- iOS 7.0+
- macOS 10.15+Beta
- tvOS 9.0+
- watchOS 2.0+
- Core Audio Types
The operation succeeded.
An attempt was made to use the audio session during or after a Media Services failure.
An attempt was made to set its audio session inactive, but it is still actively playing and/or recording.
An attempt was made to perform an operation not permitted in its current category.
An attempt was made to make a nonmixable audio session active while the app was in the background.
An attempt was made to perform an operation for which the app does not have the required entitlements.
An attempt was made to perform an operation that is not allowed while Siri is recording.
An attempt was made to start audio playback, but playback is not allowed.
An attempt was made to start audio recording, but failed.
An attempt was made to set a property to an illegal value.
The application was not allowed to set the audio category because it is in use by another application.
An operation that failed because the device doesn’t have sufficient hardware resources to complete the action.
No further error information is available. This error type typically results when the audio system is in an inconsistent state.
This documentation contains preliminary information about an API or technology in development. This information is subject to change, and software implemented according to this documentation should be tested with final operating system software.Learn more about using Apple's beta software