Evaluation of a notched-noise test on a mobile phone

Authors

  • Petteri Hyvärinen Hearing Systems Section, Department of Health Technology, Technical University of Denmark, DK-2800 Lyngby, Denmark
  • Michal Fereczkowski Hearing Systems Section, Department of Health Technology, Technical University of Denmark, DK-2800 Lyngby, Denmark; Institute of Clinical Research, Faculty of Health Sciences, University of Southern Denmark, DK-5230 Odense, Denmark
  • Ewen N MacDonald Hearing Systems Section, Department of Health Technology, Technical University of Denmark, DK-2800 Lyngby, Denmark

Abstract

The ability to conduct hearing tests and estimate auditory function at home or in the workplace can be useful for screening or longitudinal studies and allow the collection of diagnostic data from tests that are too time consuming to be feasible in the clinic. However, moving away from an acoustically controlled environment may influence the results of a test (e.g., through masking due to higher levels of background noise), increasing the uncertainty in the test measurements. In this study, 9 normal-hearing participants completed a notched noise masking experiment with 3 different experimental setups: in a psychoacoustic test booth with a standard laboratory PC; in a psychoacoustic test booth with a mobile device; and in a quiet office room with a mobile device. The accuracy and reliability of the mobile implementation was compared to results obtained with the laboratory setup. The effect of the test environment was investigated by comparing the mobile platform results between booth and office. The mobile device implementation corresponded well with the laboratory results for a notch width of zero, but showed a systematic bias when the width of the notch was increased. The reliability of the mobile implementation was comparable to the laboratory. Moving outside the sound-insulated booth did not affect the mobile platform results.

References

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Auditory Learning in Biological and Artificial Systems

Additional Files

Published

2020-04-16

How to Cite

Hyvärinen, P., Fereczkowski, M., & MacDonald, E. N. (2020). Evaluation of a notched-noise test on a mobile phone. Proceedings of the International Symposium on Auditory and Audiological Research, 7, 125–132. Retrieved from https://proceedings.isaar.eu/index.php/isaarproc/article/view/2019-15

Issue

Vol. 7 (2019): Auditory Learning in Biological and Artificial Systems

Section

2019/3. Machine listening and intelligent auditory signal processing

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