The reduction of gunshot noise and auditory risk through the use of firearm suppressors and low-velocity ammunition

Campbell, Adam R.; Finan, Donald S.; Flamme, Gregory A.; Lankford, James E.; Meinke, Deanna K.; Murphy, William J.; Stewart, Michael; Tasko, Stephen M.; Zechmann, Edward L.

doi:10.6084/m9.figshare.5764659.v1

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The reduction of gunshot noise and auditory risk through the use of firearm suppressors and low-velocity ammunition

2018
See Associated Publication(s)
By Campbell, Adam R. ; Finan, Donald S. ; Flamme, Gregory A. ; ...

Details:

Alternative Title:

figshare Academic Research System
Journal Article:

International Journal of Audiology
Personal Author:

Campbell, Adam R. ; Finan, Donald S. ; Flamme, Gregory A. ; Lankford, James E. ; Meinke, Deanna K. ; ... More +

Campbell, Adam R. ; Finan, Donald S. ; Flamme, Gregory A. ; Lankford, James E. ; Meinke, Deanna K. ; Murphy, William J. ; Stewart, Michael ; Tasko, Stephen M. ; Zechmann, Edward L. Less -
Corporate Authors:

Allied Health and Communication Disorders, Northern Illinois University ; Audiology and Speech-Language Sciences, University of Northern Colorado ; Department of Communication Disorders, Central Michigan University ; Department of Speech, Language and Hearing Sciences, Western Michigan University ; Hearing Loss Prevention Team, Engineering and Physical Hazards Branch, Division of Applied Research and Technology, National Institute for Occupational Safety and Health ; ... More +

Allied Health and Communication Disorders, Northern Illinois University ; Audiology and Speech-Language Sciences, University of Northern Colorado ; Department of Communication Disorders, Central Michigan University ; Department of Speech, Language and Hearing Sciences, Western Michigan University ; Hearing Loss Prevention Team, Engineering and Physical Hazards Branch, Division of Applied Research and Technology, National Institute for Occupational Safety and Health ; Hearing Loss Prevention Team, National Institute for Occupational Safety and Health (NIOSH), CDC ; Stephenson and Stephenson Research and Consulting (SASRAC) ; Stephenson and Stephenson Research and Consulting, LLC Less -
Description:

Objective: This research assessed the reduction of peak levels, equivalent energy and sound power of firearm suppressors. Design: The first study evaluated the effect of three suppressors at four microphone positions around four firearms. The second study assessed the suppressor-related reduction of sound power with a 3 m hemispherical microphone array for two firearms. Results: The suppressors reduced exposures at the ear between 17 and 24 dB peak sound pressure level and reduced the 8 h equivalent A-weighted energy between 9 and 21 dB depending upon the firearm and ammunition. Noise reductions observed for the instructor’s position about a metre behind the shooter were between 20 and 28 dB peak sound pressure level and between 11 and 26 dB LAeq,8h. Firearm suppressors reduced the measured sound power levels between 2 and 23 dB. Sound power reductions were greater for the low-velocity ammunition than for the same firearms fired with high-velocity ammunition due to the effect of N-waves produced by a supersonic bullet. Conclusions: Firearm suppressors may reduce noise exposure, and the cumulative exposures of suppressed firearms can still present a significant hearing risk. Therefore, firearm users should always wear hearing protection whenever target shooting or hunting.
Content Notes:

Stacks:111710
Keywords:

[+]

69999 Biological Sciences Not Elsewhere Classified 110309 Infectious Diseases FOS: Biological Sciences FOS: Health Sciences FOS: Sociology Medicine Molecular Biology Science Policy Sociology
DOI:

https://dx.doi.org/10.6084/m9.figshare.5764659.v1
Landing Page:

https://tandf.figshare.com/articles/The_reduction_of_gunshot_noise_and_auditory_risk_through_the_use_of_firearm_suppressors_and_low-velocity_ammunition/5764659/1
Modified:

01/23/2018
Date Issued:

01/01/2018
Document Type:

Dataset
CIO:

NIOSH
Collection(s):

Stephen B. Thacker CDC Library collection
Main Document Checksum:

[+]

urn:sha256:e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

English

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The reduction of gunshot noise and auditory risk through the use of firearm suppressors and low-velocity ammunition

[PDF - 2.24 MB]

Personal Author:

Murphy, William J. ;

Flamme, Gregory A.
...

2 2018 | Int J Audiol. 57(SUP1):S28-S41

Description:

Objective:This research assessed the reduction of peak levels, equivalent energy and sound power of firearm suppressors.Design:The first study evaluat...

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[PDF - 2.24 MB]

File Type:

[PDF - 2.24 MB]

The reduction of gunshot noise and auditory risk through the use of firearm suppressors and low-velocity ammunition

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