Notice how both dB and octave are ratios, but for some reason for frequency rati... | Hacker News

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		badmintonbaseba 3 months ago \| parent \| context \| favorite \| on: The scientific “unit” we call the decibel Notice how both dB and octave are ratios, but for some reason for frequency ratios we don't use bels or decibels. An octave is a ratio of 2, a bel is a ratio of 10.

nayuki 3 months ago [–]

For frequency, a decade is a ratio of 10, akin to a bel. And in photography, a stop or an EV is a factor of 2, akin to an octave. https://en.wikipedia.org/wiki/Logarithmic_scale#Common_uses

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