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Decibels (dB) is the unit for expressing the relative loudness of sounds. Humans can range from 10 dB to over 90 dB depending on the type of speach. Wispers range 10 to 15 dB, average converstation 50 to 60 dB and shouting 85 to 90 dB. Note that this is just an indication as each person speaks at a different loudness.

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14y ago

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