hi im trying to back up my copy of JET LI HERO, well this is my 2nd attempt and STILL does not work the beginning plays fine the menu has sound, but once the movie starts is has NOOOOOO sound.... im using decrypter file mode then burning with clone dvd.....ive been using this way for months with no problems....so what could be doing this???? like I said the movie plays fine....just no sound thanx in advance Scott