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Detectability and annoyance of warning sounds for electric vehicles

Parizet, Etienne; Robart, Ryan; Chamard, Jean C; Schlittenlacher, Josef; Pondrom, Perceval; Ellermeier, Wolfgang; Biancardo, Fabio; ... Hatton, Gemma; + view all (2013) Detectability and annoyance of warning sounds for electric vehicles. In: Proceedings of Meetings on Acoustics. Acoustical Society of America Green open access

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Abstract

Electric or hybrid vehicles are very quiet at low speeds, which represents a very good opportunity to reduce traffic noise annoyance in cities. On the other hand, this may be very hazardous for vulnerable pedestrians (e.g. visually impaired people). The aim of the eVADER project is to propose solutions in order to add warning sounds to such cars, while fulfilling two contradictory goals : sounds should be detectable but should not contribute to traffic noise annoyance. Different perceptual experiments have been conducted : the first one evaluated the influence of various timbre parameters on sound detectability. It was shown that an electric vehicle equipped with one particular sound was as easily detected as a diesel one, while keeping a very low level. Then the influence of some timbre parameters (pitch and temporal modulation frequency) on the distance and speed as perceived by listeners was measured. Finally, a third experiment was devoted to the consequence on traffic noise annoyance of such warning sounds.

Type: Proceedings paper
Title: Detectability and annoyance of warning sounds for electric vehicles
Event: 21st International Congress on Acoustics 2013 (ICA 2013 Montreal)
Location: Montreal
Dates: 2 Jun 2013 - 7 Jun 2013
Open access status: An open access version is available from UCL Discovery
DOI: 10.1121/1.4800182
Publisher version: https://doi.org/10.1121/1.4800182
Language: English
Additional information: This version is the version of record. For information on re-use, please refer to the publisher’s terms and conditions.
UCL classification: UCL
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/10181612
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