VOB files on DVD are usually encrypted. To decrypt and convert DVD movies, you need to use Leawo DVD Ripper.
1). Generally the dvd includes one or more titles, and the title includes one or more chapters. The VOB file could include the content of several titles, and the content of one title may also save on multiple VOB files.
The mapping of title, chapter and VOB is going through IFO file such as VTS_01_0.IFO.And the Video Converter cannot parse IFO file, so when a VOB file includes several titles, the program will exit after converting the first title file.
2). You could use VLC video player to play the VOB file and check the video length.
3) As to this kind of VOB file of DVD, we recommend you to use our DVD Ripper at http://www.leawo.com/dvd-ripper/.
General purpose for any issue about Leawo Video Converter
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