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high-frequency hearing loss

   Also found in: Acronyms 0.01 sec.
high-frequency hearing loss
Etymology: ME, heigh + L, frequens; AS, deaf
a loss of ability to hear high-frequency sounds. It is most commonly associated with aging or noise exposure. Hearing loss may begin in early adulthood with a loss of hearing to frequencies in the range of 18 to 20 kHz. At about 60 years of age, loss of hearing may begin to affect lower frequencies, in the range of 4 to 8 kHz, thus interfering with the ability to understand speech. Hearing loss caused by noise exposure is often greatest at or near 4 kHz.


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Since speech sounds that give meaning to words (for example, consonants such as ch, th, sh, f, and p) are high-frequency sounds as well as the sounds that provide the ability to determine the signature of weapons and vehicles, high-frequency hearing loss is particularly devastating to military operations.
This example shows you what it's like to listen to speech with a high-frequency hearing loss.
HIGH-FREQUENCY HEARING LOSS The traditional method of treating high-frequency sensorineural hearing loss has been to fit a hearing aid that amplifies the high-frequency regions of speech.
 
 
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