MPEG-D is a group of standards for audio coding formally known as ''
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
MPEG Surround (ISO/ IEC 23003-1 or MPEG-D Part 1), also known as Spatial Audio Coding (SAC) is a lossy compression format for surround sound that provides a method for extending mono or stereo audio services to multi-channel audio in a backwa ...
(a.k.a. Spatial Audio Coding
)
* MPEG-D Part 2: Spatial Audio Object Coding (SAOC)
* MPEG-D Part 3:
Unified speech and audio coding
* 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
References
{{List of International Electrotechnical Commission standards
ISO/IEC standards
Audio codecs
MPEG