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HDMI data rates for 4K HDR formats
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ResolutionFrame rateChroma SubsamplingBit Depth per channelHDR formatsHDMI Data RateRequired link speedHDBaseT compatible
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Source
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3840x2160p UHD23.98, 24, 25, 29.97, 304:2:0^8none8.91Gbps9.0GbpsYes
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10HDR-10 & HLG
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12Dolby Vision
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4:2:28none8.91Gbps9.0GbpsYes
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10HDR-10 & HLG
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12Dolby Vision
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4:4:48none8.91Gbps9.0GbpsYes
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10HDR-10 & HLG11.14Gbps18Gbpswith compression*
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12Dolby Vision13.37Gbps18GbpsNo
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3840x2160p UHD48, 50, 59.94, 604:2:08none8.91Gbps9.0GbpsYes
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10HDR-10 & HLG11.14Gbps18Gbpswith compression*
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12Dolby Vision13.37Gbps18GbpsNo
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4:2:28none17.82Gbps18Gbpswith compression*
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10HDR-10 & HLGwith compression*
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12Dolby VisionNo
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4:4:48none17.82Gbps18Gbpswith compression*
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10HDR-10 & HLG20.05Gbps#24-48Gbps HDMI 2.1No
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12Dolby Vision24.06Gbps#24-48Gbps HDMI 2.1No
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^ 23.98-30fps 4:2:0 content (e.g.; from Blu-ray, broadcast and OTT) is upconverted to another format such as (most commonly) 10/12-bit 4:2:2 23.98-30fps or possibly10-bit 4:2:0 48-60fps for transmission in HDMI
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* HDBaseT with VESA DSC compression is fundamentally compatible with HDR-10, but not Dolby Vision. Furthermore, DSC version 1.1 does not support 4:2:0 chroma subsampling, but DSC 1.2 or later does. It is also necessary to check with your vendor for compatibility where other forms of compression or compression-alternative solutions including so-called "color space conversion" (CSC) &/or chroma subsampling are employed.
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# Anticipated data rates using upcoming HDMI 2.1 methodology.
© CEDIA 2018
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