Communication headset use and noise measurement in the workplace

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Communication headset use and noise measurement in the workplace

Authors
Publisher
Canadian Acoustical Association / Association canadienne d'acoustique
Keywords
  • Communication
  • Noise Pollution
  • Acoustic Noise
  • Architectural Acoustics
  • Probes
  • Microphones
  • Noise Exposure
  • Ear Canal
  • Noise Pollution Control
  • Noise Measurements
  • Direct Measurement
  • Human Head
  • Sound Exposure

Abstract

The ISO 11904 describes two procedures for the direct measurement of sound under communication headsets. For the Microphone in a Real Ear (MIRE) technique, a specially trained individual must insert a miniature or probe microphone in the worker's ear canal. Although this technique provides the most direct estimate of sound exposure to the worker, its invasive nature could restrict his/her movement, and the positioning of the microphone or probe can be problematic. The ISO 11904-2 [6] specifies sound measurements on an acoustic manikin. The standardized manikin simulates the changes that happen to sound waves as they pass a human head and torso. An indirect calculation method has also been proposed that can serve as a basic tool to predict noise exposure in workplace settings where communication headsets are worn.

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