id3MetadataKeyRelativeVolumeAdjustment
A key that represents the increase or decrease of volume on each channel while the file plays.
Declaration
static let id3MetadataKeyRelativeVolumeAdjustment: AVMetadataKeySee Also
ID3 metadata keys
id3MetadataKeyAlbumSortOrderid3MetadataKeyAlbumTitleid3MetadataKeyAttachedPictureid3MetadataKeyAudioEncryptionid3MetadataKeyAudioSeekPointIndexid3MetadataKeyBandid3MetadataKeyBeatsPerMinuteid3MetadataKeyCommentsid3MetadataKeyCommercialid3MetadataKeyCommercialInformationid3MetadataKeyComposerid3MetadataKeyConductorid3MetadataKeyContentGroupDescriptionid3MetadataKeyContentTypeid3MetadataKeyCopyright