Delay adds additional mate-rial (a delay tap) to the end of selected audi

Chapter 7: DigiRack AudioSuite Plug-ins 103GainThe Gain plug-in boosts or lowers a selected re-gion’s amplitude by a specific amount. Use it to smooth

Chapter 2: Installation and Configuration 5chapter 2Installation and ConfigurationInstalling Plug-insThe Digidesign DigiRack plug-ins are installed when

DigiRack Plug-ins Guide104To create an audio region using the Signal Generator plug-in:1 Make a selection in the Tracks window.2 Choose AudioSuite &

Chapter 7: DigiRack AudioSuite Plug-ins 105Use the Ratio, Crossfade, Min Pitch, and Accu-racy controls to fine-tune the Time Compres-sion/Expansion pr

DigiRack Plug-ins Guide106Pitch ShiftThe Pitch Shift plug-in adjusts the pitch of any source audio file with or without a change in its duration. This

Chapter 7: DigiRack AudioSuite Plug-ins 107Accuracy Sets the processing resources allocated to audio quality (Sound) or timing (Rhythm). Set the slide

DigiRack Plug-ins Guide108Audio Use the controls in the Audio section to select the most appropriate time compression and expansion algorithm (mode) f

Chapter 7: DigiRack AudioSuite Plug-ins 109The range pop-up menu is unavailable in Rhyth-mic mode and Varispeed mode.GainThe Audio Gain control attenu

DigiRack Plug-ins Guide110number you typed. This is especially useful for post-production pull up and pull down factors (see “Post Production Pull Up

Chapter 7: DigiRack AudioSuite Plug-ins 111When Rhythmic is selected as the Audio Type, the Transient section provides controls for set-ting the trans

DigiRack Plug-ins Guide112PitchThe Pitch section provides controls for pitch shifting the selected audio. Use the Pitch control to transpose the pitch

Chapter 7: DigiRack AudioSuite Plug-ins 113AudioSuite Input ModesTime Shift supports the Pro Tools AudioSuite Input Mode selector for use on mono or m

DigiRack Plug-ins Guide6“Organize Plug-in Menus By” OptionFlat List Organizes plug-ins in a single list, in al-phabetical order.Category Organizes plu

DigiRack Plug-ins Guide114Processing AudioTime Shift lets you change the time and pitch of selected audio independently or concurrently. To change the

Chapter 8: Plug-in Settings 115chapter 8Plug-in SettingsUsing the LibrarianThe Settings Librarian makes it easy to create your own library of plug-in

DigiRack Plug-ins Guide116Paste Settings Pastes settings copied with the Copy Settings command.Import Settings Imports a settings file from a lo-catio

Chapter 8: Plug-in Settings 117Managing SettingsUse the Settings pop-up menu to manage set-tings.To save a setting: 1 Choose Save Settings from the S

DigiRack Plug-ins Guide118To create a settings subfolder:1 From the Settings pop-up menu, choose Save Settings.2 Click the New Folder button and typ

Chapter 8: Plug-in Settings 119To change plug-in settings using the Plug-in Settings dialog:1 Click the Settings Select button.2 Do one of the follo

DigiRack Plug-ins Guide1202 Select Plug-in Settings File from the Type pop-up menu.3 To further narrow your search, type all or part of the name of

Chapter 9: Using ReWire with Pro Tools 121chapter 9Using ReWire with Pro ToolsPro Tools supports ReWire version 2.0 technol-ogy developed by Propeller

DigiRack Plug-ins Guide122ReWire RequirementsTo use the ReWire plug-in, you will need: • A Digidesign-qualified Pro Tools system• ReWire-compatible cli

Chapter 9: Using ReWire with Pro Tools 1233 In the Mix window, click the Insert selector on the track and assign the ReWire RTAS client plug-in to th

Chapter 2: Installation and Configuration 7When a plug-in becomes a favorite, it is still shown in plug-in category and/or manufacturer sub-menus (if e

DigiRack Plug-ins Guide124Looping PlaybackBecause Pro Tools does not offer separate loop markers as found in other third party applica-tions such as R

Appendix A: DSP Requirements for TDM Plug-ins 125appendix aDSP Requirements for TDM Plug-insThe number of TDM plug-ins you can use at one time depends

