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Re: MAC / CS3 / DVCPRO-HD color shifting

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Re: MAC / CS3 / DVCPRO-HD color shifting
by Kris A. Wotipka on Jul 13, 2008 at 1:56:16 am

DISCLAIMER: I do not have AE. I am working on this issue for a friend of mine. I am very familiar with the whole YUV<>RGB issue. I came across this and figure I would pass it on to this group in the hopes of helping find a solution. Please do complain if it doesn't work.

http://kb.adobe.com/selfservice/viewContent.do?externalId=kb402801

From the website:

In order to provide consistency between platforms, After Effects CS3 adds a metadata tag to exported QuickTime movie files that specifies what gamma adjustment to use. When this tag is present, QuickTime Player uses that value instead of what it normally would use for that codec, and the resulting adjustment is consistent between Mac OS and Windows.

The value that After Effects CS3 uses for this tag is always 2.2. This value is correct for most YUV codecs such as DV and v210. However, for RGB codecs, 2.2 is not often the correct value. This means that files that use RGB codecs (such as Animation or None) are over-corrected and look washed out or too light.

kris@wotipka.com
Image maker


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