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I need to mux an audio and video track of different lengths...

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I extracted the AC3 5.1 Audio from my DVD of 'HACKERS 2' which runs 1:35. However I would LIKE to mux it with a superior HD video print that I have that runs 1:31. The audio from my DVD is far superiour. The video track is at 24 FPS. Since the AC3 track came from my DVD I'm assuming that it is quite different since the two running times are about 4 minutes off.

I tried using Audacity, but it doesn't accept multichannel AC3 files (I THINK that it has a setting to change the length but not the pitch) What would be easier, to alter the video file somehow and re-encode it to make it longer to match the audio, or is there some easier way to alter the 6 channel AC3 track to run shorter?

This one has been puzzling me most of the day so far :)

Thanks kindly for any help or suggestions!

___________________L@the

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