DigiRack Plug-ins Guide126Mono and Stereo DigiRack Plug-ins on HD CardsThe following table compares the maximum number of instances of each DigiRack T

Appendix A: DSP Requirements for TDM Plug-ins 127Multi-Mono and Multi-Channel DigiRack Plug-insPlug-ins used in multi-mono format on greater-than-ster

DigiRack Plug-ins Guide128“Partial” indicates that a single instance of the multi-mono plug-in is sharing more than 1 DSP chip.* Instance counts are p

Appendix B: DSP Delays Incurred by TDM Plug-ins 129appendix bDSP Delays Incurred by TDM Plug-insVirtually all TDM plug-ins incur some amount of signal

DigiRack Plug-ins Guide130Mod Delay I/II (medium)4Mod Delay I/II (long)4Mod Delay II (extra long)4Dither4POW-r Dither4Time Adjuster4Signal Generator4S

Index 131Numerics7 Band, 2–4 Band, or 1 Band (EQ III) 43AAccuracy control 105, 107adjusting plug-in parameterscomputer keyboard 41keyboard shortcuts 4

DigiRack Plug-ins Guide132clipping 18closing multiple plug-in windows 20Coarse & Fine controls 106Compare button 18compensating for DSP delays 129

Index 133Harmonic 6HD-series cardsDSP delays 129Hi Frequency Cut control 63High-Pass Filter control 98host processing 2IImport Settings command 116imp

DigiRack Plug-ins Guide8

DigiRack Plug-ins Guide134mono plug-ins 15mouseadjusting plug-in parameters 41moving inserts 17multi-channel plug-ins 16multi-mono plug-ins 15MultiShe

Index 135reference mark in SignalTools 87Reference Pitch control 107Region by Region mode 34Region List command 33Relative Pitch Entry 88Reset Leq(A)

DigiRack Plug-ins Guide136Time Correction control 106Time Shift 107Audio Gain control 109Audio Mode pop-up menu 108Audio Range pop-up menu 108Audio se

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Chapter 3: Working with Real-Time Plug-ins 9chapter 3Working with Real-Time Plug-insReal-time plug-ins process audio nondestruc-tively in real time. T

DigiRack Plug-ins Guide10DSP Sharing Between TDM Plug-insWith Digidesign’s MultiShell™ II technology, different types of TDM plug-ins can share the sa

Chapter 3: Working with Real-Time Plug-ins 11RTAS ProcessorsThe RTAS Processors setting determines the number of processors in your computer allo-cate

DigiRack Plug-ins Guide12RTAS Error SuppressionYou should only enable RTAS error suppression if you are experiencing frequent RTAS errors that are int

Chapter 3: Working with Real-Time Plug-ins 13The Minimize Additional I/O Latency option is only available if the Ignore Errors During Play-back/Record

Copyright © 2007 Digidesign, a division of Avid Technology, Inc. All rights reserved. This guide may not be duplicated in whole or in part without th

DigiRack Plug-ins Guide14TimeAdjuster You can compensate for TDM or RTAS plug-in-induced delays by using the TimeAdjuster plug-in. This plug-in lets y

Chapter 3: Working with Real-Time Plug-ins 15Plug-ins as InsertsReal-time plug-ins are available as in-line inserts on audio tracks, Auxiliary Inputs,

DigiRack Plug-ins Guide16dem. You can unlink controls for independent adjustment using the Master Link button. See “Linking and Unlinking Controls on

Chapter 3: Working with Real-Time Plug-ins 17Configuring Plug-ins During PlaybackYou can change, add, or remove real-time plug-ins and hardware inserts

DigiRack Plug-ins Guide18The Plug-in WindowThe Plug-in window appears whenever you click a plug-in Insert button on a track. This floating window lets

Chapter 3: Working with Real-Time Plug-ins 19Target Button When multiple Plug-in windows are open, clicking this button selects that plug-in as the ta

DigiRack Plug-ins Guide20Tempo Sync Enables compatible plug-ins to au-tomatically synchronize to the session tempo, for rhythmic delay, echo, and simi

Chapter 3: Working with Real-Time Plug-ins 21To choose a different insert: Click the Insert Position selector and choose an insert from the pop-up me

