Pinnacle Systems Pro Tools - 5.1 Reference Guide

Pro Tools
Reference Guide
Version 5.1 for Macintosh and Windows
Digidesign Inc.
3401-A Hillview Avenue
Palo Alto, CA 94304 USA
tel: 650·842·7900
fax: 650·842·7999
650·842·6699 650·856·4275
Product Information (USA)
650·842·6602 800·333·2137
Fax on Demand (USA)
1·888·USE·DIGI (873·3444)
International Offices
Visit the Digidesign Web site
for contact information.
World Wide Web
www.digidesign.com
Digidesign FTP Site
ftp.digidesign.com
Copyright
This User’s Guide is copyrighted ©2001 by Digidesign, a division of Avid Technology, Inc. (hereafter “Digidesign”), with all rights reserved. Under copyright laws, this manual may not be duplicated in whole or in part without the written consent of Digidesign.
DIGIDESIGN, AVID and PRO TOOLS are trademarks or registered trademarks of Digidesign and/or Avid Technology, Inc. All other trademarks are the property of their respective owners.
All features and specifications subject to change without notice.
PN 932708437-00 REV A 01/01

Contents

Part I Introduction
Chapter 1. Welcome to Pro Tools
The Pro Tools Guides
Compatibility Information
Digidesign Registration
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Chapter 2. Pro Tools System Configurations
TDM-equipped systems
TDM System Playback, Recording and Voice Limits
Audio Interfaces for TDM Systems
Pro Tools LE Systems
Pro Tools LE System Capabilities
Chapter 3. Pro Tools Concepts
Hard Disk Recording
The Digidesign Audio Engine
Pro Tools Sessions and Concepts
System Resources
MIDI Concepts
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Chapter 4. Pro Tools Windows
The Mix Window
The Edit Window
The Transport Window
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Chapter 5. Keyboard Shortcuts
Global Key Commands
Keyboard Focus
Numeric Keypad Modes
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Part II Sessions & Tracks
Chapter 6. Sessions
Starting Up Your System
Configuring Your System
Changing the Pro Tools Playback Engine
Changing DAE Playback Buffer Size
Creating a New Session
Opening a Session
Saving a Session
Creating Custom Session Templates
Closing a Session
Quitting Pro Tools
Sharing Sessions between Pro Tools TDM Systems and Pro Tools LE Systems
Chapter 7. I/O Setup
Understanding Paths and I/O Setup
The I/O Setup Dialog
Creating and Editing Paths
I/O Settings Files
Default Output, Metering, Audition, and Path Order
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Chapter 8. Tracks
Track Types
Creating Tracks
Hiding Tracks
Assigning Inputs and Outputs to Audio Tracks
Assigning Voices and Track Priority
Setting MIDI Channels
Soloing and Muting Tracks
Making Tracks Inactive
Adjusting Track Width
Color Coding Tracks
Grouping Tracks
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Chapter 9. Importing and Exporting Audio and MIDI
Importing Audio
Importing Tracks from Other Sessions
Loading Audio Files with Drag & Drop
Exporting Audio
Transferring Audio from CD
Conversion Quality
Exporting Session Text
Importing MIDI Files
Exporting MIDI Files
Chapter 10. File Management and Compatibility
Locating Audio Files
WAV File Compatibility
Avid File Compatibility
Creating Mac and PC Compatible Sessions
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Part III Recording
Chapter 11. Record Setup
Input Connections and Audio Levels
Record Enabling Tracks
Monitoring Modes
Monitoring Latency
Low Latency Monitoring
Track Names
Disk Allocation
Allocating Hard Drive Space for Recording
Record Modes
Recording with the Click
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Chapter 12. Basic Audio Recording
Recording a Mono Audio Track
Recording a Stereo Audio Track
Recording Multiple Audio Tracks
Record Pause Mode
Recording Additional Takes
Punch Recording Audio
Loop Recording Audio
Auditioning Record Takes
Setting Punch/Loop Points
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Chapter 13. MIDI Recording
Recording from MIDI Devices
Enabling Input Devices
MIDI Thru
MIDI Input Filter
Input Quantize
Wait for Note
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MIDI Merge/Replace
Recording a Single MIDI Track
Recording Multiple MIDI Tracks
Punch Recording MIDI
Loop Recording MIDI
Recording System Exclusive Data
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Chapter 14. Advanced Recording
Using QuickPunch
Recording from a Digital Source
Half-Speed Recording and Playback
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Part IV Editing
Chapter 15. Editing Basics
Pro Tools Editing
Track Material
Displaying Region Names and Times
Audio Regions and Waveforms
MIDI Regions and MIDI Data
Playlists
Multiple Undo
The Audio and MIDI Regions Lists
Edit Modes
Zooming
The Universe Window
Rulers
Time Scale
Tick-Based Timing
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Chapter 16. Playing and Selecting Track Material
Playing Tracks
Scrolling Options
The Scrubber
Separate Edit and Timeline Selections
Selecting Track Material
Playing Selections
Timeline Selections
Playing Edit and Timeline Selections with the Playhead
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Chapter 17. Working with Regions and Selections
Creating New Regions
Healing a Separation
Placing Regions in Tracks
The Trimmer Tool
Sliding Regions
Nudging
Shift Command
Quantizing Regions
Locking Regions
Muting/Unmuting Regions
Edit Commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 225
Duplicate Command. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 229
Repeat Command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 230
Merge Paste Command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 231
Editing Stereo and Multi-Channel Tracks. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 231
Processing Audio with AudioSuite Plug-Ins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 232
Waveform Repair with the Pencil Tool . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 232
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 221
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 209
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 212
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 212
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 215
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 217
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 224
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 224
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 225
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 225
. . . . . . . . . . . . . . . . . . . . . . . . . . . 209
Chapter 18. Advanced Editing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 235
Replacing Regions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 235
Repeat Paste To Fill Selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 237
Compress/Expand Edit To Play . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 237
The Time Trimmer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 238
Pro Tools Reference Guide
viii
Chapter 19. Fades and Crossfades . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 241
Using Crossfades. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 241
Creating a Crossfade . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 248
Creating Fades at the Beginnings and Ends of Regions. . . . . . . . . . . . . . . . . . . . . . . . . . . . 249
Using AutoFades . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 250
Creating Fades and Crossfades in Batches. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 251
Chapter 20. Managing Regions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 253
Stripping Silence from Regions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 253
Inserting Silence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 255
Consolidate Selection Command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 256
Managing Regions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 256
Compacting an Audio File . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 259
Chapter 21. Conductor Tracks and Memory Locations . . . . . . . . . . . . . . . . . . . . . . . . 261
Tempo Events . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 261
Default Tempo . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 264
Identify Beat Command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 264
Meter Events . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 267
Renumbering Bars . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 269
Memory Locations and Markers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 270
Memory Locations Window . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 276
Chapter 22. Beat Detective . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 279
Beat Detective Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 279
About Beat Detective. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 279
The Beat Detective Window . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 281
Defining the Selection for Beat Detective. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 282
Detecting Transients with Beat Detective. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 283
Generating Bar|Beat Markers with Beat Detective . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 286
Separating and Conforming Regions with Beat Detective . . . . . . . . . . . . . . . . . . . . . . . . . . 287
Beat Detective and Collection Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 290
Contents ix
Part V MIDI Editing
Chapter 23. MIDI Editing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 295
Inserting MIDI Notes with the Pencil Tool . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 295
Manually Editing MIDI Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 297
Continuous Controller Events . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 301
Program Changes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 302
System Exclusive Events . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 305
Note and Controller Chasing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 306
Offsetting MIDI Tracks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 307
Stuck Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 308
Chapter 24. MIDI Operations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 309
MIDI Operations Window. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 309
Select Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 310
Quantize . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 311
Change Velocity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 316
Change Duration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 318
Transpose . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 319
Chapter 25. MIDI Event List. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 321
The MIDI Event List. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 321
Inserting Events in the MIDI Event List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 324
Editing in the MIDI Event List. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 326
MIDI Event List Options. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 328
Part VI Mixing
Chapter 26. Basic Mixing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 331
Audio Signal Flow. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 331
Viewing I/O, Sends, and Inserts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 335
Track Input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 336
Track Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 336
Pro Tools Reference Guidex
Sends . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 338
Output Windows for Tracks and Sends . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 342
Submixing for Signal Routing and Effects Processing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 347
Mixing Concepts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 350
Using a Control Surface with Pro Tools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 352
Dither . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 352
Chapter 27. Plug-Ins and Inserts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 355
Inserting Plug-Ins on Tracks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 358
The Plug-In Window. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 359
Hardware I/O Inserts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 364
Connecting and Integrating External Devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 365
Chapter 28. Automation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 369
Automation Quick Start . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 369
Automation Playlists . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 370
Automation Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 371
Automation Preferences . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 374
Viewing Automation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 377
Writing Automation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 378
Enabling and Suspending Automation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 381
Deleting Automation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 382
Thinning Automation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 383
Drawing Automation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 384
Editing Automation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 385
Writing Automation to the Start, End or All of a Selection . . . . . . . . . . . . . . . . . . . . . . . . . . 391
Trimming Automation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 393
Creating Snapshot Automation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 394
Chapter 29. Mixdown . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 397
Recording to Tracks. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 399
Bounce to Disk . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 400
Bounce Options. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 401
Recording a Submix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 408
Final Mixdown. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 409
Mastering. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 410
Contents xi
Part VII Surround
Chapter 30. Surround Concepts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 415
Mixing Formats and Surround Formats . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 415
Pro Tools Mixing Formats . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 416
Speaker Layouts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 416
Surround Monitoring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 418
Formats and Terminology . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 419
Surround Mixing Concepts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 422
Chapter 31. Pro Tools Setup for Surround . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 425
Pro Tools Audio Connections for 5.1 Mixing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 425
Configuring Pro Tools for Multi-Channel Sessions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 426
Default Path Order, Metering, Output, and Audition Path . . . . . . . . . . . . . . . . . . . . . . . . . . 430
5.1 Track Layouts, Routing, and Metering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 430
Chapter 32. Multi-Channel Tracks and Signal Routing . . . . . . . . . . . . . . . . . . . . . . . . 431
Multi-Channel QuickStart. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 431
Multi-Channel Audio Tracks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 432
Multi-Channel Signal Routing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 434
Paths in Surround Mixes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 437
Example Paths and Signal Routing for a Surround Mix . . . . . . . . . . . . . . . . . . . . . . . . . . . 439
Chapter 33. Surround Panning and Mixing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 443
Introduction to Pro Tools Surround Panning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 443
Output Windows. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 444
Standard Controls. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 445
Surround Panner Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 446
Panning Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 448
LFE Faders in Multi-Channel Panners . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 450
Divergence and Center Percentage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 451
SurroundScope Metering Plug-In . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 453
Pro Tools Reference Guidexii
Part VIII Synchronization
Chapter 34. Synchronization Concepts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 457
Your Sync Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 457
Aspects of Sync . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 457
Syncing Pro Tools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 457
SMPTE Frame Formats . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 460
Working with Film-Originated Material. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 461
Chapter 35. Time Code Synchronization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 467
Pro Tools Sync Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 467
The Session Setup Window . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 468
Preparing to Work with SMPTE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 471
Configuring Pro Tools for SMPTE. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 471
Putting Pro Tools Online. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 474
Generating Time Code . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 474
Syncing a Sequencer to Pro Tools on the Macintosh . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 476
Syncing a Sequencer to Pro Tools in Windows . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 478
Using MIDI Machine Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 479
Remote Track Arming . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 481
Syncing Pro Tools to an OMS-Compatible Sequencer using MMC . . . . . . . . . . . . . . . . . . . . . 483
MIDI Beat Clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 485
Spotting Regions to SMPTE Frame Locations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 485
Time Stamping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 488
Identifying a Sync Point . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 489
Troubleshooting Sync. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 490
Chapter 36. Working with QuickTime Movies. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 493
About QuickTime. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 493
Movie Playback Quality Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 495
Importing a QuickTime Movie . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 496
Setting the Movie Start Time: Movie Offset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 498
Spotting Audio to a QuickTime Movie . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 499
Importing QuickTime Audio . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 500
Bouncing to a new Movie . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 502
Contents xiii
Part IX Pro Tools Menus
Chapter 37. File Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 505
Chapter 38. Edit Menu. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 511
Chapter 39. AudioSuite Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 517
Chapter 40. MIDI Menu. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 519
Chapter 41. Movie Menu. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 525
Chapter 42. Operations Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 529
Chapter 43. Setups Menu. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 533
Chapter 44. Display Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 547
Chapter 45. Windows Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 551
Appendix A. DSP-Induced Delays in Mixing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 557
Appendix B. TDM Mixing and DSP Usage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 561
Appendix C. Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 569
Glossary. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 573
Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 581
Pro Tools Reference Guidexiv
Part I: Introduction
1
2
Chapter 1: Welcome to Pro Tools
Welcome to Pro Tools®. Pro Tools integrates powerful multitrack digital audio and MIDI se­quencing features, giving you everything you need to record, arrange, edit, mix, and master professional-quality music.
The Pro Tools Guides
Your Pro Tools System includes the following guides:
Pro Tools Installation Guides Instructions for in­stalling Pro Tools software and hardware, and connecting your studio.
Pro Tools Reference Guide Instructions for cre­ating sessions, recording, editing, and mixing with Pro Tools.
DigiRack™ Plug-Ins Guide Instructions for using the DigiRack Plug-Ins for both real-time and file­based audio processing in Pro Tools.
Pro Tools MIDI Control Surfaces Guide Instruc­tions for operating Pro Tools with various MIDI control surfaces.
Keyboard Shortcut Cards (TDM Systems only)
Conventions Used in These Guides
The Pro Tools guides use the following conven­tions to indicate menu choices and key com­mands:
:
Convention Action
File > Save Session Choose Save Session
from the File menu
Control+N Hold down the Control
key and press the N key
Option-click Hold down the Option key
and click the mouse but­ton
Right-click (Windows) Click with the right
mouse button
The following symbols are used to highlight im­portant information:
User Tips are helpful hints for getting the most from your Pro Tools system.
Important Notices include information that could affect your Pro Tools session data or the performance of your Pro Tools system.
Separate cards for Macintosh and Windows that list the many keyboard shortcuts not shown in the Pro Tools menus.
Online PDF versions of the Keyboard Shortcut cards are included for Pro Tools LE systems.
Shortcuts show you useful keyboard or mouse shortcuts.
Cross References point to related sections in the Pro Tools Guides.
Chapter 1: Welcome to Pro Tools 3
Choose and Select
The words “choose” and “select” are often inter­changeable in conversational english. In this guide, however, there is a distinction between the two terms.
Select When the guide instructs you to select something, it stays selected. This is the case with dialog box options and menu items that enable or disable an option.
Choose When the guide instructs you to choose something, a one-time action is performed. This is the case with most menu commands; they perform their chosen action only once.

Compatibility Information

Digidesign can only assure compatibility and provide support for hardware and software it has tested and approved. For a list of Digidesign­qualified computers, operating systems, and third-party devices, refer to the latest compati­bility information on the Digidesign Web site:
www.digidesign.com/compato/

Digidesign Registration

Make sure to complete and return the registra­tion card included with Pro Tools. Registered us­ers are entitled to one year of free technical sup­port, and will receive periodic software updates and upgrade notices.
Pro Tools Reference Guide4
Chapter 2: Pro Tools System Configurations

TDM-equipped systems

Pro Tools TDM-equipped systems are available in the following configurations:
Pro Tools 24 MIX
A core system includes:
• MIX Core card
• Pro Tools software
• Digidesign audio interface (sold separately)
Pro Tools 24 MIXplus
A core system includes:
• MIX Core card
• MIX Farm card
• Pro Tools software
• Digidesign audio interface (sold separately)
Pro Tools 24
A core system includes:
• d24 Audio card
• DSP Farm card
• Pro Tools software
• Digidesign audio interface (sold separately)
Supported Audio Interfaces
You can use the following audio interfaces with Pro Tools TDM systems:
The 888/24 I/O and 882/20 I/O (as well as
888 I/O and 882 I/O) Audio Interfaces work with Pro Tools 24 MIX/MIXplus and Pro Tools 24 systems.
The 1622 I/O Audio Interface works with
Pro Tools 24 MIX/MIXplus and Pro Tools 24 systems.
The ADAT Bridge I/O Interface works with
Pro Tools 24 MIX/MIXplus and Pro Tools 24.
Pro Tools system performance depends on factors such as computer processor speed, amount of system memory, and hard drive performance. Contact your Digidesign dealer or visit Digidesign’s Web site for the latest system requirements and compatibil­ity information.
Chapter 2: Pro Tools System Configurations 5

TDM System Playback, Recording and Voice Limits

The following table lists the audio playback, recording, and voice limits of each type of Pro Tools TDM system. The term virtual voice refers to the maximum number of audio tracks that can share the available voices on your system. TDM-equipped Pro Tools systems can open sessions with up to 128 audio tracks, but any audio tracks beyond that system’s virtual voice limit will be automatically set to
Voice Off.
All TDM-equipped Pro Tools systems provide a total of 64 internal mix busses. TDM systems also pro­vide 5 inserts and 5 sends per track, up to the DSP capacity of your system.
Table 1. Pro Tools TDM system audio playback, recording and virtual voice limits
Core System Type
Pro Tools 24 MIX/MIXplus 32 or 64 32 or 64 86
Pro Tools 24 32 32 43
Voices (Mono Tracks of Simultaneous Playback)
Mono Tracks of Simultaneous Recording
Virtual Voices

Audio Interfaces for TDM Systems

The following table lists the input and output capabilities of the various audio interfaces for TDM­equipped Pro Tools systems. In expanded TDM systems, audio interfaces can be combined for up to 72 audio inputs and outputs.
Table 2. Pro Tools audio interface channel capabilities
Interface Type
888/24 I/O 8 in/8 out 24-bit 24-bit 24-bit
882/20 I/O 8 in/8 out 20-bit 20-bit 24-bit
888 I/O 8 in/8 out 18-bit 18-bit 24-bit
882 I/O 8 in/8 out 18-bit 18-bit 24-bit
Number of I/O Channels
A/D Conversion
D/A Conversion
Digital I/O
1622 I/O 16 in/2 out 20-bit 24-bit 24-bit
ADAT Bridge I/O 16 in/16 out 24-bit 24-bit 24-bit
Pro Tools Reference Guide6
Pro Tools LE Systems
Digi ToolBox XP
Pro Tools LE-based systems are available in the following configurations.
Digi 001
A Digi 001 system includes:
• Digi 001 PCI card
• Digi 001 I/O box
• Pro Tools LE software
An Digi ToolBox system includes:
• Audiomedia III card
• Pro Tools LE software
The total processing capacity of a Pro Tools LE-based system depends on the processing power of your computer. Contact your Digidesign dealer or visit Digidesign’s Web site for the latest system requirements and compatibility information.
Pro Tools LE System Capabilities
The following table lists the playback, recording, and input and output capabilities of each Pro Tools LE-based system. All Pro Tools LE systems are limited to 24 mono audio tracks. If you open a Pro Tools session containing more than 24 mono audio tracks on an LE-based system, only the audio tracks assigned to the first 24 voices will open; if you save the session using Pro Tools LE, any audio tracks beyond the first 24 will be lost.
All Pro Tools LE systems provide a total of 16 internal mix busses. Pro Tools LE also provides up to 5 inserts and 5 sends per track, depending on your computer’s processing capacity.
Table 3. Pro Tools LE System Audio Playback, Recording, and Channel Capabilities
Mono Tracks of
System Type
Digi 001 24 up to 18 in/18 out 24-bit 24-bit 24-bit
Audiomedia III 24 up to 4 in/4 out 18-bit 18-bit 24-bit
For details on transferring session material between Pro Tools LE and Pro Tools TDM systems, see “Sharing Sessions between Pro Tools TDM Systems and Pro Tools LE Systems” on page 57.
Simultaneous Playback
Number of Recording/Playback Channels
A/D Conversion
Chapter 2: Pro Tools System Configurations 7
D/A Conversion
Digital I/O
Pro Tools Reference Guide8
Chapter 3: Pro Tools Concepts
This chapter is an overview of essential digital audio, MIDI, and digital signal processing con­cepts, and an introduction to many of these same concepts in Pro Tools.

