Is the aspect ratio of the original recording 16 x 9?
Under the ADVANCED DVD Movie configuration box, the bitrate can be manually cranked up. In the Menu option, try BASIC (list). When clicked, that may play.
We need to test the project, if it isn't enormous. Please share it.
Here's how... http://nch.invisionzone.com/topic/23659-tips-for-getting-help-on-this-forum/
If it contains sensitive material you can link it in a personal message (PM) to me, via the envelope above. Be sure to FILE|SAVE PORTABLE PROJECT AS, not simply SAVE PROJECT.