MPEG

MPEG

1. Moving Picture Experts Group.

2. A lossy compression method (from the Moving Picture Experts Group) used for coding audio-visual information including video and music. The first version was denoted MPEG-1, later versions are MPEG-2 and MPEG-4. A version developed for audio is known as MP3 (MPEG Audio Layer 3):

MPEG-1	For VHS quality. Approved November 1991.
MPEG-2	For DVD quality and used by Digital TV and set top boxes. Approved November 1994.
MPEG-4	Offers improved coding efficiency over previous versions with improved quality of the coded video and audio. This method is particularly suited to low bit rates as used for streaming video over the internet. For details see www.apple.com/mpeg4.

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