if i want to fix a audio out of synch of that avi files , i must extract whole a movie audio or only partly audio files ... ?

and what different of burning movie into cd using "DATA CD"option and with a vcd template of that burning software if i have 1 hours 15 minutes
mpeg 1 is about (748 mb) can i fit inside 700mb/80min cd . and at our country don't have 740mb blank or have any solution.