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What is Decibel?
What is Decibel?
A measure of sound intensity, calculated as the logarithmic value of a ratio of sound intensities. The basis is considered to be the threshold of hearing for a normal human ear. Every other sound is expressed in decibels in relation to this base sound intensity. 0 dB represents the threshold of hearing, while 120 is the higher level that the human ear can tolerate without feeling pain.
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