Hard Disk Recording

Tape-based recording is a linear medium—you need to rewind or fast forward a tape to hear a particular spot in a recording. To rearrange or re­peat material in a linear system, you need to re­record it.
Hard disk recording is a non-linear (or random access) medium—you can go immediately to any spot in a recording without having to re­wind or fast forward.
Non-linear systems have several advantages. You can easily rearrange or repeat parts of a re­cording by making the hard disk read parts of the recording in a different order. In addition, this re-arrangement is non-destructive, meaning that the original recorded material is not al­tered.

The Digidesign Audio Engine

When you start Pro Tools, an application called DAE automatically launches in the background. DAE, or the Digidesign Audio Engine, is Digide­sign’s real-time operating system for digital re­cording systems. When you install Pro Tools, DAE is automatically installed on your system.
In the same way that a computer’s operating system provides the foundation for programs that run on the computer, DAE provides much of the hard disk recording, digital signal process­ing, mix automation, and MIDI functionality re­quired by Pro Tools and other products from Digidesign and its Development Partners.
Pro Tools also takes advantage of your com­puter’s host processor, sharing certain tasks and processing. Performance is determined by your system and its Playback Engine settings.
See also “System Resources” on page 13.
Pro Tools is a non-linear recording system that let you rearrange and mix recorded material non-destructively.
Chapter 3: Pro Tools Concepts 9
Playback Engine
All Pro Tools systems let you choose the Play­back Engine for a session at any time.
Playback Engine dialog for Pro Tools TDM system
make changes to a session and save those changes in a new session file. This lets you cre­ate multiple versions of a project or back up your editing and mixing work.
Audio File
When you record audio into a Pro Tools session, audio files are created.
The Playback Engine dialog lets you reconfigure Pro Tools to use different Digidesign hardware, and to re-allocate certain system resources. For more information, see “Configuring Your Sys­tem” on page 45.
Pro Tools Sessions and Concepts
When you start a project in Pro Tools, you cre­ate a session. Some basic elements of sessions are explained in this section.
Session File
Pro Tools session file icon
A session file is the document that Pro Tools cre- ates when you start a new project. The session file contains maps of all elements associated with a project, including audio files, MIDI data, and all your edit and mix information. You can
Audio file icon
Audio files for each session are stored in a folder named “Audio Files.” Audio files are listed in the Audio Regions List and can appear in a track. A section of an audio file can be defined as a re­gion (see “Regions and Loops” on page 11).
Audio and MIDI Tracks
Pro Tools Tracks are where audio, MIDI, and au­tomation data are recorded and edited.
Audio tracks in the Edit window
MIDI track in the Edit window
Audio and MIDI tracks can be edited into re­gions to create loops, re-arrange sections or en­tire songs, or to assemble tracks using material from multiple takes.
Pro Tools Reference Guide10
Audio tracks can be mono, stereo, or any sup­ported multi-channel format (depending on your type of Pro Tools system).
Regions and Loops
Audio region
A region is a piece of audio or MIDI data that may have associated automation data. A region could be a loop, a guitar riff, a verse of a song, a sound effect, a piece of dialog, or an entire sound file. In Pro Tools, regions are created from audio or MIDI files, and can be arranged in au­dio and MIDI track playlists.
Playlist
A playlist can be made up of a single region or many separate regions. It can be made up of similar elements, such as regions from several different takes of a solo, or dissimilar elements, such as several sound effects.
Channel
The term channel is used to describe several re­lated components of a Pro Tools system. The first example of channel refers to a physical in­put or output of your Pro Tools system.
Computer 1
78563412785634125/6
ANALOG OUTPUT ANALOG INPUT AES/EBU OUTPUT AES/EBU INPUT
7/8
Rear view of 888/24 I/O Interface
For example, an 888/24 I/O Audio Interface pro­vides eight channels of analog input and output to a TDM-equipped system. A Digi 001 system provides up to 18 channels of input and output to a Pro Tools LE system.
Computer 2
1/2
5/6
1/2
3/4
7/8
3/4
8 CH Mode 2 x 4 CH Mode
S/PDIFINS/PDIF
SLAVE CLOCKINSLAVE CLOCK
OUT
OUT
Playlist selector pop-up menu
A playlist is a group of regions arranged on an audio or MIDI track. You can maintain multiple edit playlists on a single track. This lets you as­semble different versions on a single audio or MIDI track and choose among them with a pop­up menu on the track.
On audio tracks, a playlist tells the hard disk which audio files to read in what order. By using several copies of an audio region in a playlist, you can repeat a section of a recording without using any additional disk space.
Channel strip in the Mix window
The second use of the term channel refers to a mixer strip in the Pro Tools Mix window. The term channel strip refers to the mixer strip of any track (audio or MIDI track, Auxiliary Input, or Master Fader) in a session.
Chapter 3: Pro Tools Concepts 11
Audio and MIDI channel strips have similar controls, but those controls have slightly differ­ent effects. For example, audio and Auxiliary In­put channel strip faders control the Pro Tools mixer, while MIDI channel strip faders send MIDI volume data (MIDI controller 7).
The term channel also describes a separate aspect of MIDI operation. See “System Re­sources” on page 13.
Signal Routing
Pro Tools provides software-based mixing and signal routing controls. These include the Mix window and its familiar console-like faders and switches, as well as inserts, sends, and plug-ins.
Signal routing options include the following:
Track I/O Controls The most basic type of signal routing is track input and output. A track needs to have an assigned input path to record audio, and an assigned output path in order to be audi­ble through a hardware output.
Auxiliary Inputs and Master Faders Auxiliary In­puts are tracks that can be used as returns, sub­mixers and bus masters. Master Faders are used as bus and output master level controls. Both Auxiliary Inputs and Master Faders can have in­serts or plug-ins.
Sends Sends route audio to internal busses to send to other tracks in Pro Tools, or to hardware outputs.
Signal Routing Example
A common signal routing task is to submix mul­tiple tracks to a single channel strip for shared processing and level control. The following ex­ample shows three tracks of drums submixed to a stereo Auxiliary Input.
Stereo plug-in
Input from
Outputs to stereo Bus path
Audio Tracks
Submixing to an Auxiliary Input
stereo Bus path
Output to a Stereo Output path
Auxiliary Input
Plug-Ins and Inserts Plug-ins and hardware In­serts process the audio on their associated track. Plug-in processing occurs completely within Pro Tools. Hardware Inserts utilize audio inter­face inputs and outputs, for traditional insert routing to (and from) external effects and other devices.
Paths Pro Tools lets you define paths that name and customize audio inputs, outputs, busses, and inserts. You can customize Pro Tools paths using the I/O Setup dialog. See Chapter 7, “I/O Setup” for more information.
Mixing Formats Sessions can include combina­tions of mono, stereo, and multi-channel for­mat tracks, busses, inputs, outputs, and inserts. (Multi-channel formats are supported on Pro Tools MIX and MIXplus only.)
Pro Tools Reference Guide12

System Resources

Track count, plug-in processing, signal path and routing options, and voice availability are ulti­mately limited by the combined resources avail­able from the host computer, and from your Pro Tools hardware.
Pro Tools provides several ways to manage and conserve resources to maximize the perfor­mance of your system. As you begin working with Pro Tools sessions and tracks, you can take advantage of the following features to extend the effectiveness of your available DSP and other resources:
System usage settings let you balance the dis-
tribution of work between your computer and any Digidesign audio hardware. See “Playback Engine” on page 10.
Active and inactive switching lets you selec-
tively toggle certain items between active (on) and inactive (off). This lets you precisely allo­cate DSP and other resources when developing playlists, tracks, and mixes. See “Active and In­active Items” on page 13.
TDM-equipped Pro Tools systems provide
flexible voice options for disk tracks. For more information on voice management and options, see “Virtual Tracks and Track Priority” on page 82.
Active and Inactive Items
You can make inputs, outputs, inserts, side chains, plug-ins, and tracks active or inactive to manage available DSP and time slot resources. In addition, Pro Tools will automatically make things inactive if there are insufficient or un­available resources.
When active, items are fully engaged and opera­tional.
When inactive, items are:
• Silent
• “Off,” consuming no associated DSP, mixer, or system resources (making those resources available for other uses in the session)
• Saved, including associated media, voices, sig­nal path assignments, insert assignments, au­tomation data, levels, and other parameters
Items in Pro Tools that support Active and Inac­tive modes include the following.
Audio tracks, Auxiliary Inputs and Master
Faders (TDM systems only)
Track Inputs and Outputs
Sends
Side-chain inputs
Plug-Ins
Hardware Inserts
Paths (session-wide)
MIDI tracks cannot be made inactive.
Inactive Items and Resources
Different items affect available system resources in specific ways.
Plug-Ins When a plug-in is inactive on a track, its DSP is made available for other plug-ins and processing. Plug-in assignments can be made in­active manually, or automatically (see “Auto­matic and Manual Inactive Mode” on page 14).
Paths and Path Assignments When a path or path assignment is inactive, its mixer resources are made available for other signal routing pur­poses in the session. Paths and assignments can be made inactive manually, or automatically (see “Automatic and Manual Inactive Mode” on page 14).
Chapter 3: Pro Tools Concepts 13
Tracks (TDM systems only) When an audio track, Auxiliary Input, or Master Fader is made inactive, its plug-ins, inserts, sends, and I/O assignments become inactive.
Display of Inactive Items
When items are inactive, their names appear in italics, and their background becomes dark grey. When a track is inactive (TDM systems only), the entire channel strip darkens.
Active Inactive plug-in
Inactive track
Automatically Inactive Items
When opening a session, it is possible that not all signal paths, plug-ins, or audio interfaces used in the session will be available as defined on the current system. Whenever this occurs, the session will open as it was last saved. All items that are unavailable, or cannot be loaded due to insufficient resources, are made inactive.
Manual Inactive Switching
You can manually apply Active or Inactive modes to manage system resources. By making an item inactive, its associated resources are made available elsewhere in the session.
The following are basic instructions for manu­ally making items inactive. Throughout the Pro Tools Reference Guide, instructions are pro­vided whenever an item can be made inactive.
To toggle an item active or inactive:
Command-Control-click (Macintosh) or Con-
trol-Start-click (Windows) the item.
Active and inactive items and tracks
Automatic and Manual Inactive Mode
Active and Inactive modes are powerful options for session transfer, and system resource man­agement. Pro Tools provides automatic and manual Inactive mode switching. You can man­ually make items inactive (or active) to selec­tively manage system resources while editing and mixing.
Pro Tools Reference Guide14
You can apply to all or all selected tracks using standard Pro Tools modifiers (Option and Op­tion+Shift on the Macintosh, Alt and Alt+Shift in Windows). Side Chain inputs support direct active and inactive switching, but do not follow switching to all or all selected.

MIDI Concepts

MIDI (Musical Instrument Digital Interface) is a communication protocol for musical instru­ments. This industry standard enables connec­tions between a variety of devices from different manufacturers. Examples of MIDI-compatible equipment include synthesizers, sound mod­ules, drum machines, patch bays, effects proces­sors, MIDI interfaces, and sequencers.
MIDI devices are equipped with 5-pin DIN con­nectors, labeled as either IN, OUT, or THRU.
The MIDI OUT port transmits messages; the MIDI IN port receives messages; and, MIDI THRU echoes whatever is received from the IN port. MIDI devices are connected with MIDI ca­bles that are available at most music stores.
echoed from IN
MIDI Terms
The following are some basic MIDI terms:
MIDI Interface Hardware that lets computers connect to and communicate with MIDI de­vices.
MIDI Device Any keyboard, sound module, ef­fects device or other equipment that can send or receive MIDI information.
MIDI Controller Any MIDI device that transmits MIDI performance data. These include key­boards, MIDI guitar controllers, MIDI wind in­struments, and others. Controllers transmit MIDI from their MIDI OUT ports.
MIDI Control Surface Any device, such as the Mackie HUI, that uses a MIDI connection to send control messages to a software program, but is not generally used to record MIDI infor­mation.
MIDI Sound Source Any MIDI instrument that plays back in your arrangements. Sound sources receive MIDI from their MIDI IN ports.
MIDI signal flow
Not all devices will have all three MIDI ports (IN, OUT and THRU).
A single MIDI cable can transmit a separate set of messages for each of 16 channels. These 16 channels correspond to separate MIDI devices or to multiple channels within a single device (if the device is multi-timbral). Each channel repre­sents a discreet instrument sound; for instance, bass on channel 1, piano on channel 2 and drums on channel 10. Similar to a multitrack tape recorder, a MIDI sequencer can record com­plex arrangements—even using a single multi­timbral keyboard.
Multi-timbral The capability of playing several different instrument sounds (such as piano, bass, and drums) simultaneously on separate channels. This makes it possible for a single MIDI sound source to play back entire arrange­ments.
MIDI Channel Up to 16 channels of MIDI perfor­mance data can be transmitted on a single MIDI cable. The channel number separates the differ­ent messages so your sound sources can receive the right ones.
Program Change Event A MIDI command that tells a sound source which sound patch to use. The MIDI protocol lets you choose from a range of 128 patches.
Chapter 3: Pro Tools Concepts 15
Bank Select Message A MIDI command that specifies the bank of patches from which to choose. Many devices have more than 128 patches and Bank Select messages provide a means of accessing them.
However, to actually hear that second device (sound source) you’ll need to connect its audio outputs to a sound system. Your MIDI instru­ments have two signal paths, one for audio and another for MIDI.
Local Control A controller setting found on most MIDI keyboards that let them play their own sound source. Disabling “local control” ensures that a device’s internal sound source is only played by external MIDI messages.
When using Pro Tools, “local control” should usually be disabled. When “local control” is off, your keyboard still transmits data to its MIDI OUT port.
Continuous Controller Events MIDI instructions that allow real-time changes to notes that are currently sounding. These include pitch bend, modulation, volume, pan, and many others.
System Exclusive Data MIDI data commonly used for sending and retrieving patch parameter information for storage purposes.
Common Misconceptions about MIDI
MIDI is not audio. The messages that travel down a MIDI cable are only numbers that trans­late to specific instructions. For instance, when you strike a key on your MIDI keyboard it sends a message to its MIDI OUT port telling another device (if connected and set to the same MIDI channel) to play that particular note.
MIDI does not allow you to use your devices be­yond their capabilities. Particular instruments have their own sound generation, polyphony, and multi-timbral limitations.
Signal paths for MIDI instruments
Pro Tools Reference Guide16
Chapter 4: Pro Tools Windows
Pro Tools provides two complementary ways of viewing a project: the Mix window and the Edit window. Pro Tools also allows you to control many functions from the Transport window. The main elements of these windows are ex­plained in the following sections.

