NSMRL's Computer-Controlled Facility for Real-Ear-Attenuation at Threshold (REAT) Testing of Hearing Protectors: Re-Verification to ANSI Standard

reportActive / Technical Report | Accession Number: AD1072433 | Open PDF

Abstract:

A psychoacoustic research facility incorporating a reverberant sound field exists in the Naval Submarine Medical Research Laboratory NSMRL to perform empirical measurement of noise attenuation capabilities of hearing protection devices HPDs intended for defending human hearing against hazardous sound. This facility, its instrumentation, and the test protocol employed are implemented to meet the real-ear-attenuation-at-threshold REAT test requirements of ANSI standard S12.6-2008 Method for Measuring the Real-Ear Attenuation of Hearing Protectors, hereafter referred to as S12.6-2008 American National Standards Institute, 2008. This report provides an overview of the physical facility and the instrumentation used to conduct HPD attenuation testing as indicated by S12.6-2008. Furthermore, the procedures employed and the resulting acoustic verification data obtained for demonstrating that the facility meets the guidelines of S12.6-2008, are presented in detail. The verification data presented in this report indicate the facility is in accordance with S12.6-2008.

Author(s):
Federman, Jeremy S. ; Ginsberg, Joshua T.
Author Organization(s):
Naval Submarine Medical Research Laboratory Groton
Descriptive Note:
Technical Report,01 Oct 2017,31 Dec 2017
Supplementary Note:
01 Jan 0001, 01 Jan 0001, For reverification purposes
Pagination:
0058

Security Markings

DOCUMENT & CONTEXTUAL SUMMARY

Distribution:
Approved For Public Release
Distribution Statement:
Approved For Public Release;

RECORD

Collection: TR
Identifying Numbers
Report Number(s):
NSMRL/F1016/TM-2019-1328, NSMRL
 Subject Terms
Joint Capability Areas:
JCA_6.1.3_Switching and Routing; JCA_6_Net Centric; JCA_6.1.1_Wired Transmission; JCA_6.1_Information Transport; JCA_1_Force Support; JCA_6.4.1_Secure Information Exchange; JCA_1.2_Force Preparation; JCA_6.4_Information Assurance
Modernization Areas:
Microelectronics
Communities of Interest:
Biomedical
Descriptor(s):
attenuation, hearing protection, submarines, standards, verification, test methods, personal protective equipment
Field(s)/Group(s):
Medical Facilities, Equipment and Supplies
Keyword(s):
Real Ear Attenuation at Threshold, American National Standards Institute, S12 6 2008, Hearing Protection Device Fit testing
Report Date:
2019 Apr 16
Creation Date:
2019 May 09