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 tone they initiate.
The term transient is used by military sonar operators to describe unexpected sounds emanating from another vessel such as operating machinery, a metal hatch being slammed, or the flooding and pressurization of torpedo or vertical launch tubes.
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- Prefix (acoustics)
- Impulse function
- Onset (audio)
- Transient response – a common electrical engineering term that may be the source of the idea of an acoustic "transient"
- Crocker, Malcolm J. (ed); Stepanishen, Peter (1998). Handbook of Acoustics. NY: John Wiley and Sons, Inc. p. 119. ISBN 0-471-25293-X.CS1 maint: extra text: authors list (link)
- Gibson, William A. (2007). The Ultimate Live Sound Operator's Handbook. NY: Hal Leonard Books. p. 49. ISBN 978-1-4234-1971-6.
- It contains a high degree of non-periodic components and a higher magnitude of high frequencies than the harmonic content of that sound. |url=https://s1manual.presonus.com/Content/Editing_Topics/Transient_Detection_and.htm
- Painter, Ted; Spanias, Andreas (April 2000). "Perceptual Coding of Digital Audio". IEEE. 88 (4): 471–474.