DVD audio sync problem

[dropdeadfred]

I have some AVIs I want to put on one DVD. I've converted them to MPEG. The audio is in sync in both sets of files.

I then used TMPGenc Author to make the DVD with each of the files as a different chapter. When playing the DVD, the audio is out of sync on every chapter.

(as an aside.. If I make a VCD with any one of the files, the audio is in sync fine)

I guess the next step is to strip the audio off with Virtual Dub and then use those audio files in TMPGenc? It's quite a process - is it likely the audio will then match up on the final DVD?

EDIT - it won't let me do it anyway.. have stripped off the WAV, but TMPGenc says DVDs can only use Dolby AC-3, MPEG1 Layer 2 or Linear PCM.

Help!

[guns1inger]

When you stripped off the wav, did you use full processing mode and set the compression to uncompressed PCM ? Wav, like AVI, is a container format. The actually encoding inside it can vary. I suspect you have a wav file that has mp3 encoding in it.

[dropdeadfred]

i hadn't. this is all new to me. in audiodub, i've now selected full processing and no compression (PCM). however, the output is still going to be a wav - which TMPGenc won't take, surely?

appreciate any advice

[thegeeman]

The issue is probably with you having each track as a separate chapter and you are simply joining together and adding chapter points. Try setting it up with 'Add new Track' (on the left) and then when done, add a menu to then select each track. Should be ok.

VDub only renames the audio to wav-it is not a TRUE wav unless it ACTUALLY contained wav as audio. If it were mp3 in your source file then simply rename the audio with .mp3 extension etc. You could use ffmpeggui to convert to AC3 if you dont have plug-in for TDA. And TDA will take LPCM (uncompressed wav) but will be a bigger file size though.