Monitoring sound pressure at the eardrum for hearing conservation

Authors

  • Anthony J. Brammer Ergonomic Technology Center, Univ. of Connecticut Health Center, Farmington, CT 06030-2017, United States
  • Gongqiang Yu Ergonomic Technology Center, Univ. of Connecticut Health Center, Farmington, CT 06030-2017, United States
  • Eric R. Bernstein Ergonomic Technology Center, Univ. of Connecticut Health Center, Farmington, CT 06030-2017, United States
  • Donald R. Peterson Ergonomic Technology Center, Univ. of Connecticut Health Center, Farmington, CT 06030-2017, United States
  • Martin G. Cherniack Ergonomic Technology Center, Univ. of Connecticut Health Center, Farmington, CT 06030-2017, United States
  • Jennifer B. Tufts Dept. of Communication Sciences, Univ. of Connecticut, Storrs, CT 06269-1085, United States

Keywords:

Microphones, Molds, Ultrasonics, Uncertainty analysis, Ear canal, Hearing conservation, Probe tips, Sound pressures

Abstract

A study was conducted to describe a probe microphone assembly to monitor sound pressures at the eardrum for hearing conservation. The probe microphone assembly permitted the uncertainty in probe-tip position to be eliminated and the transfer function to the eardrum to be estimated. The device was attached to an ear mold designed to self-locate within the concha and ear canal and position the probe tip reproducibly. The device consisted of a miniature probe microphone and a customized ear-mold. The ear mold was fabricated from an ear impression that was obtained for each subject following established audiological procedures. The ear impression provided the contour of the perimeter of the concha and cymba, which was required to produce the 'C'-structure used to position the ear mold external to the ear canal.

Additional Files

Published

2009-09-01

How to Cite

1.
Brammer AJ, Yu G, Bernstein ER, Peterson DR, Cherniack MG, Tufts JB. Monitoring sound pressure at the eardrum for hearing conservation. Canadian Acoustics [Internet]. 2009 Sep. 1 [cited 2024 Apr. 19];37(3):108-9. Available from: https://jcaa.caa-aca.ca/index.php/jcaa/article/view/2157

Issue

Vol. 37 No. 3 (2009)

Section

Proceedings of the Acoustics Week in Canada

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