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Motion blur from keyed stock footage

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Chris Howe
Motion blur from keyed stock footage
on Feb 25, 2010 at 7:41:26 pm

I got some footage in which the people on screen perform various actions. They're pre-keyed against black. They are easy to key over a background, but when I go to create some motion blur (normally, force motion blur, or changing the phase and angle under comp settings), nothing happens, there's no decay. I don't get it. I've tried pre-comping too. Thanks.


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Joey Foreman
Re: Motion blur from keyed stock footage
on Feb 25, 2010 at 9:05:31 pm

Are you using CC Force Motion Blur?

Do you have Motion Blur enabled for the Comp as well as the layer?

Have you tried overriding AE's Motion Blur?


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Adriano Moraes
Re: Motion blur from keyed stock footage
on Feb 25, 2010 at 9:44:16 pm

Hi there Chris!

Try this:


http://allbetsareoff.com/2010/02/quick-tip-adding-motion-blur-into-your-vid...


Hope it helps.


Cheers!




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Chris Howe
Re: Motion blur from keyed stock footage
on Feb 25, 2010 at 11:12:05 pm

Thank you Adriano. That addressed the issue very clearly. I tried what Aharon suggested and here's what I came up with. Time Warp takes forever so I couldn't really make it work. ReelSmart Motion Blur is great. I downloaded a demo (you can't use it "for real" cause the footage is marked.) It's probably worth the money because it works well and it's very fast. As for Force motion Blur and the others, they do not work and Aharon very neatly skipped over them in his brief tutorial.

Chris


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