Has anyone had any experience using HDMI fiber optic converters/extenders? I have a weird ground loop problem in my system which I traced back to my HTPC. I get hum whenever I join the grounds between ...

I am experiencing the dreaded "ground hum" in my subwoofer connected to my home theater system. Unfortunately, because of placement, I am not able to do some of the typical fixes (plugging it in to ...

Your new plasma HDTV is beautifully hung on the wall. The cables are run behind the drywall and under the floor to an equipment rack built into an unused closet space. The speakers are a recessed bit ...