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Acoustic and visual adaptations in speech produced to counter adverse listening conditions

Hazan, VL; Kim, J; (2013) Acoustic and visual adaptations in speech produced to counter adverse listening conditions. In: Proceedings of Auditory-Visual Speech Processing 2013. (pp. pp. 93-98). Inria: Rocquencourt, France. Green open access

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Abstract

This study investigated whether communication modality affects talkers’ speech adaptation to an interlocutor exposed to background noise. It was predicted that adaptations to lip gestures would be greater and acoustic ones reduced when communicating face-to-face. We video recorded 14 Australian-English talkers (Talker A) speaking in a face-to-face or auditory only setting with their interlocutors who were either in quiet or noise. Focusing on keyword productions, acoustic-phonetic adaptations were examined via measures of vowel intensity, pitch, keyword duration, vowel F1/F2 space and VOT, and visual adaptations via measures of vowel interlip area. The interlocutor adverse listening conditions lead Talker A to reduce speech rate, increase pitch and expand vowel space. These adaptations were not significantly reduced in the face-to-face setting although there was a trend for a smaller degree of vowel space expansion than in the auditory only setting. Visible lip gestures were more enhanced overall in the face-to-face setting, but also increased in the auditory only setting when countering the effects of noise. This study therefore showed only small effects of communication modality on speech adaptations.

Type: Proceedings paper
Title: Acoustic and visual adaptations in speech produced to counter adverse listening conditions
Event: The 12th International Conference on Auditory-Visual Speech Processing
Location: Annecy, France
Dates: 2013-08-29 - 2013-09-01
Open access status: An open access version is available from UCL Discovery
Publisher version: http://avsp2013.loria.fr/proceedings/
Language: English
Keywords: Speech production, Audiovisual speech, Speech adaptation
UCL classification: UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences > Div of Psychology and Lang Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences > Div of Psychology and Lang Sciences > Speech, Hearing and Phonetic Sciences
URI: https://discovery.ucl.ac.uk/id/eprint/1396104
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