Ripping and encoding small segments

[MB3129]

I'm not sure if this is a ripping or a conversion question, and that's because I don't know the answer yet

Basically what I want to do is take a few small scenes from a few different DVD's (maybe 30 seconds or so) and test out various encoding techniques/settings.

Is there a way to rip only a small segment of a vob file? I don't mean just ripping out a single chapter, but ripping out say 30 seconds or so from a chapter?

If that's not possible, I'd like to know if there is a way to only encode 30 seconds or so of a ripped chapter using GK. I can't figure out how to do the audio that way (GK just extracts the whole stream). Is there a way to do this for the video stream? I thought perhaps manually modifying the length from 10 mins to 30 seconds would result in only 30 seconds of encoding, but whenever I try this, GK just doesn't open Virtual Dub for some reason. Leave the length at what it really is, and all is fine.

Any ideas?

[Enchanter]

Use the Mark In/Out feature of Virtualdub to achieve what you want to do.

[benderman]

You may use the splitting option of smartripper to ripp the dvd to hdd in small segments of 20MB (or any size you want). Then you can encode a single segment with your favorite encoder.A 20 MB-vob should contain about 30 seconds of video and audio.

[hacker_on_fire]

or when creatign a dvd2avi file, mark the segment you wish to encode, and then save it a dvd2avi project, which can be sed in Gknot.