Hearing Aids Reid coulombE

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Hearing AidsReid coulombE
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Hearing Aids

• Hearing Aids are used to amplify sound, and
  improve the hearing of an impaired listener.
• It is estimated that 1 in every 10 people in the
  world suffer from some form of hearing loss.
• Hearing loss is caused by damaged cochlea in the
  ear, or in some cases earwax, fluid in the ear, a
  genetic problem, or a punctured eardrum.

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HIstory

• (1800) First Hearing Aid company was established.
  Manufactured many types (trumpet ear)
• (1947) The transistor is invented, making hearing
  aids much smaller, and more energy efficient.
• (1996) Hearing aids become 100 digital

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Future of hearing aids

• Improved sound quality
• Improved settings and user customization
• Smaller hearing aids
• Ability to fix damaged ears?

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Sources

• Discovery Health. Web. 25 Mar. 2012.
  lthttp//health.howstuffworks.com/medicine/modern-t
  echnology/hearing-aid6.htmgt.
• brent.edwards.name/Papers/Future_of_Digital_Heari
  ng_Aids.pdf   (book)
• "History of Hearing Aids." Hwt.homestead.com/Heari
  ng_Aid_History.pdf. Homsetead.com. Web.
• Designing of a digital behind-the-ear hearing
  aid to meet the world health organization
  requirements (2010) Trends in Amplification, 14 (
  2), pp. 64-72.
• "Advantages Disadvantages Hearing Aids vs.
  Cochlear Implants ForThose with Severe Hearing
  Loss." Auditory Verbal Training, Workshops,
  Consultations and Mentoring. Web. 15 Apr. 2012.
  lthttp//www.auditoryverbaltraining.com/ha-ci.htmgt.