Audiometers and Hearing Aids

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Audiometers and Hearing Aids
1010103101110110303001030200 Audiometers and Hearing Aids
MECHANISM OF HEARING Sound waves are longitudinal waves in which the motion of each particle of the medium in which the wave is travelling, moves backward and forward along a line in the direction in which the wave is propagated. The human aural system reacts to these oscillating pressure changes and transmits them to the brain through a series of steps. Fig. 17.1 shows the anatomy of the human ear. The outer e…
Dr R.S. Khandpur: HANDBOOK OF BIOMEDICAL INSTRUMENTATION, THIRD EDITION. Audiometers and Hearing Aids, Chapter (McGraw-Hill Professional, 2014), AccessEngineering Export