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.
China Blue High-Definition (CBHD) (中国蓝光高清光盘) (China High Definition DVD), är ett högupplöst optiskt skivformat som tillkännagavs i september 2007 av Optical Memory National Engineering Research Center (OMNERC) i Tsinghua University i Kina.