2017
DOI: 10.1121/1.4973620
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Use of a glimpsing model to understand the performance of listeners with and without hearing loss in spatialized speech mixtures

Abstract: In many situations, listeners with sensorineural hearing loss demonstrate reduced spatial release from masking compared to listeners with normal hearing. This deficit is particularly evident in the "symmetric masker" paradigm in which competing talkers are located to either side of a central target talker. However, there is some evidence that reduced target audibility (rather than a spatial deficit per se) under conditions of spatial separation may contribute to the observed deficit. In this study a simple "gl… Show more

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Cited by 35 publications
(36 citation statements)
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“…It is also possible that a combination of glimpsing and high-frequency ILDs provides access to spatial cues that are more easily detected than at lower frequencies where there is greater overlap of target and masker spectra. Future work should address the specific possibility of binaural glimpsing in high-frequency regions, as well as the possibility that hearing impairment reduces the ability to benefit from glimpses ( Best et al, 2016 , 2017 ).…”
Section: Discussionmentioning
confidence: 99%
See 1 more Smart Citation
“…It is also possible that a combination of glimpsing and high-frequency ILDs provides access to spatial cues that are more easily detected than at lower frequencies where there is greater overlap of target and masker spectra. Future work should address the specific possibility of binaural glimpsing in high-frequency regions, as well as the possibility that hearing impairment reduces the ability to benefit from glimpses ( Best et al, 2016 , 2017 ).…”
Section: Discussionmentioning
confidence: 99%
“…This suggests that the amount of hearing impairment in the high-frequency regions might predict SRM. One way that listeners might use information in the high-frequency region of the speech stimuli to improve performance in the presence of speech maskers could be by using the frequent low-energy periods in high-frequency portions of the masker to “glimpse” the target ( Ahlstrom et al, 2014 ; Best et al, 2016 ; Best, Mason, Swaminathan, Roverud, & Kidd, 2017 ; Brungart & Iyer, 2012 ; Cooke, 2006 ; Glyde, Buccholz, Dillon, Best, et al, 2013 ). Other researchers have found that speech intelligibility can improve with access to high-frequency information, either for aided or unaided listeners ( Ahlstrom, Horwitz, & Dubno, 2009 ; Ahlstrom et al, 2014 ; Levy, Freed, Nilsson, Moore, & Puria, 2015 ; Moore, Füllgrabe, & Stone, 2010 ) and for both listeners with NH and with HI without hearing aids ( Jakien, Kampel, Gordon, & Gallun, 2017 ; Levy et al, 2015 ).…”
mentioning
confidence: 99%
“…The interactions of these different factors, as well as others such as reduced audibility and differences in the ability to use brief glimpses of target energy in masker envelope minima (cf. Best, Mason, Swaminathan, Roverud, & Kidd, 2017), complicate the interpretation of the reduced SRM for listeners with SNHL. A full discussion of this issue is beyond the scope of the current article.…”
Section: Reduced Spatial Tuning In Listeners With Sensorineural Hearimentioning
confidence: 99%
“…However, amplification alone does not compensate fully for this problem. Normal SRM in multi-source environments is not fully achieved even with bilateral hearing aids (Marrone et al 2008b), although the issue of whether standard amplification schemes restore sufficient speech information to support SRM is a matter of active research (Glyde et al 2015; Best et al 2017a). Furthermore, sensorineural hearing loss often leads to distortions/disruptions in spectral and temporal processing which cannot be compensated for via amplification (e.g., Moore 1996).…”
Section: Introductionmentioning
confidence: 99%