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Perception audio-visuelle de séquences VCV produites par des personnes porteuses de Trisomie 21 : une étude préliminaire

Alexandre Hennequin 1 Amélie Rochet-Capellan 1 Marion Dohen 1
1 GIPSA-PCMD - GIPSA - Perception, Contrôle, Multimodalité et Dynamiques de la parole
GIPSA-DPC - Département Parole et Cognition, GIPSA-PPC - GIPSA Pôle Parole et Cognition
Abstract : The speech of people with Down Syndrome (DS) is systematically altered resulting in an intelligibility loss. This was quantified only auditorily. The visual modality could actually improve intelligibility, as is the case for " ordinary " people. The present study compares the way 24 ordinary participants perceive VCV sequences (vowel-consonant-vowel) produced by four adults (2 with DS and 2 ordinary) and presented in noise in three modalities: auditory, auditory-visual and visual. The results confirm an intelligibility loss in the auditory modality for speakers with DS. However, for the two speakers involved in this study, visual intelligibility is equivalent to that of the ordinary speakers and compensates for the auditory intelligibility loss. These results put forward the importance of integrating multimodality to improve the intelligibility of people with DS.
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https://hal.archives-ouvertes.fr/hal-01348019
Contributor : Alexandre Hennequin <>
Submitted on : Friday, July 22, 2016 - 11:18:47 AM
Last modification on : Thursday, May 14, 2020 - 1:32:53 AM

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  • HAL Id : hal-01348019, version 1

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Alexandre Hennequin, Amélie Rochet-Capellan, Marion Dohen. Perception audio-visuelle de séquences VCV produites par des personnes porteuses de Trisomie 21 : une étude préliminaire. 31e Journées d'Études sur la Parole (JEP-TALN-RECITAL 2016), Jul 2016, Paris, France. ⟨hal-01348019⟩

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