Physics:Transient (acoustics)
From HandWiki
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.[1][2] Transients do not necessarily directly depend on the frequency of the tone they initiate. It contains a high degree of non-periodic components and a higher magnitude of high frequencies than the harmonic content of that sound.[3] Transients are more difficult to encode with many audio compression algorithms, causing pre-echo.[4]
See also
- 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"
References
- ↑ Crocker, Malcolm J., ed (1998). Handbook of acoustics. A Wiley-Interscience publication (Nachdr. ed.). New York, NY: John Wiley and Sons, Inc.. pp. 119. ISBN 978-0-471-25293-1. https://books.google.com/books?id=1x_RvffW-hcC.
- ↑ Gibson, William A. (2007). The Ultimate Live Sound Operator's Handbook. NY: Hal Leonard Books. pp. 49. ISBN 978-1-4234-1971-6. https://books.google.com/books?id=r86J_aNNReEC.
- ↑ "Transient Detection and Editing". 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. doi:10.1109/5.842996.
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