CIE 1931 rec.2020 vs rec.709 Published December 3, 2012 at 1168 × 1400 in So you bought a 4K TV, now where is the 4K content? A CIE 1931 chromaticity diagram showing plots of the UHDTV color gamut standard put forth by the ITU, called rec.2020 and the current HDTV color gamut standard, rec.709. Rec.2020 is a significantly larger gamut that demands new content.
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