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An evaluation of sound restoration hearing protection devices and audibility issues in mining.

Authors
Azman-AS; Hudak-RL
Source
Noise Control Eng J 2011 Nov-Dec; 59(6):622-630
NIOSHTIC No.
20040103
Abstract
Despite advancements in engineering noise controls and the use of administrative controls, miners are still dependent on hearing protection devices for prevention of noise-induced hearing loss. However, miners often complain of reduced audibility or confusion about identifying spoken words when wearing conventional hearing protectors. This leads to an increased risk of miners being struck by moving equipment or errors in communication with co-workers. Miners will often remove their hearing protectors to overcome these obstacles. To address this problem, electronic technology exists that allows some amount of sound to pass through the hearing protector, therefore restoring some audibility of the passively attenuated sounds. This paper will present the results of testing completed on a selection of four sound restoration hearing protection devices, with the objective of determining if they provide improved speech intelligibility to workers near certain types of mining equipment.
Keywords
Mining-industry; Hearing-conservation; Hearing-impairment; Hearing-loss; Hearing-protection; Hearing-disorders; Hearing; Protective-equipment; Personal-protective-equipment; Noise; Noise-exposure; Noise-induced-hearing-loss; Noise-levels; Noise-protection; Mine-workers; Author Keywords: ear protection; hearing; noise (working environment)
Contact
Amanda S. Azman, NIOSH, 626 Cochrans Mill Rd, P.O. Box 18070, Pittsburgh, PA 15236, USA
CODEN
NCEJD5
Publication Date
20111101
Document Type
Journal Article
Email Address
AAzman@cdc.gov
Fiscal Year
2012
NTIS Accession No.
NTIS Price
Identifying No.
B01182012
Issue of Publication
6
ISSN
0736-2501
NIOSH Division
OMSHR
Priority Area
Mining
Source Name
Noise Control Engineering Journal
State
PA
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