Audition.
D000162:Acoustics; D000818:Animals; D001307:Auditory Perception; D001309:Auditory Threshold; D003051:Cochlea / Q000502:physiology; D004432:Ear, Middle / Q000502:physiology; D006309:Hearing; D006801:Humans; D007761:Labyrinthine Fluids; D010897:Pitch Discrimination; D011571:Psychoacoustics; D013997:Time Factors