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volume unit

 

Definition: 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.

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© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.
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