CBHD


CBHD

Infobox media
name=CH DVD
logo=


type=High-density optical disc
encoding=
capacity=
read=
write=
standard=
owner= DVD Forum, Optical Memory National Engineering Research Center (OMNERC)
use=Data storage, including high-definition video
extended from=
extended to=

"CBHD" (China Blue High-Definition), formerly known as "CH-DVD" (China High Definition DVD), is a high definition optical disc format announced in September 2007 by the Optical Memory National Engineering Research Center (OMNERC) of Tsinghua University in China. The format was a joint venture between the DVD Forum and OMBERC in 2005, and it was officially completed in 2007. [http://www.dvdforum.org/40scmtg-resolution.htm] In 2008 during the DVD Forum's 42st Steerling Committee Meeting the DVD Forum gave OMNERC the ability to edit HD DVD specifications. [http://www.dvdforum.org/41scmtg-resolution.htm]

Shanghai United Optical Disc has completed the establishment of its first production line for CBHD, and will start volume production in the fourth quarter of 2008 for the Chinese market initially. [http://www.theregister.co.uk/2008/07/29/china_cbhd_ready/]

There are some similarities between CBHD and the DVD Forum's HD DVD format, however the video compression and copy protection will be different. [ [http://www.efluxmedia.com/news_China_Adopts_New_HD_Disc_Standard_HD_DVD_Reaches_51GB_08434.html China Adopts New HD Disc Standard, HD DVD Reaches 51GB ] ] [ [http://www.engadget.com/2007/09/09/china-announces-ch-dvd-a-new-high-definition-dvd-standard/ China announces CH-DVD, a new high definition DVD standard - Engadget ] ] [ [http://www.betanews.com/article/New_Chinese_Involvement_Could_Trigger_HD_DVD_Price_Plunge/1189196071 BetaNews | New Chinese Involvement Could Trigger HD DVD Price Plunge ] ] [ [http://www.efluxmedia.com/news_China_Adopts_New_HD_Disc_Standard_HD_DVD_Reaches_51GB_08434.html China Adopts New HD Disc Standard, HD DVD Reaches 51GB ] ] CBHD will use the AVS audio and video codec, owned by the Chinese government. CBHD'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. [http://stor-age.zdnet.com.cn/stor-age/2007/0907/495410.shtml High-definition discs Industry Alliance of China officially established its debut CH-DVD] , ZDnet China, September 7, 2007]

See also

* HD DVD
* China Video Disc
* Comparison of high definition optical disc formats
* Enhanced Versatile Disc
* Blu-ray Disc

References

External links

* [http://www.chinahda.org.cn/ Official Site]
* [http://stor-age.zdnet.com.cn/stor-age/2007/0907/495410.shtml High-definition discs Industry Alliance of China officially established its debut CH-DVD] , ZDnet China, September 7, 2007
* [http://home.businesswire.com/portal/site/google/index.jsp?ndmViewId=news_view&newsId=20070906006388&newsLang=en Business Wire press release]
* [http://www.dvorak.org/blog/?p=13535 John C. Dvorak blog]
* [http://thefutureofthings.com/news/1283/chinas-olympic-hd-dvd.html China's Olympic HD-DVD] - The Future of Things article


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