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Serial digital interface
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====Colorimetry==== As YPbPr (and YCbCr) are both derived from the [[RGB]] colorspace, a means of converting is required. There are three [[colorimetry|colorimetries]] typically used with digital video: * SD and ED applications typically use a colorimetry matrix specified in [[Rec. 601|ITU-R Rec. 601]]. * Most HD, dual link, and 3 Gbit/s applications use a different matrix, specified in [[Rec. 709|ITU-R Rec. 709]]. * The [[Multiple sub-Nyquist sampling encoding|1035-line MUSE]] HD standards specified by SMPTE 260M (primarily used in [[Japan]] and now largely considered obsolete), used a colorimetry matrix specified by SMPTE 240M. This colorimetry is nowadays rarely used, as the 1035-line formats have been superseded by 1080-line formats.
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