[en] This study investigated the effect of degraded listening conditions and speech rate on children’s answer accuracy and response time in a speech perception task. Fifty-three normally-developing children (aged 5-6 years) listened to 72 pseudo-word pairs presented at two different speech rates (normal and fast) and four different listening conditions (normal voice in silence [control], dysphonic voice in silence, normal voice in speech-shaped noise (SSN) at 0 dBA SNR, and dysphonic voice in SSN at 0 dBA SNR). The participants had to decide whether the pseudo-words were the same (e.g. /filam/ - /filam/) or different (e.g. /mafin/ - /nafin/). For either speech rate, degraded listening conditions were found to significantly decrease answer accuracy. Regarding response time, speech rate interacted with listening condition: At fast as opposed to normal speech rate, children responded slower to normal voice in SSN but faster to the three other listening conditions. Our findings suggest that speech signal degradations may disrupt children’s speech perception even at normal speed. Speech rate might influence the extent of listening effort associated with adverse listening conditions. A good quality and adequate transmission of the speech signal may help children to listen effectively.
Research center :
PsyNCog - Psychologie et Neuroscience Cognitives - ULiège EQUALE - Évaluation et Qualité de l'Enseignement - ULiège
Disciplines :
Engineering, computing & technology: Multidisciplinary, general & others Otolaryngology Social & behavioral sciences, psychology: Multidisciplinary, general & others Languages & linguistics
Author, co-author :
Schiller, Isabel ; Université de Liège - ULiège > Département de Logopédie > Logopédie des troubles de la voix
Morsomme, Dominique ; Université de Liège - ULiège > Département de Logopédie > Logopédie des troubles de la voix
Kob, Malte
Remacle, Angélique ; Université de Liège - ULiège > Département de Logopédie > Logopédie des troubles de la voix
Language :
English
Title :
Children’s perception of degraded speech at normal vs. fast speech rate
Publication date :
12 September 2019
Event name :
23rd International Congress on Acoustics
Event date :
from 09-09-2019 to 13-09.2019
Audience :
International
Main work title :
Proceedings of the 23rd International Congress on Acoustics, integrating 4th EAA Euroregio 2019
Main work alternative title :
[en] ICA 2019
Author, co-author :
Ochmann, Martin
Publisher :
Deutsche Gesellschaft für Akustik e.V. (DEGA), Aachen, Germany
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