maybe. Maybe he was referring to buzzing or humming. Imagine the complexity as the current in one coil sets up a magnetic field which induces current in the next, which then...

I used to get a hum in my stereo because a speaker cable crossed a wire to a rheostat at a right angle.

I have a friend who's an electrician. He told me once that he was wiring a McMansion that had electricity, phones, stereo and intercoms. He had to work hard to make sure that no lines crossed.