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Monday 27.1.2025 / 09:34
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afterdawn.com > forums > archived forums > divx / xvid > audio avi reencoding
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Audio AVI Reencoding
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BlairF27
Suspended due to non-functional email address
_ 		14. September 2005 @ 09:07 _ Link to this message    Send private message to this user   
I use VirtualDub to reencode avi's that don't play properly. Usually I end up with a viewable avi file that has no problems. However, once in awhile I end up with an avi which is virtually unwatchable because the audio lags behind the video for up to 30 seconds! Can anyone recommend a solution? There must be a way to reencode the audio and sync it up with the video. A different software program? Or just special settings in VirtualDub?

Any help is greatly appreciated.

Blair :)
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celtic_d
AfterDawn Addict
_ 		14. September 2005 @ 19:22 _ Link to this message    Send private message to this user   
You could try mencoder.
Basically just -ovc copy to copy the video then -oac whatever for the audio, so -oac mp3lame or -oac lavc -lavcopts acodec=ac3, etc.
Combined:
mencoder -ovc copy -oac mp3lame input.AVI -o output.avi
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BlairF27
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_ 		15. September 2005 @ 02:55 _ Link to this message    Send private message to this user   
can you give me a link to the software and tell me the step by step to do what you suggest? i'm fairly new at all this.
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celtic_d
AfterDawn Addict
_ 		15. September 2005 @ 06:26 _ Link to this message    Send private message to this user   
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BlairF27
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_ 		15. September 2005 @ 06:54 _ Link to this message    Send private message to this user   
thanks mch!
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BlairF27
Suspended due to non-functional email address
_ 		15. September 2005 @ 14:38 _ Link to this message    Send private message to this user   
actually, i do have another question. suppose i have a bunch of AVI files in a directory. example: c:\tv\2005\new stuff how do i easily get mencoder to find the file? or do i need to have the file in the same directory as mencoder?

another question is file name length. do i need to shorten file names from (let's say) the.wonder.years.s01e01.AVI to wy.0101.AVI? or is it not any big deal?
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celtic_d
AfterDawn Addict
_ 		15. September 2005 @ 19:23 _ Link to this message    Send private message to this user   
You mean process all the AVI files automatically? Use a for command.
If you use "" then it should handle any input eg. "c:\movies & stuff\he.wonder.years.s01e01.avi" will be fine.
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