Quote:
Originally Posted by Asmodian
Edit: bandwidth costs money, even only in-device bandwidth... probably the real reason 4:2:0 is still standard.
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But I would venture
you actually save bandwidth if you go 4:4:4 and let the encoder do its perceptual compression.
4:2:0 is simply a rather crude form of perceptual compression. By using 4:4:4 you give the encoder the full and much more flexible power on how to compress efficiently.