Global Variable

AVMediaCharacteristicDescribesMusicAndSoundForAccessibility

The option includes legible content in the language of its specified locale that describes music and sound effects occurring in program audio.

Declaration

const AVMediaCharacteristic AVMediaCharacteristicDescribesMusicAndSoundForAccessibility;

Discussion

It is possible for a legible media option to include both transcriptions of spoken dialog and descriptions of music and sound effects.

The value of this characteristic is "public.accessibility.describes-music-and-sound".

For QuickTime movie and .m4v files, a media option is considered to have the characteristic AVMediaCharacteristicDescribesMusicAndSoundForAccessibility only if it’s explicitly tagged with that characteristic.

See Also

Media Characteristics

AVMediaCharacteristicAudible

The media is audible.

AVMediaCharacteristicContainsOnlyForcedSubtitles

The options present only forced subtitles.

AVMediaCharacteristicDescribesVideoForAccessibility

The option includes audible content that describes the visual portion of the presentation.

AVMediaCharacteristicDubbedTranslation

The track or media selection option contains a language or dialect translation of originally or previously produced content.

AVMediaCharacteristicEasyToRead

The option provides legible content in the language of its specified locale and that the content so that it's easier to read.

AVMediaCharacteristicFrameBased

The media is frame-based.

AVMediaCharacteristicIsAuxiliaryContent

The option includes content marked by the content author as secondary to the presentation of the asset.

AVMediaCharacteristicIsMainProgramContent

The option includes content marked by the content author as intrinsic to the presentation of the asset.

AVMediaCharacteristicLanguageTranslation

The option contains a language or dialect translation of origianlly or previously produced content.

AVMediaCharacteristicLegible

The media is legible.

AVMediaCharacteristicTranscribesSpokenDialogForAccessibility

The option includes legible content in the language of its specified locale that transcribes spoken dialog.

AVMediaCharacteristicUsesWideGamutColorSpace

The track uses a wide gamut color space and can make use of colors that can't be accurately represented otherwise.

AVMediaCharacteristicVisual

The media is visual.

AVMediaCharacteristicVoiceOverTranslation

The option contains a language translation created by adding a verbal interporetation of dialog and translations.