volume unit


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Related to volume unit: mass unit, area unit, volume unit meter

vol·ume u·nit (VU),

a unit of a logarithmic scale for expressing the power level of a complex audio frequency electrical signal, such as that transmitting music or speech; the power in volume units equals the decibels of power above a reference level of one milliwatt, as measured with an appropriate meter.
Farlex Partner Medical Dictionary © Farlex 2012

vol·ume u·nit

(vol'yūm yū'nit)
Unit of a logarithmic scale for expressing the power level of a complex audio frequency electrical signal. Power in volume units equals the decibels of power above a reference level of one milliwatt.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
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