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The prediction of fatigue using speech as a biosignal

Baykaner, K; Huckvale, M; Whiteley, I; Ryumin, O; Andreeva, S; (2015) The prediction of fatigue using speech as a biosignal. In: Dediu, Adrian-Horia and Martín-Vide, Carlos and Vicsi, Klára, (eds.) Proceedings of International Conference on Statistical Language and Speech Processing - SLSP 2015. (pp. pp. 8-17). Springer: Budapest, Hungary. Green open access

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Abstract

Automatic systems for estimating operator fatigue have application in safety-critical environments. We develop and evaluate a system to detect fatigue from speech recordings collected from speakers kept awake over a 60-hour period. A binary classification system (fatigued/not-fatigued) based on time spent awake showed good discrimination, with 80 % unweighted accuracy using raw features, and 90 % with speaker-normalized features. We describe the data collection, feature analysis, machine learning and cross-validation used in the study. Results are promising for real-world applications in domains such as aerospace, transportation and mining where operators are in regular verbal communication as part of their normal working activities.

Type: Proceedings paper
Title: The prediction of fatigue using speech as a biosignal
Event: International Conference on Statistical Language and Speech Processing Statistical Language and Speech Processing Third International Conference, SLSP 2015
ISBN-13: 9783319257884
Open access status: An open access version is available from UCL Discovery
DOI: 10.1007/978-3-319-25789-1_2
Publisher version: https://doi.org/10.1007/978-3-319-25789-1_2
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: Fatigue, Speech, Computational paralinguistic
UCL classification: UCL
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
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences > Dept of Space and Climate Physics
URI: https://discovery.ucl.ac.uk/id/eprint/1473299
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