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In
acoustics Acoustics is a branch of physics that deals with the study of mechanical waves in gases, liquids, and solids including topics such as vibration, sound, ultrasound and infrasound. A scientist who works in the field of acoustics is an acoustician ...
, the prefix of a
sound In physics, sound is a vibration that propagates as an acoustic wave, through a transmission medium such as a gas, liquid or solid. In human physiology and psychology, sound is the ''reception'' of such waves and their ''perception'' by the ...
is an initial phase, the onset of a sound quite dissimilar to the ensuing lasting
vibration Vibration is a mechanical phenomenon whereby oscillations occur about an equilibrium point. The word comes from Latin ''vibrationem'' ("shaking, brandishing"). The oscillations may be periodic function, periodic, such as the motion of a pendulum ...
. The term was coined by J. F. Schouten (1968, 42), who called it one of ''at least five major acoustic parameters'' that determine the ''elusive attributes of
timbre In music, timbre ( ), also known as tone color or tone quality (from psychoacoustics), is the perceived sound quality of a musical note, sound or musical tone, tone. Timbre distinguishes different types of sound production, such as choir voice ...
''.


See also

*
Onset (audio) Onset refers to the beginning of a musical note or other sound. It is related to (but different from) the concept of a transient: all musical notes have an onset, but do not necessarily include an initial transient. Onset detection In signal pro ...
* Timbre#Attributes * Synthesizer#ADSR envelope *
Transient (acoustics) In acoustics and audio, a transient is a high amplitude, short-duration sound at the beginning of a waveform that occurs in phenomena such as musical sounds, noises or speech. Transients do not necessarily directly depend on the frequency of the to ...


References

* Schouten, J. F. (1968). "The Perception of Timbre". In ''Reports of the 6th International Congress on Acoustics, Tokyo, GP-6-2'', 6 vols., edited by Y. Kohasi, 6:35–44, 90. Tokyo: Maruzen; Amsterdam: Elsevier. Acoustics {{music-stub