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As sound vibrations pass through a specific medium they create energy. This is called sound energy and it is a form of mechanical energy. It is not a chemical change or contained in discrete particles, but purely the pressure the vibrations create. However, the amount of energy that is created by these vibrations is small so sound energy is not useful for anything other than distinguishing sounds. Because of this, scientists measure sound in decibels or pascals and in terms of pressure and intensity. These sound measurements are measured in relativity to other sounds with higher or lower pressure.
The sound vibrations pass through the outer ear where it hits the eardrum, which sends the sound into the inner ear. Auditory nerves then react depending on the sounds that enter the ear translating things such as volume and pitch.
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