It also requires one of Core Audio, GStreamer, libao or PulseAudio to be installed.

All the output from Core Audio enters into the new user-mode sound framework to be mixed and processed.

Core Audio finally replaces the horribly outdated Sound Manager.

Most of the technologies that make it interesting and unique are actually brand new: Quartz, Core Audio, IOKit, Core Foundation.

It can operate using the internal sound card of a PC via the ASIO driver and a Mac using Core Audio.

GarageBand can also use any third-party software synthesizer that adheres to the Core Audio (Audio Units) standard.

It joins Core Audio, Apple's existing audio processing framework.

Core Audio uses Audio Units and Core Image uses Image Units.

Core Audio integrates a range of audio functionality directly into the operating system.

It was replaced by Core Audio in Mac OS X.