Coreaudio Drivers Guide Version 8.1 Legal Notices This Guide Is Copyrighted ©2010 by Avid Technology, Inc., (Hereafter “Avid”), with All Rights Reserved
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CoreAudio Drivers Guide Version 8.1 Legal Notices This guide is copyrighted ©2010 by Avid Technology, Inc., (hereafter “Avid”), with all rights reserved. Under copyright laws, this guide may not be duplicated in whole or in part without the written consent of Avid. 003, 96 I/O, 96i I/O, 192 Digital I/O, 192 I/O, 888|24 I/O, 882|20 I/O, 1622 I/O, 24-Bit ADAT Bridge I/O, AudioSuite, Avid, Avid DNA, Avid Mojo, Avid Unity, Avid Unity ISIS, Avid Xpress, AVoption, Axiom, Beat Detective, Bomb Factory, Bruno, C|24, Command|8, Control|24, D-Command, D-Control, D-Fi, D-fx, D-Show, D-Verb, DAE, Digi 002, DigiBase, DigiDelivery, Digidesign, Digidesign Audio Engine, Digidesign Intelligent Noise Reduction, Digidesign TDM Bus, DigiDrive, DigiRack, DigiTest, DigiTranslator, DINR, D-Show, DV Toolkit, EditPack, Eleven, HD Core, HD Process, Hybrid, Impact, Interplay, LoFi, M-Audio, MachineControl, Maxim, Mbox, MediaComposer, MIDI I/O, MIX, MultiShell, Nitris, OMF, OMF Interchange, PRE, ProControl, Pro Tools M-Powered, Pro Tools, Pro Tools|HD, Pro Tools LE, QuickPunch, Recti-Fi, Reel Tape, Reso, Reverb One, ReVibe, RTAS, Sibelius, Smack!, SoundReplacer, Sound Designer II, Strike, Structure, SYNC HD, SYNC I/O, Synchronic, TL Aggro, TL AutoPan, TL Drum Rehab, TL Everyphase, TL Fauxlder, TL In Tune, TL MasterMeter, TL Metro, TL Space, TL Utilities, Transfuser, Trillium Lane Labs, Vari-Fi Velvet, X-Form, and XMON are trademarks or registered trademarks of Avid Technology, Inc. Xpand! is Registered in the U.S. Patent and Trademark Office. All other trademarks are the property of their respective owners. Product features, specifications, system requirements, and availability are subject to change without notice. Guide Part Number 9329-62030-00 REV A 03/10 Documentation Feedback At Avid, we are always looking for ways to improve our documentation. If you have comments, corrections, or suggestions regarding our documentation, email us at [email protected]. contents Chapter 1. CoreAudio Driver and CoreAudio Manager . 1 System Requirements and Compatibility . 2 Core Audio Capabilities . 2 CoreAudio Manager. 3 Configuring a Pro Tools|HD Audio Interface for Third-Party Applications . 6 Chapter 2. Mbox 2 Family CoreAudio Drivers . 9 System Requirements and Compatibility . 9 Mbox 2 Family CoreAudio Driver Capabilities . 10 Mbox 2 Pro Driver Control Panel . 10 Mbox 2, Mbox 2 Mini, and Mbox 2 Micro, Driver Control Panels . 11 Configuring Mbox 2 Family Interfaces for Third-Party Applications . 13 Chapter 3. Eleven Rack CoreAudio Driver . 17 System Requirements and Compatibility . 17 Eleven Rack CoreAudio Driver Capabilities. 18 Eleven Rack CoreAudio Driver Control Panel . 18 Configuring Eleven Rack for Third-Party Applications . 19 Contents iii iv CoreAudio Drivers Guide chapter 1 CoreAudio Driver and CoreAudio Manager The CoreAudio Driver lets you use your quali- Standalone CoreAudio Drivers fied Pro Tools® audio interfaces with third-party applications that support the Core Audio stan- CoreAudio Drivers can be installed on Mac sys- dard. tems that do not have Pro Tools installed. The following Pro Tools system interfaces are To install the Standalone CoreAudio Driver from supported: the Pro Tools Installer disc: ® •ProTools|HD 1 Make sure you are logged in as an Administra- • 003® tor for the account where you want to install • 003 Rack Pro Tools. For details on Administrator privi- leges in Mac OS X, see your Apple Mac OS X • 003 Rack+ documentation. • Digi 002® • Digi 002 Rack 2 Do one of the following: • Insert the Pro Tools Installer disc in your For Mbox 2 family systems, refer to DVD drive. Chapter 2, “Mbox 2 Family CoreAudio – or – Drivers.” • If you purchased the software upgrade on- line, follow the instructions provided with For Eleven Rack systems, refer to Chapter 3, it to expand and launch the installer. “Eleven Rack CoreAudio Driver.” 3 On the Installer disc, locate and double-click Installation the Install Pro Tools.mpkg 4 Follow the on-screen instructions to proceed The CoreAudio Driver for your Pro Tools hard- with installation. ware is automatically installed when you install Pro Tools. 5 Select the CoreAudio Driver and deselect the Pro Tools application and other options and For complete instructions on installing click Continue. Pro Tools, see the User Guide for your Pro Tools system. 6 Select the install location. For maximum reli- ability, install the CoreAudio Driver on your startup drive. Chapter 1: CoreAudio Driver and CoreAudio Manager 1 7 Click Continue. Core Audio Capabilities 8 Click Install. The CoreAudio Driver is a multi-client, multi- 9 If prompted, enter your Administrator pass- channel sound driver that allows CoreAudio- word and click OK to authenticate installation. compatible applications to record and play back 10 Follow the remaining on-screen instructions. through qualified Pro Tools audio interfaces. 