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Urban Soundmarks Psychophysical Geodimensioning: Towards Ambient Pointers Geosystemic computation

Abstract : The presented research work within AMBIOFLUX project aims to model the ambient soundscape system onto an urban pedestrian pathway using GIS spatial dynamical mapping. Pathway's acoustic fingerprints are discreetly built through informational evaluation of spatial interaction between sound ambience (soundscape) and urban walker spatial trajectory (soundwalk). To do this, relevant “impressing” soundsources, “soundmarks”, are defined through their psychophysical emergence dimensions, implying energetical and perceptual event entropy interdimensional scaling. In order to built the corresponding psychophysical model, geocomputation of physical emergence indice will be implemented, the LEPN (Effective Perceived Noise Level), together with the informational emergence indice E (maximal entropy index). Obtained soundwalk pathway integrated results using GearScape (a customization of OrbisGIS) spatial formalism will therefore be presented. Geospatial knowledge modelling and representation techniques will be used for this task, leading to a methodology for semantic integration of the urban ambient soundscape model. This methodology will then be implemented through a case study in Strasbourg, with soundwalks made across the city. This is a first step for integrating psychophysical informations into a powerful geocomputational basis for pedestrian acoustic exploration of the city, in order to feed structured actions plans relative to E U cities sound mapping.
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Contributor : Thomas Leduc <>
Submitted on : Thursday, May 27, 2010 - 10:46:42 AM
Last modification on : Tuesday, September 21, 2021 - 4:16:03 PM
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  • HAL Id : hal-00486905, version 1


Philippe Woloszyn, Thomas Leduc, Pascal Joanne. Urban Soundmarks Psychophysical Geodimensioning: Towards Ambient Pointers Geosystemic computation. Euronoise 2009, Oct 2009, Edinburgh, United Kingdom. ⟨hal-00486905⟩



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