Examples of Sound Pressure, Sound Pressure Levels, and Loudness in Sone
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Source of sound sound pressure sound pressure level loudness pascal dB re 20 µPa sone threshold of pain 100 134 ~ 676 hearing damage during short-term effect 20 approx. 120 ~ 256 jet, 100 m away 6 ... 200 110 ... 140 ~ 128 ... 1024 jack hammer, 1 m away / discotheque 2 approx. 100 ~ 64 hearing damage during long-term effect 6×10−1 approx. 90 ~ 32 major road, 10 m away 2×10−1 ... 6×10−1 80 ... 90 ~ 16 ... 32 passenger car, 10 m away 2×10−2 ... 2×10−1 60 ... 80 ~ 4 ... 16 TV set at home level, 1 m away 2×10−2 ca. 60 ~ 4 normal talking, 1 m away 2×10−3 ... 2×10−2 40 ... 60 ~ 1 ... 4 very calm room 2×10−4 ... 6×10−4 20 ... 30 ~ 0.15 ... 0.4 leaves' noise, calm breathing 6×10−5 10 ~ 0.02 auditory threshold at 1 kHz 2×10−5 0 0
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sone 1 2 4 8 16 32 64 128 256 512 1024 phon 40 50 60 70 80 90 100 110 120 130 140
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