nonpitch
Nonpitch is a term used in music and audio contexts to describe sounds, instruments, or parts that do not produce a definite pitch. In practice, it is closely associated with the concept of unpitched sound. Nonpitch sounds may have a broad or evolving frequency content, or they may be short transients whose spectral content does not align with a specific musical note.
In musical instrumentation, nonpitch (or unpitched) percussion includes drums, cymbals, tambourines, and other instruments whose primary
In notation and arrangement, nonpitch parts are often represented without fixed pitch assignments. Rhythmic patterns are
In digital audio and synthesis, sounds labeled as nonpitch indicate that the sample or synthesized output is
See also: unpitched percussion, pitched percussion, percussion, timbre. Note that in some disciplines, the term nonpitch