What file format is the video you're trying to import?
I suggest to start a fresh new project with setting close to NTSC (29.97fps) without interlace and output/export to the fps and format you're trying to achieve. Then re-import to your old existing project. Just make sure you match your frame size (width/height) to what you need.
This message was edited 1 time. Last update was at Feb 12. 2014 11:21