The Mix Window

In the Mix window, tracks appear as mixer mod­ules, with controls for inserts, sends, input and output assignments, volume, panning, record­enable, automation mode, and solo/mute. The following section explains each of these track controls.
To display the Pro Tools input/output controls, inserts, sends, and comments, select Display > Mix Window Shows > All.
To toggle between the Mix and Edit win­dows, press Command+equal (Macintosh) or Control+equal (Windows) on the alpha keyboard.
Show/Hide Tracks List
Show/Hide Tracks List
This scrolling window lists all tracks in the cur­rent session. It allows you to show or hide a track by selecting or deselecting its name in the list. Inactive tracks appear in italics in the Show/Hide Tracks List.
You can also use this list to reorder tracks by dragging a track name to a new position within the list. This track ordering effects voice priority for TDM systems. See Chapter 8, “Tracks” for de­tails.
The pop-up menu at the top of this list provides commands that allow you to show or hide all tracks, or only tracks currently selected on screen.
Chapter 4: Pro Tools Windows 17
About Groups and Show/Hide Tracks
Even if a track is hidden, if it is a member of an enabled group, all Mix window operations per­formed on other members of the group will also affect the hidden track—with the exception of au­dio or MIDI record-enabling. If you solo, mute, or automation write-enable a grouped track, any group members that are hidden will be soloed, muted, or automation write-enabled as well. These functions are not applied to hidden tracks.
You can also use this list to select grouped tracks on-screen by clicking to the left of the dotted vertical line next to a group name. The pop-up menu at the top of this list provides commands to create, delete or suspend groups. You can link groups in the Mix Groups and Edit Groups lists. For more information on grouping, see “Group­ing Tracks” on page 85.
Audio Track/Channel Strip
In the Edit window, however, editing operations performed on members of an enabled group will not affect hidden tracks that are also members of the enabled group.
On TDM systems, even if a track is hidden from view, its position relative to other tracks still af­fects its virtual track playback priority (see “Vir­tual Tracks and Track Priority” on page 82 for details).
Mix Groups List
Mix Groups List
The Mix Groups list shows all groups in the ses­sion. It allows you to activate a group by select­ing its name in the list. A group is only enabled (meaning that its members are linked for mix­ing purposes), when its name is highlighted in this list.
Inserts
Sends
Input/Output
Automation Mode
Record Enable/Solo/Mute/Voice
Pan Slider
Opens Output window
Group ID
Volume Fader
Level Meter
Track Type Selector
Track Name
Track Comment
Audio channel strip
Each audio track has its own set of controls for volume, pan, panner window, record-enable, automation mode, solo, mute, comments, and (on TDM systems) voice assignment.
Pro Tools Reference Guide18
Send with
Send Controls
Real-Time Plug-In
Show/Hide
Tracks List
Automation
Mode Selector
Output window
button
Group ID Indicator
Mix Groups
List
AutoMatch
Indicator
Track Name
Track
Comments
View
Stereo
Audio Track
Mono
Audio Track
Auxiliary
Input
Inserts
View
Sends
View
I/O View
Rec Enable,
Solo, Mute
buttons
Channel Pan
Channel
Volume
Level Meter
MIDI
Track
Master
Fader
Figure 1. Pro Tools Mix window
Chapter 4: Pro Tools Windows 19
MIDI Track/Channel Strip
MIDI Channel
Automation Mode
Record Enable/Solo/Mute/Patch
MIDI Pan
MIDI Volume
MIDI Velocity Meter
Track Name
MIDI channel strip
Each MIDI track has its own set of controls for volume, pan, record enable, automation mode, solo, mute, MIDI patch assignment, and MIDI channel assignment. MIDI tracks can be added to a session with the New Track command.
Mix Window Track Controls
Record Enable button
Automation Mode Selector
Voice Selector
Mute button
Solo button
Mix window, controls for audio and MIDI tracks
Record Enable Button
The Record Enable button puts audio and MIDI tracks into record-ready mode. Once a track is record-enabled, click the Record and Play but­tons in the Transport window to start recording.
When the Operation Preference for Latch Record Enable Buttons is selected, you can record enable more than one track at the same time by clicking the Record Enable button on each track. If the Latch Record Enable Buttons preference is deselected, Shift-click to record en­able multiple tracks.
Record Safe Mode
Pro Tools provides a Record Safe mode that al­lows you to disable recording capability on any track in a session. This prevents you from inad­vertently record enabling a track. To toggle Record Safe mode, Command-click (Macintosh) or Control-Click (Windows) the track’s Record Enable button.
Solo Button
The Solo button mutes all other tracks so a track can be auditioned alone. More than one track can be soloed at the same time.
Pro Tools Reference Guide20
When the Operation Preference for Latch Solo Buttons is selected, you can solo more than one track at the same time by clicking the Solo but­ton for each track. If the Latch Solo Buttons preference is deselected, you can Shift-click to solo multiple tracks.
Solo Safe Mode
Pro Tools also allows you to solo safe a track. This prevents the track from being muted even if you solo other tracks. This feature is useful for tracks such as Auxiliary Inputs that are being used as effects returns (for example, a reverb send), allowing the effects track to remain in a mix even when other tracks are soloed. It is also useful to solo safe MIDI tracks so that their play­back is not affected when you solo audio tracks. To toggle Solo Safe mode, Command-click (Macintosh) or Control-Click (Windows) the Solo button on the track. Do this again to turn off Solo Safe on a track.
Mute Button
The Mute button silences a track. More than one track can be muted at the same time. On TDM systems, if the Mute Frees Assigned Voice option is selected, muting a track will free up any voices
allocate its voice to the next highest priority vir­tual track allocated to that voice in your session.
Automation Mode Selector
The Automation Mode selector allows you to choose a track’s automation mode. Once a track is automation write-enabled, starting playback will start writing automation (depending on the mode you have chosen). Any automation moves that you make on the track can then be played back exactly as you performed them.
Voice Selector
(TDM Systems Only)
Audio track Voice Selector
On TDM systems, the Voice Selector is used to set the voice assignment for audio tracks. Tracks can be assigned to a specific voice number, or they can be assigned to Auto. When tracks are auto-voiced, Pro Tools automatically assigns tracks to the next available voice that is not in use. Auto-voiced tracks are especially useful when working with stereo and multi-channel tracks, where Pro Tools can conveniently han­dle the voice allocations for these multi-voice tracks.
To ensure that a track will be heard, assign it to a specific voice (or voices). For stereo and multi­channel surround tracks, voices appear in pairs and multi-channel groups. Tracks with assigned voices take priority over auto-voiced tracks. When more than one track is assigned to the same voice (voices in use by another track ap­pear bold in the Voice Selector), track priority is determined by the track’s position in the Mix or Edit window, with the track farthest to the left
Chapter 4: Pro Tools Windows 21
in the Mix window, or closest to the top in the Edit window, being given priority. This track priority scheme also applies to tracks that are auto-voiced.
For more information on voices and track prior­ity, see “Assigning Voices and Track Priority” on page 80.
Input/Output View
Output Selector
(Audio Tracks, Auxiliary Inputs, Master Faders)
Input Selector
Output Selector
Level/Peak/Delay Indicator
Pan Indicator
Inputs/Outputs view in channel strip
The I/O View shows Input and Output Selectors on audio and MIDI tracks. Both types of tracks show volume and pan values in this view. To show the I/O View, select Display > Mix Win­dow Shows (or Edit Window Shows) > I/O View.
Input Selector
(Audio and Auxiliary Input Tracks)
Audio track Input Selector
The Input Selector allows you to route any audio input or any of the Pro Tools internal busses to an audio track or an Auxiliary Input track. The choices available in this pop-up menu are deter­mined by the I/O Setup configuration. Inputs in use by another track appear as bold in the Input Selector.
Audio track Output Selector
The Output Selector allows you to route a track to any configured audio output or internal bus. The choices available in this pop-up menu are determined by the I/O Setup configuration. Outputs in use by another track appear as bold in the Input Selector.
MIDI Input Selector
(MIDI Tracks)
MIDI Input Selector
This selector allows you to choose which MIDI device and channel a MIDI track is receiving in­put from. This allows you to set up Pro Tools to record multiple MIDI tracks in the same record pass. Channels in use by another track input ap­pear as bold in the MIDI Input Selector.
Pro Tools Reference Guide22
MIDI Device/Channel Selector
(MIDI Tracks)
MIDI Device/Channel Selector
Level/Peak/Channel Delay Indicator
The Level Indicator on an audio track has three modes: Level Indicator, Peak Indicator, and Channel Delay Indicator. Command-click (Macintosh) or Control-Click (Windows) this button to toggle between these modes.
Level Indicator Shows the current volume/input level of a track as set by the track level fader.
Peak Indicator Functions as a headroom indica­tor based on the last peak playback level. To re­set the peak counter, click anywhere in the meter. Values range from +6 dB (highest level
signal), to (no signal).
The MIDI Device/Channel Selector allows you to route the MIDI track to a device and channel. Channels in use by another track output appear as bold in the MIDI Device/Channel Selector.
Default Program
(MIDI Tracks)
Default Program button in channel strip
The Default Program button opens the Program Change window, where you can specify a de­fault program for the track. The track’s default program is transmitted each time the track plays.
Channel Delay Indicator Shows the delay, in samples, incurred by any TDM plug-ins on that channel.
Pan Indicator
The Pan Indicator displays the current pan set­ting of a track. Pan values range from <100 (full left) to 100> (full right). Pan controls are only available for stereo tracks or mono tacks routed to a stereo output.
Pan Slider
The Pan slider controls the balance of a track be­tween the assigned output pair. It only appears if you are using stereo tracks or mono tacks routed to a stereo output.
The Pan slider on a MIDI track is only effective if you are controlling a sound module that sup­ports MIDI panning.
Chapter 4: Pro Tools Windows 23
Output Window
Track Level Meter
The Output window contains visual controls for track panning and volume. This window ap­pears differently for mono, stereo, and multi­channel tracks. For multi-channel mixing, there is also an X/Y panner Output window available. For more information on using multi-channel Output windows, see Chapter 33, “Surround Panning and Mixing.”
Pan controls
Level Faders
Mono Stereo
Output windows (mono and stereo tracks)
Track Level Fader
On audio tracks, level meters indicate the level of the signal being recorded or played back from the hard drive. Green indicates nominal levels; Yellow indicates pre-clipping (–6 dB below full scale); and Red indicates clipping. When a track is record-enabled, these meters indicate record levels.
You can globally set level meters to indicate pre­or post-fader levels by selecting or de-selecting Operations > Pre-Fader Metering. When pre­fader metering is selected, the level meters show levels independent of fader position. With post­fader metering, the level meters respond to fader position.
If clipping occurs, the topmost LED will stay lit (red). In addition, Pro Tools meters provide a peak hold feature with three options:
To choose a peak hold setting, choose Setups > Preferences, click Display, and select one of the Peak Hold options: 3 Second Peak Hold, Infinite Peak Hold, or No Peak Hold.
You can clear a meter’s clipping or peak hold in­dicator by clicking anywhere on the meter. To clear all meters, Option-click (Macintosh) or Alt­click (Windows) any meter.
On MIDI tracks, the level meter shows the MIDI velocity of the most recent MIDI event.
The track level fader controls the volume of a track when it is in playback, and the monitor level of the track when it is in record. You can link the record and monitor levels by enabling the Operation Preference for “Link Record and Play Faders.”
The level fader on a MIDI track is only effective if you are controlling a sound module that sup­ports MIDI volume.
Pro Tools Reference Guide24
Track Name
When new tracks are created with the New Track command, they are given a default name which can be changed at any time by double­clicking the track name or choosing File > Re­name Selected Tracks.
Insert Controls
Click Insert Selector to assign an insert
Click Insert button open the Plug-In or Insert window
Inserts view in channel strip
Pro Tools provides up to five pre-fader inserts per audio track or Auxiliary Input. The inserts can be either hardware inserts or software plug­ins. To assign an insert, click the Insert Selector in the inserts section of a track.
Send Controls
Click Send Selector to assign a send
Click Send button to open the Sends window
Sends View in channel strip
Pro Tools provides up to 5 mono or stereo sends per audio track or Auxiliary Input, for sending signals to external signal processors or any of the Pro Tools internal busses. Sends can be ei­ther pre- or post-fader. To assign a send to a track, click the Sends Selector in the sends sec­tion of the track.
When you display the controls for an individual send, you also have the option of displaying Send Level Meters.
Send Level
Send Level Meter
Sends View showing individual send controls
Send Pan
Pre/Post button
Send Mute
Track Comments View
The Comments View shows any comments en­tered in the Track Name/Comments dialog. You can also type directly in the Comments area for each track when it is displayed. To display the Comments View, select Display > Mix Window Shows (or Edit Window Shows) > Comments.