DigiRack Plug-ins Guide22Clip IndicatorsMany plug-ins provide meters that let you see when the processed signal is clipping.In addition to clipping di

Chapter 3: Working with Real-Time Plug-ins 23Using a Key Input for External Side-Chain ProcessingTo use a key input for external side-chain processing

Contents iii contents Chapter 1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

DigiRack Plug-ins Guide24To utilize Tempo Sync:1 Insert a plug-in that supports Tempo Sync, such as the DigiRack Mod Delay II. 2 Click the Tempo Syn

Chapter 3: Working with Real-Time Plug-ins 25Enabling Plug-in Parameters for Automation To enable plug-in controls for automation: 1 Open the Plug-in

DigiRack Plug-ins Guide26To automate a plug-in:1 In the Automation Enable window, make sure plug-in automation is enabled.2 Select an Automation mod

Chapter 3: Working with Real-Time Plug-ins 27Instrument Plug-insInstrument plug-ins are unique from other plug-ins in that they generate audio by synt

DigiRack Plug-ins Guide28Voice Usage and Total Latency for RTAS Plug-insWith Pro Tools HD, the initial insert of an RTAS plug-in may cause additional

Chapter 3: Working with Real-Time Plug-ins 29Limitations for Inserting or Removing Plug-ins During PlaybackWhen playing back tracks containing RTAS pl

DigiRack Plug-ins Guide30

Chapter 4: Working with AudioSuite Plug-ins 31chapter 4Working with AudioSuite Plug-insAudioSuite plug-ins differ from TDM and RTAS plug-ins in that t

DigiRack Plug-ins Guide32Reverse Rewrites selected audio in reverse.DC Offset Removal Recognizes and removes DC offset from audio files.Signal Generato

Chapter 4: Working with AudioSuite Plug-ins 33Region List Applies AudioSuite processing only to regions currently selected in the Audio Re-gions List.

DigiRack Plug-ins Guide iv Chapter 4. Working with AudioSuite Plug-ins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 The Au

DigiRack Plug-ins Guide34Create Continuous File Processes the selected re-gions nondestructively and creates a new audio file consisting of the select

Chapter 4: Working with AudioSuite Plug-ins 35PreviewThe Preview button lets you audition the effect of a plug-in before you process the audio. By ad-

DigiRack Plug-ins Guide36Undoing AudioSuite ProcessingIf you have processed an audio selection nonde-structively, the Undo and Redo commands let you u

Chapter 4: Working with AudioSuite Plug-ins 37Stereo Mode Processes each contiguous pair of channels within a selected region as a stereo track. When

DigiRack Plug-ins Guide38To configure the AudioSuite Buffer Size:1 Choose Setup > Preferences.2 Click Processing.3 Select an AudioSuite Buffer Si

Chapter 4: Working with AudioSuite Plug-ins 39Using AudioSuite Plug-insAudioSuite plug-ins can be applied to whole re-gions, partial regions, or selec

DigiRack Plug-ins Guide403 Adjust the plug-in controls for the effect you want. These settings determine how the file is processed and what effect the

Chapter 5: Adjusting Plug-in Controls 41chapter 5Adjusting Plug-in ControlsAdjusting Plug-in ControlsYou can adjust plug-in controls by dragging the c

DigiRack Plug-ins Guide42To change control values with a computer keyboard:1 Click the text box corresponding to the con-trol that you want to adjust

Chapter 6: DigiRack Real-Time TDM and RTAS Plug-ins 43chapter 6DigiRack Real-Time TDM and RTAS Plug-insEQ IIIThe EQ III Plug-in provides a high-qualit

Contents v Chapter 7. DigiRack AudioSuite Plug-ins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95 EQ III . . . . .

