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Old 5 Mar 2003, 06:50 AM   #1
Junior Member
Junior Member
Join Date: Feb 2003
Location: Ireland
Posts: 10
Question Cutting Avi & Sound

How YA

I want to cut my AVI file into two using Virtual dub I checked out 'Cutting Avi Files' and as expected the audio
was out. The audio would come first and then the moving of lips ie out of synch

I then tried to fix the audio synch. I seleted the 'direct stream copy on the video and
audio & got the frame rates A was 25.000fps and B 25.002 so C is .0002
Then I went to the last frame and the total time of the movie was 1:53:17.680, this is T
Converted to seconds this is 6797.68 seconds
From the "Video" menu, I selected "Select Range" & Disabled the "Offset audio to maintain A/V
sync" option.

So going by the formula C * T / A * 1000

.002*6797.68/25 * 1000 = 543.8144

I put this in the 'Start offset' and then saved the avi

The end result came out even worse....???

Is there something I am doing wrong or any tips ??


First to the bar........
Funkyirishman is offline  
Old 5 Mar 2003, 09:17 AM   #2
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Join Date: Feb 2002
Posts: 5,417

Have you tried going to Video -> Frame Rate and selecting 'select "Change so video and audio durations match (you should see a value similar to the original frame rate)'?
Enchanter is offline  


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