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After Effects Help....

post #1 of 2
1/10/08 at 11:43pm
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I've been working on a project for about a year. About 2 months ago I finished shooting and started editing, the editing went smooth, and I had a rough cut after about 2 days. There is only one problem, I had to shoot one scene with myself as the only crew handling sound and camera. So there is some shots with the mic blatently in the shot. I tried cropping it like I normally would, but this has created a very choppy scene. My friend told me to use after effects to mask the original uncropped footage, I've done something similar in photoshop a few years ago, but don't know how to achieve it in after effects. Basically I want to cut out the mic from the shot, and then replace it with footage from other shots from the same angle.

Can someone possibly tell me how to do this? I've had AE 5 on my computer for a few years, but have never touched it. So anything would help. Thanks
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post #2 of 2
1/17/08 at 11:35pm
As long as the camera was not moved during the shot, here is how I would fix it.

1. Put the second footage under the shot you want to use in the timeline
2. Go through the shot and whenever you see the mic pop into the shot, mask the area around the mic.
3. You may have to reverse the masking (that is, if after you apply the mask, the mic is all that shows up, you need to reverse it). That would be under Mask on the timeline. Just click the inverted box.
4. Do it in a small enough area (only the mic's position) to avoid being noticable if - say grass blows or something in that part of the shot
5. If the action is moving to where the mic is in the shot at, you will have to do this frame by frame. If no action moves to that area, do it for a bulk of the shot (you use the clock function in the timeline to do that) and you should be fine.


In the future, what you need to do if you even think there might be a problem, turn the camera on with nothing in the shot at all and let it run for around a minute to create a background plate. This is what you will use for any shots that need to be fixed in the future. This is almost impossible to do handheld though.
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