Decibel
id:
decibel-228-3083496
title:
Decibel
text:
The decibel is a relative unit of measurement equal to one tenth of a bel (B). It expresses the ratio of two values of a power or root-power quantity on a logarithmic scale. Two signals whose levels differ by one decibel have a power ratio of 101/10 or root-power ratio of 101/20. The unit represents a relative value, expressed as a ratio. The relative value can sometimes represent an absolute value by using a fixed reference value in the denominator; when used in this way, the unit symbol is oft
brand slug:
wiki
category slug:
encyclopedia
description:
Logarithmic unit expressing the ratio of physical quantities
original url:
https://en.wikipedia.org/wiki/Decibel
date created:
2001-10-01T18:18:50Z
date modified:
2024-09-15T11:39:51Z
main entity:
{"identifier":"Q5329","url":"https://www.wikidata.org/entity/Q5329"}
image:
fields total:
13
integrity:
15