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Go Back   Blu-ray Forum > Displays > Display Theory and Discussion > New Display Technologies

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Old 10-24-2013, 01:58 AM   #1
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Default Chroma subsampling and Color Spacing: Which is better and why?

Chroma subsampling

Colour Spacing: Which is better and why?

8 bit 4:4:4
12 bit 4:2:2

Last edited by Canada; 10-24-2013 at 02:01 AM.
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Old 10-25-2013, 03:42 AM   #2
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Wendell R. Breland 12 bit, 4:2:2 because there are many more steps between black and white + Deep color. Bit depth determines number of steps, X:X:X determines color to luminance sample ratio.

IMO, there is little chance that we will see more than 8 bit, 4:2:0 in the near future for home use. As it stands H.265 (HEVC) will need extensions ratified in order to accommodate anything greater than 8 bit, 4:2:0.

ADD: Also, the more bits you have the greater the S/N ratio. 8 bit ≈ 48 dB, 10 bit ≈ 60 dB, 12 bit ≈ 72 dB. In the real world these numbers will be different but you get the jest of it.
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Old 06-10-2021, 09:42 PM   #3
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Sharp's colour spacing is unique.
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