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CARACTÉRISATION DE LA QUALITÉ SONORE DE L'ENVIRONNEMENT URBAIN : UNE APPROCHE PHYSIQUE ET PERCEPTIVE BASÉE SUR L'IDENTIFICATION DES SOURCES SONORES

Abstract : Noise in cities is perceived as a question of quality of life. It is generally evaluated by the measurement of his sound level. If this measure is representative of noisy environments which are characterised by continuous flow of vehicles, it is insufficient to characterise the “colour” of a urban soundscape where different sources coexist.
The first part reveals that sound sources are not perceived the same manner and their metrological evaluation should be adapted consequently. This present work proposes an indicator linked to the unpleasantness of sound. Depending on the place it describes, this indicator sometimes uses the loudness of the sequence but always takes account characteristics of emergent sound sources.
The second part of the study proposes two methods for the automatic calculation of this indicator thanks to the identification of sound sources. This tool represents, in fine, a help to the management of an urban soundscape.
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https://tel.archives-ouvertes.fr/tel-00011453
Contributor : Boris Defreville Connect in order to contact the contributor
Submitted on : Tuesday, January 24, 2006 - 3:11:04 PM
Last modification on : Monday, December 14, 2020 - 11:28:20 AM
Long-term archiving on: : Saturday, April 3, 2010 - 9:42:36 PM

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  • HAL Id : tel-00011453, version 1

Citation

Boris Defreville. CARACTÉRISATION DE LA QUALITÉ SONORE DE L'ENVIRONNEMENT URBAIN : UNE APPROCHE PHYSIQUE ET PERCEPTIVE BASÉE SUR L'IDENTIFICATION DES SOURCES SONORES. Acoustique [physics.class-ph]. Université de Cergy Pontoise, 2005. Français. ⟨tel-00011453⟩

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