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Saturday, February 9 • 2:55pm - 3:15pm
Comparisons of DRC for Impulsive Noise: Evidence from Firearm Noise

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Damage-risk criteria (DRC) for noise are intended to describe the relationship between an acoustic signal and the risk of harm to the auditory system.  Exposure limits for impulsive noises are expressed in maximum permissible exposures (MPE).  There are a variety of DRC for impulsive noises, and the exposure limits imposed by each can vary widely.  DRC models rely on different theoretical constructs (e.g., A-weighted equivalent energy, cochlear input signals, expected basilar membrane activity) and assumptions, but the outcomes of these models could be related.  If strong, these relationships might permit the transformation of the outcomes of one model to another.  In this study, recorded impulses from 49 firearms at each of 18 microphone locations were used to evaluate the predictability of the outcomes of one DRC based on the outcomes of a different DRC.  The results suggested that the interrelationships permit reasonably accurate transformations of outcomes across DRC.

avatar for Greg Flamme

Greg Flamme

Senior Scientist, SASRAC
Gregory A. Flamme, Ph.D. is a Senior Scientist with Stephenson and Stephenson Research and Consulting (SASRAC).Prior to joining SASRAC, Dr. Flamme held faculty positions at Western Michigan University and The University of Iowa.He completed his Ph.D. in Audiology at The University... Read More →
avatar for Deanna Meinke, Ph.D.

Deanna Meinke, Ph.D.

Professor, University of Northern Colorado
Deanna Meinke, Ph.D., is a professor in the Department of Audiology and Speech-Language Sciences at the University of Northern Colorado and is the Co-Director of the Dangerous Decibels public health partnership for prevention of noise-induced hearing loss.  Her research interests... Read More →


Saturday February 9, 2019 2:55pm - 3:15pm PST
High Plains 1-2