Originally Posted by Project-Shadow

Both play on PC's just fine.
Pal = 24.9 FPS
NTSC = 29.97 FPS

You should split them however they were captured, i.e if they were captured in NTSC, save as NTSC or you'll get frame skipping. Use G-Spot http://www.headbands.com/gspot/ to determine the current FPS and codec etc.