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duch

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  1. There is a confusion here. Y'CbCr 4:4:4 is NOT R'G'B' and you won't ever be able to get back to "true" R'G'B' (ie having every legal codeword representing a discrete color) once your signal went through the matrix transform that convert it to luma and a pair of colour differences, whatever you do. Transcoding to Y'CbCr (with or without chroma subsampling) means that 3/4 of the codewords won't represent a valid R'G'B' combination : you lose signal to noise ratio and won't get it back when transcoding to R'G'B' again. Using 8, 10 or one million bit per channel won't change the fact that you'll s
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