Midi Cord To Usb A electric guitar collection is actually much like an energetic mike coil. For decades, energetic microphones have been wired with the voice coil attached to the principal of the microphone's transformer, and perhaps not introduced to floor (‘floating'). The microphone's situation is typically connected to the cable shield, which will be connected to the microphone amplifier's ground (see Rane's site for more discussion).
By and big, powerful microphones are extremely calm products consequently of the combination of transformer isolation and balanced, floating transmission lines during, along with protected, humbucking coils.
Therefore why not guitars? Guitars are notoriously overwhelmed by noise. Humbucking pickups are only a partial (though essential!) solution. Well-known alternative would be to move practicing the guitar collection to a balanced production, as being a microphone. A similar strategy was published this 2001 patent application such as Midi Cord To Usb?