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Communication Dans Un Congrès Année : 2013

Auralization of coupled spaces based on a diffusion equation model

Paul Luizard
J-D Polack
  • Fonction : Auteur

Résumé

Auralization of room acoustics consists in audio rendering based on the sound characteristics of a virtual space. It is defined by Vorländer [1] as "the creation of audible acoustic sceneries from computer-generated data", as the auditory equivalent of visualization techniques. Auralization is obtained by convolving a room impulse response with an anechoic recording, adding room presence to the reverberation-free excitation signal, providing subjective immersion in the considered space. Since acoustically coupled spaces are encountered in various venues such as large stairways distributing corridors or rooms, naves and side galleries in churches, even crossing streets in dense cities, it becomes interesting to produce accurate auralization in these types of venues. Such coupled room impulse responses can be synthesized using a recently proposed sound energy decay model based on a diffusion equation and adapted to coupled spaces. This paper presents the parametric model of sound energy decay and describes the impulse response synthesis process leading to auralization of coupled spaces.
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Dates et versions

hal-01789772 , version 1 (03-05-2019)

Identifiants

  • HAL Id : hal-01789772 , version 1

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Paul Luizard, J-D Polack, Brian F. G. Katz. Auralization of coupled spaces based on a diffusion equation model. Proc. Sound and Music Computing Conference (SMAC/SMC), 2013, Stockholm, Sweden. pp.616-621. ⟨hal-01789772⟩
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