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http://dx.doi.org/10.7776/ASK.2010.29.3.184

A Study on a Hearing Test to Measure Progress of Noise Induced Hearing Loss  

Kwon, Hyung-Jun (숭실대학교 정보통신공학과)
Lee, Sung-Tae (숭실대학교 정보통신융합학과)
Bae, Myung-Jin (숭실대학교 정보통신공학과)
Publication Information
The Journal of the Acoustical Society of Korea / v.29, no.3, 2010 , pp. 184-190 More about this Journal
Abstract
Lowering of auditory caused by noise is increased, these days. Especially, people who have noise induced hearing loss by permanent exposure to noise are increased according to spread out of multimedia and improvement of information equipment. The pure tone audiometry used in the hospital presently inspect auditory manually up to 8,000 Hz bandwidth. So the case of noise induced hearing loss which suffered from extended high frequency over 8,000 Hz, there is a problem to prevent hearing loss by precognition. In this paper, we proposed a method to prevent noise induced hearing loss by using extended high frequency bandwidth from 12,000 Hz to 20,000 Hz. We have got a experimental result to fifty of twenties who are often used to earphones through portable equipment. As a result, 36% of twenties show lowering of auditory caused by noise and 2% of them shows severe loss of hearing.
Keywords
Noise Induced Hearing Loss; Hearing Test; Noise Level; Pure Tone Audiometry;
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