Define decibel and on what factors does it depends
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Decibel (dB) can also mean dBSPL or dBA; but a level change is always indecibels dB. The sensed volume or the loudness of a sound depends on several factors: the amplitude, the sound pressure level, the frequency, and the time behaviour of the sound.
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decibel is the unit for measuring the intensity of sound
IT IS DENOTED AS dB
some common sounds and their decibel ratings
(1) near total silence 0 dB
(2) a whisper 15 dB
(3) normal conversation 60 dB
(4) a car horn 110 dB
(5) a jet engine 120 dB
(6) a gunshot or fir craker 140 dB
IT IS DENOTED AS dB
some common sounds and their decibel ratings
(1) near total silence 0 dB
(2) a whisper 15 dB
(3) normal conversation 60 dB
(4) a car horn 110 dB
(5) a jet engine 120 dB
(6) a gunshot or fir craker 140 dB
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