A decibel is a unit of measurement which is used to indicate how loud a sound is. Continuous exposure to sound above 80 decibels could be harmful. a unit for measuring the loudness of sound (deci- +...
The human ear can detect from 0 dB to 120 dB without suffering damage.
Some pelople can hear sounds that are quieter than 0 dB. Sounds louder than 120 dB can be expected to be painful and may result...