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How do I apply an alpha video to another video?

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Micah HarrisHow do I apply an alpha video to another video?
by on May 5, 2012 at 3:09:57 pm

Okay, this feels like an incredibly simple question but I am at my ropes end here. How do I get an alpha video: a black and white video, to mask another full color video?

I'm using this for composting and have looked in a million places and can't find an answer to this one simple question. By the way, I am fairly new to After Effects.


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Todd KoprivaRe: How do I apply an alpha video to another video?
by on May 5, 2012 at 9:26:05 pm

track matte:
http://help.adobe.com/en_US/aftereffects/cs/using/WS3878526689cb91655866c11...

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Todd Kopriva, Adobe Systems Incorporated
product manager, professional video software
After Effects team blog
Premiere Pro team blog
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