By the way extracting the individual channels doesn't help me at all, i've found out. All the sound is in the center, and the other channels are used to merely enhance. so I guess i'll have to fool with someother way of getting dialog off.
http://neversaymccloryagain.ohmss-007.com/creative01.html -- is an interesting tutorial. It will work to a point. But i'll deal with the sound later anyhow.