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Prores exports

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Chris Campbell
Prores exports
on Sep 26, 2012 at 5:02:08 pm

I need to deliver ProresHQ Quicktime files from my Avid Symphony (V6.03).
My timeline is all DNX220X. Would I be better off doing a direct export to prores from avid, or doing a mixdown of my sequence to ProresHQ MXF
and then doing a same as source export? I did a quick test and it looks
like there is a slight gamma change between the 2. My color bars are also getting clipped at zero (no darker than black) on the direct to prores export. Just wondering what other people are doing.


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John Pale
Re: Prores exports
on Sep 26, 2012 at 7:11:19 pm

Mixdown first seems to fix the problem


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Michael Phillips
Re: Prores exports
on Sep 26, 2012 at 11:40:42 pm

Mixing down and exporting same as source is the way to go and not get the gamma shift issues.

Michael


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Chris Campbell
Re: Prores exports
on Sep 27, 2012 at 3:31:18 pm

OK, I will go the mixdown route.
Does anybody know if this is just a prores problem, or
is it risky doing exports to certain other codecs as well?
Thanks


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Job ter Burg
Re: Prores exports
on Sep 29, 2012 at 8:33:11 am

I'd always try to avoid using the Quicktime encoders for codecs like ProRes and H264. x264 and Main Concept H264 seem to suffer less from gamma shifts than Apple's H264.


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