When an audio engineer first hears a faint hiss at 50 Hz or 60 Hz that seems tied to the building’s mains rather than any musician’s voice, the culprit is almost always a ground loop. In plain terms, ...

I can't seem to get my CATV feed grounded well enough to prevent ground loop noise on the audio and video from my PC (which is in another room). I grabbed the el-cheapo Radio Shack audio ground loop ...

Ground Loop Isolator Yesterday we reported on Apple's instructions for eliminating the humming or buzzing noise coming from Power Mac G4 Mirrord Drive Door systems. J Brown delivers a source for the ...

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 ...