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Leopard Technical Q&As: Audio
System-level services in Mac OS X streamline the development process for audio developers, as well as for application developers who want to incorporate music and other audio media into their products. Core Audio is available to Cocoa applications. It provides native, multichannel audio in a manner scalable for future high-resolution formats. The Audio Unit API provides a plug-in architecture for both DSP and for MIDI-based virtual instruments. MIDI services allow for multiport MIDI capability.
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Audio Queue - Looping Compressed Audio (HTML)
QA1636: Discusses the format information required to seamlessly loop compressed audio using Audio Queue.
 2009-02-20
CoreAudio Overload Warnings (HTML)
QA1467: Describes CoreAudio overload warnings what they mean and how to avoid them.
 2006-03-29
Using NSSound with CoreAudio on Mac OS 10.3.x (HTML)
QA1394: Workaround the NULL input buffers in a Core Audio IOProc callback when using NSSound by using AudioDeviceAddIOProc
 2006-03-29
Use NSSound instead of NSMovie for audio only playback on Mac OS X 10.3 and greater (HTML)
QA1335: Why using NSSound may be a better choice than using NSMovie for audio only playback.
 2004-02-04