Ear Protection Validation System

Award Information
Agency: Department of Defense
Branch: Defense Health Program
Contract: W81XWH-13-C-0054
Agency Tracking Number: H122-009-0282
Amount: $146,854.00
Phase: Phase I
Program: SBIR
Awards Year: 2013
Solicitation Year: 2012
Solicitation Topic Code: DHP12-009
Solicitation Number: 2012.2
Small Business Information
Michael & Associates, Inc
2766 W. College Ave, Suite 1, State College, PA, -
DUNS: 80588928
HUBZone Owned: N
Woman Owned: N
Socially and Economically Disadvantaged: N
Principal Investigator
 Kevin Michael
 (814) 234-7042
Business Contact
 Kevin Michael
Title: President
Phone: (814) 234-7042
Email: kevin@michaelassociates.com
Research Institution
A new Field-Microphone in Real Ear (F-MIRE) Field Attenuation Estimation System (FAES) is proposed. The insertion loss measurements will utilize a sub-miniature microphone mounted deep in the ear canal. An ultra-thin flat flexible cable (FFC) will connect the microphone to the PC-based analysis module. Human subject and test fixture verification tests have been performed demonstrating that the FFC has no significant effect on insert-type hearing protector attenuation. The FAES system will be compatible with all types of hearing protection, including muffs, inserts, muffs plus inserts, and active noise control devices of either muff- or insert-type. The microphone will be encased in a proprietary, acoustically transparent, removable encasement that will maintain the microphone in a proper measurement position while preventing contact between the microphone and the delicate ear canal walls. The analysis hardware and software will present attenuation data in octave or third-octave band format. A single number Personal Attenuation Rating (PAR) will be generated from these octave band data, and other metrics such as predicted Time-Weighted Average (TWA) exposure, noise dose, and maximum allowable exposure.

* information listed above is at the time of submission.

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