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 ...

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 ...

So you just unboxed your new entertainment gear, hooked everything up, and you hear buzz, whine, hiss, chatter, or any number of other annoying noises that have been known to plague audio equipment.

I'm trying to figure out a way to deal with a ground loop problem I have at home, this is 60hz mains hum that comes out of speakers, even when nothing is connected to the device besides power cable. I ...