collect data in decibels of 11 different thing in terms of soundness
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whisper 30 db
normal conversation 60-65 db
telephone dial tone - 80 db
city traffic 85 db
train whistle 90 db
jackhammer 95 db
hand drill 98 db
power mower 107 db
power saw 110 db
jet engine 140 db
gauge shotgun blast 165 db
normal conversation 60-65 db
telephone dial tone - 80 db
city traffic 85 db
train whistle 90 db
jackhammer 95 db
hand drill 98 db
power mower 107 db
power saw 110 db
jet engine 140 db
gauge shotgun blast 165 db
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