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Do-It-Yourself Voice Dosimeter Device: A Tutorial and Performance Results.

Pasquale Bottalico1, Charles J Nudelman1

  • 1Department of Speech and Hearing Science, University of Illinois at Urbana-Champaign.

Journal of Speech, Language, and Hearing Research : JSLHR
|June 1, 2023
PubMed
Summary
This summary is machine-generated.

A new, low-cost DIY voice dosimeter was developed and validated. Its performance is comparable to commercial devices, offering a viable tool for voice disorder research and clinical applications.

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Area of Science:

  • Biomedical Engineering
  • Speech Science
  • Acoustics

Background:

  • Voice dosimeters are crucial for collecting voice production data in daily life.
  • Understanding voice disorders and their pathophysiology relies on such data.
  • Previous commercial voice dosimeters are no longer available, creating a research gap.

Purpose of the Study:

  • To provide instructions for assembling a low-cost, DIY voice dosimeter.
  • To validate the performance of this DIY voice dosimeter.

Main Methods:

  • Ten vocally healthy participants were recruited.
  • The DIY voice dosimeter and a reference microphone recorded voice tasks.
  • Acoustic parameters were analyzed to determine the mean error and uncertainty of the DIY device.

Main Results:

  • Sound pressure level: -0.68 dB mean error (0.56 dB uncertainty).
  • Fundamental frequency: Mean errors of 1.56 Hz (female) and 1.11 Hz (male), with uncertainties of 0.62 Hz and 0.34 Hz, respectively.
  • Cepstral peak prominence smoothed and L1-L2 showed mean errors of -0.06 dB (0.27 dB) and 2.20 dB (0.72 dB).

Conclusions:

  • The DIY voice dosimeter demonstrates performance comparable to previously available commercial devices.
  • This accessible DIY solution can support research and clinical applications for voice disorders.