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After Effects Slow Motion and shutter speed

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Geoffrey Weglarz
After Effects Slow Motion and shutter speed
on Jun 19, 2011 at 7:58:40 pm

I recently shot some action footage at a shutter speed of 500. I am trying to find the best way to add slow motion to parts of the clip. I have looked at some of the tutorials, but have not found anything that explains the timewarp effect in detail.

Any suggestions are appreciated.

Geoffrey


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Walter Soyka
Re: After Effects Slow Motion and shutter speed
on Jun 19, 2011 at 8:23:40 pm

The Timewarp effect documentation [link] explains each parameter. Do you have a specific question we can try to help with?

Walter Soyka
Principal & Designer at Keen Live
Motion Graphics, Widescreen Events, Presentation Design, and Consulting
RenderBreak Blog - What I'm thinking when my workstation's thinking
Creative Cow Forum Host: Live & Stage Events


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Tudor "Ted" Jelescu
Re: After Effects Slow Motion and shutter speed
on Jun 19, 2011 at 8:25:03 pm

Since you have the footage at 500fps, you have slow motion already. If you import the footage in AE at 29.97 or 25 or whatever fps you are working at, you will have instant slow motion. You are probably asking how can you have speed changes in the shot. Time Remapping is one way to do it:
http://help.adobe.com/en_US/aftereffects/cs/using/WS3878526689cb91655866c11...

Tudor "Ted" Jelescu
Senior VFX Artist


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Walter Soyka
Re: After Effects Slow Motion and shutter speed
on Jun 19, 2011 at 8:27:06 pm

Maybe I misread the initial post. Geoffrey, do you have 500fps video, or video at a standard frame rate shot with a shutter speed of 1/500th of a second?

Walter Soyka
Principal & Designer at Keen Live
Motion Graphics, Widescreen Events, Presentation Design, and Consulting
RenderBreak Blog - What I'm thinking when my workstation's thinking
Creative Cow Forum Host: Live & Stage Events


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Tudor "Ted" Jelescu
Re: After Effects Slow Motion and shutter speed
on Jun 19, 2011 at 8:29:26 pm

Or I may be wrong- Walter I think you read it well, the shutter speed is 500. In any case, Time Warp or Time Remapping will do the trick.

Tudor "Ted" Jelescu
Senior VFX Artist


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Geoffrey Weglarz
Re: After Effects Slow Motion and shutter speed
on Jun 20, 2011 at 1:52:43 pm

Yes the shutter speed was 500, not 500fps. So, I have real clear images in the footage at every frame. I played some with Time Warp but need to look at the parameters cloder.

Thanks for your help.


Geoffrey


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Dave LaRonde
Re: After Effects Slow Motion and shutter speed
on Jun 20, 2011 at 3:12:11 pm

How slow do you intend to make this footage? No matter how good the software is, you can't recreate the "bullet flying through the apple" sort of slo-mo with a normal camera shooting at a normal frame rate.

The way to do good slo-mo is to use a camera that shoots at a high frame rate, then display the footage at a normal frame rate.

Dave LaRonde
Sr. Promotion Producer
KCRG-TV (ABC) Cedar Rapids, IA


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Geoffrey Weglarz
Re: After Effects Slow Motion and shutter speed
on Jun 25, 2011 at 7:06:18 pm

Thanks for all of the feedback. I used the time remapping effect in AE5 and was able to get what I needed. Each frame was clear and not blurry, which is what I was searching for.


Thanks.


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