I have been trying to burn a dvd with two one hour long docu's edited to lose the ads so about 1.45 hr long, this is in mpg format but they wont fit on to a normal 4.7gb disc, what other format could I use to reduce these files down a bit to enable me to get at least two on a disc?
Remaster the DVD.
Use ConvertX2DVD on the original files (avi, mkv, etc)
Or drag the ifo file for each title into the project.
You will easily get those on one 47Gb disc.
Alternatively, you can use a jpg/mp3/dvd Home player to play avi straight from a DVD as data format.