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Reference: Audio
Core Audio and Core MIDI are the Mac OS X audio and MIDI subsystems. Core Audio provides a hardware abstraction layer, an effects processing framework, data format conversion routines, and other services. Core MIDI provides a hardware abstraction layer and MIDI routing.

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Core MIDI Framework Reference (HTML)
Describes a C API for Mac OS X MIDI system services.
2008-04-08
Core MIDI Server Framework Reference (HTML)
Describes the Mac OS X MIDI driver interface.
2008-04-08
Core Audio Glossary (HTML) (PDF)
Defines general digital audio terms as well as terms specific to Apple's Core Audio technology.
2008-02-08
Audio Queue Services Reference (HTML) (PDF)
Describes a high-level programming interface for recording and playing back audio data.
2008-01-15
Audio Codec Services Reference (HTML) (PDF)
Describes the programming interface for configuring audio codecs and for encoding and decoding audio data.
2007-10-31
Audio File Stream Services Reference (HTML) (PDF)
Describes a C programming interface for reading non-random-access audio file streams.
2007-10-31
Audio File Services Reference (HTML) (PDF)
Describes a C programming interface for reading and writing audio files.
2007-05-29
Core Audio Data Types Reference (HTML) (PDF)
Defines and describes data types and constants used throughout the Core Audio API.
2007-01-08
Audio Toolbox Framework Reference (HTML)
Describes the Core Audio API to access audio files and convert between linear PCM and compressed audio formats.
2006-11-07
Core Audio Framework Reference (HTML)
Describes a C API that interfaces with audio hardware and includes data types used throughout Core Audio.
2006-11-07
Apple Core Audio Format Specification 1.0 (HTML) (PDF)
Specifies the Apple Core Audio Format (CAF) for audio files.
2006-03-08
Core Audio (HTML) (PDF)
Introduces the Core Audio architecture and includes conceptual and reference information about its components.
2004-03-25