The combined effects of reverberation and noise on speech intelligibility by cochlear implant listeners.

International Journal of Audiology
Oldooz Hazrati, Philipos C Loizou

Abstract

The purpose of this study is to assess the individual effect of reverberation and noise, as well as their combined effect, on speech intelligibility by cochlear implant (CI) users. Sentence stimuli corrupted by reverberation, noise, and reverberation + noise are presented to 11 CI listeners for word identification. They are tested in two reverberation conditions (T60 = 0.6 s, 0.8 s), two noise conditions (SNR = 5 dB, 10 dB), and four reverberation + noise conditions. Eleven CI users participated. Results indicated that reverberation degrades speech intelligibility to a greater extent than additive noise (speech-shaped noise), at least for the SNR levels tested. The combined effects were greater than those introduced by either reverberation or noise alone. The effect of reverberation on speech intelligibility by CI users was found to be larger than that by noise. The results from the present study highlight the importance of testing CI users in reverberant conditions, since testing in noise-alone conditions might underestimate the difficulties they experience in their daily lives where reverberation and noise often coexist.

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Citations

Nov 5, 2013·The Journal of the Acoustical Society of America·Oldooz HazratiJohn H L Hansen
Jan 21, 2014·The Journal of the Acoustical Society of America·Yi Hu, Kostas Kokkinakis
Sep 6, 2014·The Journal of the Acoustical Society of America·Hussnain AliJohn H L Hansen
Sep 13, 2017·The South African Journal of Communication Disorders. Die Suid-Afrikaanse Tydskrif Vir Kommunikasieafwykings·Coralie Van Reenen, Catherine Karusseit
Oct 18, 2018·Geriatrics & Gerontology International·Chanbeom KwakSungkyun Kim
Jan 24, 2017·American Journal of Audiology·Susanna MeyerKatrina Stacy
Apr 2, 2014·Journal of Speech, Language, and Hearing Research : JSLHR·Michelle Mason, Kostas Kokkinakis
Apr 19, 2017·Journal of Speech, Language, and Hearing Research : JSLHR·Tobias BuschAstrid van Wieringen
Dec 11, 2019·The Laryngoscope·Maheer M MasoodBrendan P O'Connell
Oct 2, 2017·The Journal of the Acoustical Society of America·Susan R S Bissmeyer, Raymond L Goldsworthy
Sep 6, 2018·The Journal of the Acoustical Society of America·Abigail Anne KressnerJörg M Buchholz
Aug 4, 2015·The Journal of the Acoustical Society of America·Kostas KokkinakisYi Hu
Feb 19, 2020·Ear and Hearing·Emily WaddingtonMatthew J Goupell
Jun 4, 2020·The Journal of the Acoustical Society of America·Javier Badajoz-DavilaRichard Van-Hoesel
May 21, 2021·Journal of the American Academy of Audiology·Chen ChenDaniel M Zeitler
Jun 29, 2021·Frontiers in Neuroscience·Mark D Fletcher, Carl A Verschuur
Apr 8, 2019·Audiology & Neuro-otology·Juliana Maria Araujo CaldeiraRicardo Ferreira Bento
Sep 16, 2021·Otology & Neurotology : Official Publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology·Monika KörtjeTobias Weissgerber

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