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The effect of temporally fluctuating maskers on speech production and communication

Saigusa, J; Hazan, V; (2019) The effect of temporally fluctuating maskers on speech production and communication. In: Proceedings of 19th International Congress of the Phonetic Sciences. : Melbourne, Australia. (In press).

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Abstract

Recent work has found that neural oscillators entrain with envelope modulations of attended speech in noise, and that speakers produce more pronounced amplitude modulations in noisy conditions. This study aims to expand on this finding, and to investigate how speakers adapt to temporal fluctuations in masking noise. 16 adult female participants were recorded reading sentences to a partner who repeated back what they heard while both were in quiet, in speech-shaped noise (SSN), and in SSN modulated by 1Hz, 4Hz, or 8Hz square waves. The amplitude modulation spectra for speech produced each condition were calculated. More pronounced modulations were produced in noise, with most similar effects for the 1Hz and SSN conditions. This suggests that changes in amplitude modulations are adaptations to the specific environment rather than a generalised response to noise, and that adaptations are not simply a function of the energetic content of the masker.

Type: Proceedings paper
Title: The effect of temporally fluctuating maskers on speech production and communication
Event: 19th International Congress of the Phonetic Sciences
Location: Melbourne, Australia
Dates: 05 August 2019 - 09 August 2019
Publisher version: https://www.icphs2019.org/
Language: English
Additional information: This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions.
Keywords: Speech production, Speech in noise, Temporal modulation
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: http://discovery.ucl.ac.uk/id/eprint/10072723
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