DigiRack Plug-ins Guide447 Band EQ and 2–4 Band EQ The 7 Band EQ is available in TDM, RTAS, and AudioSuite formats. The 2–4 Band EQ is avail-able in T

Chapter 6: DigiRack Real-Time TDM and RTAS Plug-ins 45Dragging in the Frequency Graph DisplayYou can adjust the following by dragging the control poin

DigiRack Plug-ins Guide46Using a Control SurfaceEQ III can be controlled from any supported control surface, including Digidesign’s D-Control, D-Comma

Chapter 6: DigiRack Real-Time TDM and RTAS Plug-ins 47EQ Band ControlsThe individual EQ bands on each EQ III config-uration have some combination of t

DigiRack Plug-ins Guide48Frequency Graph Display(7 Band EQ and 2–4 Band EQ Only)The Frequency Graph display in the 7 Band EQ and the 2–4 Band EQ shows

Chapter 6: DigiRack Real-Time TDM and RTAS Plug-ins 497 Band EQThe 7 Band EQ has the following available bands: High-Pass/Low Notch, Low-Pass/High Not

DigiRack Plug-ins Guide50High-Pass/Low NotchThe High-Pass/Notch band is switchable be-tween High-Pass Filter and Notch EQ functions. By default, this

Chapter 6: DigiRack Real-Time TDM and RTAS Plug-ins 51Low Shelf/Low PeakThe Low Shelf/Peak band is switchable between Low Shelf EQ and Low Peak EQ fun

DigiRack Plug-ins Guide52Low-Mid PeakThe Low-Mid Peak band boosts or cuts frequen-cies centered around the Frequency setting. The width of the band is

Chapter 6: DigiRack Real-Time TDM and RTAS Plug-ins 53High-Mid PeakThe High-Mid Peak band boosts or cuts frequen-cies centered around the Frequency se

DigiRack Plug-ins Guide vi Appendix A. DSP Requirements for TDM Plug-ins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 125 DSP Requirem

DigiRack Plug-ins Guide542–4 Band EQThe 2–4 Band EQ uses the same plug-in window as the 7 Band EQ, but on the 2–4 Band EQ, but a limited number of the

Chapter 6: DigiRack Real-Time TDM and RTAS Plug-ins 551 Band EQThe 1 Band EQ may be set to any one of six EQ types: High-Pass, Notch, High-Shelf, Low-

DigiRack Plug-ins Guide56High-Shelf EQThe High-Shelf EQ boosts or cuts frequencies at and above the Frequency setting. The amount of boost or cut is d

Chapter 6: DigiRack Real-Time TDM and RTAS Plug-ins 57Automating EQ III ControlsAll EQ III plug-in controls can be automated in Pro Tools. To automate

DigiRack Plug-ins Guide58ClickThe Click plug-in creates an audio click during session playback that you can use as a tempo ref-erence when performing

Chapter 6: DigiRack Real-Time TDM and RTAS Plug-ins 59Automatically Create Click Track In New SessionsTo have Pro Tools automatically create a click t

DigiRack Plug-ins Guide60Noise ShapingThe Dither plug-in features a technique known as noise shaping to further improve audio per-formance and reduce

Chapter 6: DigiRack Real-Time TDM and RTAS Plug-ins 61POW-r Dither(Pro Tools HD and Pro Tools LE Only)The POW-r Dither plug-in is an advanced type of

DigiRack Plug-ins Guide62D-VerbD-Verb is a studio-quality reverb provided in TDM, RTAS, and AudioSuite formats. D-Verb ControlsOutput MeterThe Output

Chapter 6: DigiRack Real-Time TDM and RTAS Plug-ins 63Church A dense, diffuse space simulating a church or cathedral with a long decay time, high diff

Chapter 1: Introduction 1 chapter 1 Introduction Plug-ins are special-purpose software compo-nents that provide additional signal processing function

DigiRack Plug-ins Guide64tively low, high frequencies decay more quickly than low frequencies, simulating the effect of air absorption in a hall. The

Chapter 6: DigiRack Real-Time TDM and RTAS Plug-ins 65Editing Parameters Using a Computer KeyboardSome controls have text boxes that display the curre

DigiRack Plug-ins Guide66Input and Output MetersThe Input and Output meters show peak signal levels before and after dynamics processing:Green Indicat

Chapter 6: DigiRack Real-Time TDM and RTAS Plug-ins 67LFE Enable(Pro Tools HD Systems Only)The LFE Enable button (located in the Options section) is o

DigiRack Plug-ins Guide68To indicate overshoots (when an incoming sig-nal peak is too fast for the current compression setting) the cursor temporarily

Chapter 6: DigiRack Real-Time TDM and RTAS Plug-ins 69About LimitingLimiting prevents signal peaks from ever ex-ceeding a chosen threshold, and is gen

