Quote Originally Posted by B1G_BR0TH3R View Post
It's a problem with either the port on the 360 or the ports on your tv. IT IS NOT THE CABLE. If you have anything else that has HDMI output plug it in to your tv and see if it happens. If it doesn't then it's a problem with your 360 and call microshit
Agreed with BB on this one, though it is more than likely not an issue with the cable nor the 360, it is more than likely an issue with the TV. I bought a 50 inch LCD TV awhile back and it had some kind of copy protection on the HDMI ports so after 30 seconds the sound disabled. IDK WHY it did this, but it pissed me off, so I took it back and got a different brand.