Remux audio file?

[Skrycchio]

And... If I would like to remux an audio track instead video?

Does exists a way to substitute an AC3 file with the original in the VOB?

I've a trouble with a MultiPGC VOB.
The last 5th and 6th PCG are 1sec out of sync.

I've extracted the AC3 file, I've resync all, I've recompressed to AC3 but... HOW I can insert this new AC3 track at place of older AC3?

Well... like remux M2V file with IFOEDIT but... this is an audio file...

Any idea?

Of course, I've to reinsert this AC3 in a functionally VOB in a functionally DVD disc, and I cannot use the "authoring DVD" function in IFOEDIT... maybe... ;)

Thanks in advance
Salvo