Well, in terms of sound energy, but our hearing is also logarithmic, so 140dB wi... | Hacker News

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rcxdude on March 29, 2015 | parent | context | favorite | on: Racing goes electric: At the track with Formula E,...

Well, in terms of sound energy, but our hearing is also logarithmic, so 140dB will sound about twice as loud.

zik on March 30, 2015 [–]

> an increase of 10db SPL is perceived to be approximately twice as loud

From http://trace.wisc.edu/docs/2004-About-dB/

So it's really 2^6 = 64x as loud, perceptually.

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