Laboratory investigation of in-field influences on spectral noise attenuation and comfort of insert and circumaural hearing protectors
<p>Laboratory-obtained, manufacturer-supplied hearing protector attenuation ratings typically overestimate the workers' protection level In the workplace. In addition, several work-related in-field factors often degrade protection performance of the hearing protection devices (HPDs),...
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Format: | Others |
Language: | en |
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Virginia Tech
2014
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Online Access: | http://hdl.handle.net/10919/40933 http://scholar.lib.vt.edu/theses/available/etd-02062013-040020/ |