Like most things in Carbon, Audio is under transition. [Music & Audio]

The old SoundManager routines are deprecated but still mostly functioning. There are a few functions and commands that have been deprecated, but it is still workable. [Sound Manager 3.3]

The Core Audio API is available from Carbon. There are a few examples on Apple's Developer site. [Core Audio]

[1] is the CoreAudio Wiki

Apple is now including OpenAL as of OS X 10.4 (Tiger). [OpenAL] [OpenAL for OS X]

The ALUT header files were removed as of the Xcode 2.4 update.[Tech QA1504]. Some possible replacement code was posted to the OpenAL mailing list by George Warner, Apple DTS. [alutCreateBufferFromFile]

[1:02pm] <Rog> hmm, what deleted my 
/System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/CarbonSound.framework/Versions/A/Headers/CarbonSound.h
???

[1:01pm] <AngryLuke> install the QT7 SDK
[1:01pm] <AngryLuke> or get Tiger.
[1:02pm] <Rog> ah, installing QT7 deleted it?
[1:02pm] <AngryLuke> yes.
[1:02pm] <Rog> interesting, thx
[1:02pm] <AngryLuke> well, something like that..
[1:02pm] <AngryLuke> installing the QT7 SDK fixes it 
[1:02pm] <Rog> probably QT7, I did install it over the weekend 
[1:02pm] <AngryLuke> Installing Xcode 2.1 deletes the GraphKit framework
[1:03pm] <mikeash> probably QT7 installed a new CarbonSound.framework without the headers, or something
[1:03pm] <AngryLuke> correct.
[1:03pm] <AngryLuke> or something