How to quickly check the validity of VOB file ?

[ktnwin]

I have about 30 VOB files that I joined (with VobEdit) and create IFO using IfoEdit. I kind of know that one or two of these VOB files are invalid (cockpit error, don't ask me why, it has to do with my PC).
The resulting VIDEO_TS folder as created by VOB join, contains 5 VOB files (1 thru 5). the whole thing is a bit greater than 4.7GB.
I use DVD2ONE to compress it a little, but as soon as it read the VOB files, it complain the first one is invalid. This first VOB file could cover the first 6 original VOB files.
If I use Cine Player software to play those 30 VOB files, it will crash on the bad ones. But it take too long to play each of those.
Is there a quick way to identify the bad one ?

[olyteddy]

MPEG Validator?