I recently used WinAVI Video converter to convert a AVI to MPEG1 so that i could burn it to DVD and watch it on my LG-RC6821W, now everything went fine until i tried to play it. The video was fine but there was no audio. I thought i had screwed up the conversion but i put it in my Pioneer-XVHTD1 and i played perfectly. Why wont the LG play it???