I want to make dvdlabpro not concatenate movies

[acid_burn]

I used tmpgenc to create separate audio and video streams of some tv episodes. Then I used dvdlabpro to create a menu for these 8 movies and to author the movies. When I compiled the project, it joined, concatenated the 8 movies into 1GB VOBs. I thought I had selected an option to keep the vobs from concatenating the first time I opened dvdlabpro. Then to find that option again, I thought I clicked every menu item since then but I cannot find that option anymore. I want to keep each episode in its own vob.
I use dvdlabpro because of its ability to make menus with small buttons and large text descriptions of the buttons. And I can get ten or so buttons on a menu with a decent font size. So I really want to use dvdlabpro to author the video files but I want each video in its own vob.
Can someone tell me how to keep dvdlabpro from concatenating my episodes into a few vobs?
Thank you in advance to all who respond.

[guns1inger]

The only way you can do what you want to do is to put every episode in it's own Video Title Set (VTS). So if you have 8 episodes, you need 8 VTS's.

The way DVD authoring structures the disc is through VTS's. Each VTS may contain multiple titles, each with multiple audioa nd subtitle streams. They must all have common resolution, aspect ratio and audio tracks to co-exist in a single VTS. When you compile the DVD, all the titles in a VTS are combined into one or more VOB files, depending on the total size. Each VOB cannot exceed 1000MB, so when this size is reached, a new VOB is created. If you look at a commercial DVD with just a single movie and no extras you will see the movie fills four or more VOBs.

There is no advantage to keeping each episode in a single VOB, from an authoring or playback perspective. In fact it complicates the authoring because you then need to use VMG menus and bridges to tie it all together.

So why do you think you need to keep each episode in it's own VOB file ?

[acid_burn]

Thank you, guns1inger for the info.

"So why do you think you need to keep each episode in it's own VOB file ?"

The original episodes were in AVI format. It took a while to convert to the separate audio and video files that the authoring software would accept. I thought that keeping separate vob files would allow me to combine them from different discs at a later time to create "best of" dvds or combine episodes of different shows to put on one dvd without having to re-encode the avi video files. I don't even know if it is possible to cut and paste parts of a vob. But if it is, what is easier: deal with a vmg menu with multiple vts or edit existing 1gb vobs which would not need re-encoding?

[Pinstripes23]

I am pretty sure if you author correctly each episode will be in its own pgc, even with 1GB vob files. And there are tools out there that can extract by pgc.

[guns1inger]

Pinstripes23 - you are right - they will be separate PGCs, and can easily be extracted down the track. However many people equate VOBs with movies until they understand how it hangs together. I didn't want to confuse matters further until I understood where the OP was coming from.

@Acid-Burn : the simplest option is to ignore VOBs, as they have no influence on what you do now or later. You can still very easily extract the titles that you want from the DVD structure to re-use down the track. I would go for the simplest authoring process now.