Jim, thank you very much for your ample and instructive answers. I think that the easiest solution is going to be just to use VLC. At least temporarily until I learn about all this thing. On Nov 8, 2005, at 8:55 PM, James Pacyga wrote: > A codec is an extension of sorts that allows the machine to decode > a particular format of file. > Hector I. Macedo "Lord of the Flies" Dallas, TX 75248 "Piscaro Itaque dicet mendacium" Then round his hook the chosen fur he winds, And on the back a speckled feather binds; So just the colours shine through ev'ry part, That nature seems to live again in art. John Gay Rural Sports 1720