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afterdawn.com > forums > archived forums > mpeg-1 and mpeg-2 encoding (avi to dvd) > problem: when you make a vcd, audio goes out-of-sync
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Problem: when you make a VCD, audio goes out-of-sync
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aldaco12
AfterDawn Addict
_ 		22. September 2004 @ 22:38 _ Link to this message    Send private message to this user   
This is my problem:
I usued VirtualDub to add a subtitle to a movie, but the audio goes out-of-sync with the video when the movie goes on playing (e.g. it's OK in-sync at the beginning of the movie, goes out-of-sync +0.5 sec after 1h of movie and +1 sec after 2hrs). Please note that this is the first time that happens to me with a video (I always use DivX multipass to compress the video and it never happened to me before) AND I listened to the original movie which was OK.
What have I done, probably?
What can I do to correct the movie AND to avoid to do the same thing again?

Thanks.
[ + quote]
aldaco12
AfterDawn Addict
_ 		23. September 2004 @ 03:50 _ Link to this message    Send private message to this user   
Well, since no ansers have arrived so far (I have a good time zone with respect the U.S.) I'm tying to repeat it all from the basic 'correct' movie, maybe it has been a casual occurrence.
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This message has been edited since posting. Last time this message was edited on 23. September 2004 @ 03:52
aldaco12
AfterDawn Addict
_ 		23. September 2004 @ 05:19 _ Link to this message    Send private message to this user   
I found the reason!
When you open the .AVI movie with Virtualdub, the following error message appears: "Virtualdub has detected an improper VBR encoding in the source .AVI and will rewrite the it with a standard CBR values during processing for better compatibility. This may introduce up to 2.918 ms of skew from the video stream. If this is unaccepptable, decompress the *entire* audio stream to un uncompresse WAV file and recompress it with the video with a CBR encoder (bitrate: 106.7 + - 11.9 kbps)"
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This message has been edited since posting. Last time this message was edited on 23. September 2004 @ 05:25
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aldaco12
AfterDawn Addict
_ 		23. September 2004 @ 05:54 _ Link to this message    Send private message to this user   
Read http://www.videohelp.com/forum/viewtopic.php?t=162340 if you have a similar problem and you are looking for some answers.
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afterdawn.com > forums > archived forums > mpeg-1 and mpeg-2 encoding (avi to dvd) > problem: when you make a vcd, audio goes out-of-sync
 

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