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by mrob
12 days ago
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>every 3db is a doubling of sound power and intensity since its a logarithmic scale This is true, but the ear measures sound pressure, not sound intensity. Sound pressure requires a 6dB increase to double. See: https://en.wikipedia.org/wiki/Power,_root-power,_and_field_q... And human perception of loudness is also non-linear. The increase necessary for a perceived doubling in loudness is frequency dependent, but at most frequencies it's higher than 6dB. At 1 KHz you need roughly 10dB increase for a perceived doubling. See: https://en.wikipedia.org/wiki/Sone |
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