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the claim

The decibel is a logarithmic unit.

the verdict
SUPPORTED
the evidence backs this
Recorded sources
9 sources for · 0 against

Counts group repeated records of the same source within each side. They do not measure evidence strength or source independence.

Is it true that the decibel is a logarithmic unit?

Yes. Multiple reference sources state that the decibel expresses ratios on a logarithmic scale and is itself a logarithmic unit, with one source stating it outright.

Verdict: SUPPORTED · 9 sources for, 0 against · Last checked

The private library was unavailable for some searches in this check. Missing library results are not evidence against the claim.

Evidence for · 9
Decibel - Wikipedia
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Decibel - Wikipedia. (n.d.). en.wikipedia.org. https://en.wikipedia.org/wiki/Decibel

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More for · 8
Logarithmic scale
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Logarithmic scale. (n.d.). en.wikipedia.org. https://en.wikipedia.org/wiki/Logarithmic_scale

Logarithmic Measure and the Decibel
1954
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Hall, W. M. (1954). Logarithmic Measure and the Decibel. doi.org. https://doi.org/10.1121/1.1907355

Why is the decibel scale logarithmic?
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Why is the decibel scale logarithmic?. (n.d.). physics.stackexchange.com. https://physics.stackexchange.com/questions/6588/why-is-the-decibel-scale-logarithmic

The decilog: A unit for logarithmic measurement
1954
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The decilog: A unit for logarithmic measurement. (1954). doi.org. https://doi.org/10.1109/ee.1954.6438862

License Guide
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Various (n.d.). License Guide. archive.org. https://archive.org/details/bwb_W9-CZT-572

Definitions of the units radian, neper, bel and decibel
2001
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Definitions of the units radian, neper, bel and decibel. (2001). doi.org. https://doi.org/10.1088/0026-1394/38/4/8

Level (logarithmic quantity)
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Level (logarithmic quantity). (n.d.). en.wikipedia.org. https://en.wikipedia.org/wiki/Level_(logarithmic_quantity)

Unity as a Unit
1995
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Unity as a Unit. (1995). doi.org. https://doi.org/10.1088/0026-1394/31/6/013

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