hi, i am trying to rip the DVD 'invader Zim season 2' and when i used dvd decryptor and Daemon to play it, it works with one small problem, it dosnt have anysound at all. i tryed playing the DVD itself on my omputer, and yet again, theres no sound. so i played another DVD and it worked fine, sound and all. do you have any idea what happened? and how i can fix it?