3 votes
Accepted

Buzzing (humming) sound in the speakers (ground loop)

After so many years standing for this annoying buzzing sound, I decided to spend some time to find and eradicate the problem at the root. I hope that sharing my problem and the solution here may help ...
  • 161
3 votes
Accepted

Does DC translate to sound?

Sound is derived from vibrations which in turn are generated or represented by changing current levels. Sound can never be derived from a static voltage or current. Your statement that "DC should ...
  • 8,610
3 votes
Accepted

Removing ground hum safely

Only use balanced audio connections between several devices with their own power supply and grounding. If you are using decent equipment, chances are that they already have balanced line input/...
2 votes
Accepted

Recording: Sporadic ground noise with DI acoustic guitar

If it looks like a duck, walks like a duck & quacks like a duck, then it's fairly safe to assume it's a duck. If it stops when you ground yourself to the cable shield, then why not just tie a ...
  • 7,484
1 vote
Accepted

What causes voltage potential to alternate in a ground loop?

Thing is, that if two points in a circuit are actually "ground" (i.e. 0V potential) then by definition, no current can flow between these two points. When current does flow between two arbitrary ...
  • 8,610
1 vote
Accepted

Can metal desk legs cause grounding or interference issues?

If you aren't letting the legs touch the cables and everything is properly terminated then I see no possibility of grounding problems.

Only top scored, non community-wiki answers of a minimum length are eligible