A decible range is a measurement of sound so that people can compare the amount they are hearing.
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One decibel (dB) is equal to one tenth of a bel (B).
No. A decibel is one tenth of a bel. The decibel is a logarithmic unit of measurement that expresses the magnitude of a physical quantity relative to a specified reference level. It is a dimensionless unit, because it expresses a ratio of two quantities with the same unit.
Southwell, decibel, and parallel are three good examples.
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The decibel level for standard human voices is around 60 decibels, which is also the level for singing birds. Hearing loss occurs at around 110 decibels with painful hearing loss occurring at 130 decibels.