Chapter 4: Configuring Core Audio (Mac OS X Only) 15
Chapter 4: Configuring Core Audio
(Mac OS X Only)
Avid Core Audio Driver
Capabilities
The Avid Core Audio Driver is a multi-client,
multichannel sound driver that lets Core
Audio–compatible applications record and play
back through HD Native hardware.
Full-duplex recording and playback of 24-bit
audio is supported at sample rates up to 96 kHz,
depending on your HD Native hardware and
CoreAudio client application.
The Avid Core Audio Driver provides up to 64
channels of I/O with an HD Native card.
Limitations of the CoreAudio Driver
The Avid Core Audio Driver has the following
limitations:
The Avid Core Audio Driver cannot be used to
preview sound files from the Mac Finder. When
a sound file is located in the Mac OS X
navigation window, a QuickTime transport bar is
displayed next to it. The QuickTime transport
bar lets you audition the sound file. The sound
will always play back though the Mac’s built-in
audio controller (through the Mac speaker or
headphone jack). However, if you double-click a
sound file, the QuickTime application will
launch, and can use the Avid Core Audio Driver
for playback.
The Avid Core Audio Driver cannot be used
for playback of Mac System Sounds.
Low Latency Monitoring is not available with
Core Audio software on HD Native hardware.
Installing the Core Audio
Driver
The Avid Core Audio Driver is installed by
default when you install Pro Tools.
The Avid Core Audio Driver can also be installed
as a standalone driver on Mac systems that do
not have Pro Tools software installed. The
installer for the standalone Avid Core Audio
Driver is available on the Drivers Installer disc
that came with your Pro Tools Software
package, or from our website (www.avid.com).
Visit www.avid.com for the latest Avid Core
Audio drivers for HD Native hardware, as
well as current known issues.
If you uninstall Pro Tools, the Avid Core
Audio Driver is automatically uninstalled
at that time.
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