DDEX Data Dictionary, 18-11-19

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Intro

avs:AudioCodecType

A message term for mlc:DeclarationOfSoundRecordingRightsClaimMessage.

A Type of AudioCodec.

Relationships
AVS Members	AAC	Advanced Audio Coding as standardized in ISO/IEC 13817-7.
	ADPCM	Adaptive Differential PCM audio as defined in ITU G.721, 726 and 727.
	ALaw	An AudioCodec to optimize, i.e. modify, the dynamic range of an analogue signal for digitizing, mostly used in Europe.
	AMR	Adaptive Multi-Rate AudioCodec.
	AMR-NB	Adaptive Multi-Rate Narrowband.
	AMR-WB	Adaptive Multi-Rate Wideband.
	FLAC	Free Lossless Audio Codec developed by the Xiph.Org Foundation..
	MP	MPEG Audio Layer, as standardized in ISO/IEC 11172-3 and 13818-3.
	MP2	MPEG Audio Layer II, as standardized in ISO/IEC 11172-3 and 13818-3.
	MP3	MPEG Audio Layer III, as standardized in ISO/IEC 11172-3 and 13818-3.
	MQA	Master Quality Authenticated, an AudioCodec developed by Meridian Audio.
	MuLaw	An AudioCodec to optimize, i.e. modify, the dynamic range of an analogue signal for digitizing, mostly used in North America and Japan.
	PCM	Pulse-code modulated audio as used e.g. on audio CDs. Typically, but not exclusively, PCM bit streams are communicated in WAV containers.
	PDM	Pulse-Density Modulation, a form of modulation used to represent an analog signal with digital data. Direct-Stream Digital (DSD) is the trademark name used by Sony and Philips for PDM.
	QCELP	Qualcomm Code Excited Linear Prediction as developed by Qualcomm.
	RealAudio	Real Audio as developed by RealNetworks Inc.
	Shockwave	Shockwave as developed by Macromedia Inc.
	Unknown	A Type of an Entity used when a sender of a DdexMessage wishes to indicate that the value within the allowed value set is unknown.
	UserDefined	A Type of an Entity which is defined by a sender of a DdexMessage in a manner acceptable to its recipient.
	Vorbis	An AudioCodec developed by the Xiph.Org Foundation.
	WMA	Windows Media Audio as developed by Microsoft Corp.
Is Base for Composites	ddexC:AudioCodecType	A Composite containing details of an avs:AudioCodecType.

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