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The effects of hearing protectors on speech communication and warning signal perception.

Authors
Suter-AH
Source
NIOSH 1989 Apr; :63-66
Link
NIOSHTIC No.
00212466
Abstract
A summary of recent reviews and analyses of efforts to study hearing protectors and their effects on speech and warning signal perception was presented. The study indicated that the use of plugs or, particularly, muffs adversely affected the ability to localize acoustic signals. Earplugs produced primarily ipsilateral effects. These findings present serious concerns for safety in noisy working conditions. Special passive attenuators can improve communication with protectors during the quiet intervals between noise bursts. They are primarily useful in impulsive noise conditions, such as those found at firing ranges. The distortion of speech communication and signal detection was particularly notable in low and moderate noise levels, in conditions where the wearer is hearing impaired to begin with, in circumstances where the talker as well as the listener is wearing hearing protectors, when the signal of danger is not expected and is heard along with other noise, and when the wearer must localize sounds, specifically in the vertical plane.
Keywords
NIOSH-Author; Noise-exposure; Ear-protectors; Noise-induced-hearing-loss; Industrial-noise; Occupational-safety-programs; Personal-protective-equipment
Publication Date
19890401
Document Type
Conference/Symposia Proceedings
Fiscal Year
1989
NTIS Accession No.
NTIS Price
Priority Area
Hearing Loss; Disease and Injury; Noise-induced-hearing-loss; Control Technology and Personal Protective Equipment; Research Tools and Approaches
Source Name
Proceedings, 1989 Industrial Hearing Conservation Conference, April 12-14, 1989, College of Engineering, University of Kentucky, Lexington, Kentucky, and NIOSH
State
KY
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