Publication: Recognition of Spanish consonants in 8-talker babble by children with cochlear
implants, and by children and adults with normal hearing
Authors
Moreno-Torres, Ignacio ; Madrid Cánovas, Sonia
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Publisher
Acoustical Society of America
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DOI
https://doi.org/10.1121/1.5044416
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info:eu-repo/semantics/article
Description
© 2018. The authors. This document is made available under the CC-BY 4.0 license http://creativecommons.org/licenses/by /4.0/
This document is the Accepted version of a Published Work that appeared in final form in The Journal of the Acoustical Society of America (JASA). To access the final edited and published work see https://doi.org/10.1121/1.5044416
Abstract
This paper presents the results of closed-set recognition task for 80 Spanish consonant-vowel sounds in 8-talker babble. Three groups of subjects participated in the study: a group of children using cochlear implants (CIs; age range: 7–13), an age-matched group of children with normal hearing (NH), and a group of adults with NH. The speech-to-noise ratios at which the participants recognized 33% of the target consonants were +7.8 dB, −3 dB, and −6 dB, respectively. In order to clarify the qualitative differences between the groups, groups were matched for the percentage of recognized syllables. As compared with the two groups with NH, the children with CIs: (1) produced few “I do not know” responses; (2) frequently selected the voiced stops (i.e., /b, d, ɡ/) and the most energetic consonants (i.e., /l, r, ʝ, s, ʧ/); (3) showed no vowel context effects; and (4) had a robust voicing bias. As compared with the adults with NH, both groups of children showed a fronting bias in place of articulation errors. The factors underlying these error patterns are discussed.
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Citation
The Journal of the Acoustical Society of America (JASA) 144, 69–80 (2018)
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