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 ...

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 ...

I tried the solution mentioned here, and it only helped slightly. These speakers sound great, but the hum gets annoying to the point of me leaving the speakers off during normal operation. They hum, ...