CH-DVD

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CH-DVD (China High Definition DVD) is a proposed high definition optical disc format announced in September 2007 by the Optical Memory National Engineering Research Center (OMNERC) of Tsinghua University in China.

There are some similarities between CH-DVD and Toshiba's HD DVD format, however the video compression and copy protection will be different.[1][2][3][4] CH-DVD will support HD-DVD's Advanced Content (interactive applications) and will also use the AVS audio and video codec, owned by the Chinese government. CH-DVD's developers claim the format contains more copy protection features and is part of a big push by China to fight piracy as well as cut down on royalty payments for foreign patents.[5]

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