Impedance mismatch

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Last updated 10:13 PM on 4/20/26
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4 Terms

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Impedance

Resistance to movement; a measure of difficulty of signal transmission through a medium (e.g., air, liquid)

2
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Impedance mismatch

air-filled middle ear offers low impedance to sound waves; fluid-filled inner ear offers high impedance to sound waves

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When sound waves traveling through middle ear air come to inner ear fluid…

Impedance mismatch acts as a barrier, and most of sound energy is reflected from the fluid rather than transmitted to it (ex: trying to talk to someone while they are under water)

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