Speech Recognition in Noise in Adults and Children... Catalogue en ligne

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Speech Recognition in Noise in Adults and Children Who Speak English or Chinese as Their First Language / Erin C. Schafer in Journal of the American Academy of Audiology (JAAA), Vol.29, n° 10 (November/december 2018)

[article]
inJournal of the American Academy of Audiology (JAAA) > Vol.29, n° 10 (November/december 2018) . - p. 885-897

Titre :	Speech Recognition in Noise in Adults and Children Who Speak English or Chinese as Their First Language
Type de document :	Article
Auteurs :	Erin C. Schafer ; Katsura Aoyama ; Tiffany Ho
Année de publication :	2018
Article en page(s) :	p. 885-897
Langues :	Anglais (eng)
Descripteurs :	HE Vinci Compréhension dans le bruit ; Langue seconde ; Rapport signal-bruit (SNRs) (RSB) ; Reconnaissance de la parole Autres descripteurs Listening in spatialized noise test (LISN) ; Mandarin
Résumé :	he purpose of this study is to examine and compare speech recognition in noise performance across test conditions with varying signal-to-noise ratios (SNRs) as well as the presence of vocal and spatial cues in listeners who speak American English as a native language or Mandarin Chinese as a native language. Self-rated English proficiency and experience were collected for native Mandarin Chinese speakers to determine its relationship to performance on the test measures. A cross-sectional repeated measures design was used for the study. Four groups of participants were included in the study. The adult groups consisted of 25 adults who speak native English and 25 adults who speak native Mandarin Chinese with English as an additional language. The pediatric groups consisted of 16 children who speak native English and 16 children who speak native Mandarin Chinese with English as an additional language. Percent correct speech recognition in noise was assessed at three SNRs (−3, 0, +3 dB) using the adult or pediatric versions of the AzBio sentence test. The Listening in Spatialized Noise-Sentence (LiSN-S) test was used to determine the effect of providing spatial and vocal cues on the speech recognition in noise performance of the groups of participants. The data for each age group and test measure were analyzed with a repeated measures analysis of variance. Correlation analyses were performed to examine relationships between English proficiency and experience on performance across the speech recognition test conditions. Analysis of the data from the adult or pediatric AzBio sentence test identified a significant effect of native language for adults but no significant effect for children. The higher SNRs yielded better performance for all listeners. On the LiSN-S test, results for the adult and pediatric groups were similar and showed significantly better performance for the native English speakers in every test condition. The demographic and language characteristics that most affected speech recognition performance across the test measures included the length of time the person lived in the United States, the age of English acquisition, the number of minutes per day English was spoken by the participant, and the self-rated English proficiency. The findings in this study highlight the importance and benefit of higher SNRs as well as the provision of vocal and spatial cues for improving speech recognition performance in noise of adult and pediatric listeners who speak Mandarin Chinese as a native language.
DOI :	10.3766/jaaa.17066\|1
Disponible en ligne :	Oui
En ligne :	https://login.ezproxy.vinci.be/login?url=https://medone-comsci.thieme.com/ejourn [...]
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Journal of the American Academy of Audiology (JAAA). Vol.29, n°10 (November/december 2018)	Périodique papier	Ixelles	Rez	Consultation sur place uniquement Exclu du prêt

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