AUAudio class describes an interface for custom parameter settings provided by the audio unit developer. These presets often produce a useful sound or starting point.
- iOS 9.0+
- macOS 10.11+
- UIKit for Mac 13.0+Beta
- tvOS 9.0+
For more details on working with Audio Unit presets, see Audio Units - How to correctly save and restore Audio Unit presets. Note that the version 3
full property is bridged to the version 2 kAudioUnitProperty_ClassInfo API. Similarly, the version 3
full property is bridged to the version 2 kAudioUnitProperty_ClassInfoFromDocument API.