There are two: the bel, or more commonly, the decibel, which is a logrithmic representation of the pressure of a sound, and the phon, which is a measure of how loud a sound is perceived.
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The decibel scale is a logarithmic scale. Scroll down to related links and look at "Decibel - Wikipedia" and "Sound level meter - Wikipedia".
60% of 188= 60% * 188= 0.6 * 188= 112.8
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Sound is measured in Decibels. This is judged based on the human hearing. You can use a decibel meter to detect just how loud a sound is.
A Zymbal is a musical instrument.... Decibel is a unit of measurement for how loud its sound is :-)
Decibel is a measure of sound and is logarithmic, meaning 50 decibels is twice as loud as 40 decibels.
A decibel meter is used to measure sound. It is a handheld device and can be used to quickly measure how loud certain sounds are. They are sometimes used to measure how loud a crowd is in sports.
Decibel's Fruit Mart
Decibell
Decibels are the measure of how loud something is.
A 10dB (decibel) increase makes a sound that is perceived to be twice as loud.
120 decibels is the sound of a jet engine, or the volume of loud rock music at a concert.
Sound is measured in Decibels. This is judged based on the human hearing. You can use a decibel meter to detect how loud a sound is.
Sound is measured in Decibels. This is judged based on the human hearing. You can use a decibel meter to detect how loud a sound is.
Sound is measured in Decibels. This is judged based on the human hearing. You can use a decibel meter to detect how loud a sound is.