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4:2:2 vs 4:2:0 for chroma key... Big difference?

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Osiri Sioux
4:2:2 vs 4:2:0 for chroma key... Big difference?
on Mar 24, 2009 at 6:14:11 pm

I was wondering how much of a difference it would make to use a 4:2:2 signal out of a Sony camera and capture live to Apple ProRes 422 using the AJA IO vs. what comes off the HDV tape (4:2:0).

Would it make for noticeably cleaner keys, or would the difference be subtle?

Thanks!

Nick


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Jeremy Garchow
Re: 4:2:2 vs 4:2:0 for chroma key... Big difference?
on Mar 24, 2009 at 7:04:44 pm

[Osiri Sioux] "Would it make for noticeably cleaner keys, or would the difference be subtle? "

It will be much much better. Not only is it 4:2:2, it is alos 10 bit precision. You will have a mch easier time keying from ProRes captured files straight off the camera than HDV.

Jeremy


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