The cochlea of the ear converts incoming sound from pounds per square inch to decibles.
The inner ear contains a hollow spiral-shaped bone called the cochlea, which is essential to hearing and takes part in auditory transduction. As a result of the vibrations from the oval window, a fluid inside the cochlea moves. 25,000 nerve endings are activated as the fluid flows. The vibrations are converted into electrical impulses, which proceed to the brain by the eighth cranial nerve.
Decibel, a number used to measure relative loudness of sounds. One decibel equals 10 times the common logarithm of the power ratio.
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