Originally Posted by Serge
You're right, Cliff. 4:4:4 is too much for HDMI 1.3
4:2:2 10 or 12 bits is ok.
I say just about anything...

4:4:4 subsampling it too much for HDMI 1.3 ... for 4k resolution. Not for 1080p wink
HDMI 1.3 is compatible with 4k@30p 4:2:0 but new HDCP version does not make this possible with 1080p projectors.

So 1080p@24 4:4:4 10/12bits is ok for the HD621 cool

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