Finger Picking Style A guitar pickup is actually similar to an energetic microphone coil. For many years, energetic microphones have already been wired with the voice coil mounted on the principal of the microphone's transformer, and perhaps not introduced to surface (‘floating'). The microphone's event is typically attached to the wire guard, which is connected to the mike amplifier's surface (see Rane's website for more discussion).
By and big, dynamic microphones are extremely quiet products as a result of the combination of transformer isolation and balanced, flying transmission lines during, along with guarded, humbucking coils.
Therefore why don't you instruments? Instruments are notoriously plagued by noise. Humbucking pickups are only a partial (though essential!) solution. Well-known alternative is to move practicing the guitar pickup to a balanced result, just like a microphone. The same idea was printed that 2001 patent application such as Finger Picking Style?