they are, i just need to know the answer to this though. on playback in the editor on sony VEgas and adobe premiere, its choppy and like skips frames... and the output/saved file from either programs play all choppy or screwed up. would that be because my computer doesnt have good enough specs? i know i need more ram. 1gbram 128mb shared nvidia 6150 with ram athalon dual core 3400 2.0 ghz vista.