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Standard volume indicator

A device displaying a representation of the signal level in audio equipment.

A volume unit (VU) meter or standard volume indicator (SVI) is a device displaying a representation of the signal level in audio equipment. The original design was proposed in the 1940 IRE paper, A New Standard Volume Indicator and Reference Level, written by experts from CBS, NBC, and Bell Telephone Laboratories. The Acoustical Society of America then standardized it in 1942 (ANSI C16.5-1942) for use in telephone installation and radio broadcast stations. Consumer audio equipment often features VU meters, both for utility purposes (e.g. in recording equipment) and for aesthetics (in playback devices).

 

Key Terms

device
ire paper
meter
original design
representation
signal level audio equipment
standard volume indicator
svi
volume unit
VU Meter

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Acronymn

SVI

Synonymns

Standard volume indicator
(none found)

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Last modified on July 23 2019
Content adapted from Wikipedia
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