MPEG Multichannel

7.1 channelsMultichannel support
MPEG Multichannel is an extension to the MPEG-1 Layer II audio compression specification, as defined in the MPEG-2 Audio standard (ISO/IEC 13818-3) which allows it provide up to 5.1-channels (surround sound) of audio.wikipedia
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MPEG-1 Audio Layer II

MP2MPEG-1 Layer IIMUSICAM
MPEG Multichannel is an extension to the MPEG-1 Layer II audio compression specification, as defined in the MPEG-2 Audio standard (ISO/IEC 13818-3) which allows it provide up to 5.1-channels (surround sound) of audio.
MPEG-1 layer 2 is the standard audio format used in the Video CD and Super Video CD formats (VCD and SVCD also support variable bit rate and MPEG Multichannel as added by MPEG-2).

MPEG-2

MPEG2H.222MPEG 2
MPEG Multichannel is an extension to the MPEG-1 Layer II audio compression specification, as defined in the MPEG-2 Audio standard (ISO/IEC 13818-3) which allows it provide up to 5.1-channels (surround sound) of audio.

Super Video CD

SVCDChina Video DiscChina Video Disc (CVD)
The Super Video CD (SVCD) standard supports MPEG Multichannel.
Audio may have up to 6 channels (in a 5.1 arrangement) using the MPEG Multichannel surround sound format, although space constraints and inconsistent hardware support make it impractical, and very uncommon.

MPEG-1

MPEG-1 Part 2MPGMPEG1
More recent testing has shown that MPEG Multichannel (based on MP2), despite being compromised by an inferior matrixed mode (for the sake of backwards compatibility) rates just slightly lower than much more recent audio codecs, such as Dolby Digital (AC-3) and Advanced Audio Coding (AAC) (mostly within the margin of error—and substantially superior in some cases, such as audience applause).

TooLAME

MCTooLAME: TooLAME fork with MPEG Multichannel 5.1-channel surround sound encoding: http://mctoolame.sourceforge.net/

Sound

audiosound wavesound waves
MPEG Multichannel is an extension to the MPEG-1 Layer II audio compression specification, as defined in the MPEG-2 Audio standard (ISO/IEC 13818-3) which allows it provide up to 5.1-channels (surround sound) of audio.

International Organization for Standardization

ISOISO standardInternational Organisation for Standardisation
MPEG Multichannel is an extension to the MPEG-1 Layer II audio compression specification, as defined in the MPEG-2 Audio standard (ISO/IEC 13818-3) which allows it provide up to 5.1-channels (surround sound) of audio.

International Electrotechnical Commission

IECInternational Electrotechnical Commission (IEC)(IEC)
MPEG Multichannel is an extension to the MPEG-1 Layer II audio compression specification, as defined in the MPEG-2 Audio standard (ISO/IEC 13818-3) which allows it provide up to 5.1-channels (surround sound) of audio.

Surround sound

Surround5.1 surround sound5.1
MPEG Multichannel is an extension to the MPEG-1 Layer II audio compression specification, as defined in the MPEG-2 Audio standard (ISO/IEC 13818-3) which allows it provide up to 5.1-channels (surround sound) of audio.

DVD

DVD-ROMDVDsDVD-9
It was originally a mandatory part of the DVD specification for European DVDs, but was dropped in late 1997, and is rarely used as a result.

ATSC standards

ATSCdigitalATSC standard
MPEG Multichannel audio was proposed for use in the ATSC digital TV broadcasting standard, but Dolby Digital (aka.

Digital television

digitaldigital TVDTV
MPEG Multichannel audio was proposed for use in the ATSC digital TV broadcasting standard, but Dolby Digital (aka.

Dolby Digital

Dolby Digital 5.1AC3AC-3
MPEG Multichannel audio was proposed for use in the ATSC digital TV broadcasting standard, but Dolby Digital (aka.

Massachusetts Institute of Technology

MITM.I.T.Massachusetts Institute of Technology (MIT)
This is a matter of significant controversy, as it has been revealed that the organizations (The Massachusetts Institute of Technology and Zenith Electronics) behind 2 of the 4 voting board members received tens of millions of dollars of compensation from secret deals with Dolby Laboratories in exchange for their votes.

Zenith Electronics

ZenithZenith Radio CorporationZenith Radio
This is a matter of significant controversy, as it has been revealed that the organizations (The Massachusetts Institute of Technology and Zenith Electronics) behind 2 of the 4 voting board members received tens of millions of dollars of compensation from secret deals with Dolby Laboratories in exchange for their votes.

Dolby Laboratories

DolbyDolby VisionDolby Labs
This is a matter of significant controversy, as it has been revealed that the organizations (The Massachusetts Institute of Technology and Zenith Electronics) behind 2 of the 4 voting board members received tens of millions of dollars of compensation from secret deals with Dolby Laboratories in exchange for their votes.

AC3Filter

AC3
It can decode the audio formats AC3, DTS, and MPEG Multichannel.