I struggle with consistent sound when watching TV:
-When I watch tv for more than a couple of hours the sound un-syncs. I have to turn the pvr off and then back on again and it will line back up
-When I forward through commercials, the sound goes down (sometimes significantly). I have to press the home button, arrow across or do some sort of action on the home screen, and the sound returns to normal. I have to do this every. time. I. fastforward. through. commercials.
-Even if I'm not fastforwarding, the sound slowly lowers
-Trying to increase the volume using the remote doesn't work half the time, I turn it up and the volume doesn't increase.
