AVI Audio sync problem

I used dvd decrypter to rip the dvd to vob format. Then I used super to convert the vob file to avi and I got an avi file around 200mb but the audio is out of sync badly. Any suggestions on how to fix this or another way making a better conversion?

 

use the program fairuse 2.6 lite. But your dvd files have to be in ISO format not vob's. I've done over a hundred conversions and there all have been in sync with this program. The program is free, only restriction is that the finished avi file can only be 700mb.

http://www.fairusewizard.com/lang_en/fairuse_wizard_dvd_divx_xvid_backup_tool_light_edition.html

 

maybe this is is the tool's problem, it doesn't adjust the video and audio after converting.

 

I also tried auto gordian knot but the same audio problem happened. The audio started before the video.