China Blue High-definition Disc

China Blue High-Definition (CBHD; Chinese: 中国蓝光高清光盘; alternatively "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.

For the Founding Director of the Center for Bioethics & Human Dignity (CBHD), see John Kilner.
CH DVD
Media typeHigh-density optical disc
Developed byDVD Forum, Optical Memory National Engineering Research Center (OMNERC)
UsageData storage, including high-definition video

The format is a derivative of the HD DVD, a medium created by the DVD Forum designed to succeed regular DVDs.

Although HD DVD was scrapped as a result of losing the format war to Blu-ray, CBHDs continued to be produced and marketed, though only in China.

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