i have a dvd i downloaded of the net and it is in avi format. i convert it with TMPGnc to dvd format (Mpeg 2) i done this by follwing a guide. when i start to author it with TMPGnc i have not sound files.and when i brun it on to dvd+rw disk it haves no sound and it does not work on my dvd player and my playstation 2 only on my X-box and on my PC can you help me out be cause i have been working on this problem foe days and i can not get my haed around it.