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Journal Article

Citation

Misdariis N, Gruson A, Susini P. J. Acoust. Soc. Am. 2013; 133(5): 3322.

Affiliation

UMR STMS Ircam-CNRS-UPMC, IRCAM, 1, place Igor Stravinsky, Paris F- 75004, Francemisdarii@ircam.fr.

Copyright

(Copyright © 2013, American Institute of Physics)

DOI

10.1121/1.4805555

PMID

23654896

Abstract

Electric vehicles tend 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 arises 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 functionality (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 the emergence. Moreover, a seemingly significant learning effect also rises from the data and should be further investigated.


Language: en

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