An investigation of the effects of heari
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K. Howell; A.M. Martin
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Article
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1975
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Elsevier Science
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English
โ 946 KB
Previous research has indicated that the wearing of hearing protectors in noise above about 85 dB does not reduce speech intelligibility compared to the open ear condition. However, in spite of this it is still reported by many industrial workers t.hat verbal communication is impeded by such devices