David Gilmour Movie A electric guitar collection is basically much like a dynamic microphone coil. For many years, powerful microphones have been wired with the style coil attached with the principal of the microphone's transformer, and perhaps not referenced to ground (‘floating'). The microphone's case is normally linked to the cable guard, that will be attached to the microphone amplifier's floor (see Rane's website for more discussion).
By and large, active microphones are extremely quiet products consequently of the mix of transformer solitude and balanced, flying sign lines all through, in addition to protected, humbucking coils.
So why not guitars? Guitars are notoriously overwhelmed by noise. Humbucking pickups are only a partial (though crucial!) solution. The most obvious option is always to float your guitar collection to a balanced output, just like a microphone. An identical idea was published that 2001 patent application like this David Gilmour Movie?