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The Pitch and Loudness of Sound, and a Comparison of Audible Frequency Ranges
Objects that vibrate in some medium create mechanical waves known as sound waves, which propagate through that medium as vibrations of the individual molecules. If the sound wave enters the ear canal, it will eventually reach a thin membrane known as the eardrum, which will vibrate and in turn cause the three bones (malleus, incus, and stapes ...
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