DigiRack Plug-ins Guide70An orange arrow on the Input meter indicates the current threshold, and can also be dragged up or down to adjust the threshol

Chapter 6: DigiRack Real-Time TDM and RTAS Plug-ins 71KneeThe Knee control sets the rate at which the com-pressor reaches full compression once the th

DigiRack Plug-ins Guide72Expander/Gate IIIThe Expander/Gate plug-in applies expansion or gating to audio material, depending on the ratio setting. Abo

Chapter 6: DigiRack Real-Time TDM and RTAS Plug-ins 73ThresholdThe Threshold control sets the level below which an input signal must fall to trigger e

DigiRack Plug-ins Guide 2 RTAS Plug-ins RTAS (Real-Time AudioSuite) plug-ins provide features and functionality similar to their TDM counterparts, b

DigiRack Plug-ins Guide74ReleaseThe Release control sets how long it takes for the gate to close after the input signal falls below the threshold leve

Chapter 6: DigiRack Real-Time TDM and RTAS Plug-ins 75To improve de-essing of material that has both very loud and very soft passages, automate the Ra

DigiRack Plug-ins Guide76HF OnlyWhen the HF Only button is enabled, gain re-duction is applied only to the active frequency band set by the Frequency

Chapter 6: DigiRack Real-Time TDM and RTAS Plug-ins 77With side-chain filters, you can make dynamics processing more or less sensitive to certain fre-

DigiRack Plug-ins Guide78Band-Pass Filter Makes triggering of dynamics processing more sensitive to frequencies within the narrow band centered around

Chapter 6: DigiRack Real-Time TDM and RTAS Plug-ins 79Using a Filtered Input Signal for Side-Chain ProcessingTo use the filtered input signal to trigge

DigiRack Plug-ins Guide80Mod Delay II ControlsInput Controls the input volume of the delay to prevent clipping.Mix Controls the balance between the de

Chapter 6: DigiRack Real-Time TDM and RTAS Plug-ins 81Duration Specifies a desired delay from a musical perspective. Enter the desired delay by select

DigiRack Plug-ins Guide82Signal Generator ControlsFrequency Sets the frequency of the signal in hertz. Values range from a low of 20 Hz to a high of 2

Chapter 6: DigiRack Real-Time TDM and RTAS Plug-ins 83Surround DisplaySurroundScope detects the multi-channel for-mat of the track and displays each c

Chapter 1: Introduction 3 Conventions Used in This Guide All Digidesign guides use the following conven-tions to indicate menu choices and key com-ma

DigiRack Plug-ins Guide84Lissajous Meter DisplayThe PhaseScope Lissajous Meter displays the re-lationship between the amplitude and phase of a stereo

Chapter 6: DigiRack Real-Time TDM and RTAS Plug-ins 85SurroundScope With SurroundScope you can se-lect the two channels to compare by clicking the cha

DigiRack Plug-ins Guide86Auto Reset When enabled, causes the start time of the Leq(A) measurement window to be auto-matically reset whenever playback

Chapter 6: DigiRack Real-Time TDM and RTAS Plug-ins 87VENUE Provides Peak metering behavior with a meter scale calibrated specifically for Digidesign

DigiRack Plug-ins Guide88fades to minimize undesirable artifacts. The re-sult is a processed signal that is transposed in pitch, but still retains the

Chapter 6: DigiRack Real-Time TDM and RTAS Plug-ins 89Ratio Indicates the ratio of transposition be-tween the original pitch and the selected trans-po

DigiRack Plug-ins Guide90TimeAdjusterThe TimeAdjuster plug-in provides three func-tions: • Compensation for delays due to TDM- or RTAS-based routing•

Chapter 6: DigiRack Real-Time TDM and RTAS Plug-ins 91Using TimeAdjuster for Manual Delay CompensationDSP and host-based processing in all digital sys

DigiRack Plug-ins Guide92To view time delay values and use TimeAdjuster to compensate for the delay:1 Control-click (Windows) or Command-click (Mac)

Chapter 6: DigiRack Real-Time TDM and RTAS Plug-ins 93Trim ControlsPhase Invert Inverts the phase (polarity) of the input signal to change the frequen