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After Effects 7.0 and export to AVI
Hi! I’m working on a project where I’m using After Effects 7.0 for animating lights on a car. When I export it to an AVI file with no compression at all, the motion get a little jumpy. Not much, but enough to ruin my movie, which I am editing in Premiere Pro 2.0. I’ve tried both export and make movie (in Composission menu). The result is the same. I’ve tried Dynamic link as well, with same result. When I’m doing a RAM Preview, all seems okay, and a green line is showing at the top of the timeline. When I’m stopping the Preview, the line become dotted. A couple of frames seems to be rendered, then some frames seems unrendered (no line over them), then some frames rendered, and so it go on. If I export the movie in Quick Time with no compression instead, it seems like it work. The movie isn’t jumpy anymore. Is there someone who can explain why this is happening, and how it can be solved with an AVI file/ movie. My PC is an Fujitsu-Siemens AMDx2 3800+, 2 gigs of Ram and NVIDIA 7900 GTO graphic card.
Per Magne Handegaard
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1 Reply
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It sounds like your machine iasn’t fast enough to process the frames when the movie is uncompressed. Have you tried a RAM preview of the rendered movie? Take a look at the Info WIndow to see if AE is playing the frames in realtime. If it is then check to ensure that the motion is now smooth. RAM is much faster than harddisk and that is one way to view movies with high datarates (uncompressed for example). You should also read on datarate issues and coming to grips with how computers process information.
HTH
Roland Kahlenberg
broadcastGEMs
customizable animated backdrops with Adobe After Effects project files
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