Audio Track Characteristics

A value used to indicate preferences for audio tracks.



let MAMediaCharacteristicDescribesMusicAndSoundForAccessibility: CFString

The user wants captions that describe music and sound (other than spoken dialog), such as sound effects and significant silences.

let MAMediaCharacteristicTranscribesSpokenDialogForAccessibility: CFString

The user wants captions for spoken dialog. Captions should also identify speakers whenever other visual cues are insufficient for a viewer to determine who is speaking.