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Monday, July 8 • 18:10 - 18:30

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Many workers are exposed on a daily basis to noise levels that can cause hearing problems. Although hearing protection devices (HPDs) should ideally remain the last choice in terms of noise exposure reduction, they are the most commonly used noise control solution. However, in practice, discontinuous use, misuse or refusal to wear are frequently observed. Thus, while the "comfort" dimension may at first seem secondary compared to the provided attenuation, it influences the HPD consistency and correct use and, consequently, the effectiveness of the protection. Based on this observation, this article presents the results of a recent test campaign carried out on an industrial site. Nine earplugs models were tested and evaluated with the help of several questionnaires aimed at collecting participants' feelings regarding different comfort attributes (acoustic, physical, functional and psychological) under real conditions of use. The aim here is to try to identify and explain the preferences of these users and to progress in understanding the parameters that may be involved in the experience of comfort both for users and manufacturers. The following results show the influence of ergonomic and psychological criteria in estimating the comfort of earplugs.

Monday July 8, 2019 18:10 - 18:30 EDT
Outremont 4
  T06 Industr. and occup. Noise & vib., SS01 Hearing protection