MPEG-D is a group of standards for audio coding formally known as ''
ISO
The International Organization for Standardization (ISO ; ; ) is an independent, non-governmental, international standard development organization composed of representatives from the national standards organizations of member countries.
Me ...
/
IEC
The International Electrotechnical Commission (IEC; ) is an international standards organization that prepares and publishes international standards for all electrical, electronic and related technologies. IEC standards cover a vast range of ...
23003'' - ''MPEG audio technologies'', published since 2007.
MPEG-D consists of four parts:
* MPEG-D Part 1:
MPEG Surround (a.k.a. Spatial Audio Coding
)
* MPEG-D Part 2: Spatial Audio Object Coding (SAOC)
* MPEG-D Part 3:
Unified speech and audio coding
Unified Speech and Audio Coding (USAC) is an data compression#Audio, audio compression format and audio codec, codec for both music and speech or any mix of speech and audio using very low bit rates between 12 and 64 kbit/s. It was developed b ...
* MPEG-D Part 4: Dynamic Range Control
* MPEG-D Part 5: Uncompressed audio in MPEG-4 File Format
See also
*
ISO/IEC JTC 1/SC 29 ISO/IEC JTC 1/SC 29, entitled ''Coding of audio, picture, multimedia and hypermedia information'', is a standardization subcommittee of the Joint Technical Committee ISO/IEC JTC 1 of the International Organization for Standardization (ISO) and the I ...
References
{{List of International Electrotechnical Commission standards
ISO/IEC standards
Audio codecs
MPEG