The Edit Window

The Edit window provides a timeline display of audio and MIDI data and mixer automation for editing and arranging tracks. As in the Mix win­dow, each track has controls for record enable, solo, mute and automation mode.
To display the input and output controls, in­serts, sends, and comments, select Display > Edit Window Shows > All.
Send level, pan and mute controls can be ad­justed from the Send window, or directly from the sends section of a track by showing individ­ual send controls.
Chapter 4: Pro Tools Windows 25
Tab to Transients,
ommands Focus,
Link Selections
Rulers
Show/Hide
Tracks List
Audio Track
MIDI Track
Edit Groups
List
Edit Mode Buttons
Zoom Buttons
Editing Tools
Event Edit Area
Grid and Nudge Values
Location Indicators
Audio
Regions
List
Audio
Waveform
View
Volume
Automation
View
MIDI Velocity View
Figure 2. Pro Tools Edit window
Pro Tools Reference Guide26
Selected Region
MIDI Notes View
MIDI Regions List
Edit Window Track Controls
Record Enable button
Track Name
Playlist Selector
Playlist Selector
Automation Mode Selector
Mute button
Voice Selector
Track Height Selector
Track View Selector
Solo button
Edit window track controls (medium track height)
Record Enable Button
See “Record Enable Button” on page 20.
Solo Button
See “Solo Button” on page 20.
Mute Button
See “Mute Button” on page 21.
Automation Mode Selector
See “Automation Mode Selector” on page 21.
Voice Selector
(TDM Systems Only)
See “Voice Selector” on page 21.
Playlist Selector
Tracks have edit playlists and automation play­lists. You can create any number of edit playlists
for a track, and assign them by clicking the Play­list Selector in the track and choosing from the pop-up menu. Each track has a single set of au­tomation playlists, according to the type of track and any send or plug-in assignments. You choose the automation playlist to display with the Track View Selector.
Track Height Selector
Track Height Selector
Tracks can be viewed in the Edit window at any of six heights: Mini, Small, Medium, Large, Jumbo, and Extreme. The appearance of track controls varies with track height. You can adjust track height by clicking either the Track Height Selec­tor or in the area just to the right of the track controls.
Track Name
See “Track Name” on page 24.
Chapter 4: Pro Tools Windows 27
Track View Selector
Track View Selector
The Track View for each track determines which data is displayed and edited in the track’s playl­ist area.
The Track View for audio tracks can be set to
Blocks, Waveform, Volume, Pan, Mute, Send Level, Send Mute, Send Pan, or any plug-in parameters
that have been automated. Except when editing automation data, audio tracks are usually set to Waveform view.
Auxiliary input tracks can be set to Volume, Pan, Mute, or any plug-in parameter that has been au­tomated. Master Fader tracks can be set to Vol- ume, or any plug-in parameter that has been au­tomated.
MIDI tracks can be set to Blocks, Regions, Notes,
Volume, Pan, Mute, Velocity, Pitch Bend, After Touch, Program, Sysex, and any continuous con-
troller type. Except when editing controller data, program changes, or sysex events, MIDI tracks are usually set to Notes or Regions.
Edit Modes, Tab to Transients, Commands Focus, and Linked Selections
Edit Mode
Link SelectionsTab to Transients
Commands Focus
Edit mode buttons in Edit window
Shuffle Sets the Edit mode to Shuffle, which re­stricts the placement of regions so that they snap to each other and are placed end to end.
You can press F1 to set the Edit mode to Shuffle, and on the Macintosh, you can press Option+1 on the alpha keyboard.
Spot Sets the Edit mode to Spot, which causes the Spot dialog to open when moving or trim­ming regions and notes. The Spot dialog lets you enter a precise start, end, or length (in any time format) for the event.
You can press F2 to set the Edit mode to Spot, and on the Macintosh, you can press Option+2 on the alpha keyboard.
Slip Sets the Edit mode to Slip, which allows re­gions and notes to be moved and trimmed freely. Regions can placed so that there is space between them, or so that they overlap.
You can press F3 to set the Edit mode to Slip, and on the Macintosh, you can press Option+3 on the alpha keyboard.
Grid Sets the Edit mode to Grid, which con­strains edits and selections to the current Grid value.
You can press F4 to set the Edit mode to Grid, and on the Macintosh, you can press Option+4 on the alpha keyboard.
Pro Tools Reference Guide28
Tab to Transients Enables navigation to tran­sients in audio waveforms, placing the cursor just before the detected transient peak when pressing the Tab key.
Commands Focus (TDM Systems only) Enables the Commands Focus, which provides a wide range of single-key shortcuts from the alpha keyboard for editing and playing.
You can press Command+Option+1 (Mac­intosh) or Control+Alt+1 to enable the Commands Focus.
Link Selections Links the Edit and Timeline se­lections, allowing you to set play and record ranges by selecting in a track’s playlist. When unlinked, you can make Edit selections without disturbing the Timeline selection.
You can press Shift+slash to link and un­link the Edit and Timeline selections.
Zoom Buttons
Vertical Zoom In/Out (MIDI)
Vertical Zoom
In/Out (Audio)
Horizontal Zoom Out
Horizontal
Zoom In
Vertical Zoom In/Out (Audio) Zooms in and out vertically for audio tracks. Option-click (Macin­tosh) or Alt-click (Windows) either of the Verti­cal Zoom buttons to return to the previous zoom level.
While pressing Command+Option (Macin­tosh) or Control+Alt (Windows), you can use the bracket keys to zoom in and out ver­tically for all audio tracks.
Vertical Zoom In/Out (MIDI) Zooms in and out vertically for MIDI tracks. Option-click (Macin­tosh) or Alt-click (Windows) either of the Verti­cal Zoom buttons to return to the previous zoom level.
While pressing Command+Shift (Macin­tosh) or Control+Shift (Windows), you can use the bracket keys to zoom in and out ver­tically for all MIDI tracks.
Zoom Presets Recalls horizontal zoom values for audio and MIDI tracks. Command-click (Macintosh) or Control-click (Windows) a Zoom Preset button to store the current horizontal zoom values.
While pressing Control (Macintosh) or the Start key (Windows), you can recall a Zoom Preset by typing its number on the alpha keyboard.
Zoom Preset Buttons
Zoom buttons in Edit window
Horizontal Zoom In/Out Zooms in and out hori­zontally for all tracks. Option-click (Macintosh) or Alt-click (Windows) either of the Horizontal Zoom buttons to return to the previous zoom level.
While pressing Command (Macintosh) or Control (Windows), you can use the bracket keys to zoom in and out horizontally.
On TDM systems, with the Commands Fo­cus enabled, you can recall a Zoom Preset by typing its number on the alpha key­board.
Chapter 4: Pro Tools Windows 29
Edit Tools
Trimmer
Selector
For TDM systems, choose Trimmer tools from the Trimmer pop-up:
Grabber
Scrubber
Zoomer
Edit tools in Edit window
Smart Tool
Pencil
Zoomer Click or drag with the Zoomer tool to zoom in horizontally for a track or Ruler. Press Command (Macintosh) or Control (Windows) while dragging to zoom horizontally and verti­cally.
To go back to the previous zoom level, Option­click (Macintosh) or Alt-click (Windows) with the Zoomer.
To zoom a selection so it fills the Edit window, Option-click (Macintosh) or Alt-click (Win­dows) the Zoomer tool. To zoom out so that all regions are visible in the Edit window, double­click the Zoomer tool.
To select the Zoomer tool, press F5, or press Command+1 (Macintosh) or Control+1 (Windows) on the alpha keypad.
Standard Trimmer To resize regions or MIDI notes, drag or click near their start/end points with the Trimmer tool. To reverse the direction of the Trim cursor, which determines whether the start or end point is edited, press Option (Macintosh) or Alt (Windows).
The Trimmer can also be used to scale the values for note velocities, controller events, and auto­mation breakpoints.
Trimmer pop-up menu
• Scrub Trimmer, scrubs audio material to find the trim point before performing the trim.
• TCE Trimmer, expands or compresses audio material to fit within a time range.
To select and toggle through the three Trim­mer tools, press F6, or press Command+2 (Macintosh) or Control+2 (Windows) on the alpha keypad.
Selector Drag with the Selector in a track’s play­list for an Edit selection, or in a Timebase Ruler for a Timeline selection.
To adjust the length of a selection, Shift-click or Shift-drag with the Selector. To extend an Edit selection to other tracks, Shift-click with the Se­lector in the desired tracks.
To temporarily switch the Selector to the Scrub­ber, press Control (Macintosh) or the Start key (Windows).
To select the Selector tool, press F7, or press Command+3 (Macintosh) or Control+3 (Windows) on the alpha keypad.
Time Grabber Use the Grabber to select or move entire regions, MIDI events, and Conductor events. The Grabber can also be used to edit and insert automation breakpoints.
Option-click (Macintosh) or Alt-click (Win­dows) with the Grabber to delete tempo and meter events, Markers, and automation break­points.
Pro Tools Reference Guide30
Choose these Grabber tools from the Grabber pop-up:
Grabber pop-up menu
• Separation Grabber, separates selections into new regions.
• Object Grabber (TDM systems only), allows selection of discontiguous regions, which can even be on different tracks.
To select and toggle through the three Grab­ber tools, press F8, or press Command+4 (Macintosh) or Control+4 (Windows) on the alpha keypad.
Scrubber Drag with the Scrubber to scrub up to two audio tracks—right for forward, left for re­verse. The resolution for the Scrubber is deter­mined by the zoom level, and the distance and speed dragged determine the speed and length for the scrubbed audio.
For finer resolutions without zooming, press Command (Macintosh) or Control (Windows) while scrubbing.
To select the Scrubber tool, press F9, or press Command+5 (Macintosh) or Con­trol+5 (Windows) on the alpha keypad.
Pencil Use the Pencil tool to insert MIDI notes, edit velocities for a range of MIDI notes, draw automation and controller events, and repair audio waveforms (when zoomed down to the sample level).
Choose from the Pencil pop-up any of the five shapes, which can be used to affect a range of note velocities, controller events, or automation breakpoints.
Pencil pop-up menu
To select and toggle through the five Pencil shapes, press F10, or press Command+6 (Macintosh) or Control+6 (Windows) on the alpha keypad.
Smart Tool The Smart Tool lets you use the Se­lector, Grabber, and Trimmer, as well as create fades, without switching tools. Depending on where the cursor is placed in relation to a region or note, the Smart Tool automatically switches to the appropriate tool. For details, see “Using the Smart Tool” on page 32.
To temporarily switch the Smart Tool to the Scrubber, press Control (Macintosh) or the Start key (Windows).
To select the Smart Tool, press F6+F7, or press Command+7 (Macintosh) or Con­trol+7 (Windows) on the alpha keypad.
Press Option (Macintosh) or Alt (Windows) and the Pencil changes to an Eraser, which can be used to delete notes, program changes, and sysex events.
Chapter 4: Pro Tools Windows 31
Using the Smart Tool
With the Smart Tool you can instantly access the Selector, Grabber, and Trimmer, and you can also perform fades and crossfades. The position of the cursor in relation to a region or note, or within an automation playlist, determines how the Smart Tool functions.
Smart Tool in Edit window
To select the Smart Tool, click its icon in the up­per left of the Edit window, or press F6+F7 (or F7+F8).
For a fade-in or fade-out, position the cursor
near an audio region’s start or end point, near the top. Once the Fade cursor appears, drag into the region to set the fade length. The fade is cre­ated automatically with the Default Fade Set­tings (in the Editing Preferences).
For a crossfade, position the cursor between
two adjacent audio regions, near the bottom. Once the Crossfade cursor appears drag left or right to set the crossfade length. The crossfade is created automatically with the Default Fade Set­tings (in the Editing Preferences).
To temporarily switch the Smart Tool to the Scrubber, press Control (Macintosh) or the Start key (Windows).
The Smart Tool in Waveform View
Selector
Grabber
Trim
Start
Fade-In
Smart Tool in Waveform view
The following capabilities are available with the Smart Tool when working with audio tracks in Waveform or Blocks view, or MIDI tracks in Re­gions view:
For the Selector, position the cursor over the
middle of the region, in the upper half.
For the Grabber, position the cursor over the
middle of a region, in the lower half.
For the Trimmer, position the cursor near the
region’s start or end point.
Fade-Out
Crossfade
Trim
End
The Smart Tool in Notes View
Selector
Trim End
Trim
Start
Smart tool in Notes view
The following capabilities are available with the Smart Tool when working with MIDI tracks in Notes view:
For the Selector, position the cursor so it
doesn’t cover any notes.
To get the Selector while positioning the cursor over notes, press Command (Macintosh) or Control (Windows).
For the Grabber, position the cursor over the
note, near its middle.
Grabber
Pro Tools Reference Guide32
To get the Marquee so you can select a group of notes, position the cursor so it doesn’t cover any notes and press Command (Macintosh) or Con­trol (Windows).
For the Trimmer, position the cursor near the
note’s start or end point.
The Smart Tool with Stereo and Multi­Channel Tracks
When using the Smart Tool on stereo and multi­channel tracks, individual channels cannot be independently edited. All edits affects all chan­nels as a whole.
To temporarily switch the Smart Tool to the Pencil, press Control (Macintosh) or the Start key (Windows), for the Eraser, press Control+Option (Macintosh) or Start+Alt (Windows).
The Smart Tool in Automation and Controller Views
The following capabilities are available with the Smart Tool when working in automation and controller views:
For the Selector, move the cursor so it is posi-
tioned anywhere in the bottom 75% of the play­list.
For the Grabber, press Command (Macintosh)
or Control (Windows) to insert breakpoints. Continue pressing Command (Macintosh) or Control (Windows) after you begin editing for fine control, otherwise release for coarse con­trol.
Press Command+Shift (Macintosh) or Con­trol+Shift (Windows) to vertically constrain movement.
To edit existing breakpoints, move the cursor
near a breakpoint and the Grabber will appear.
Press Shift to vertically constrain movement.
For the Trimmer, position the cursor in the
top 25% of the playlist to trim breakpoints. Press Command (Macintosh) or Control (Windows) after you begin trimming for fine control.
The tool switching for the Smart Tool in stereo and multi-channel tracks is determined by the position within the entire track, and not within individual channels.
Event Edit Area
Selection
Indicators
Event Edit Area showing MIDI track information
Start Displays the start point for a selected re­gion or note, or for an Edit selection. To move the start point, enter a new value in this field.
End Displays the end point for a selected region or note, or for an Edit selection. To move the end point, enter a new value in this field.
Length Displays the length for a selected region or note, or for an Edit selection. To change the length of the region, note, or Edit selection, en­ter a new value in this field. This will move the end point later to extend the length to the new value.
Pitch Displays the pitch (including octave num­ber) for a selected note. To change the pitch, en­ter a new value in this field, or select the field and play a note on your MIDI controller.
Note
Attributes
Pitch
Attack Velocity
Release Velocity
Chapter 4: Pro Tools Windows 33
Attack Displays the attack velocity for a selected note. To change the velocity, enter a new value in this field, or select the field and play a note on your MIDI controller.
Release Displays the release velocity for a se­lected note. To change the velocity, enter a new value in this field, or select the field and play a note on your MIDI controller.
To change the time format for the Main or Sub Time Scale, choose from the pop-up menu to the right of the fields.
To highlight the Main Location Indicator, press Equal (=) on the numeric keypad. Press period (.) to navigate the different time fields in an indicator, press Enter to go to the new location.
Press slash (/) on the numeric keypad to au­tomatically select the Start field, and to navigate from one field to the next. Press Enter on the numeric keypad to accept a value.
Location Indicators, Grid/Nudge Values, Current Cursor Display
Location Indicators
Edit window display showing MIDI track information
Location Indicators Displays the current play po­sition in the Main and Sub Time Scales. To move the Timeline insertion point to a different loca­tion, click in either field, type in the new loca­tion and press Enter.
Grid/Nudge Values
Cursor Value
Cursor Location
Grid Value Defines the Grid boundaries used in Grid mode, and when quantizing regions. The Grid value, selected from the pop-up menu to the right of this field, can be based on the Main Time Scale or any of the other time formats.
Nudge Value Displays the time value used when nudging. The Nudge value, which can be based on the Main Time Scale or any other time for­mat, can be selected from the pop-up menu to the right of this field, or by typing in any value you want.
In addition to nudging regions and notes, you can also nudge start and end points for regions and notes, start and end points for selections, and region contents. See Chapter 17, “Working with Regions and Selections.”
Cursor Location Provides feedback on the cur­rent cursor location. This location is displayed in the time format for the Main Time Scale.
Cursor Value Provides feedback on the current cursor value. The type of value displayed de­pends on the Track View: for example, note number for Notes view, velocity value for Veloc­ity view, and dB value for Volume view.
Pro Tools Reference Guide34
The Edit Groups List
Edit Groups List
Audio Regions List and Pop-up Menu
mono region
stereo region
selected region
The Edit Groups list shows all groups in the ses­sion. It allows you to activate or deactivate a group by selecting or deselecting its name in the list. A group is only enabled (meaning that its members are linked for editing purposes), when its name is highlighted in this list.
You can also use this list to select grouped tracks on-screen by clicking to the left of the dotted vertical line next to a group name. The pop-up menu at the top of this list provides commands to create, delete or suspend groups. You can link groups in the Edit Groups and Mix Groups lists. For more information on grouping, see “Group­ing Tracks” on page 85.
All audio regions that are recorded, imported, or created by editing appear in the Audio Regions List. Regions can be dragged from the list to tracks and arranged in any order.
Using the Audio Regions List pop-up menu (at the top of the list) you can sort this list by a va­riety of attributes. You can also select, rename and clear regions from the session, and import and export audio from the session.
MIDI Regions List and Pop-up Menu
All MIDI regions that are recorded, imported, or created by editing appear in the MIDI Regions List. Regions can be dragged from the list to tracks and arranged in any order.
Using the MIDI Regions List pop-up menu (at the top of this list), you can sort this list by a va­riety of attributes. You can also rename and clear regions from the session, as well as import MIDI from this menu.
Chapter 4: Pro Tools Windows 35

The Transport Window

The Transport window can be set to show basic transport controls, counters, and MIDI controls. The counters in the Transport window mirror the Location Indicators at the top of the Edit window.
Stop Stops playback or recording.
You can also stop the Transport with the follow­ing shortcuts:
• Press the Spacebar.
• With the Numeric Keypad Mode set to Trans­port, press 0.
Return to Zero
Rewind
Online
Pre-Roll
Post-Roll
Transport Master
Transport window showing basic transport controls
Fast Forward
Play
Stop
Start, End, and Length
for Timeline Selection
Go to End
Record
Online Puts Pro Tools online so that playback and recording is triggered by an external time code source.
Return to Zero Locates to the beginning of the session.
You can press Return (Macintosh) or Enter on the alpha keyboard (Windows) to locate to the beginning of the session.
Rewind Rewinds from the current play location. You can also click repeatedly to rewind incre­mentally (by an amount based on the Main Time Scale).
With the Numeric Keypad Mode set to Transport, you can rewind by pressing 1.
Play Starts playback or (if the Record button was clicked first) recording from the Timeline inser­tion point.
With the Transport stopped, Control-click (Macintosh) or Right-click (Windows) Play to toggle Loop Playback mode. When enabled, a loop symbol appears in the Play button.
You can also initiate playback with the follow­ing shortcuts:
• Press the Spacebar.
• With the Numeric Keypad Mode set to Trans­port, press 0.
You can play at half-speed with the following shortcuts:
• Command-click (Macintosh) or Control-click (Windows) the Play button.
• Press Shift+Spacebar.
Fast Forward Fast forwards from the Timeline in­sertion point. You can also click repeatedly to fast forward incrementally (by an amount based on the Main Time Scale).
With the Numeric Keypad Mode set to Transport, you can fast forward by pressing
2.
Go to End Locates to the end of the session.
You can press Option+Return (Macintosh) or Control+Enter on the alpha keyboard (Windows) to locate to the end of the ses­sion.
Pro Tools Reference Guide36
Record Arms Pro Tools for recording (the button flashes). Clicking Play then initiates recording.
With the Transport stopped, Control-click (Macintosh) or Right-click (Windows) Record to cycle through the four record modes. The Record button changes to indicate the currently selected mode: blank for Nondestructive, “D” for Destructive, a loop symbol for Loop Record, and “Q” for QuickPunch.
You can also begin recording with the following shortcuts:
• Press F12.
• Press Command+Spacebar (Macintosh) or Control+Spacebar (Windows).
• With the Numeric Keypad Mode set to Trans­port, press 3.
To initiate recording at half-speed, press Command+Shift+Spacebar (Macintosh) or Control+Shift+Spacebar (Windows).
Post-Roll Specifies the amount that plays after the end of a play or record range. Post-roll is use­ful in punch recording since playback continues after the punch-out point so you can check for a smooth transition to previously recorded mate­rial. To set the post-roll amount, enter a new value in this field, or drag the Post-Roll flag in the Main Timebase Ruler.
To enable post-roll, click the Post-Roll button to the left of the post-roll field so it becomes high­lighted.
Start Specifies the beginning of the play or record range. You can set the start point by en­tering a location in this field, or by dragging the corresponding Playback Marker in the Main Timebase Ruler.
End Specifies the end of the play or record range. You can set the end point by entering a location in this field, or by dragging the corresponding Playback Marker in the Main Timebase Ruler.
Pre-Roll Specifies the amount that plays before the beginning of a play or record range. Pre-roll is particularly useful in punch recording since it provides you with time to “catch the beat” be­fore reaching the punch-in point. To set the pre­roll amount, enter a new value in this field, or drag the Pre-Roll flag in the Main Timebase Ruler.
To enable pre-roll, click the Pre-Roll button to the left of the pre-roll field so it becomes high­lighted.
Length Specifies the length for the play or record range. You can set the length by entering a loca­tion in this field, or by selecting a range in any Timebase Ruler.
When the Edit and Timeline selections are linked, you can drag in a track’s playlist to set the play and record range.
Transport Master Specifies the “master” for transport functions. Click this button and choose from the pop-up menu to select the Transport Master, which can be set to Pro Tools, Machine, MMC, and Remote. See “Using MIDI Machine Control” on page 479 for details.
Chapter 4: Pro Tools Windows 37
MIDI Controls
Wait for Note
Click
Countoff
MIDI Merge
Tempo
Countoff When selected, Pro Tools counts off a specified number of measures (indicated in the button) before playback or recording begins.
Double-click the Countoff button, to open the Click/Countoff Options dialog.
With the Numeric Keypad Mode set to Transport, you can press 8 to enable the Countoff.
Meter
Conductor
Transport window showing MIDI controls
Wait for Note When selected, recording does not begin until a MIDI even is received. This ensures that you begin recording when you’re ready to play, and that the first note, or other MIDI data, is recorded precisely at the beginning of the record range.
You can press F11 to turn on Wait for Note, unless the Operation Preference for “Dis­able F11 for Wait for Note” is selected.
Click When selected, a metronome sounds dur­ing playback and recording (as specified by the settings in the Click/Countoff Options dialog).
Double-click the Click button to open the Click/Count Options dialog.
With the Numeric Keypad Mode set to Transport, you can press 7 to enable the Click.
MIDI Merge When selected (Merge mode), re­corded MIDI data is merged with exiting track material. When deselected (Replace mode), re­corded MIDI data replaces existing track mate­rial.
You can press Option+A (Macintosh) or Alt+A (Windows) to enable MIDI Merge, or with the Numeric Keypad Mode set to Transport, press 9.
Conductor When selected, Pro Tools uses the tempo map defined in the Tempo Ruler. When deselected, Pro Tools switches to Manual Tempo mode and ignores the Tempo Track.
In Manual Tempo mode, you can enter a BPM value in the tempo field, or tap in the tempo by clicking the Tap button.
Meter Displays the session’s current meter based on the play location. Double-click the Meter button to open the Change Meter window.
Tempo Displays the session’s current tempo based on the play location. In Manual Tempo mode, you can enter a BPM value into this field. In addition, when the tempo field is selected, you can tap in a tempo from a MIDI controller.
Pro Tools Reference Guide38
Chapter 5: Keyboard Shortcuts

Global Key Commands

This section shows keyboard shortcuts that ap­ply to many functions in Pro Tools.
Channel Strip/Track Functions
• Changing Automation mode
• Enabling playlists
• Adding plug-ins
• Record enabling, soloing, and muting tracks
• Record safing and solo safing tracks
• Assigning inputs, outputs, and sends
• Toggling volume/peak/delay display
• Clearing meters
• Changing track heights
Command Macintosh Windows
Apply action to all channel strips/tracks
Option + action
Alt + action
List and Parameter Selection
• Selection of tracks in Show/Hide List
• Enabling of groups in Groups List
• Automation Enable window parameters
• Setting memory location parameters
Command Macintosh Windows
Toggle item & set all others to same new state
Toggle item & set all others to opposite state
Controls and Editing Tools
Use to move plug-in controls, faders and slid-
ers, the Scrubber, and automation data
Command Macintosh Windows
Fine adjustment of sliders, knobs & breakpoints
Option-click item
Command­click item
Command­click item
Alt-click item
Control-click item
Control­click item
Apply action to selected channel strips/tracks
Option + Shift + action
Alt + Shift + action
Chapter 5: Keyboard Shortcuts 39

