Human hearing
Lesson 6 / 13
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Lesson outcome
I can describe how the human ear detects sound and explain why there are limits to human hearing.
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Human hearing involves the transmission of sound waves through different parts of the ear.
Wave transmission to a new medium can be limited by the wave amplitude or the wave frequency.
The range of human hearing is 20 Hz to 20 000 Hz. Frequencies above and below this are called ultrasound and infrasound.
The highest frequency you can hear reduces with age as cells of the cochlea and auditory nerve become damaged over time.
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