Binaural objective intelligibility measurement and hearing aids

Authors

  • Nicolas Ellaham School of Information Technology and Engineering, University of Ottawa, 800 King Edward Ave., Ottawa, ON K1N6N5, Canada
  • Christian Giguère School of Rehabilitation Sciences, University of Ottawa, 451 Smith Rd., Ottawa, ON K1H8M5, Canada
  • Wail Gueaieb School of Information Technology and Engineering, University of Ottawa, 800 King Edward Ave., Ottawa, ON K1N6N5, Canada

Keywords:

Acoustic noise, Audition, Hearing aids, Separation, Signal processing, Complex signal, Digital hearing aids, Hearing aid, Initial stages, Noise reduction algorithms, Noise signals, Non-linear signal processing, Nonlinear processing, Objective measure, Signal separation

Abstract

An initial stage was proposed to deal with nonlinear processing and obtain a new binaural objective measure of speech intelligibility in digital hearing aids. The first stage of the binaural measure was based on a simple signal separation scheme used by Hagerman and Olofsson in a monaural investigation of the effects of noise reduction algorithms in hearing aids. It is incorporated into the proposed model with a dual purpose, such as providing separate access to the speech and noise signals at the output of the left and right hearing aids. It served another purpose of dealing with nonlinear signal processing along with complex signal and noise mixtures inside the hearing aid. Signal separation was performed by presenting the speech and noise signals simultaneously to the hearing aid twice, the second time with the phase of the noise reversed.

Additional Files

Published

2009-09-01

How to Cite

1.
Ellaham N, Giguère C, Gueaieb W. Binaural objective intelligibility measurement and hearing aids. Canadian Acoustics [Internet]. 2009 Sep. 1 [cited 2024 Oct. 4];37(3):136-7. Available from: https://jcaa.caa-aca.ca/index.php/jcaa/article/view/2171

Issue

Vol. 37 No. 3 (2009)

Section

Proceedings of the Acoustics Week in Canada

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