Core Audio Types
Use specialized data types to interact with audio streams, complex buffers, and audiovisual timestamps.
Overview
The Core Audio Types framework declares common data types and constants that other Core Audio interfaces use. This framework also includes several convenience functions.
If you’re unfamiliar with the specialized terminology regarding the manipulation of audio data, refer to Core Audio Glossary.
Topics
Buffers
Channels
Codecs
Audio Time
SMPTE Time
Values
Streams
AudioStreamBasicDescriptionAudioStreamPacketDescriptionAudioFormatFlagsAudio Format FlagsAudioFormatIDAudio Format IdentifierskAudioStreamAnyRateMPEG4ObjectID
Common Types
AVAudioIntegerAVAudioUIntegerAudioSessionIDkAudioUnitSampleFractionBitsCOREAUDIOTYPES_VERSIONAudioSampleTypeAudioUnitSampleTypeAudioFormatListItem