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# Audio Format Error Codes

## Topics

### Constants

[`var kAudioFormatBadPropertySizeError: OSStatus`](/documentation/AudioToolbox/kAudioFormatBadPropertySizeError)

[`var kAudioFormatBadSpecifierSizeError: OSStatus`](/documentation/AudioToolbox/kAudioFormatBadSpecifierSizeError)

[`var kAudioFormatUnknownFormatError: OSStatus`](/documentation/AudioToolbox/kAudioFormatUnknownFormatError)

The specified data format is not a known format.

[`var kAudioFormatUnspecifiedError: OSStatus`](/documentation/AudioToolbox/kAudioFormatUnspecifiedError)

An unspecified error.

[`var kAudioFormatUnsupportedDataFormatError: OSStatus`](/documentation/AudioToolbox/kAudioFormatUnsupportedDataFormatError)

The playback data format is unsupported (declared in `AudioFormat.h`).

[`var kAudioFormatUnsupportedPropertyError: OSStatus`](/documentation/AudioToolbox/kAudioFormatUnsupportedPropertyError)

The specified property is not supported.


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