In music, timbre ( like tamber, or spelling pronunciation ; )'s the quality of a musical note or sound or tone that distinguishes different types of sound production, such as voices or musical instruments. The physical characteristics of sound that mediate the perception of timbre include spectrum and envelope. Timbre's also known in psychoacoustics as tone quality or tone color. For example, timbre's what, with a little practice, people use to distinguish the saxophone from the trumpet in a jaz… (More on Timbre)