Keyboard Focus

The Keyboard Focus in Pro Tools determines how the alpha keys function. Depending on which Keyboard Focus is enabled, you can use the keys on your alpha keyboard to select re­gions in the Audio or MIDI Regions List, enable or disable groups, or perform an edit or play command (TDM systems only).
Commands Focus
(TDM Systems Only)
When selected, this provides a wide range of shortcuts from the alpha keyboard for editing and playing.
With the Commands Focus disabled, you can still access any of its key shortcuts by pressing Control (Macintosh) or the Start key (Windows) along with the key.
Audio Regions List
Key focus
Commands
Key focus
Groups List
Key focus
MIDI Regions List
Key focus
Keyboard Focus buttons
To set the Keyboard Focus:
Click the a-z button for the focus you want to
enable.
– or –
While pressing Command+Option (Macintosh) or Control+Alt (Windows), press 1 (Commands), 2 (Audio Regions List), 3 (MIDI Regions List), or 4 (Groups List).
Audio Regions Focus When selected, audio re­gions can be located and selected in the Audio Regions List by typing the first few letters of the region’s name.
MIDI Regions Focus When selected, MIDI re­gions can be located and selected in the MIDI Regions List by typing the first few letters of the region’s name.
Groups List Focus When selected, Edit and Mix Groups can be enabled or disabled by typing the Group ID letter.
Refer to the Keyboard Shortcut Card that came with your Pro Tools package (TDM systems only) for a complete list of key­board shortcuts. This card is also available in PDF format in the Release Notes and Documentation folder.
You can only enable one Keyboard Focus at a time. Enabling a Keyboard Focus will disable the one previously selected.
Pro Tools Reference Guide40

Numeric Keypad Modes

The Operation preference for Numeric Keypad Mode determines how the numeric keypad functions.
No matter which Numeric Keypad Mode is se­lected, you can always use the numeric keypad to select and enter values in the Event Edit Area, Location Indicators, and Transport fields.
To set the Numeric Keypad Mode:
1 Choose Setups > Preferences and click Opera-
tion.
2 Under the option for Numeric Keypad Mode,
select on of the following modes, then click Done.
Transport
This mode allows you to set a number of record and play functions, and also operate the Trans­port from the numeric keypad.
:
Function Key
Click on/off 7
Countoff on/off 8
MIDI Merge/Replace mode 9
Loop Playback mode on/off 4
Loop Record mode on/off 5
QuickPunch mode on/off 6
Rewind 1
Fast Forward 2
Classic
This mode emulates the way Pro Tools worked in versions earlier than 5.0. With the Numeric Keypad Mode set to Classic, you can:
• Play up to two tracks of audio in Shuttle Lock mode. Press Control (Macintosh) or the Start key (Windows), followed by 0-9 for different play speeds. Press Plus or Minus to reverse di­rection.
• Recall Memory Locations by typing the Mem­ory Location number, followed by period.
Record 3
Play/Stop 0
With the Numeric Keypad Mode set to Trans­port, you can also:
• Play up to two tracks of audio in Shuttle Lock mode. Press Control (Macintosh) or the Start key (Windows), followed by 0-9 for different play speeds. Press Plus or Minus to reverse di­rection.
• Recall Memory Locations by typing period, the Memory Location number, and period again.
Chapter 5: Keyboard Shortcuts 41
Shuttle
(TDM Systems Only)
Pro Tools offers another form of shuttling, dif­ferent from that of Shuttle Lock Mode. With the Numeric Keypad Mode set to Shuttle, playback of the current Edit selection is triggered by press­ing and holding the keys on the numeric key­pad—playback stops once the keys are released. Various playback speeds are available in both forward and reverse. In this mode, pre/post-roll are ignored.
:
Function Key
1 X Forward 6
1 X Rewind 4
4 X Forward 9
4 X Rewind 7
1/4 X Forward 3
1/4 X Rewind 1
1/2 X Forward 5+6
1/2 X Rewind 5+4
2 X Forward 8+9
2 X Rewind 8+7
1/16 X Forward 2+3
1/16 X Rewind 2+1
Loop Selection (1 X) 0
With the Numeric Keypad Mode set to Shuttle, you can also:
• Recall Memory Locations by typing period, the Memory Location number, and period again.
Shuttle Lock mode is not available when the Numeric Keypad Mode is set to Shuttle.
Pro Tools Reference Guide42
Part II: Sessions & Tracks
43
44
Chapter 6: Sessions
This chapter covers some of the basics of start­ing a project in Pro Tools, including how to set up and save a Pro Tools session.

Starting Up Your System

In order for the components of your Pro Tools system to communicate properly with each other, you need to start them up in a specific or­der.
Start your Pro Tools system in this order:
1 For TDM systems with an expansion chassis,
turn on the expansion chassis.
2 Turn on external hard drives, if any. Wait ap-
proximately ten seconds for them to spin up to speed.
3 Turn on any MIDI interfaces and devices.
4 For TDM systems, turn on Pro Tools audio in-
terfaces. Wait at least ten seconds for them to initialize.
If you launch Pro Tools without turning on your audio interfaces, you will be prompted to turn them on. Allow about ten seconds for audio in­terfaces to power-up cycle before clicking OK.
5 Turn on your computer.
Once you have quit Pro Tools, shut down your Pro Tools system in this order:
1 For TDM systems, turn off audio interfaces.
2 For TDM systems with an expansion chassis,
turn off the expansion chassis.
3 Turn off your computer.
4 Turn off any MIDI interfaces and devices.
5 Turn off external hard drives.
Configuring Your System
When you first use Pro Tools, or when you change the physical input and output scheme for your system, you must configure the Hard­ware Setup in Pro Tools. This ensures that your audio hardware is appropriately configured and available in Pro Tools.
Host and RTAS Processing
Pro Tools LE uses host (CPU) processing to pro­vide audio track recording, playback, mixing, and effects processing. Pro Tools TDM can also use host processing to run RTAS plug-ins for ef­fects processing.
Pro Tools hardware setup allows you to set a hardware buffer and allocate a percentage of CPU resources for these tasks.
Chapter 6: Sessions 45
RTAS on Pro Tools TDM Systems
Pro Tools TDM Hardware Setup
On TDM systems, it is recommended that you set the hardware buffer size at 128 samples, and the CPU usage percentage at 65%. These settings are the system minimums, and they should al­low you to get good processing power from your RTAS plug-ins without slowing down the on­screen response of Pro Tools. These settings will work best on a fast computer (e.g. G4 or Blue & White G3).
On a slower TDM system like a Power Macintosh 9600 or a beige G3, you should increase these settings. The Hardware Buffer size can be set as high as 1024 samples, and the CPU usage per­centage can be set as high as 85%. This will in­crease the amount of processing you can get from RTAS plug-ins on slower systems.
In addition to slower screen redraws and and UI responsiveness, larger Hardware Buffer sizes can affect automation accuracy for plug-in parameters and mute data.
RTAS on Pro Tools LE Systems
On LE systems, it is recommended that you set the Hardware Buffer size to 128 samples, and the CPU Usage Limit to 65%. These settings are the system minimums, and they should allow you to get good processing power from your RTAS plug-ins without slowing down the on-screen response of Pro Tools. These settings will work best on a fast computer (such as a Power Macin­tosh G4 or fast Pentium III).
However, on a slower system, to get maximum track count and processing power, you should use a higher Hardware Buffer size and CPU Us­age Limit. At the maximum settings of 1024 samples and 85%, on most qualified systems, you should be able to get 24 audio tracks with plug-ins at these settings.
To configure the Hardware Setup:
1 Choose Setups > Hardware.
Hardware Setup dialog (Pro Tools TDM)
2 For systems with multiple interfaces con-
nected to multiple cards, select the Digidesign card type from the Card pop-up.
The following steps should be repeated for any additional cards with connected interfaces.
3 From the Interface port pop-up, select the port
to which your audio interface is connected (port A or port B).
Choose port A if only one audio interface is con­nected to the card. If two audio interfaces are connected to the selected card, follow the steps below for each port and interface.
4 From the Sample Rate pop-up, select a sample
rate.
Pro Tools Reference Guide46
5 From the Sync Mode pop-up, select the appro-
priate sync mode on the currently selected inter­face (Internal or Digital). In most cases you will use Internal. Digital is used primarily for input­ting digital audio from DAT or other digital sources.
6 From the Ch 1–2 Input pop-up, select the in-
put format of Channels 1–2 of the currently se­lected interface.
7 From the H/W Buffer pop-up, select the audio
buffer size, in samples, for host processing tasks such as RTAS plug-in processing. Select larger buffer sizes for slower computers.
8 From the CPU Usage Limit pop-up, select the
maximum percentage of CPU resources to allo­cate to host processing tasks. Select higher CPU usage percentages for slower computers.
9 Click Other Options for additional configura-
tion options specific to the audio interface. These include:
• Setting the input format (analog or digital) of each pair of input channels on a 888/24 I/O
• Configuring the level sensitivity and peak hold settings for the output level meters on the front panel of the 888/24 I/O
• Enabling DAC Muting (mutes the 888/24 I/O digital-to-analog convertors when its output level falls below a certain threshold, to reduce noise)
• Setting the input and output levels on an 882/20 I/O or a 1622 I/O
• Selecting S/PDIF compatibility with Tascam DA30 DAT recorders
10 Configure the Other Options parameters and
click Done.
Pro Tools LE Hardware Setup
To configure the Hardware Setup:
1 Choose Setups > Hardware.
Hardware Setup dialog (Pro Tools LE)
2 From the Sample Rate pop-up, select a sample
rate.
3 From the Sync Mode pop-up, select the appro-
priate sync mode on the currently selected inter­face. In most cases you will use Internal. S/PDIF (RCA) is used primarily for inputting material from a DAT or other digital sources. Optical (on Digi 001 systems only) is used primarily for in­putting material from an ADAT or other ADAT­lightpipe-equipped device.
4 From the H/W Buffer pop-up, select the audio
buffer size, in samples, for host processing tasks such as audio and MIDI track playback, mix au­tomation, and RTAS plug-in processing. Select larger buffer sizes for slower computers.
11 Click OK to close the Hardware Setup dialog.
Chapter 6: Sessions 47
5 From the CPU Usage Limit pop-up, select the
maximum percentage of CPU resources to allo­cate to host processing tasks. Select higher CPU usage percentages for slower computers.
6 Click Other Options for additional configura-
tion options specific to your system. These in­clude:
• Setting the input gain for analog inputs 3-8 on a Digi 001
• Setting the input gain for the analog inputs on an Audiomedia III
• Boosting the output gain for an Audiomedia III
• Enabling the Mic/Line High-Pass Filter for a Digi 001
• Selecting S/PDIF compatibility with Tascam DA30 DAT recorders
7 Configure the Other Options parameters and
click Done.
8 Click OK to close the Hardware Setup dialog.
Changing the Pro Tools Playback Engine
Pro Tools allows you to select different Playback Engines depending on your system configura­tion. The Playback Engine determines which Pro Tools card is used to for Pro Tools recording and playback features. Supported Digidesign cards include the Pro Tools MIX card, d24 card, Digi 001, or Audiomedia III card.
On TDM systems, the Playback Engine is also used to change the audio interface assignments for each card.
To change an audio interface assignment:
1 Choose Setups > Playback Engine.
Playback Engine dialog for Pro Tools MIX system
2 Choose the card you want to configure from
the Card pop-up menu.
3 If available, choose the port to which your au-
dio interface is connected from the Interface port pop-up.
Pro Tools Reference Guide48
4 Choose the audio interface connected to the
currently displayed card or port.
5 Set the Sample Rate, Sync Mode, and Channel
1–2 format for the audio interface.
6 Select the audio buffer size, in samples, for
host processing tasks.
7 Select the maximum percentage of CPU re-
sources to allocate to host processing tasks.
8 Click Other Options to configure additional
options for the audio interface.
A Pro Tools session created on one Pro Tools system configuration can be opened and used on a different Pro Tools system configuration. When you change the Playback Engine while a session is open, the session will be saved, closed and reopened to enable your new Playback En­gine choice.

Changing DAE Playback Buffer Size

The DAE Playback Buffer size determines the amount of memory allocated within DAE to manage disk buffers, which affects system per­formance.
DAE Playback Buffer Size dialog
If you change from a TDM-based Playback En­gine (MIX 64 Voice, MIX 32 Voice, or d24) to a Pro Tools LE -based Playback Engine (Digi 001 or Audiomedia III), you will lose any tracks, bus­ses, or I/O assignments that exceed the limits of the Pro Tools LE system. Any TDM plug-ins that do not have RTAS equivalents will also be made inactive.
Though DAE automatically selects the optimal Playback Buffer for your system, you may want to adjust this parameter to modify your system’s performance:
Allocating a larger buffer can sometimes allow
for a higher density of edits. This can be useful if you experience system performance problems in sessions with a large number of edits in rapid succession.
Allocating a smaller buffer can sometimes im-
prove playback/recording initiation speed. This can be useful if you are experiencing a time lag when you initiate playback/recording.
You should also note the following:
Choosing a smaller buffer can make it difficult
for slower hard drives to play or record tracks re­liably.
Choosing a larger buffer can cause a time lag
to occur before playback or recording begins. It can also cause a time lag to occur when you are editing during playback.
Chapter 6: Sessions 49
Macintosh
To change DAE’s Playback Buffer size:
1 If you are running Pro Tools, quit Pro Tools.
2 Locate and open DAE by double-clicking it. (It
is inside the DAE folder within your System Folder.)
3 From the DAE File menu, choose Set Playback
Buffer Size.
4 Adjust the buffer size and Click OK.
When you record a new audio track, the track is saved as a new audio file to the Audio Files folder. You can also import other audio files into the session, and work with them as well.
5 Quit DAE. The next time you open Pro Tools,
it will use the playback buffer size you have se­lected.
Windows
In Windows, you can change the DAE Buffer size from the Pro Tools application.
To change the DAE Buffer Size:
Choose Setups > DAE Buffer Size and adjust
the Buffer Size. Restart your computer for this change to take effect.

Creating a New Session

The first step in beginning a Pro Tools project is creating a new session. When you do this, Pro Tools automatically creates a new folder named for your session. Within this folder is the session file and two other folders, an Audio Files folder, and a Fade Files folder.
The Audio Files folder contains all audio re­corded during the session. The Fade Files folder contains any crossfaded audio data generated by the session.
Typical session folder
For details on allocating audio tracks to different hard drive locations, including shared media volumes, see “Disk Allocation” on page 117.
To create a new session:
1 Choose File > New Session.
New Session dialog
2 Choose the drive where you want to save the
session. The session should be created on a ded­icated audio drive.
Pro Tools Reference Guide50
3 Select “Enforce Mac/PC Compatibility” (Mac-
intosh) or “Enforce PC/Mac Compatibility” (Windows) if you want to create session and au­dio files that can be used in either Macintosh or Windows versions of Pro Tools. See “Creating Mac and PC Compatible Sessions” on page 107 for more information.
4 Select the audio file format for the session.
For optimum compatibility between Windows and Macintosh sessions, set the file type to WAV. SDII sessions are not supported on Win­dows systems, and Pro Tools prevents you from choosing SDII as the file type if Enforce Mac/PC Compatibility is selected.
5 Select the bit depth (16 bit or 24 bit) and the
sample rate.

Opening a Session

When you open a session, Pro Tools looks in the session directory for associated audio and fade files.
To open an existing session:
1 Choose File > Open Session.
6 Select the I/O Settings to use for the session.
Several pre-configured I/O Settings are included with your system, or you can select a custom I/O Setting that you have created. See Chapter 7, “I/O Setup” for more information.
7 Name the Session.
8 Click Save.
Choosing a Bit Depth
When choosing a bit depth for your session, consider the disk space and DSP mixing power your selection will require. 24-bit sessions oc­cupy about 50% more disk space. Fewer mixer channels are available with 24-bit sessions on TDM systems (see Appendix B, “TDM Mixing and DSP Usage”). On LE systems, 24-bit sessions require more processing power as well. It is not possible to combine different bit depths within a single session.
Open Session dialog
2 Locate the session you want to open and click
Open.
Opening a Session that Contains Unavaliable Items
You are prompted (see Figure 3) when opening a session that contains unavailable I/O, DSP re­sources, plug-ins, or unsupported tracks. This is common when transferring sessions to systems with different Digidesign hardware.
Figure 3. Opening a session with unavailable items
Chapter 6: Sessions 51
The dialog contains a summary of the missing session components. To save a text file contain­ing a more detailed report, along with the result­ing action, click OK in the dialog.
Following are some actions that may occur when opening a session with unavailable items:
Unsupported tracks for the current system are
discarded. These could be Movie tracks or multi­channel surround tracks.
Inserts assigned to unavailable plug-ins are
made inactive.
Inputs, outputs, and sends that are assigned to
unavailable paths, are dropped.

