Cakewalk Sonar Home Studio A electric guitar pickup is actually much like a vibrant microphone coil. For many years, dynamic microphones have now been sent with the voice coil mounted on the primary of the microphone's transformer, and maybe not called to surface (‘floating'). The microphone's case is normally attached to the cable shield, that will be attached to the mike amplifier's ground (see Rane's web site for more discussion).
By and big, vibrant microphones are extremely quiet devices as a result of the combination of transformer isolation and healthy, suspended indication lines through the duration of, in addition to protected, humbucking coils.
Therefore why don't you guitars? Instruments are once affected by noise. Humbucking pickups are just an incomplete (though important!) solution. The most obvious alternative is to float practicing the guitar pickup to a balanced production, being a microphone. A similar thought was printed this 2001 patent application such as Cakewalk Sonar Home Studio?