So I'm working on a DVD that holds multiple titles/ videos. I've done the math already to make sure everything fits : there's 17 videos all roughly 200 MB each (and should be about 3400 MB total) and have a total runtime of 195.5 minutes. I plan to burn this onto a spacious 8.5 GB DVD which should be more than enough to fit everything, right?

Wrong apperently! Each video is buffed up to ~ 950 MB each and the grand total for the disc becomes nearly 15000 MB! Even with enabling Smart Fit the disc just barely overflows with the total being around 8570. I decided to test this further by compressing one of the meatier titles to a teeny 16 MB but PowerDirector still infaltes that to 922 MB. The other 2D DVD settings are almost untouched (16 : 9 aspect ratio, MPEG-2 (and that's the only option listed,) and LPCM audio with 2 channels) I'm sure there's something I'm missing but what??

Any answer or leads would be great, thank you