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Noise Reduction In Hearing Aids
Start of Term Paper
Recently in a local hearing clinic, a client’s concerns were discussed. “I’m afraid I won’t like them. My brother in law bought two hearing aids, and he keeps them in a drawer in the kitchen.” While the number of people dissatisfied with the .... Middle of Term Paper
... with a 30-decibel sensorineural loss might need the speech signal to be 15 or more decibels greater than the ambient noise. The hearing aid’s task is to acoustically or electronically compensate for both the neurological shortcomings of the hearing impaired person and the wide band increase inherent in any basic amplifier.
Acoustic compensation can be carried out in a hearing aid microphone. Most hearing aids today utilize omnidirectional microphones, which pick up sound equally from all directions. This may be beneficial and practical in some cases, as in the completely in the canal (CIC) aid. The CIC aid uses the natural funnelin ... |
| Number of Words: 2400 |
Approximate Pages: 9 |
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