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Human Hearing - PowerPoint PPT Presentation


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Human Hearing. The Human Ear. Some highlights: Frequency range. The audible human hearing range is from 20 Hz to 20 kHz Most people can comfortably hear between 1000Hz to 5500 Hz. The Outer Ear. The outer ear gathers sound and channels it into the auditory canal toward the middle ear.

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PowerPoint Slideshow about 'Human Hearing' - maite-jimenez


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Presentation Transcript
some highlights frequency range
Some highlights: Frequency range
  • The audible human hearing range is from 20 Hz to 20 kHz
  • Most people can comfortably hear between 1000Hz to 5500 Hz
the outer ear
The Outer Ear
  • The outer ear gathers sound and channels it into the auditory canal toward the middle ear
the middle ear
The Middle Ear
  • The middle ear consists of the eardrum and three small bones: the hammer, anvil and the stirrup
  • The eardrum vibrates when it encounters sound waves
  • The bones transmit and magnify the vibrations
the inner ear
The Inner Ear
  • The inner ear contains the cochlea and the auditory nerve
  • Vibrations are transformed into electrical impulses in the cochlea
  • The cochlea sends the impulses through the auditory nerve to the brain
your turn
Your Turn….
  • MHR Read pg. 408-416
  • Do pg. 416# 1-15