It is absolutely possible to get 96 minutes on a single layer DVD-R with decent quality. You do not state what gear you are using, etc., but I would say that the order of importance for getting good quality are as follows:
1. A great source to start from. Hollywood movies look great to begin with, thus they are easier to compress and retain quality. Hollywood movies also cost millions to make.
2. A good MPEG2 encoder. I find that the Main Concept encoder that came with Premiere Pro is not all that great. I use Cinemacraft instead and get much better results. Hollywood uses systems that cost anywhere from about $50,000 for the encoder and authoring, up to about $250,000. Not quite the same as Encore and a cheap software encoder.
3. Some knowledge of how to do bit budgeting. You want to use the highest bit rate you can that will allow you to fit your content on the disc. Sure, if you do a dual layer disc like many Hollywood movies you can use a higher bitrate. But you also have the other issues of a dual layer disc, like the layer break, like trying to burn one yourself, compatibility with set-top players, etc. 96 minutes on a single layer DVD-R would mean you could use a rate of 6 megabits per second, assuming you are only doing a stereo dolby audio track. That should result in some pretty good quality – if you have good quality to start with.
For further reading:
“DVD Demystified” by Jim Taylor.
“DVD Authoring and Production” by Ralph LeBarge
Both are available through amazon.com I believe.
Hope this helps. Have fun!
Rob
Rob Neidig
R&R Media Producttions
Eugene, Oregon