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01 What is MPEG?




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This article is from the MPEG FAQ, by Frank Gadegast phade@cs.tu-berlin.de with numerous contributions by others.

01 What is MPEG?

MPEG is a group of people that meet under ISO (the International
Standards Organization) to generate standards for digital video
(sequences of images in time) and audio compression. In particular,
they define a compressed bit stream, which implicitly defines a
decompressor. However, the compression algorithms are up to the
individual manufacturers, and that is where proprietary advantage
is obtained within the scope of a publicly available international
standard. MPEG meets roughly four times a year for roughly a week
each time. In between meetings, a great deal of work is done by
the members, so it doesn't all happen at the meetings. The work
is organized and planned at the meetings.

So what does MPEG stand for?

Moving Pictures Experts Group.

Does it have anything to do with JPEG? (MPEG-video)

Well, it sounds the same, and they are part of the same subcommittee
of ISO along with JBIG and MHEG, and they usually meet at the same
place at the same time. However, they are different sets of people
with few or no common individual members, and they have different
charters and requirements. JPEG is for still image compression.

 

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