xvYCC or extended-gamut YCbCr is a color space that can be used in the video electronics of television sets to support a gamut 1.8 times as large as that of the sRGB color space.[1][2][3] xvYCC was proposed by Sony,[4] specified by the IEC in October 2005 and published in January 2006 as IEC 61966-2-4. xvYCC extends the ITU-R BT.709 tone curve by defining over-ranged values.
xvYCC-encoded video retains the same color primaries and white point as BT.709, and uses either a BT.601 or BT.709 RGB-to-YCC conversion matrix and encoding.[4] This allows it to travel through existing digital limited range YCC data paths, and any colors within the normal gamut will be compatible.[4] It works by allowing negative RGB inputs and expanding the output chroma. These are used to encode more saturated colors by using a greater part of the RGB values that can be encoded in the YCbCr signal compared with those used in Broadcast Safe Level.[4] The extra-gamut colors can then be displayed by a device whose underlying technology is not limited by the standard primaries.[4]
In a paper published by Society for Information Display in 2006, the authors mapped the 769 colors in the Munsell Color Cascade (so called Michael Pointer's gamut) to the BT.709 space and to the xvYCC space. About 55% of the Munsell colors could be mapped to the sRGB gamut, but 100% of those colors map to within the xvYCC gamut.[5] Deeper hues can be created – for example a deeper cyan by giving the opposing primary (red) a negative coefficient. The quantization range of the xvYCC601 and xvYCC709 colorimetry is always Limited Range.[6]
^"Color gamuts of Rec709 and xvYCC". res18h39.netlify.app. Retrieved 2021-01-29.
^ abcde"xvYCC". Sony Global. Archived from the original on August 29, 2009. Retrieved 2009-08-13.
^Tatsuhiko Matsumoto; Yoshihide Shimpuku; Takehiro Nakatsue; Shuichi Haga; Hiroaki Eto; Yoshiyuki Akiyama & Naoya Katoh (2006). 19.2: xvYCC: A New Standard for Video Systems using Extended-Gamut YCC Color Space. SID INTERNATIONAL SYMPOSIUM. Society for Information Display. pp. 1130–1133. doi:10.1889/1.2433175.
^"A DTV Profile for Uncompressed High Speed Digital Interfaces (ANSI/CTA-861-H)". Consumer Technology Association®. p. 44. Retrieved 2021-03-11.
over-ranged values. xvYCC-encoded video retains the same color primaries and white point as BT.709, and uses either a BT.601 or BT.709 RGB-to-YCC conversion matrix...
also be used for extension of the nominal color gamut, as specified by xvYCC. The value 235 accommodates a maximum overshoot of (255 - 235) / (235 -...
some HDMI features are optional, such as deep color and xvYCC (which is branded by Sony as "x.v.Color"). Since the release of HDMI 1.4, the HDMI Licensing...
used widely in video and image compression schemes such as MPEG and JPEG. xvYCC is a new international digital video color space standard published by the...
range uniform color space. Other similar color spaces: YPbPr YDbDr YIQ xvYCC sYCC Cylindrical transformations seek to turn a color model into three components:...
channel bandwidth (from 1 Mbit/s to 720 Mbit/s), more color spaces including xvYCC, scRGB, and Adobe RGB 1998, and Global Time Code (GTC) for sub 1 μs audio/video...
Yoshiyuki Akiyama & Naoya Katoh (2006). 19.2: xvYCC: A New Standard for Video Systems using Extended-Gamut YCC Color Space. SID INTERNATIONAL SYMPOSIUM. Society...
source. Features specific to HDMI such as remote control, audio transport, xvYCC and deep color are not usable in devices that support only DVI signals....
picture-in picture hardware acceleration, and support for Deep Color and xvYCC.[citation needed] The memory controller in the Pentium supports DDR3-1066...
outputs, all of which can be simultaneously active. Display pipeline supports xvYCC gamut and 12-bit per component output via HDMI. HDMI 1.3a output. The previous...
the same CMOS chip as the HDR-HC3, and added an option of recording in xvYCC color space. The replacement model, the HDR-HC7 came with a higher pixel...
wide color gamut scRGB (which for HDMI 1.3 can be converted and output as xvYCC). The video modes supported in Windows 7 are 16-bit sRGB, 24-bit sRGB, 30-bit...
would support 48-bit scRGB (which for HDMI can be converted and output as xvYCC). The components in Windows 7 that support 48-bit scRGB are Direct3D, the...
also been implemented. For instance, the Unix image viewer and color editor xv allowed six user-definable hue (H) ranges to be rotated and resized, included...
ISBN 0-471-45212-2. Clint DeBoer (April 16, 2008). "HDMI Enhanced Black Levels, xvYCC and RGB". Audioholics. Retrieved June 2, 2013. "Digital Color Coding" (PDF)...
wide color gamut scRGB (which for HDMI 1.3 can be converted and output as xvYCC). The video modes supported in Windows 7 are 16-bit sRGB, 24-bit sRGB, 30-bit...
off-angle gamma shift. Some high-end Sony BRAVIA LCD TVs offer 10-bit and xvYCC color support, for example, the Bravia X4500 series. S-PVA also offers fast...
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