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Ambiguity of Carhart's notch (comments to the article: Ivanov A.I. et al. «Experimental study of the relationship of speech characteristics and the state of the hearing in pilots with sensorineural hearing loss»)

Abstract

The adequacy of noise-induced hearing loss (NIHL) assessment at 4000 Hz («Carhart's notch») is considered as applied to identify its connection with possible speech disorders. The failure of the authors isexplained by the non-linearity of the NIHL value in this frequency range and it is proposed to use frequencies from the band of «social hearing», e.g. 1000 Hz. The importance of the studies is noted and their continuationis recommended.

About the Author

E. I. Denisov
FSBSI «Research Institute of Occupational Health»
Russian Federation


References

1. ГОСТ 12.4.062-78 ССБТ. Шум. Методы определения потерь слуха человека.

2. ГОСТ Р 51061-97 Системы низкоскоростной передачи речи по цифровым каналам. Параметры качества речи и методы измерений.

3. Костенко Н.А. Условия труда и профессиональная заболеваемость в некоторых видах экономической деятельности Российской Федерации в 2004-2013 гг. // Мед. труда и пром. экология. - 2015. - №4. - С. 40-44.

4. Суворов Г.А., Шкаринов Л.Н., Денисов Э.И. Гигиеническое нормирование производственных шумов и вибраций. М.: Медицина, 1984. - 239 с.


Review

For citations:


Denisov E.I. Ambiguity of Carhart's notch (comments to the article: Ivanov A.I. et al. «Experimental study of the relationship of speech characteristics and the state of the hearing in pilots with sensorineural hearing loss»). Russian Journal of Occupational Health and Industrial Ecology. 2017;(6):61-63. (In Russ.)

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ISSN 1026-9428 (Print)
ISSN 2618-8945 (Online)