Audio Unit Framework Reference

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Audio Unit - Apple Developer

https://developer.apple.com/documentation/audiounit

Overview. The Audio Unit framework provides interfaces for hosting either version 2 or version 3 audio units and implementing version 3 audio processing plug-ins known as Audio Unit extensions. Developers implementing version 3 audio units should subclass the AUAudioUnit class. Version 3 Audio Unit extensions can be used on iOS, tvOS, and macOS by host apps and …

The Audio Unit - Apple Developer

https://developer.apple.com/library/archive/documentation/MusicAudio/Conceptual/AudioUnitProgrammingGuide/TheAudioUnit/TheAudioUnit.html

Like the render callback, the AudioUnitRender function is declared in the AUComponent.h header file in the Audio Unit framework. Audio Unit Channels. An audio unit channel is, conceptually, a monaural, noninterleaved path for audio data samples that goes to or from an audio unit’s processing code. The Core Audio SDK represents channels as buffers.

Introduction - Apple Developer

https://developer.apple.com/library/archive/documentation/MusicAudio/Conceptual/AudioUnitProgrammingGuide/Introduction/Introduction.html

For current information about the audio unit V3 API, refer to Audio Unit Framework Reference and to the Audio Unit chapter in App Extension Programming Guide. As a hobbyist or a computer science student, you can design and build your own audio units to make applications like GarageBand do new things with sound.

Using Audio - Apple Developer

https://developer.apple.com/library/archive/documentation/AudioVideo/Conceptual/MultimediaPG/UsingAudio/UsingAudio.html

For details, see Audio Toolbox Framework Reference and the SpeakHere sample code project. Use the Audio Unit framework to connect to and use audio processing plug-ins. For details, see Audio Unit Hosting Guide for iOS. Use the OpenAL framework to provide positional audio playback in games and other applications. iOS supports OpenAL 1.1.

App Extension Programming Guide: Audio Unit

https://developer.apple.com/library/archive/documentation/General/Conceptual/ExtensibilityPG/AudioUnit.html

The audio unit itself is a custom plug-in in which you implement an audio creation or an audio processing algorithm. You build the audio unit using the Audio Unit framework, whose APIs are described in Audio Unit Framework Reference. (Designing and building audio units is not covered in the current document, which instead explains how to incorporate an …

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