Audio Codec Types Constants that represent audio codec types. TopicsConstantskCMAudioCodecType_AAC_AudibleProtectedkCMAudioCodecType_AAC_LCProtected See AlsoData TypesCMVideoDimensionsCMAudioFormatDescriptionMaskCMMediaTypeCMAudioCodecTypeCMVideoCodecTypeCMTextDisplayFlagsCMTextJustificationValueMedia Type ConstantsMuxed Stream Types