High-frequency audiometry in the evaluat
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R. Bartsch; H. G. Dieroff; C. Brueckner
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Article
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1989
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Springer-Verlag
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English
โ 412 KB
We investigated a total of 537 subjects ( 68 men, 469 women) working in the textile industry to ascertain their hearing level in the conventional hearing range as well as in the high-frequency (HF) range The persons we tested work at three different noise-levels l 80-84, 85-89, 90-94 d B (A), measur