TMPGenc Audio Sync Problems

[lemming911]

Hi

I'm trying to encode home video captured from an analogue source.

After capture, I split raw AVI file into chunks using Virtualdub. I then encoded to Mpeg + wav using TMPGenc and authored to dvd using TMPG Author.

All the resultant DVD folders seem to have audio sync problems. It seems that there is a constant offset between video and audio of about .5 of a second.

I swapped encode mode to produce combined video/audio steam with same result before authoring.

Have browsed faq's + this forum and only found problems with gradual sync problems. Any suggestions welcome

Thanks

[FOO]

TMPGenc has an "audio gap correct" in Setting - Advanced - Source range

The best way IMO is to open the AVI in Vdub which lets you
adjust the audio delay until it 's right and then frameserve
that to TMPGenc

[Leoslocks]

This is beginning to make some sense. I have a similar problem.

Virtual Dub shows a VT Adjust of +167ms . In TEMPGEnc do I add this or subtract this amount?

[Coluph]

I am having the exact same problem, but I am not using virtual dub or splitting up any of the files...anyone have any ideas???

I can play the original file back and it is in perfect sync on the computer...but as soon as you run it through tmpeg, and it has two files (I have no way of playing both video and audio files at the same time...wish I could do this!) the audio is out on your finished DVD. I have tried PCM, AC3 and MP2...nothing makes any difference.

I had no sync problems before I started using an ATI card and huffy as a codec. (previously using the asv1 codec which also appeared to be lossless and produced much much smaller files) I also cannot use any 'features' in Tmpeg working with the file...if you reverse scrub, let it try to detect the field order, or anything where it has to look at the file (ie edit it) tmpeg will sit there for literally 10 minutes...chugging away doing who knows what, just to update the preview window. Does the mjpeg code do a better job/fix this problem?

I honestly do not know why I am having so many problems...I've followed the lordsmurf guides exactly and I get absolute crap picture as a result doing realtime mpeg capture, and audio problems with tmpeg if I don't.

Perhaps my quality standards are just higher? (Any mpeg artifacting IMO is unnacceptable)


Sorry my tone is a bit rough here, getting sick and tired of not being able to do decent captures. (I've completely replaced my entire computer to try and fix the probelms I'm having, and still can't get the gd thing to work right)