MPEG-D is a group of standards for audio coding formally known as ''
ISO
ISO is the most common abbreviation for the International Organization for Standardization.
ISO or Iso may also refer to: Business and finance
* Iso (supermarket), a chain of Danish supermarkets incorporated into the SuperBest chain in 2007
* Iso ...
/
IEC
The International Electrotechnical Commission (IEC; in French: ''Commission électrotechnique internationale'') is an international standards organization that prepares and publishes international standards for all electrical, electronic and r ...
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 audio compression format and 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 by Moving Picture Experts Group (MPE ...
* 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 ...
References
{{List of International Electrotechnical Commission standards
ISO/IEC standards
Audio codecs
MPEG