Attenuation Variation Obtained with Subject Fit of the Sigma Engineering Triple-Flange Insert Hearing Protective Device,

Abstract

The sound attenuation provided by a preformed-flange insert hearing protective device was determined when the user had no fitting instructions or training in the use of the device. This situation does occur in many instances among US Army personnel. The results of this study indicate that lack of training in the use of the Sigma Engineering Triple-Flange earplug reduces the available sound attenuation provided by the earplug by approximately 5 dB at most frequencies. Furthermore, the attenuation was more variable than that found in the experimenter fit group of subjects tested. Adequate fitting instructions should be developed and issued with the hearing protectors. Users should be trained in the use of the device. (Author)

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Document Details

Document Type
Technical Report
Publication Date
Jun 01, 1983
Accession Number
ADA130676

Entities

People

  • Jerod L. Goldstein

Organizations

  • United States Army Aeromedical Research Lab

Tags

Communities of Interest

  • Biomedical

DTIC Thesaurus Topics

  • Air Force
  • Army Personnel
  • Artillery
  • Attenuators
  • Biological Sciences
  • Biomedical Research
  • Engineering
  • Frequency
  • Health Services
  • Human Factors Engineering
  • Laboratory Procedures
  • Measurement
  • Medical Personnel
  • Military Research
  • New York
  • Training
  • United States

Readers

  • Acoustics.
  • Instructional Design and Training Evaluation.
  • Regression Analysis.