Saving a Session

You should save regularly while working on your session to ensure that your work is pre­served on your hard drive.
Speeding up Saves by Reducing the Disk Cache Size
(Macintosh Only)
To speed up session saves and disk bounces, it is recommended that you reduce the Cache Size (in the Memory Control panel) for your Macin­tosh to 512k.
Saving the Session File
The Save Session command saves the changes you have made to your session and writes them over the previously saved version of the file. The Save Session command cannot be undone.
To save a session:
Choose File > Save Session.
If you have made changes to a session since you last saved it, you can discard the changes and re­vert to its previously saved state.
To revert to the last saved version of a session:
Choose File > Revert to Saved.
Save Session As Command
The Save Session As command is useful for sav­ing a copy of the current session under a differ­ent name, or to a different hard drive location. Because the Save Session As command closes the current session and lets you keep working on the renamed copy, it is particularly useful if you are experimenting and want to save successive stages of the session.
By working this way, you can quickly retrace your steps should you want to go back to an ear­lier version of your session. By using the Save Session As command you are saving a new ver­sion of the session file only—not duplicate ver­sions of the audio or fade files.
To save a session under another name:
1 Choose File > Save Session As.
2 Enter a new name for your session and click
Save to save the session.
The renamed session document is saved in the session folder along with the original session. Any new audio files that you record in your re­named session will be placed into the same Au­dio Files folder that was created for your original session.
Pro Tools Reference Guide52
Saving a Copy of the Session
You can use the Save Session Copy In command to save a copy of the current session, along with a its audio files, to a different file and hard drive location. In addition, you can specify a session file format, audio file format, bit depth, and sample rate for the session copy.
Save Session Copy dialog
Unlike the Save Session As command, Save Ses­sion Copy In does not close the original session, so subsequent edits are made to the original ses­sion. Session copies can be used to archive im­portant sessions, or as a means to prepare ses­sions for transfer to another Pro Tools system.
Session Format
You can save the session copy in the following formats:
• Pro Tools 5.1
• Pro Tools 5
• Pro Tools 4. 16-bit
• Pro Tools 4, 24-bit
When saving 5.1 sessions to Pro Tools 5 or ear­lier, multi-channel tracks and multi-mono plug­ins are lost. When saving a 5.1 session to an ear­lier session format, make sure to first separate the tracks and plug-ins to individual mono tracks.
Session Parameters
Audio File Type
You can save the session as a WAV or AIFF ses­sion. You can also save a session as SDII format on the Macintosh.
NOTE: SDII sessions are not supported for Pro Tools in Windows. For this reason, you cannot set the session audio file type to SDII on the Mac­intosh if Enforce Mac/PC Compatibility is selected.
Using Mixed File Types
A session can use mixed audio file types. If your original session has mixed file types, they are not converted to a different file type unless you specify that they be converted. However, when using mixed file types, audio performance will be reduced (due to additional file handling re­quired for some file formats).
Bit Depth
You can save the new session at 16-bit or 24-bit depth. If your session is in a different bit depth, audio files are converted to the new session bit depth, and copied to the location you specify.
Chapter 6: Sessions 53
Sample Rate
Don’t Copy Fade Files
You can save the new session at 44.1 kHz or 48 kHz sample rate. If your session is at a differ­ent sample rate, audio files are converted to the new session sample rate, and copied to the loca­tion you specify.
Enforce Mac/PC Compatibility (Macintosh) Enforce PC/Mac Compatibility (Windows)
This setting forces Macintosh or Windows ver­sions of Pro Tools to create sessions and audio files that are usable on both platforms. For more information, see “Creating Mac and PC Com­patible Sessions” on page 107.
Items to Copy
Audio Files and Session Plug-In Settings Folder
When this option is selected, all audio files and the session’s Plug-In Settings Folder are copied to the new location. The references to these plug-in settings in the session are redirected to point to the copied files.
This setting is automatically selected if you are changing bit depth or sample rate, or copying a session on the Macintosh from SDII format to AIFF or WAV format with Enforce Mac/PC Com­patibility selected.
Force Audio Files to Native Session Type
This option ensures that all files in the new ses­sion are in the session file type you select, by converting files of different types to the session’s file format. Use this setting to avoid the reduced performance of a session with mixed file types.
This setting is automatically selected if you are changing bit depth or sample rate, or copying a session on the Macintosh from SDII format to AIFF or WAV format with Enforce Mac/PC Com­patibility selected.
With this option selected, Fade Files are not cop­ied to the new session Fade Files folder. When the session is launched, the Find Files dialog will prompt you to locate Fade Files. You can either locate the existing fades using the find file dia­log, or Skip All to let Pro Tools recreate the fades from the session document.
Root Plug-In Settings Folder
When this option is selected, the contents of the root-level Plug-In Settings Folder are copied into a folder named Place in Root Settings Folder, indi­cating that these files will need to be moved to the root level plug-in settings folder on the des­tination system before you can use them. The references to these settings files in the session are not redirected to point to the copied files.
Movie/Video Files (Macintosh Only)
When this option is selected, session movie files (QuickTime video files or AVoption or AVoption XL video files) are copied to the new location, and session references are updated to point to the copied movie files.
To save a session copy in a new location:
1 Choose File > Save Session Copy In.
2 Select “Enforce Mac/PC Compatibility” (Mac-
intosh) or “Enforce PC/Mac Compatibility” (Windows) if you want to create session and au­dio files that can be used in either Macintosh or Windows versions of Pro Tools. See “Creating Mac and PC Compatible Sessions” on page 107 for more information.
3 Choose a destination and type a name for the
new session file.
4 Select the session file type for the session copy.
Pro Tools Reference Guide54
5 Select the session parameters (audio file for-
mat, bit depth, and sample rate) for the session copy.
6 Select the Items to Copy to the new session.
7 Click Save to save the session in the new loca-
tion.

Creating Custom Session Templates

You can create custom session documents that are pre-configured to the track setups, mixer set­ups, window arrangements, and zoom level memory locations that you use most frequently. Doing this will save you the trouble of having to create your studio setup from scratch every time you start a new session.
Creating Macintosh Templates
5 Locate the session file that you just saved.
6 Click once on the file to select it.
7 Choose File > Get Info. A file information win-
dow appears.
Saving a session as a Stationery pad (Macintosh)
8 Click the Stationery Pad check box to save the
file as a template, then close the information window.
You can create a session template on the Macin­tosh by saving a session file as a Stationery pad document. Once a session is saved as stationery, it acts as a template that you can open and then resave as a normal session.
To create a custom session template:
1 Create a session and arrange the Pro Tools as
desired. You can also define the parameters within these windows, such as signal routings, insert and send configurations, track views, Ruler settings, and Preference settings.
2 Choose File > Save Session.
3 Name the session and click Save.
4 Close the session.
To use this template, double-click it or open it with the Open Session command if you are al­ready running Pro Tools. You can create several custom templates for studio setups that you fre­quently use.
When you open a session saved as a Stationery pad, Pro Tools gives you the option of editing the template or starting a new session using the template settings. If you choose New Session, Pro Tools will create a new folder containing a copy of your session template and Audio and Fades folders.
Chapter 6: Sessions 55
Creating Windows Templates
In Windows, you can create a session template by making a session file a Read Only document.
To create a custom session template in Windows:
1 Create a session and arrange the Pro Tools as
desired. You can also define the parameters within these windows, such as signal routings, insert and send configurations, track views, Ruler settings, and Preference settings.
2 Choose File > Save Session.
To use this template, double-click it or open it with the Open Session command. When you first save the session, Pro Tools will ask you to give the session a new name. Your original ses­sion template will remain unchanged.
To modify the session template, you will need to reopen its Properties, deselect the Read Only op­tion and select the Archive option, make your modifications, then change it back to a Read Only file.
3 Name the session and click Save.
4 Close the session.
5 Locate the session file that you just saved.
6 Right-click the file and choose Properties.
7 Under Attributes, deselect Archive and select
Read Only.
Making a session a Read Only file (Windows)
8 Click OK.

Closing a Session

Because Pro Tools allows you to work on just one session at a time, you must close the current session if you want to work on another. The Close Session command closes your current Pro Tools session but leaves the Pro Tools appli­cation open. You can save your work using the Save Session or Save Session As command before closing the current session.
To close a session:
Choose File > Close Session.
Quitting Pro Tools
Although Pro Tools will warn you before allow­ing you to quit without saving changes, you should generally save your work before quitting.
To quit Pro Tools on the Macintosh:
Choose File > Quit.
To exit Pro Tools in Windows:
Choose File > Exit.
Pro Tools Reference Guide56
Sharing Sessions between Pro Tools TDM Systems and Pro Tools LE Systems
Pro Tools makes it easy to share sessions be­tween Pro Tools LE and TDM-equipped systems. There are some important differences between the two types of systems that can affect how ses­sion material is transferred.
Differences between TDM and LE systems
Feature TDM Systems LE Systems
Number of Tracks
Number of mix busses
Inserts per Track
Sends per Track
up to 128 limited to 24
64 busses 16 busses
up to 5 inserts up to 5 inserts
up to 5 sends up to 5 sends
When opening a TDM session in Pro Tools LE, the following rules apply:
Any tracks beyond the first 24, as well any in-
active tracks, are discarded.
Multi-channel surround tracks are discarded.
Any assignments to busses beyond 16 are
made inactive.
Input and output paths not available are dis-
carded.
TDM plug-ins with RTAS equivalents are re-
tained; those without equivalents are made in­active.
Chapter 6: Sessions 57
Pro Tools Reference Guide58
Chapter 7: I/O Setup
The I/O Setup dialog provides tools to label, for­mat, and map Pro Tools input, output, insert, and buss signal paths.
Understanding Paths and I/O Setup
What is I/O Setup?
During sessions, audio is routed using the track input, output, insert, plug-in, and send selec­tors. The selectors let you assign tracks to hard­ware outputs and inputs, internal busses, and other Pro Tools signal paths. The signal path choices available in Pro Tools sessions are based on the current I/O Setup.
The I/O Setup dialog lets you name and define input, output, insert, buss, and SampleCell path so that Pro Tools best suits the needs of your projects. For example, renaming Input 1 to Kick In. (SampleCell paths are available on TDM­equipped systems only.)
A path is a logical grouping of multiple inputs, outputs or busses that has a single name and (channel) format. In Pro Tools, paths are similar to stems, known to the film and video industries (see “Stems and Stem Mixes” on page 61 for more information).
Each Pro Tools system can have a different I/O Setup configuration, determined by:
• Whether it is a Pro Tools LE system, or a TDM­equipped Pro Tools system
• The number and types of audio interfaces (TDM systems only)
• The Mixer plug-in currently installed (Sur­round, 24-bit, or 16-bit)
Each Pro Tools session retains its path configu­rations as I/O Settings. The I/O Settings saved with the session are loaded into Pro Tools auto­matically when the session is opened. Unavail­able items, including hardware, paths, or re­quired resources) remain in the session as inactive items (see “Active and Inactive Paths” on page 68).
Chapter 7: I/O Setup 59
When you create new sessions you can specify a default I/O Setup configuration, including pre­sets s for stereo or multi-channel mixing formats (multi-channel mixing requires a Pro Tools 24 MIX system)
The I/O Setup dialog lets you customize signal path, as well as save and load I/O Settings files.
Paths in Sessions
Paths comprise the lists of available choices in track I/O selectors and other menus.
Paths and I/O Setup
The signal routing choices available in track se­lectors are defined in the I/O Setup dialog.
Track Input and Output selectors, Digi 001
Track Input and Output selectors, TDM
I/O Setup dialog, Output paths, on a Digi 001 system
I/O Setup dialog, Output paths, on a TDM system with two interfaces
Pro Tools Reference Guide60
Main Paths and Sub-Paths
Paths in the I/O Setup dialog include main and sub-paths.
Main Paths
Main paths are logical groupings of inputs, in­serts, busses or outputs. For example, Main Out is often the name of a master stereo output. Sometimes appended with “L/R” for left/right, this is an example of a signal path named by its content (the main stereo mix).
Sub-Paths
Multi-channel settings files are available for Pro Tools 24 MIX systems. These settings pro­vide specialized path definitions for surround mixing. See “Configuring Pro Tools for Multi­Channel Sessions” on page 426.
Defaults
Default names for input, output, and insert paths are based on your audio interfaces.
Pro Tools LE Default path names are based on hardware and operating mode. Digi 001 pro­vides several I/O modes for selecting from its va­riety of analog and digital input and outputs.
A sub-path represents a signal path within a Main Path. For example, a default stereo output path consists of two mono sub-paths, left and right. Mono tracks and sends can be routed to either mono sub-path.
Stereo main path
mono sub-path
mono sub-path
Main and sub-paths in the I/O Setup Channel Grid
Preset I/O Settings
Default path definitions are installed automati­cally by Pro Tools, so you can begin recording and mixing without requiring any configura­tion of the I/O Setup dialog. Default I/O Settings files configure the I/O Setup dialog with a com­bination of mono and stereo path definitions of all types, depending on your system and hard­ware configuration. As mixing and signal rout­ing needs require, you can customize the I/O Setup configuration in numerous ways (see “The I/O Setup Dialog” on page 62).
Pro Tools TDM Systems Default path names are based on audio interface names and channels.
Stems and Stem Mixes
The use of stems and stem mixes originated in the post-production industry as ways to orga­nize and manage elements of a mix by type or content.
For example, a film mix often requires a stem mix for Foley, a stem mix for sound effects, a stem mix for dialog, another for music, and so on. The dialog stem (for just one example) con­tains all the dialog elements, mixed relative to each other. Dialog can then be mixed with the other stems during the final mix of the scene or reel. The final mix is simplified (somewhat) by the ability to control the level of each each stem, rather than the multitude of individual tracks that comprise a typical film mix.
In Pro Tools, you can work with main and sub­paths as you would stem mixes. These can be as­signed as needed, including the ability to assign multiple outputs to tracks and sends. See “Mul­tiple Output Assignments” on page 337 for more information.
Chapter 7: I/O Setup 61

The I/O Setup Dialog

The I/O Setup dialog defines Pro Tools input, output, insert, and buss paths.
Path Type selector
Format Selector
Active/Inactive
Expand/Collapse
Main and Sub-Paths
Figure 4. I/O Setup dialog on a Digi 001 system
To open the I/O Setup dialog:
1 Make sure your audio interfaces are enabled
and configured properly in the Playback Engine dialog.
2 Choose Setup > I/O Setup.
To open the Input, Output, Insert, Buss or SampleCell window in I/O Setup:
Click the appropriate tab at the top of the I/O
Setup dialog.
Channel Grid
Path Tools
Closing the I/O Setup Dialog
You can click Cancel at any time to close the I/O Setup dialog. However, when you click OK Pro Tools must check several settings for routing validity (to prevent feedback loops and other possible dangers). If there are any overlapping or otherwise invalid settings, you will be re­quired to correct them before the I/O Setup dia­log will close. For more information, see “Initial­izing I/O Setup” on page 67.
Pro Tools Reference Guide62
Controls in I/O Setup
This section provides an overview of the con­trols available in the I/O Setup dialog.
Path Type Tabs Selects the type of I/O to config­ure. Choices are Inputs, Outputs, Busses, Inserts or SampleCell. (SampleCell paths are available on TDM-equipped systems only.)
Path Selection Column (Shows paths that are currently selected.
Expand/Collapse Paths Shows/hides the Sub­paths associated with a Main Path.
Path Name Column Shows the user-defined names of each defined path.
Active/Inactive Column Shows the active/inac­tive status of each path.
Path Format Popup Shows the selected type/for­mat (mono, stereo, 5.1, etc.) of each defined path.
Channel Grid Maps paths to specific I/O units and channels.
Path Tools The New Path, New Sub-Path, Delete Path, and Default buttons are used to customize the I/O Setup configuration.
Show Original Setup An additional button (Show Original Setup) is displayed in the I/O Setup di­alog in certain session transfer situation. For de­tails on this feature, see “Show Original and Show Current Setup” on page 70.
Default Options These four popup menus select default Metering Path, Audition Path (Regions List previewing), Output Path (for new tracks), and default channel order. See “Default Output, Metering, Audition, and Path Order” on page 72.

