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    Catégorie de document Contribution à un colloque ou à un congrès
    Titre Detectability study of warning signals in urban background noises: A first step for designing the sound of electric vehicles
    Auteur principal Nicolas Misdariis
    Co-auteurs Anais Gruson, Patrick Susini
    Colloque / congrès ICA - INternational Congress on Acoustics. Montreal : Juin 2013
    Comité de lecture Oui
    Année 2013
    Statut éditorial Publié

    Electric vehicles, tends to become a growing category of today′s human means of transport. But, because these kind of vehicles are actually quiet, or even silent, the question of a dedicated sound design arise almost inevitably in order to make them more present − then secure − both for their proximity (pedestrians) and their users (driver). This being, current issues for a sound design research framework is then to exploit and explore sound properties that, first, will fix a goal of functionnality (emergence, recognition, acceptance) and, second, will define guidelines for the development of new aesthetics to be included in a general design approach. Thus, a first study focusing on detection of warning signals in urban environments was achieved. Based on the state-of-the-art, a corpus of elementary signals was built and characterized in a time / frequency domain for representing basic temporal and spectral properties (continuous, impulsive, harmonic, etc.). A corpus of representative urban environments was also recorded and realistic sequences were mixed with a dynamic approaching-source model. A reaction time experiment was conducted and leads to interesting observations: especially, specific properties promoting emergence. Moreover, a seemingly significant learning effect also rises from the data and should be further investigated.

    Mots-clés quiet vehicle / detectability / urban soundscape
    Equipe Perception et design sonores
    Cote Misdariis13a
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