I have a Radio Shack  A/V mixer for editing videos. I am having a terrible
time trying to eliminate radio stations that somehow get picked up through
unit and cables, even though they are supposedly shielded. The microphone cord
and the position of my body relative to the mixer seem to have the most effect
on whether the interference is stronger or weaker. Does anybody have any ideas
on how to eliminate this noise? Maybe a cap at the inputs?
Thanks in advance,
                Bruce Turrentine