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Problem with color spaces

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Martin PedrazaProblem with color spaces
by on Jan 6, 2016 at 3:09:30 pm

Hl! I've been struggling with something, and I'm about to out of my mind.

I've received some footage, which has a HDTV (Rec 709) Y'Cb'Cr profile. I have to replicate some graphic elements in there, and send them back to my buddy who is editing in FCP7. with the same Rec 709 footage.

Here's the deal. Whenever I pick a color from the graphics in the sent footage, I see it just fine, colors match, I render to an uncompressed .mov, and send it to him, and the colors don't match. Is there a workflow I'm missing for this sort of color space? I'm completely lost. I'm working in the default AE color space, i've tried a few of the others, but I don't really know what I'm doing.

As a sort of diagnostic, i asked him to export a single frame from final cut, so i can re-export it from AE without compression, to see if the color changed, and of course, the problem persists. What's the correct workflow for working with this footage?

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Walter SoykaRe: Problem with color spaces
by on Jan 6, 2016 at 3:42:33 pm

FCP7 may incorrectly guess gamma for RGB video (like the Animation codec). You can correct this easily in FCP7. Import the clip into FCP7. Select the clip, then hit Cmd+9 to open Item Properties. Right-click the gamma value (normally set to Source) and set it to 2.2.

Walter Soyka
Designer & Mad Scientist at Keen Live [link]
Motion Graphics, Widescreen Events, Presentation Design, and Consulting
@keenlive [twitter]   |   RenderBreak [blog]   |   Profile [LinkedIn]

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Martin PedrazaRe: Problem with color spaces
by on Jan 6, 2016 at 3:49:56 pm

You are my hero! Huge thanks!

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