Vocal Effects A guitar collection is basically just like a vibrant microphone coil. For many years, powerful microphones have already been sent with the voice coil attached to the primary of the microphone's transformer, and perhaps not referenced to soil (‘floating'). The microphone's case is typically attached to the cable guard, which can be linked to the microphone amplifier's soil (see Rane's site for more discussion).
By and large, active microphones are very calm units as a result of the mixture of transformer isolation and healthy, flying indication lines for the duration of, in addition to guarded, humbucking coils.
So why don't you instruments? Guitars are once plagued by noise. Humbucking pickups are just an incomplete (though crucial!) solution. The obvious answer is to float the guitar collection to a balanced productivity, being a microphone. A similar thought was printed that 2001 patent application such as Vocal Effects?