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Saturday, February 12 • 3:00pm - 8:00pm
Validation of Electromechanical Hearing Protection Evaluation Methods

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Preventing hearing injury while maintaining situational awareness is of critical importance to Soldiers and operational planners. As the modern military encounters a variety of complex situations, determining the optimal hearing protection device (HPD) in each case is a non-trivial task. Currently, only the Noise Reduction Rating (NRR) is used as a standard HPD specification; other important characteristics of advanced HPDs are not evaluated or reported in a standardized manner. Most HPD performance evaluation is done using human subjects, and commercially available HPDs present more options than can be reasonably evaluated. To address this challenge, a suite of quantitative, sensor-based tests to quickly, inexpensively, and comprehensively evaluate candidate HPDs is being developed for military use. The five tests consist of metrics regarding signal quality, sound localization, level-dependent frequency response, self-noise for active electronic devices, and impulse noise response. Electromechanical metric results will be correlated with human subject trials, which are still in early stages; however, preliminary results will be presented and compared with the complimentary electromechanical methods. An overview of the software tool under development for use by operational planners to select the optimal HPD for their missions will also be given.

Speakers
avatar for Theodore Argo, Ph.D

Theodore Argo, Ph.D

Principal Scientist, Applied Research Associates
An acoustic scientist with experience in research into human hearing injury, hearing protection devices, instrumentation, and fast-running physics-based numerical code development. Dr. Argo has led development of human hearing studies focusing on laboratory methods for evaluation... Read More →
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Andrew Brown, Ph.D

Dr. Brown is an Assistant Professor of Speech and Hearing Sciences and an Adjunct Assistant Professor of Psychology at the University of Washington. Dr. Brown’s research is focused on the topic of spatial hearing. Current projects evaluate impacts of hearing devices, including hearing... Read More →
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Nate Greene, Ph.D

Dr. Greene’s research focuses on the mechanics and physiology of the auditory system and hearing. His lab focuses on the effects of using hearing restoration devices, as well as the mechanisms of hearing loss during high level sound exposure. Studies on hearing restoration devices... Read More →
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Caylin McCallick, AuD

Dr. Caylin McCallick is a Senior Professional Research Assistant in the Department of Otolaryngology at the University of Colorado, Anschutz Medical Campus. Dr. McCallick completed her Bachelor of Arts degree in Communicative Sciences and Disorders with a minor in Psychology at Saint... Read More →
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Greg Rule

Mr. Rule is an experienced prior military officer with a reputation for building, developing, and managing teams to achieve challenging goals under severe personnel and budget constraints. Mr. Rule serves as a technical and project management lead for Applied Research Associates on... Read More →
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Carol Sammeth, Ph.D

Dr. Sammeth has more than 30 years of experience working as a researcher, professor, teacher, and clinician in audiology and hearing science, including holding faculty positions at several major universities and schools of medicine. She has also worked as a regulatory specialist... Read More →


Saturday February 12, 2022 3:00pm - 8:00pm CST
Virtual
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Attendees (1)