12 Facts About MPEG-2


MPEG-2 is widely used as the format of digital television signals that are broadcast by terrestrial, cable, and direct broadcast satellite TV systems.

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MPEG-2 was the second of several standards developed by the Moving Pictures Expert Group and is an international standard .

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Parts 1 and 2 of MPEG-2 were developed in a collaboration with ITU-T, and they have a respective catalog number in the ITU-T Recommendation Series.

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MPEG-2 includes a Systems section, part 1, that defines two distinct, but related, container formats.

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Video section, part 2 of MPEG-2, is similar to the previous MPEG-1 standard, but provides support for interlaced video, the format used by analog broadcast TV systems.

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Part 7 of the MPEG-2 standard specifies a rather different, non-backwards-compatible audio format .

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The majority of patents underlying MPEG-2 technology are owned by three companies: Sony, Thomson and Mitsubishi Electric .

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ATSC specification and MPEG-2 allow the use of progressive frames, even within an interlaced video sequence.

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MPEG-2 audio was a contender for the ATSC standard during the DTV "Grand Alliance" shootout, but lost out to Dolby AC-3.

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MPEG-2 is one of the three supported video coding formats supported by Blu-ray Disc.

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Where Software patentability is upheld and patents have not expired, the use of MPEG-2 requires the payment of licensing fees to the patent holders.

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Patent pooling between essential and peripheral patent holders in the MPEG-2 pool was the subject of a study by the University of Wisconsin.

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