Decibel scale sound4/5/2024 ![]() If a sound is 20 dB, that's 100 times louder than near silence. Near silence is expressed as 0 dB but a sound measured at 10 dB is actually 10 times louder. ![]() For example, every increase of 10 dB on the decibel scale is equal to a 10-fold increase in sound pressure level (SPL). This is a way of counting or measuring something that increases rapidly, or exponentially. In daily life, we often think of this as volume.ĭecibels increase exponentially 'A 10 db increase means 10 times louder, a 20 db increase means 100 times louder'ĭecibels are measured logarithmically. The more amplitude a sound has, the louder it is.
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