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How to adjust Audio/Video sync in an AVI file using VirtualDub?

Sometimes Audio/Video sync problems happen due to errors in capturing the video file. Mostly when this happens, you hear the audio and after some time you see the video (Because some computers are too slow to save the video stream precisely with the audio stream). To fix this problem using a free VirtualDub first listen to the clip and use your clock to determine the difference between the Audio and the video and do the following.

1. Open your video file in VirtualDub by dragging and dropping the file on the program.
2. Click on Audio -> Interleaving or press (Ctrl + I) on your keyboard.
3. Now in Audio skew correction text box type a value in millisecond (1000 ms = 1 second) following the instructions: Use positive values if audio is playing too early or negative values if the opposite is true.
   
4. Click Ok and don't forget to Click Video -> Direct stream copy and Audio -> Direct stream copy because we do not want re-encoding here.
5. Click File -> Save as AVI or press F7 on your keyboard and save the file.

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