exporting

Hello folks. This issue is really grinding my gears, I'd be enthused if one of you lads could help me with this. So I have a FL Studio project with multiple tracks (which specific DAW I'm using doesn't seem to matter however). When I export the project as a single WAV, the resulting WAV is much...

I have 2 questions. First it has to do with the trailer that I've created in Adobe Premiere Pro cs6. http://www.youtube.com/watch?v=e1YzYyL3IeU What I wanted was the video to be in full screen, but as you can see it is in ultra widescreen with black bars on top and bottom and I don't know why...