Creating and Editing Paths

The I/O Setup dialog lets you create and custom­ize signal path definitions.
Paths can be:
• Renamed, for easier identification after changing or renaming audio interfaces
• Remapped, to or from different sources or des­tinations
• De-activated (or re-activated) to manage un­available or unnecessary I/O resources
• Deleted
In addition, you can import and export your I/O Setup configurations as I/O Settings files, as well as set numerous default path parameters
The following table lists the available path at­tributes for each path type.
Path Options by Type
Path Type Path Attributes
Input Names, formats, and source
channel (analog or digital audio interface, or CPU input)
Output Names, formats, and destination
(audio interface output channel or internal send bus)
Insert Names, formats and destination
(audio interface channels)
Buss Names and formats
SampleCell Input names
Chapter 7: I/O Setup 63
Creating a Default Main or Sub-Path
You can add default paths to your current I/O Setup at any time.
To add default mono or stereo paths:
1 Select a main or sub-path.
2 Click Default.
Pro Tools creates all possible stereo main paths. Mono sub-paths are also auto-created for every stereo main path. The path names are appended with their associated format (mono or stereo) in parenthesis.
Default stereo output paths
To optimize mixer and DSP resources, it’s best to create mono Sub-Paths for Outputs and Busses, rather than create mono main Paths.
Creating New Paths
4 Double-click in the Name field and enter a
name for the path. (The path name is what is listed in Pro Tools track routing selectors.) Press Tab to move to the next editable field, or press Enter to set the new path name (pressing Return will close the I/O Setup dialog).
5 Choose a format from the Path Format selec-
tor. (Path format controls whether the path is mono or stereo, or multi-channel):
Path Format selector
6 Configure other Path types (Input, Output, In-
sert, Bus, or SampleCell) and configure them us­ing the same techniques described in the previous steps.
7 Click OK (or press Return) to close the
I/O Setup dialog. If there are any overlapping or identically named paths, you will be instructed to correct them before the I/O Setup dialog will close. For more information, see “Initializing I/O Setup” on page 67.
Multi-channel paths and mixing are ex­plained in Chapter 31, “Pro Tools Setup for Surround.”
You can create new main and sub-paths with custom names, format and mapping.
To create a new path:
1 Choose Setups > I/O Setup.
2 Click the Input, Output, Insert, Buss or Sam-
pleCell tab to display the appropriate path win­dow.
3 Click New Path, or press Command+N (Mac-
intosh) or Control+N (Windows). Or, select a Main Path and click New Sub-Path.
Pro Tools Reference Guide64
Selecting and Editing Paths
Individual and multiple paths can be selected in the I/O Setup dialog Path Name column. Once selected, paths and sub-paths can be moved higher or lower to sort their listing in track Path selectors, renamed, remapped, or reformatted. Paths can also be deleted. Sub-paths follow their main paths when editing in the I/O Setup dia­log.
To select a main or sub-path:
Click the Path Name.
To select multiple main and/or sub-paths:
Shift-click the desired Path Names.
To rearrange the Path Column:
Drag the path name to a new column.
To reset path names:
1 Select paths in the Input or Output windows
of the I/O Setup dialog.
2 Click Default.
Assuming there are matching paths available with the new system configuration, existing paths will be updated to include new audio in­terfaces (TDM systems), or I/O mode selection (Digi 001 only).
TDM Audio Interface Names
With TDM-equipped Pro Tools systems, audio interfaces can be custom named in the I/O Setup dialog. The I/O Setup dialog bases de­fault path names on the name shown above the graphic representation of each interface.
Selecting paths in the I/O Setup dialog
Reset Paths
The Default button in the I/O Setup dialog pro­vides two primary functions:
• Creates new, default paths up to the capacity of your system’s available audio interfaces and resources. See “Creating a Default Main or Sub-Path” on page 64.
• Resets selected path names to matching or corresponding paths in the current I/O Setup configuration. For example, if you change modes on Digi 001, or replace an audio inter­face on a Pro Tools 24 MIX system, you can use the Default switch to update your I/O Setup definitions with the new hardware configuration (for path naming).
On TDM systems, audio interface names can be customized. See “To reset path names:” on page 65.
To rename an audio interface in the I/O Setup dialog:
Double-click the text above an interface, enter
a new interface name, and press Enter.
Interface name
Interface name
Chapter 7: I/O Setup 65
Deleting Paths
Channel and I/O Status Display
Path definitions can be deleted from the current session to reflect changes to your hardware setup, or to clean up track selector menus by re­moving unwanted or unnecessary path defini­tions. After deleting a path, any tracks or send assignments to it are reset to No Output.
To delete a main or sub-path:
1 In the I/O Setup dialog, select the path you
want to delete.
2 Click Delete Path.
Channel Mapping
Once a path has been created and formatted, it can be mapped to specific audio interface, bus, or SampleCell channels in the grid.
To map channels:
1 Select a main or sub-path.
2 In the row for the selected path, click in the
grid column under the desired audio interface and channel. Other channels, if any, fill to the right.
The channel grid uses different shades of gray to highlight different I/O status:
White Indicates channels available for the path.
Medium Gray Indicates I/O that overlaps with
other path definitions (possible with Output and Bus path arrangements, though with limita­tions as described below).
Dark Gray Indicates channels that are unavail­able for sub-path assignment.
Light Gray Indicates extra space beyond recog­nized audio interfaces.
See “Valid Paths and Requirements” on page 67 for details.
Note for Session Transfer
Pro Tools shows paths for unavailable I/O until they are explicitly re-assigned to valid paths, or deleted. See “Active and Inactive Paths” on page 68 for more information.
Mapping channels
For example, when mapping a new stereo path, clicking in the path row under output channel 1 fills both channel 1 and 2 (left to 1, right to 2).
Pro Tools Reference Guide66
Surround Mixer Example
(Pro Tools 24 MIX Systems Only)
When mapping multi-channel paths, L is mapped first to the clicked grid box, and re­maining channels fill immediately to the right according to the default path order. Because some multi-channel mixing formats use unique track layouts, Pro Tools lets you set the default format in the I/O Setup dialog (see “Default Output, Metering, Audition, and Path Order” on page 72).
Customized Output Paths for a 5.1 mix?
Re-Mapping Channels
You can move the individual assignments to dif­ferent channels, to re-order the path’s definition as L-R-C-Sub-LS-RS, for example.
Sub-Paths follow Main Paths
When a main Path is remapped, its sub-paths (if any) will remap automatically to maintain con­sistent routing. For example, remapping a stereo path to different hardware outputs results in any of its sub-paths moving with it.
Initializing I/O Setup
To set the current I/O Setup configuration:
Click OK in the I/O Setup dialog.
All paths must be valid before the I/O Setup con­figuration can be applied.
Valid Paths and Requirements
While configuring the I/O Setup window, cer­tain rules apply for path definition and channel mapping.
Though it is possible to set up invalid mappings in the channel grid, Pro Tools will not accept (OK) an I/O Setup configuration unless all paths meet the path definition and channel mapping requirements described below.
To re-map channels in a path:
Drag the channel to the new location in the
grid. Other channel assignments will move (shuffle) to accommodate dragged channels.
Channel Shuffling
Moving a signal from right to left results in a shuffle of other signals after the new destination channel. Moving a signal from left to right shuf­fles any and all signals after the new destination channel and leave the previous channel empty.
Changing a Path’s format erases any cur­rent channel mapping.
Minimum Path Definitions
All paths must have a name, be of a specific for­mat, and have a valid I/O mapping.
Overlapping Channels and Valid Paths
Channel mapping follows certain rules regard­ing overlapping paths.
There can be no partial or complete overlaps
between any two main Output Paths, any two Insert Paths, or any two main Bus Paths.
Chapter 7: I/O Setup 67
A newly created Output or Bus Path must ei-
ther be completely independent (mapped to any other available I/O interface/channels) of other paths, or it must be a sub-path completely contained within a larger path (for example, an LCR sub-path within a larger 5.1 path).
Output and Insert Paths can overlap in I/O
Setup, but only one or the other can be used at any given time in a session. (Inputs and Sample­Cell paths, however, can be routed to multiple tracks.)
Active and Inactive Paths
Pro Tools paths can be Active (on) or Inactive (off, or unavailable). You can manually switch paths between Active or Inactive on a per track or session-wide basis. In addition, Pro Tools sets paths to Inactive automatically when I/O is un­available.
Track Path Assignments Track input, output
and buss path assignments can be switched to Inactive using the appropriate selector on the desired track. Doing so leaves track playlists in­tact, while disconnecting that particular track from the output or buss path. Use this to remove a track from a signal path.
Session-Wide Paths can be globally activated or de-activated in the I/O Setup window. Use this to turn off a signal path on any and all tracks currently assigned to it. Pro Tools also sets un­available paths to inactive. Paths can be unavail­able when hardware or other system resources are unavailable, such as when opening a session last saved on a different system.
Active and Inactive Path Assignments
To toggle a track path assignment to Active or Inactive:
In the Mix (or Edit) window, Command-Con-
trol-click (Macintosh) or Control-Start-click (Windows) the track’s Input, Output, Insert, or Send Selector.
Inactive track path assignments are indicated with an asterisk (*) in its track selector menu. (Paths set to globally inactive in the I/O Setup window are listed in italics.)
Toggling All or All Selected
The Option/Option + Shift modifiers apply the path toggle to all or all selected tracks, respec­tively. However, Pro Tools will only apply the change to identical path assignments, if any, in the current track or tracks. In other words, tog­gling multiple tracks only affects tracks that have the same path assignment as the one you are explicitly toggling.
Toggling Multiple Paths
If a track has only one main output assignment, you can Command-Control-click (Macintosh) or Control-start-click (Windows) the track’s Output Selector to toggle the main output to in­active. When there are multiple assignments, the track selector will be displayed for you to specify the input, output, insert, or bus path.
If a Send (A - E) has multiple output assignments and one of those is toggled, then all of the out­put assignments for that Send (A - E) will be tog­gled.
Pro Tools Reference Guide68
Session-Wide Inactive Paths
Path can be globally configured for Active or In­active status in the I/O Setup Dialog.
Display of Active and Inactive Status
Unhighlighted Indicates that the path is inactive.
The text associated with this Path becomes ital­icized.
Highlighted (non-italics) When highlighted, and when the Path name is listed in plain text (non­italics), indicates the path is active.
Highlighted (italics) When highlighted, but the that Path name is italicized, it indicates that the path is active, but not enough system resources are available.
Inactive
Inactive paths are displayed in italics in the track path selectors.
Active and inactive paths in a track output selector
Hardware Setup and Session Transfer
Sessions created in Pro Tools 5.1 and later store the type and order of audio interfaces connected and active when the session was last saved.
Active
Active and inactive path settings in I/O Setup
To globally de-activate or activate a path:
1 Choose Setup > I/O Setup.
2 Select the appropriate Path type using the tabs
at the top of the window.
3 For the desired (or, undesired) path, set the Ac-
tive/Inactive control to the appropriate choice.
Any track path assignment can also be de­activated on a per-track basis. See “Active and Inactive Paths” on page 68
Unavailable I/O
When opening any session, Pro Tools checks to see if the hardware configuration has changed since the session was last saved. If the current hardware configuration differs from that saved in the session, paths associated with the un­available I/O are made inactive.
Remapping
Remapping occurs when a session’s original I/O Setup does not match that of the current system and session paths are remapped to cur­rent hardware.
Systems of equivalent I/O capability are remapped directly. For example, a session tracked to a Pro Tools 24 MIX system through two 888/24 I/0 Audio Interfaces would include 16 Input paths spread across the two 8-channel interfaces. Later, the session is taken to a differ­ent Pro Tools system that has a single 1622 Au­dio Interface (a 16-channel I/O unit) for addi-
Chapter 7: I/O Setup 69
tional editing. When the session is first opened on the 1622-equipped system, Pro Tools maps those input paths to the most appropriate in­puts of the 1622, left-to-right. (Mapping will de­pend on mono and stereo track format and ar­rangement in the Mix and Edit windows.)
When hardware is unavailable to a session being opened, assignments can either be replaced us­ing the remap option, or opened as Inactive. Any tracks left assigned to an unavailable path will not be audible. This can beneficial, how­ever, when you want to re-assign tracks into your system’s mix one at a time.

I/O Settings Files

I/O Settings can be managed when transferring sessions, and when developing I/O Setup con­figurations over the course of multiple sessions and projects.
Defaults, Settings Files, and Last Used Settings for New Sessions
When creating new sessions, you can select the session’s I/O Setup configuration from among numerous options:
See “Active and Inactive Paths” on page 68 for more information.
Show Original and Show Current Setup
When a session is opened that contains path definitions for unavailable I/O modules, the I/O Setup dialog lists those paths in italics.
The Show Original Setup button displays the au­dio interfaces used in the original session. This temporary display lets you check the original I/O configuration for reference while configur­ing the session for your system.
Once a session has been opened with unavail­able I/O retained, you can then re-assign tracks to available I/O paths.
To redefine the paths, see “Creating and Editing Paths” on page 63.
Default I/O Setups The Pro Tools Installer pro­vides factory presets for stereo and surround I/O Setups (surround mixing is only supported on Pro Tools 24 MIX systems). See “Factory I/O Set­tings Files” on page 71 for more information.
Custom Presets You can store and recall custom presets using the export and import features of the I/O Setup dialog.
Last Used The most recent (or, last used) I/O Setup configuration is saved as a Last Used settings file. See “Last Used” on page 71 for more information.
Default I/O Settings at First Launch
The first time you create a session, you can choose default Stereo Mix or Surround Mix set­tings, depending on your system and installa­tion choices. See “Factory I/O Settings Files” on page 71.
Pro Tools Reference Guide70
Importing and Exporting I/O Settings Files
You can export and import I/O Setup configura­tions as I/O Settings files. This lets you save set­tings for different projects, import settings for quick reconfiguration, and manage Path defini­tions and signal routing setups.
To export and save an I/O Setup configuration:
1 Click the Export Settings button.
Do Not Delete Existing Paths Pro Tools adds ses-
sion paths to the current system’s I/O Setup If you cancel the remap option, the original I/O assignments remain in the session. Unavailable I/O results in paths opening as Inactive. In the session, you can then re-assign tracks to avail­able paths as needed, based on their original (and inactive) I/O Setup and hardware configu­ration. See “Active and Inactive Paths” on page 68 for more information on utilizing inac­tive paths.
2 Name and save the settings file.
To start sessions with a blank or empty I/O Setup dialog, you must create and ex­port a user setting file in which all defini­tions have been deleted.
Importing I/O Settings
I/O Settings can be imported into the current session. When doing so, you can choose to de­lete your system’s existing (last used) path defi­nitions and replace them with settings being im­ported. Or, you can retain both your current and imported settings. Imported paths are added to the current configuration.
To import an I/O Settings file:
1 Click Import Settings in the I/O Setup dialog.
2 Select the desired settings file in the dialog.
3 You will be asked whether you want to delete,
or retain, existing paths:
Delete Existing Paths Pro Tools remaps the orig­inal session path definitions to your current hardware setup of audio interfaces, left to right. The session will no longer have any references to or record of the original I/O assignments. When old path definitions are deleted, associ­ated assignment and automation data is also de­leted.
Last Used
If any changes are made to the I/O Setup dialog during a session, these changes are saved to the Last Used settings file when the I/O Setup dialog is closed.
Changes to I/O Setup are only saved in the cur­rent session, when the session is saved. User Pre­sets files will not contain recent changes unless you explicitly export an updated settings file.
The Last Used settings are available as a choice (or default) when creating or opening sessions, in addition to the factory presets described be­low.
Factory I/O Settings Files
Pro Tools provides I/O Settings files for Stereo and Surround mixing. These files provide ge­neric Main and Sub-Path definitions for either mixing format.
Stereo Mix Settings File
The Stereo Mix preset consists of all possible ste­reo and mono paths for your session.
Using the “Stereo Mix” preset has the same effect as hitting the Default Button for every individual tab in I/O Settings. See “Creating and Editing Paths” on page 63 for details.
Chapter 7: I/O Setup 71
Specifically, the Stereo Mix preset will create the maximum number paths of each type, as deter­mined by the available system’s I/O Setup and hardware configuration.
Surround Mix Settings File
The Surround Mix provides additional, sur­round-specific Output and Bus presets: See “Sur­round Mix Settings Files” on page 427 for more information.
3 Command-Option-click (Macintosh) or Con-
trol-Start-click (Windows) the Output Selector of the left-most track and assign it to the sub­path for Output #1. All visible tracks will be auto-assigned to unique mono sub-path outputs in ascending order.

Default Output, Metering, Audition, and Path Order

About Direct Out Mode
Direct Outputs mode, as found in previous ver­sions of Pro Tools, has been replaced by the de­fault mono sub-paths available through all valid I/O in the I/O Setup dialog.
The Default switch creates main Output paths with appropriate mono sub-paths. These sub­paths provide discrete monophonic routing.
When a session is opened that was saved in Di­rect Outputs mode, Pro Tools maps all the out­put assignments to equivalent mono sub-paths (as available). See “Hardware Setup and Session Transfer” on page 69 for more information on remapping.
To convert a session so that it emulates Direct Outs mode, use the Auto Assign Ascending Out­puts feature:
To Auto Assign track outputs for Direct Out:
1 Make sure that all tracks are visible if desired
(because the hidden tracks will not be affected).
2 Select all desired tracks (Shift-click each track
name).
Pro Tools systems running the Surround mixer have additional I/O Setup features. These in­clude default signal routing for metering and au­ditioning, and default track layout for multi­channel mix formats.
Default Output Path
You can specify the default Output path assign­ment for new tracks, in each available format.
To specify a default Output:
Select a format and Output path from the De-
fault Output selector.
Selecting default Output paths
Audition Path
The Audition Path is the output path through which file and regions are previewed in the Re­gions List.
To audition regions in the Regions List:
Option-click (Macintosh) or Alt-click (Win-
dows) the region in the list.
Pro Tools Reference Guide72
Using Default Audition Path
When you audition a file or region in the Re­gions List, Pro Tools routes the audition through the Audition path. Pro Tools assigns a default Audition Path to the first main Output Path of the given format available. As an alter­native, you can pre-configure Region List pre­viewing using the Audition Path selector in the I/O Setup dialog.
Configuring Audition Paths
You can specify the monitoring outputs for Re­gions List auditioning on a per-format basis us­ing the Audition Paths menu.
Audition Path Main Menu The main menu con­sists of all Path format choices available on the current system (Mono and Stereo on all systems, LCR and greater on surround-capable systems).
Audition Path Submenus Each Path format choice has a submenu listing Output Paths of that given format. (The mono submenu lists Output Paths of any format.)
To configure Audition Paths:
Select the desired path from the Audition
Paths menu or submenus.
Auditioning Discrete Signals in Multi-Channel Items
In the Audio Regions List, multichannel regions are auditioned through the current Audition Path. Signals can be auditioned “in-place,” or through all outputs as described below.
Audition In-Place
When auditioning a mono component of a multi-channel region, that mono component will by default be auditioned in place. That is, it will play out the corresponding speaker channel of its parent multi-channel region.
To audition in-place:
1 In the Regions List, make sure the stereo or
multi-channel region is in expanded view (showing.L,.R and other component channels).
2 Option-click (Macintosh) or Alt-click (Win-
dows) the region for the desired channel.
Audition to All Outputs
Mono regions can be routed equally to all out­puts of the parent region’s Audition Path.
To audition through all channels of the main audition path:
Shift-Option-click (Macintosh) or Shift-Alt-
click (Windows) on the signal in the Regions List.
Selecting default Audition Paths
Chapter 7: I/O Setup 73
Default Path Order
The Default Path Order selector lets you select the default track layout you want Pro Tools to follow when creating and mapping 5.1-format main or sub-paths in the I/O Setup dialog.
This setting does not affect existing Path defini­tions or metering—it only specifies channel mapping in new 5.1-format paths.
To choose a Default Path Order:
Select the channel mapping from the Default
Path Order menu.
Default Path Order selector
For more information about multi-channel mix­ing, see Chapter 31, “Pro Tools Setup for Sur­round.”
Metering
(ProControl Users Only)
The Meter Path selector determines the path dis­played across the ProControl Output meters. See the ProControl Addendum for Pro Tools 5.1 for more details.
Pro Tools Reference Guide74
Chapter 8: Tracks
This chapter covers basic track management tasks such as creating and deleting tracks, as­signing voices and output channels, and group­ing tracks.

