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 ...

The first test you should perform if you’re having a ground loop hum in your audio feed is to pull out all of your sources. If you still have hum, the noise is coming in through the power. If the hum ...