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Digital Video and HD, 2nd Edition by Charles Poynton

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MPEG-2 storage and transport

Multimedia encompasses video and audio, potentially accompanied by other elements such as subtitles, coded in a manner suitable for synchronous presentation to the viewer. Many video compression systems are in use; for consumer use, MPEG-2 and H.264 are widely used. Many audio compression systems are in use; in the consumer domain, Dolby Digital (AC-3) and MPEG-1 Level III (MP3) are widely used.

Multimedia broadcasting or distribution requires that the various elements – essences, in the lingo of multimedia are multiplexed into a single file or stream where the video and audio elements can subsequently be synchronized so as to be presented simultaneously.

In multimedia computing, multiplexing is accomplished ...

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