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Footage "flicker" with RAM preview and render

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Martin BanksFootage "flicker" with RAM preview and render
by on May 8, 2013 at 5:51:52 am


I have some footage to edit that was shot on a Canon 60D at 25fps.

I have used AE CS6 to put together the clips. There are about 14 precomps in the main composition.

When I RAM preview the playback, and also when I render out the video as an avi or H264, there appears to be a kind of flicker to the footage.

I wouldn't necessarily call it a flicker. There is a horizontal separation in the alignment of the footage as it pans. If that makes sense?

I'm on a Win7 64bit machine with 8GB RAM.

I'm guessing there is some kind of effect I can add to remove the flicker? It almost reminds me of exporting Canon footage from Premiere without using a progressive field order when exporting. Is there something in AE that will sort it?

Any help is grately appreciated.

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Tudor "Ted" JelescuRe: Footage "flicker" with RAM preview and render
by on May 8, 2013 at 8:02:55 am

Rolling Shutter - here's a couple of helpful links:

Tudor "Ted" Jelescu
Senior VFX Artist

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Martin BanksRe: Footage "flicker" with RAM preview and render
by on May 8, 2013 at 11:39:18 pm

The Rolling Shutter Repair seems to have removed the "flicker", however it has darkened my clip somewhat. It was a woman filmed against a white background. Now the background looks like a dirty white or a grey. I have just tried adjust the levels on the clip, however it did nothing.

The clip uses the Multiply blending mode.

Is there a reason for this darkening? Can it be prevented? Is anyone able to suggest a how I can retain the clips original levels and still use the rolling shutter effect?


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