MPEG-D
Encyclopedia
MPEG-D is a group of standards for audio coding formally known as ISO
/IEC
23003 - MPEG audio technologies, published since 2007.
MPEG-D consists of three parts:
International Organization for Standardization
The International Organization for Standardization , widely known as ISO, is an international standard-setting body composed of representatives from various national standards organizations. Founded on February 23, 1947, the organization promulgates worldwide proprietary, industrial and commercial...
/IEC
International Electrotechnical Commission
The International Electrotechnical Commission is a non-profit, non-governmental international standards organization that prepares and publishes International Standards for all electrical, electronic and related technologies – collectively known as "electrotechnology"...
23003 - MPEG audio technologies, published since 2007.
MPEG-D consists of three parts:
- MPEG-D Part 1: MPEG SurroundMPEG SurroundMPEG Surround , also known as Spatial Audio Coding 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 backwards compatible fashion...
(a.k.a. Spatial Audio Coding) - MPEG-D Part 2: Spatial Audio Object Coding (SAOC)
- MPEG-D Part 3: Unified speech and audio codingUnified Speech and Audio CodingUnified Speech and Audio Coding 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 is currently under the development in MPEG and will be defined as an international standard ISO/IEC 23003-3...