Is it possible to adjust the audio in a MPEG2 file?

[lingoguysw5]

I have an avi file which I encoded with tmpgenc having extracted the wav primarily with Virtualdub and it is fine as an avi file even though I have joined it, however now it is ready for authoring the audio is miles out and it is a big file around 2 GBs. Is there anything I can do to put the audio right. I suspect things aren't made any easier by it being such a big file cos I had a 800MB file and that worked no probs. Any suggestions more than welcome

[theDruid]

Did you try frameserving from VirtualDub with your wav file as ther audio source?

This often solves sync problems.

Sorry - it would mean doing the encoding again!

How is the audio out of sync in the mpg file? Does it seem like a constant delay, or does it drift out?

If it's the former, you could demux the audio (with TMPGEnc), then load the mp2 audio file into an editor like GoldWave (or Audacity, SoundForge etc..) and delete a few seconds or add a little silence at the beginning.

You could then re-encode the wav file to mp2 (with tooLame) and remux it with the video (in TMPGEnc again).

The hardest part would be judging how much you need to add/delete.

You'd lose a little quality in the audio by re-encoding it, but it would avoid having to re-encode the whole shebang.

cheers,
mcdruid.

[mats.hogberg]

Your post is hard to follow.
Let me try:
You have an AVI file. This AVI is actually two AVIs joined by yourself. That joined AVI plays fine.
You've extracted the audio as WAV, and it's around 2 GB.
Then I lose you:

the audio is miles out

Speaking in Audio/Video terms, what does that mean? Out of sync?
What are you trying to accomplish? DVD? SVCD? VCD?

2 GB wav audio doesn't sound that impossible for a 2 hr+ movie.
Did you scan the AVIs for bad frames before doing anything else?

/Mats