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What unit of measurement is used to compare the intensities of different sounds?
Wiki User
∙ 13y ago
The unit is the decibel, based on a larger unit called a bel. The decibel is measured as a magnitude on a logarithmic scale, and has no dimension as such. An increase in the numerical value therefore indicates an exponential (logarithmic) increase in the actual intensity or power.
Example : an increase of 3 dB is approximately twice the power, an increase of 10 dB is 10 times the power, and an increase of 20 dB is 100 times the power.
Wiki User
∙ 13y ago
Wiki User
∙ 14y agoYour ears and the sound pressure level meter "measure" the sound pressure of a sound wave.
Sound pressure is measured in newtons per square meter or in pascals.
Sound intensity is measured in watts per square meter.
Note: Sound power (sound intensity) is the cause -
and the sound pressure is the effect.
The effect is of particular interest to the sound engineer.
Wiki User
∙ 12y agoThe decibel ( dB ) is perfect for comparing sound intensity levels. That's exactly
what it was invented for, and there's no better unit for the purpose.
Wiki User
∙ 13y agoDecibel (dB) is a logarithmic unit of sound intensity
Decibel is the unit of sound intensity level, not the unit of sound intensity.
Unit of sound intensity is Wm-2
Wiki User
∙ 13y agoThe 'decibel', abbreviated 'dB', equal to 0.1 bel .
Wiki User
∙ 12y agoDecibel
Wiki User
∙ 10y agoHertz
Wiki User
∙ 13y agodecibals
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