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Which rendering codec to use?

Posted: Wed, 16th Dec 2009, 11:52pm

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gamecocktrev

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Hey, I'm new to this. I've been having a problem with my videos jumping around, sort of like they are skipping. I don't know what is causing this. I just installed new codecs and they did not fix the problem. Does this have something to do with the scan method? Please Help!
Posted: Thu, 17th Dec 2009, 1:47am

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Axeman

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Can you describe the jumps in more detail? The wrong scan method will result in stuttered playback, as if the frames are out of order. Basically, they will play back 2,1,4,3,6,5,8,7, etc, so that could possibly be the problem.

Did you preview render? Trying to play your project back without preview rendering will result in very choppy playback, as many frames just won't have time to render, so they won't be displayed. More info on preview rendering here.
Posted: Sat, 1st May 2010, 8:02pm

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alectheman

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Hey. I have had the same problem and I use Sony Webbie HD Camera and inside my Compositelab program the footage skips around and the frames are out of order. If I can fix this with the correct scan method for my footage, then how do I know which scan method is proper for my footage? My camera saves each clip as mp4 and it is 720p. Thanks
Posted: Sat, 1st May 2010, 11:26pm

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Axeman

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What are you using to convert the .mp4 footage before you import it into CompositeLab? When you convert it, make sure to convert it to a proper intermediate codec, rather than keeping it in an acquisition codec like .mp4.
Posted: Tue, 22nd Jun 2010, 3:35am

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alectheman

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To convert the file, I put it into Sony Vegas Movie Studio and render it as an Avi file. <-- Is that bad? I'm not exactly sure what the scan method of the Mp4 is either.
Posted: Tue, 22nd Jun 2010, 3:46am

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Axeman

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Rendering to an avi file isn't bad, but the codec you use when creating the .avi file is critical. I don't use .avi files much myself (I stick with .mov), so I don't know what the good intermediate codecs are for .avi, but someone else around here should have an idea. Any variation of mpeg, including h.264, should be avoided though, for editing purposes.
Posted: Tue, 22nd Jun 2010, 3:51am

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alectheman

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What is a good codec for rendering it as a .mov in vegas? Maybe I should start using that. Oh and when I do the RAM preview the frames are slightly order, but it still is really jittery and makes the footage skip back and forth a bunch of times.
Posted: Tue, 22nd Jun 2010, 3:55am

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Axeman

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Weirdness in frame order is almost certainly down to the codec that is being used.

For .mov files, Animation, or Apple Intermediate are both good choices for codecs.
Posted: Tue, 22nd Jun 2010, 4:04am

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alectheman

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SO if I were to use the Animation Codec would I use it in rendering from Vegas or Composite lab? or Both?
Posted: Tue, 22nd Jun 2010, 6:54am

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Axeman

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Both. You'll want to keep the footage in a high-quality codec right through until you export the final version for Vegas.
Posted: Tue, 22nd Jun 2010, 6:10pm

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alectheman

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Great! It works now! I rendered with the Animation Codec both in Vegas and composite lab, and it stopped being jittery. Thanks a lot!