11 Click Restart to finish installing the software. Full-duplex recording and playback of 24-bit au- dio is supported at sample rates up to 96 kHz, depending on your Pro Tools hardware and System Requirements and CoreAudio client application. Compatibility The CoreAudio Driver provides up to 18 chan- nels of input and output, depending on your This version of the CoreAudio Driver can be Pro Tools hardware: used on qualified Pro Tools systems running on a qualified version of Mac OS X. • Up to 8 channels of I/O with Pro Tools|HD systems Avid can only assure compatibility and provide • Up to 16 channels of input and 18 chan- support for hardware and software it has tested nels of output with Digi 002, Digi 002 and approved. Rack, 003, 003 Rack, and 003 Rack+ For complete system requirements and a list of For Pro Tools|HD systems with more than qualified computers, operating systems, hard one card and multiple I/Os, only the pri- drives, and third-party devices, visit: mary I/O connected to the first (core) card www.avid.com/compatibility can be used with CoreAudio. Visit www.avid.com for the latest CoreAudio Drivers for Pro Tools hardware, as well as current known issues. 2 Digidesign CoreAudio Drivers Guide Limitations of the CoreAudio Driver CoreAudio Manager The CoreAudio Driver has the following limita- You can configure the CoreAudio Driver using tions: CoreAudio Manager, or from within most third- party CoreAudio-compatible client applications Pro Tools is not a CoreAudio application and (such as BIAS Peak). Refer to the manufacturer’s therefore requires exclusive access to Pro Tools documentation for more information. hardware. You cannot use CoreAudio applica- tions and Pro Tools at the same time. To use Some applications (such as Apple’s iTunes or Pro Tools, make sure you quit any CoreAudio QuickTime Player), also require that you config- applications before starting Pro Tools. To use a ure either the Apple Sound Preferences or Apple CoreAudio application, make sure you quit Audio MIDI Setup to use the CoreAudio Driver. Pro Tools before starting any CoreAudio applica- tion. The CoreAudio Manager is configured to auto- hide when first launched. To bring it to the fore- The CoreAudio Driver cannot be used to pre- ground, click on its icon in the dock. view sound files from the Mac Finder. When a sound file is located in the Mac OS X navigation The Core Audio Manager is not used by window, a QuickTime transport bar is displayed Pro Tools. It is only used by other CoreAudio ap- next to it. The QuickTime transport bar lets you plications. audition the sound file. The sound will always play back though the Mac’s built-in audio con- Accessing the CoreAudio Manager troller (through the Mac speaker or headphone jack). However, if you double-click a sound file, The CoreAudio Manager application launches the QuickTime application will launch, and can automatically when the first client application use the CoreAudio Driver for playback. accesses the CoreAudio Driver. The CoreAudio Driver cannot be used for playback of Mac System Sounds. CoreAudio Manager (Pro Tools|HD shown) Chapter 1: CoreAudio Driver and CoreAudio Manager 3 CoreAudio Manager cannot be accessed under Buffer Size the following circumstances: You may select from the following buffer sizes • When Pro Tools is running (depending on your Pro Tools hardware): • When another application is using •64 samples Direct IO •128 samples To ensure proper playback with the Core- •256 samples Audio Driver, launch the CoreAudio Man- •512 samples ager first, making sure that its status is • 1024 samples “Connected.” • 2048 samples Preventing an Application from Accessing Small buffers have the advantage of low la- CoreAudio Driver tency in the record monitor path, but also are You can prevent an application from accessing more taxing on your computer’s CPU and could the CoreAudio Driver by holding down the Shift contribute to dropouts in your audio during key just before the application would access the record or playback. (Latency is the time delay CoreAudio Driver, typically during launch of between a signal entering the audio inputs and the application. Certain applications (such as leaving the outputs during recording.) Apple Mail and iChat), do not access the Core- Larger buffers have the advantage of making Audio application until they first play a sound, the CoreAudio Driver more immune to audio so you will need to hold down the Shift key just dropouts during playback and recording, but prior to sound playback in order to prevent the can cause a noticeable delay when monitoring use of Pro Tools hardware for playback. your inputs in the recording process. In some CoreAudio-client applications, performing vari- Using the CoreAudio Manager ous tasks will interrupt the CoreAudio Driver and may result in clicks and pops in audio play- Use CoreAudio Manager to change the CoreAu- back or recording. Choosing medium or large dio Buffer Size setting, access the Hardware buffers (such as 512 or 1024) can help alleviate Setup dialog for your Pro Tools hardware and this problem.