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28th August 2008, 20:34 | #1 | Link |
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How Do I Fix Gradual AVI Sync Problem With VirtualDub?
I have an AVI that gradually loses sync over time. I've tried following the instructions here ( http://forum.doom9.org/showthread.php?t=111451 ) using VirtualDub but the problem is that the file size is HUGE when I save it (from 850mb to over 8gb).
I've tried searching everywhere for a solution to this but I can't seem to find anything. I'm sorry for my ignorance on this matter. Any help/guidance would be greatly appreciated. (I'm not married to VirtualDub, any fix will do). Thanks! |
28th August 2008, 22:03 | #4 | Link |
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Re-read Section B of my post in the thread you earlier referred to at:
http://forum.doom9.org/showpost.php?...95&postcount=3 |
28th August 2008, 23:18 | #8 | Link |
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What was the original source? (The reason I ask is: If it was a VFR video - variable frame rate - like a VFR .mkv or VC1 stream, you have to redo your process converting to .avi properly, this one would be unsalvagable)
If the duration of the audio & video don't match, and this is the usual case for progressively worsening sync problems; this can be fixed by either shinking/expanding either the video or audio to match. The video is usually easier to change. There is more than 1 way to do this, but here is a guide http://www.gromkov.com/faq/faq2004-0064.html |
28th August 2008, 23:42 | #9 | Link |
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Thank you so much for the link. I'd stumbled upon that before but I was confused. I used the method described in "Situation 2" and it took a little trial and error but I got the audio/video synced very closely.
Thanks again for all of your help! |
29th August 2008, 01:59 | #10 | Link |
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@chefelf
Please be courteous enough to answer the questions of those who are trying to assist you: 1) I ask you again, when you originally created the .AVI, did you make it in two parts or only one? 2) Why the odd combination of DivX-style packed bitstream .AVI and AVI v.1.0? And asked by "poisondeathray", what was the original source? |
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avi, fix, sync, virtualdub |
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