A comparison of two methods for measuring the attenuation provided by insert-type hearing protection devices
The need for hearing protection in industry has evolved from the growing awareness of the detrimental effects of noise on hearing and recent legislation enacted to protect the hearing of noise-exposed employees through the use of hearing conservation programs. In lieu of expensive or impractical eng...
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Format: | Others |
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PDXScholar
1990
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Online Access: | https://pdxscholar.library.pdx.edu/open_access_etds/4067 https://pdxscholar.library.pdx.edu/cgi/viewcontent.cgi?article=5076&context=open_access_etds |