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Embedded Alpha of 0 with visable RGB channels.

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Tim FranklinEmbedded Alpha of 0 with visable RGB channels.
by on Aug 31, 2015 at 5:02:59 pm

Hi all,
I am wondering if I can export a video clip with an Alpha channel of 0, totally black while keeping my RGB values. We found a way to do this in Premiere but the process is too slow. Is there a way to do it right in After Effects? Maybe 2015?

I would think exporting with an unpremultiplied alpha would work but for some reason it is not.

Thanks, any help would be greatly appreciated!

-Tim

Tim Franklin
Freelance Visual Effects Artist/ Video Editor
Media Asset Manager, CBS Sports Network
http://www.TimSFranklin.com


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Walter SoykaRe: Embedded Alpha of 0 with visable RGB channels.
by on Aug 31, 2015 at 5:35:53 pm

[Tim Franklin] "I am wondering if I can export a video clip with an Alpha channel of 0, totally black while keeping my RGB values. "

Sadly not.


[Tim Franklin] "I would think exporting with an unpremultiplied alpha would work but for some reason it is not."

Yes, one would think it should.

http://www.adobe.com/go/wish

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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Tim FranklinRe: Embedded Alpha of 0 with visable RGB channels.
by on Sep 1, 2015 at 2:09:41 am

That's too bad. We are testing out just using an RGB image tomorrow.

Thanks!
-Tim

Tim Franklin
Freelance Visual Effects Artist/ Video Editor
Media Asset Manager, CBS Sports Network
http://www.TimSFranklin.com


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