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The Action of the Middle Ear
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adjusted amplitude amplitude of vibration attenuation auditory Author's Bibliography axis basilar membrane bone conduction brane circuit cochlear partition constant cps Fig curve damping db above threshold decay decibels decrease determined diameter difference limen direction distance dynes per sq eardrum effect elastic electrical electrode endolymph excitation fatigue fluid footplate hearing helicotrema impedance increase indicated length loudspeaker magnitude maximum measurements meatus mechanical microphonics microscope middle ear movements needle nerve observed obtained onset organ of Corti oscillator ossicles pendulums perilymph phase pitch position possible potential produced Reissner's membrane represents resistance resonance reverberation rotating round window rubber scala sensation shown in Fig shows side sinusoidal skin sound image sound intensity sound pressure sound source sq cm stapes static pressure stimulation stroboscopic surface switch tectorial membrane temporal bone tion tone pulse transient transmission traveling waves tube variations vibrations vibratory amplitude vibratory pattern voltage