Apple Wiki
Apple Wiki
Mac OS X Core Audio 2009

Core Audio is a low-level API for dealing with sound in Apple's macOS and iOS operating systems. It includes an implementation of the cross-platform OpenAL.[1]


Apple's Core Audio documentation states that "in creating this new architecture on Mac OS X, Apple's objective in the audio space has been twofold. The primary goal is to deliver a high-quality, superior audio experience for Macintosh users. The second objective reflects a shift in emphasis from developers having to establish their own audio and MIDI protocols in their applications to Apple moving ahead to assume responsibility for these services on the Macintosh platform."[2] Some classic Mac OS calls were not ported during the Carbon transition.[3]


  1. Core Audio Overview: OpenAL (Open Audio Library). Apple Inc (February 11, 2014). Retrieved on January 28, 2015.
  2. Audio and MIDI on Mac OS X. Apple Computer (May 29, 2001). Archived from the original on January 27, 2002.
  3. TechNote 1198: Sound and Carbon, Apple Computer. 2000-06-19. Archived 2001-07-03.

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