Audio signals are mundane there's no miracles involved. No E=mc^2 we aren't splitting atoms. Audio signals aren't sound they are representations of sound in the form of electrical waves propagated through a conductive material in most cases copper. If you want a visualization for a history major on physics try Brian Greene "The Elegant Universe ". Let's return to the mundane question of audio signals and leave the miracles for religious charlatans there's enough charlatans in audio as it is.
