Reduced efficiency of audiovisual integration for nonnative speech

The role of visual cues in native listeners' perception of speech produced by nonnative speakers has not been extensively studied. Native perception of English sentences produced by native English and Korean speakers in audio-only and audiovisual conditions was examined. Korean speakers were ra...

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Bibliographic Details
Published in:The Journal of the Acoustical Society of America 2013-11, Vol.134 (5), p.EL387-EL393
Main Authors: Yi, Han-Gyol, Phelps, Jasmine E B, Smiljanic, Rajka, Chandrasekaran, Bharath
Format: Article
Language:English
Subjects:
Acoustic Stimulation
Adolescent
Adult
Audiometry, Speech
Auditory Threshold
Cues
Facial Expression
Female
Humans
Language
Male
Noise - adverse effects
Perceptual Masking
Photic Stimulation
Sound Spectrography
Speech Acoustics
Speech Intelligibility
Speech Perception
Visual Perception
Young Adult
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Summary:The role of visual cues in native listeners' perception of speech produced by nonnative speakers has not been extensively studied. Native perception of English sentences produced by native English and Korean speakers in audio-only and audiovisual conditions was examined. Korean speakers were rated as more accented in audiovisual than in the audio-only condition. Visual cues enhanced word intelligibility for native English speech but less so for Korean-accented speech. Reduced intelligibility of Korean-accented audiovisual speech was associated with implicit visual biases, suggesting that listener-related factors partially influence the efficiency of audiovisual integration for nonnative speech perception.
ISSN:0001-4966
1520-8524
DOI:10.1121/1.4822320