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afterdawn.com > forums > archived forums > divx / xvid > audio gets more out of sync over timeline
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Audio Gets More Out of Sync Over Timeline
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D40
Suspended permanently
_ 		14. September 2008 @ 18:18 _ Link to this message    Send private message to this user   
I am trying to sync the audio with the video in an avi clip using the Interleave adjustment in VirtualDub, but if I adjust it to be in sync at the end then it's out at the begining. The same is true if I sync the beginning it's out at the end. The sound is not out of sync equally over the whole video it gradually increases from start to finish. Is there a way to correct this kind of sync problem?
Thanks for any advise.
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attar
AfterDawn Addict
_ 		14. September 2008 @ 19:02 _ Link to this message    Send private message to this user   
Try this:

'Video' => 'Direct Stream Copy'
'Video' => 'Frame rate..' => 'Change so audio and video durations match'
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D40
Suspended permanently
_ 		14. September 2008 @ 20:00 _ Link to this message    Send private message to this user   
It's better but is very strange because as I jump around from point to point some places it's dead on and others it's way off, like it's changing through the timeline. Maybe I should back up and ask a more basic question. The original flv file is dead on all the way through so maybe I'm using the wrong conversion. When I go to convert it to an avi format I am presented with an array of different avi types. I picked DivX because I recognize that one but maybe one of the other choices would work better, I say this because when I load the clip into VirtualDub I get a warning that it's a variable bit rate format, etc. That may be the problem. What would be the prefered type of avi to convert to?
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jony218
Suspended due to non-functional email address
_ 		14. September 2008 @ 21:11 _ Link to this message    Send private message to this user   
Try using the xvid codec, that might fix your problem. When using the divx codec sometimes I also get audio/sync problems.

If that doesn't work, use the free audacity to rip the audio from the file into a wav, then resave it as a mp3. And then join it again with the video in virtuadub.

http://audacity.sourceforge.net/


Also you can try doing your flv to avi editing in avidemux, I got good results with that program.

http://fixounet.free.fr/avidemux/screenshots.html
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