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Transfer function of open ear importance in assessment of hearing protection devices noise reduction
Russian Journal of Occupational Health and Industrial Ecology, 2021Introduction. Objective assessment of the noise redaction (NR) of individual hearing protection devices (HDP) in industrial conditions is actual problem despite numerous studies in this direction in many countries. This study aimed to implement the F-MIRE method for measuring the NR of HDPs, considering the transfer function of the outer ear. Materials
Ludmila V. Prokopenko +3 more
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The Journal of the Acoustical Society of America, 2022
Hearing protection devices (HPDs) are designed to reduce the amplitude of sound reaching the ear, but can also distort the acoustical cues necessary for sound localization. In order to quantify the acoustic impact of an HPD on the signal reaching the tympanic membrane, the signals deep in the ear canal with and without the HPD must be compared.
David A. Anderson +4 more
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Hearing protection devices (HPDs) are designed to reduce the amplitude of sound reaching the ear, but can also distort the acoustical cues necessary for sound localization. In order to quantify the acoustic impact of an HPD on the signal reaching the tympanic membrane, the signals deep in the ear canal with and without the HPD must be compared.
David A. Anderson +4 more
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[Ear-protective devices in the prevention of occupational hearing disorders].
Ceskoslovenska otolaryngologie, 1976 S Jablonický, T Blizniak
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Measuring the External Ear for Hearing Protection Device Design
Ergonomics in Design: The Quarterly of Human Factors Applications, 2018In this study we aimed to obtain anthropometric measurements of external ear dimensions for designing hearing protection devices (HPDs). We measured 3 dimensions of left and right ears of 153 operational workers and compared the measured data with earplugs (Eps) and earmuffs (Ems).
Mohammad Amin Mououdi +2 more
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Language, Speech, and Hearing Services in Schools, 2021
PurposeSensitivity to sounds and atypical reactions to sensory input by individuals with autism spectrum disorder (ASD) have been reported in the literature. In response to this sensitivity, some individuals use ear protection devices (EPDs) such as noise-canceling headphones, earplugs, or earmuffs to attenuate the perceived unpleasant sounds.
Dorothy Neave-DiToro +2 more
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PurposeSensitivity to sounds and atypical reactions to sensory input by individuals with autism spectrum disorder (ASD) have been reported in the literature. In response to this sensitivity, some individuals use ear protection devices (EPDs) such as noise-canceling headphones, earplugs, or earmuffs to attenuate the perceived unpleasant sounds.
Dorothy Neave-DiToro +2 more
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The Journal of the Acoustical Society of America, 1985
An ear protecting device for protecting a wearer from annoying and/or damaging noise levels. The device is comprised of a connecting member and a pair of muffs suitable for covering a wearer's ears. The muffs are suspended from opposite portions of the connecting member. The muffs are permeable to water vapor.
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An ear protecting device for protecting a wearer from annoying and/or damaging noise levels. The device is comprised of a connecting member and a pair of muffs suitable for covering a wearer's ears. The muffs are suspended from opposite portions of the connecting member. The muffs are permeable to water vapor.
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Evaluation of digital ear scanning for custom hearing protection devices
The Journal of the Acoustical Society of America, 2019Custom earpieces (e.g., hearing aids, insert hearing protection devices) are traditionally made using physical earmold impressions. Advances in technologies have led to the development of digital methods to capture ear canal geometries for the production of custom earpieces.
J. R. W. Stefanson, William A. Ahroon
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Otolaryngologia polska = The Polish otolaryngology
Aim: The aim of the study was to evaluate the results of electrical safety results of a prototype electromagnetic ear stimulation device in patients with tinnitus. Material and methods: The electrical safety tests of the prototype device for electro- and
Jurek Olszewski
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Aim: The aim of the study was to evaluate the results of electrical safety results of a prototype electromagnetic ear stimulation device in patients with tinnitus. Material and methods: The electrical safety tests of the prototype device for electro- and
Jurek Olszewski
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Nonlinear ear protecting device
The Journal of the Acoustical Society of America, 1985An ear protecting device for protecting a wearer from annoying and/or damaging noise levels. The device is comprised of a connecting member and a pair of muffs suitable for covering a wearer's ears. The muffs are suspended from opposite portions of the connecting member. The muffs are each comprised of a cup and an earseal cushion.
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Variability in real-ear attenuation at threshold evaluations of hearing protection devices
The Journal of the Acoustical Society of America, 2006The American National Standard Method for the Measurement of the Real-Ear Attenuation of Hearing Protectors (ANSI S12.6-1997 [R2002]) contains explicit requirements for the physical parameters of the test facility used in measuring the performance of hearing protection devices and in subject selection and device fitting. However, the standard curiously
William A. Ahroon +2 more
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