Track Types

In a Pro Tools session, you can have several dif­ferent types of tracks. These can include audio tracks, Auxiliary Input tracks, MIDI tracks, and Master Fader tracks. On a Macintosh system, a session can have a QuickTime, AVoption, or AVoption XL Movie track.
QuickTime Movie track features are de­scribed in Chapter 36, “Working with QuickTime Movies.”
Audio Tracks, Auxiliary Input Tracks, and Master Fader Tracks
Pro Tools provides mono, stereo, and multi­channel format audio tracks, Auxiliary Inputs, and Master Faders.
Audio Track
Audio tracks contain arrangements of recorded (or imported) audio files.Audio tracks can be mono, stereo, or multi-channel surround (Pro Tools 24 MIX systems only).
Auxiliary Input Track
Auxiliary Input tracks can be used as effects sends, destinations for alternate mix, as a bounce destination, and for many other audio routing tasks.
Master Fader Track
Master Fader tracks control the overall level of the audio tracks that are routed to the session’s main outputs.
MIDI Tracks
MIDI tracks store MIDI note, instrument, and controller data. There is no option for selecting the track format when you create a MIDI track, because audio does not pass through it.
Chapter 8: Tracks 75
Track Formats
Mono
A mono audio track, Auxiliary Input, or Master Fader track controls volume, and, in some cases, panning, for a single channel of audio. A mono track uses a single voice.
With slight variations, audio track channel strips in the Mix window look like the following mono audio track. Stereo audio tracks have two level meters and two pan controls, and multi­channel tracks (3–8 channels) have one level meter for each audio channel.
Stereo
A stereo audio track, Auxiliary Input, or Master Fader track is a single channel strip that plays two channels of audio as a stereo pair. Stereo tracks use two voices.
Multi-Channel Surround (Pro Tools 24 MIX Systems Only)
A multi-channel track is a single channel strip that plays multiple channels of audio (from 3–8 channels at a time). This allows Pro Tools to support multi-channel mixing formats includ­ing 3+1, 5.1, 6.1, and others.
For more information on surround mixing with Pro Tools, see the following chapters:
• Chapter 31, “Pro Tools Setup for Surround”
• Chapter 32, “Multi-Channel Tracks and Signal Routing”
• Chapter 33, “Surround Panning and Mixing”
Inserts
Sends
Input/Output
Automation Mode
Record Enable/Solo/Mute/Voice
Pan Slider
Open Output window
Group ID
Volume Fader
Level Meter
Track Type Indicator
Track Name
Track Comment
Audio track channel strip
Pro Tools Reference Guide76

Creating Tracks

On all systems, you can create mono and stereo tracks with the New Tracks command. In addi­tion, on Pro Tools MIX or MIXplus systems, you can create multi-channel tracks.
3 Select Mono or Stereo (or one of the multi-
channel surround formats) from the Track For­mat pop-up menu. Surround formats only ap­pear for Pro Tools 24 MIX systems.
4 Enter the number of new tracks, then click
Create.
Before you create new tracks:
For new tracks to appear next to a specific
track in a session, select that track by clicking its name. The new tracks are added immediately af­ter the selected track.
For new tracks to appear as the last tracks in a
session, make sure that no track names are se­lected on-screen.
To create a new track:
1 Choose File > New Track.
Track Format
# of new tracks
New Track dialog (audio track)
2 Select from the Track Type pop-up menu the
Track Type
type of track you want to add. For explanation of track types, see “Track Types” on page 75.
5 To configure which track controls appear in
the Mix window or Edit window, select from Display > Mix Window Shows and Display > Edit Window Shows.
Naming Tracks and Adding Track Comments
Track names are used to auto-name recorded au­dio files and regions (see “Track Names” on page 116).
To rename a track or add comments:
1 In the Edit window or Mix window, double-
click the Track Name button for the track you want to rename.
2 In the Track Name/Comments dialog, type a
new track name.
To auto-scroll the Track Type pop-up in the New Track dialog, press Command (Macin­tosh) or Control (Windows) and use the Up/Down Arrow keys.
Track Name/Comments dialog
Chapter 8: Tracks 77
3 Click Previous or Next to rename another dis-
played track.

Hiding Tracks

To switch tracks in the Track Name/Com­ments dialog, you can press Command (Macintosh) or Control (Windows) and use the Up/Down Arrows.
4 If desired, type comments for the track in the
Comments text box.
To enter a carriage return in the Track Com­ments text box, type Shift+Return (Macin­tosh) or Shift+Enter (Windows) on the al­pha keyboard.
5 When you are finished, click OK.
Deleting Tracks
When you delete tracks, your audio or MIDI re­gion data will remain in the Regions List, but your arrangement of the regions on the deleted track (the track’s playlist) will be lost. The Delete Selected Tracks command cannot be undone.
To delete a track:
1 Click the name of the desired track to select it.
If you wish to select multiple tracks, hold down the Shift key and click additional track names to select them as well.
2 Choose File > Delete Selected Tracks.
3 Click OK to remove the selected tracks from
the session.
The Show/Hide Tracks List (at the left of both the Mix and Edit windows) shows all tracks in the session. It allows you to show or hide a track by selecting or deselecting its name. Even though a track is hidden, the material on the track will still play as part of the session.
To show a track, click to highlight its name. To hide a track, deselect its name.
The Show/Hide Tracks List
The pop-up menu at the top of Show/Hide Tracks List provides commands that allow you to show or hide all tracks, or only tracks cur­rently selected on screen.
When a track that is a member of an active group is hidden from view, editing operations performed on other members of the group in the Edit window will not affect the hidden track. In the Mix window, however, all operations other than record-enable will affect a hidden track that is a member of an active group.
On TDM systems, even if a track is hidden from view, its position relative to other tracks still affects virtual track playback priority. See “Virtual Tracks and Track Pri­ority” on page 82.
Pro Tools Reference Guide78
To hide a track:
Click the highlighted name of a track in the
Show/Hide Tracks List.
To show a track that is currently hidden:
Click the unhighlighted name of a track in
the Show/Hide Tracks List.
To show all tracks:
1 Click the Show/Hide button at the top of the
Show/Hide Tracks List.
2 From the pop-up menu, choose Show All
Tracks.

Assigning Inputs and Outputs to Audio Tracks

Inputs for audio tracks and Auxiliary Input tracks can be assigned to audio interface chan­nels or busses. Outputs for audio tracks, Auxil­iary Input tracks, and Master Fader tracks can be assigned to audio interface channels or busses.
Track set to
Audio Input 2
Track set to
Bus 2
Track set to
No Input
To hide all tracks:
1 Click the Show/Hide button at the top of the
Show/Hide Tracks List.
2 From the pop-up menu, choose Hide All
Tracks.
To reorder tracks on screen, drag the track names to new positions within the Show/Hide Tracks List.
Input/output assignments for three mono audio tracks
For stereo and multi-channel surround tracks, inputs and outputs appear as stereo pairs and multichannel groups. The available inputs, out­puts, and busses are defined as paths in the I/O Setup dialog (see Chapter 7, “I/O Setup”).
Automatic Input and Output Assignments
When adding tracks to a new session, outputs are automatically assigned in ascending order. For example, if you have an audio interface with eight outputs, creating four new mono audio tracks will automatically add four audio tracks with outputs assigned to Output 1, Output 2, Output 3, and Output 4. When creating stereo tracks, outputs are automatically assigned to as­cending output pairs.
The inputs automatically assigned to new tracks is determined by the Default Output defined in the I/O Setup dialog.
Chapter 8: Tracks 79
Assigning Audio Track Inputs
To assign an audio track input:
1 To display inputs and outputs in the Edit win-
dow, select Display > Edit Window Show > I/O.
2 In the Mix or Edit window, click the track In-
put Selector and choose from the available au­dio interface channels and busses. Stereo and multi-channel surround tracks have inputs available as pairs and multi-channel groups.
3 To remove an input assign, select No Input
from the Input Selector.
Assigning Audio Track Outputs

Assigning Voices and Track Priority

(TDM Systems Only)
Pro Tools 24 MIX systems provides up to 64 si­multaneous voices of audio playback. Pro Tools 24 systems provide up to 32 voices of audio playback.
While your Pro Tools hardware allows a fixed number of voices, Pro Tools software provides for up to 128 virtual tracks—tracks that can be re­corded or imported, arranged, and cued for playback, but cannot all be played back simulta­neously.
To assign an audio track output:
1 To display inputs and outputs in the Edit win-
dow, select Display > Edit Window Show > I/O.
2 In the Mix or Edit window, click the track Out-
put Selector and choose from the available au­dio interface channels and busses. Stereo and multi-channel surround tracks have outputs available as pairs and multi-channel groups.
3 To remove an output assign, select No Output
from the Input Selector. Playlists become dimmed for tracks with no output assignment.
Assigning an audio track, Auxiliary Input, or Master Fader to “No Output” will cause its automation data for pan and plug-in pa­rameters to be lost.
For these situations, Pro Tools assigns priorities for tracks that compete for the available voices. Pro Tools provides two ways of adjusting play­back priority to audio tracks.
Tracks do not use up voices when:
• Their Voice Selector is set to Off.
• They are made inactive.
• They do not have an output and send assign­ment.
In addition, you can temporarily free a track’s voice during playback by muting it (see “Mute Frees Assigned Voice” on page 84).
Pro Tools Reference Guide80
Voice Assignment
Tracks can be assigned to a specific voice, or they can be set to Auto. When a tracks are auto­voiced, Pro Tools automatically takes care of voice management in the background—assign­ing voices not in use by other tracks.
Tracks assigned to a specific voice number take priority over auto-voiced tracks. To ensure a track is heard, or that it is available for Quick­Punch recording, assign it a voice.
To set the voice assignment for a track:
Click the Voice Selector and select a voice
number, or set the track to Auto.
To assign all audio tracks to successive voices:
While pressing Command+Option (Macin-
tosh) or Control+Alt (Windows), select the start­ing voice number from the Voice Selector for the track at the top of the Edit window, or at the far left of the Mix window.
The voice is assigned to the clicked track, with successive voices assigned to tracks (with the same format) of lower priority.
To assign all selected audio tracks to successive voices:
1 Select the desired audio tracks by Shift-click-
ing their names.
2 While pressing Command+Shift (Macintosh)
or Control+Shift (Windows), select the starting voice number from the Voice Selector for the top (Edit window) or left (Mix window) selected track.
The voice is assigned to the clicked track, with successive voices assigned to currently selected tracks (with the same format) of lower priority.
Voice Selector for stereo audio track
For stereo and multi-channel tracks, voices ap­pear in pairs and multi-channel groups. Voices already assigned to another track appear in bold in the Voice Selector pop-up menu.
Automatic Assignment of Ascending Voices
You can automatically assign all tracks or all se­lected tracks to successive voices. For example, you may want to select eight audio tracks and reassign them to voices 9–16.
Changing a Track’s Playback Priority
When more than one track is assigned to the same voice, the track with the higher priority (left-most in the Mix window or topmost in the Edit window) has priority over others assigned to that voice. Moving another track of the same voice to a higher position will then give that track priority.
This track priority scheme is also used for auto­voiced tracks. When the tracks in the session ex­ceeded the number of available voices, tracks with lower priority may not be heard.
Chapter 8: Tracks 81
To increase a track’s priority, do any of the following:
In the Edit window, drag the Track Name but-
ton above other tracks in the session. Tracks at the top of the Edit window have higher priority than those below.
In the Mix window, drag the Track Name but-
ton to the left of other tracks in the session. Tracks at the left of the Mix window have higher priority than those to the right.
In the Show/Hide Tracks List, drag the track
name to a higher position in the list. Tracks at the top of this list have higher priority than those below.
By experimenting with track priority, voice as­signment, and arranging regions so that they are positioned to “pop through” holes in higher pri­ority tracks, you will find many useful ways to apply virtual tracks and dynamic voice alloca­tion.
In the above illustration, the two visible tracks are assigned to the same voice. There is an open area in the top track where no region appears. At this point, the voice is free since it is not being used, and the next highest priority track as­signed to that voice (the bottom track) will pop through the open area and play. In order for a lower priority region to pop through, it must be placed so that its beginning occurs after a higher priority track’s region has ended.

Setting MIDI Channels

MIDI tracks can be assigned to one or more MIDI channels with the Device/Channel selec­tor. When assigned to multiple channels, all material in the track is sent to all assigned chan­nels.
MIDI tracks in Pro Tools can not contain multi­ple channels of MIDI data.
Virtual Tracks and Track Priority
Pro Tools features dynamic voice allocation, so that when a hole opens up in a higher-priority track, its voice is temporarily available, and the track with the next highest priority “pops through” and begins to play. When the original track returns, the track that had popped through relinquishes the voice to the higher pri­ority track.
The following example demonstrates the con­cept of dynamic voice allocation:
The “Lead Guitar” region will pop through
Pro Tools Reference Guide82
To assign all regions on a MIDI track to a specific MIDI channel:
1 Click on the track’s MIDI Device/Channel Se-
lector and assign a device and channel from the pop-up menu. Channels already assigned to an­other track appear bold in this menu.
MIDI Device/Channel selector
To assign multiple destinations to a single MIDI track, Shift-click the MIDI Device/Channel Se­lector and select additional channels from any device.
For details on recording and importing MIDI data, see Chapter 13, “MIDI Recording”.

Soloing and Muting Tracks

The Solo and Mute buttons can be engaged at any time during playback. The Solo and Mute buttons affect MIDI as well as audio tracks. It is possible to have more than one track soloed or muted at the same time in a session.
Grouping affects mute and solo behavior as well. Normally, muting or soloing a track that is a member of an active mix group will mute or solo all other tracks that are a member of that active mix group as well. However, by changing the Mute and Solo settings in the Pro Tools Pref­erences dialog, you can disable this behavior.
Solo Button
The solo button mutes other tracks so that the chosen track can be auditioned alone. Normally solos are “latched,” that is, pressing subsequent solo buttons adds them to the soloed mix of tracks. Pro Tools allows you to “unlatch” solos, so that pressing a solo button will mute all tracks except the track you have just soloed.
To solo a track:
1 Click the Solo button on the track. The button
is highlighted and all other tracks are muted.
2 Click the Solo button again to turn off the solo
function.
To disable group muting of tracks:
1 Choose Setups > Preferences, and click Auto-
mation.
2 Deselect the Mutes Follow Mix Groups op-
tion, and click OK.
With this option deselected, muting a track that is a member of an active group does not affect other members of the group.
To disable group soloing of tracks:
1 Choose Setups > Preferences, and click Auto-
mation.
2 Deselect the Solos Follow Mix Groups option,
and click OK.
With this option deselected, soloing a track that is a member of an active group does not affect other members of the group.
To unlatch solo buttons:
1 Choose Setups > Preferences and click Opera-
tion.
2 Deselect the Latch Solo Buttons option and
click Done. With this option disabled, pressing a Solo button mutes all tracks except the track you have just soloed.
Solo Safe Mode
Pro Tools also allows you to solo safe a track. This prevents the track from being muted even if you solo other tracks. This feature is useful for tracks such as Auxiliary Inputs that are being used as effects returns, allowing the effects track to remain in a mix even when other tracks are soloed. It is also useful to solo-safe MIDI tracks so that their playback is not affected when you solo audio tracks.
Chapter 8: Tracks 83
To solo safe a track:
Command-click (Macintosh) or Control-click
(Windows) the Solo button on the desired track. This prevents the track from being muted even if you solo other tracks.
To return a solo safe track to normal:
Command-click (Macintosh) or Control-click
(Windows) the Solo button on the track again.
To avoid this delay, make sure that the Mute Frees Assigned Voice option is disabled. Another factor than can cause delays is your DAE Play­back Buffer Size setting. Playback Buffer Size is set from DAE’s File menu (Macintosh), or by choosing Setups > DAE Buffer Size (Windows). The larger the playback buffer you choose, the longer the potential lag time between the time you click the Mute button and the onset of mut­ing.
Mute Button
The mute button silences a chosen track. More than one track can be muted at one time. If Op­erations > Mute Frees Assigned Voice is enabled, muting a track will allocate its voice to the next highest priority virtual track (assigned to the same voice).
To mute a track:
Click the Mute button on the track. The track
will appear grayed-out and be muted.
To unmute a track:
Click the Mute button again.
Mute Frees Assigned Voice
(TDM Systems Only)
Selecting Operations > Mute Frees Voice and muting a track disables playback of that track, and surrenders control of its voice to the next highest priority track with the same voice as­signment.
With this option enabled, there may be a delay (ranging in length from one to several seconds depending on the processing power of your sys­tem) between the time you mute or unmute a track and when you hear the effect on playback.
Muting a track with Mute Frees Assigned Voice enabled does not free up the voice for QuickPunch recording.

Making Tracks Inactive

(TDM Systems Only)
A track can be made inactive. Inactive tracks use no DSP or voices. Plug-ins, sends, voices, and au­tomation on inactive tracks are disabled. Tracks may also be automatically made inactive if a ses­sion is opened on a system with less DSP power than the system it was created on. Audio, Auxil­iary Input, and Master Fader tracks can be made inactive.
MIDI tracks cannot be made inactive.
To toggle a track Active/Inactive:
Command-Control-click (Macintosh) or Con-
trol-Start-click (Windows) the track type icon in the Mix window.
Click here to toggle a track active or inactive
Toggling a track Active/Inactive
Playlists for inactive tracks are dimmed.
Pro Tools Reference Guide84

Adjusting Track Width

The Narrow Mix Window command allows you to view all tracks/channels in the Mix window at a reduced width to conserve screen space in a large session.
Tracks and MIDI Channels Assigns a color to each track in the Edit window according to its voice and MIDI channel assignment.
Tracks and MIDI Devices Assigns a color to the track in the Edit window according to its voice and MIDI device assignment.
To reduce the width of tracks in the Mix window:
Select Display > Narrow Mix Window.
To display tracks at normal width:
Deselect Display > Narrow Mix Window.

Color Coding Tracks

The Display Preference for Edit Window Color Coding determines how colors are assigned to waveforms and MIDI data in the Edit window. Colors can be based on groups, voice assign­ment for audio tracks, and channels or devices for MIDi tracks.
Color coding of voices is especially useful when keeping track of tracks assigned to the same voice. Since tracks assigned to the same voice share the same color, you can easily identify and arrange regions so that they do not overlap or conflict with other regions on tracks assigned to the same voice.
To configure the Edit Window Color Coding:
1 Choose Setups > Preferences and click the Dis-
play tab.
Groups Assigns a color to each track in the Edit window according to its group ID. If groups are suspended using the Suspend Groups com­mand, all waveforms are displayed in black.
3 Click Done to close the Preferences dialog.

Grouping Tracks

Pro Tools provides a relative grouping function for linking channels and their controls. Groups can be applied to either the Mix or Edit window, or both.
Groups are useful for editing several tracks in ex­actly the same way, or for mixing several tracks (such as a pair of stereo tracks or a submix) while keeping them at the same relative volume level.
Pro Tools provides the following grouping fea­tures:
• Up to 26 different groups
• Nested groups (subgroups within groups)
• Grouped faders/controllers preserve their lev­els relative to each other
2 Select one of the following color coding op-
tions:
None This option turns off color assignment for tracks in the Edit window.
Chapter 8: Tracks 85
Grouping can affect the following track param­eters:
• Volume levels
• Solos
• Mutes
• Automation modes
• Send levels
• Send mutes
• Track view
• Track height
• Editing functions
Grouping does not affect these parameters:
• Record enables
• Panning
• Send panning
• Voice assignment
• Output assignment
• Creating Plug-In instances
Using the Groups List
The Pro Tools grouping functions are located at the left side of your screen in the Groups List. This scrolling window contains the names of all the groups in your session, as well as a pop-up menu for accessing grouping commands. From this menu, you can select and enable groups.
Group pop-up menu
Click to select group members on-screen
Click to hide Groups List
Groups List
By default, every session has a group named All, which includes every track and channel in the session. The All group cannot be edited or de­leted.
Click to select a group by typing its letter
Click to activate a group
To the left of each name in the Groups List is a letter denoting its Group ID (“a” through “z”), and to the left of that, a symbol indicating whether that group is selected in the currently active window (either the Edit or Mix window). These symbols indicate the following:
The filled-in circle symbol indicates that all members of the group are currently selected.
Pro Tools Reference Guide86
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