You mean flip the breaker of and turn back on? I shall try this. thanks.
No I meant flip other breakers off one at time and see if the buzz stops.
Almost any modern device or unit that runs on electricity can generate interference. With some devices switching them off doesn't stop the interference.
Some problem children: appliances, HVAC systems, solar power systems, other entertainment units, Set Top Boxes, computers and wi-fi, high tech lighting, wall wort's.