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Architectural auralizations : towards the integration of virtual acoustic design in architecture

Abstract : This thesis investigated the use of auralization in the design phase of architectural projects. While this technology, which consists of rendering audible numerical acoustical simulations, has been extensively used in research, from cognitive to human-computer interfaces to archeology to concert halls acoustics evaluation studies, only limited data existed on its use by acoustical consultants for acoustical design. The question was to evaluate if auralizations can improve the processes of acoustical design for the conception of architectural spaces. Based on the practical acceptability theory, the use of auralizations has been studied through questionnaire and interviews of acoustical consultants, as well as the observation of a practical case study project, conducted in collaboration with Theatre Projects Consultants. These enabled the identification of the main uses of auralizations, as well as the difficulties encountered that impede the adoption of the technology. One of the requirements for its adoption is the accuracy and reliability of both the results and the tools themselves. Therefore, the stability of auditory perception was assessed in perceptive studies along a set of subjective attributes, with auralizations rendered over different interfaces, including sound reproduction methods and VR visual interfaces. The two sound reproduction methods compared were head-tracked Binaural and Ambisonic while the VR visual devices compared were a HMD and a CAVE-light system. A relative stability of auditaptory perception was observed, while the perceived Envelopment and Apparent Source Width were slightly impacted by the rendering system in both cases. Efforts in the adaptability of auralization tools for use in architectural design and knowledge transfer from research to industry are still needed for a better integration of auralizations in architects and acousticians workflow.
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Submitted on : Tuesday, October 13, 2020 - 5:22:34 PM
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David Thery. Architectural auralizations : towards the integration of virtual acoustic design in architecture. Computer science. Université Paris-Saclay, 2020. English. ⟨NNT : 2020UPASS016⟩. ⟨tel-02966070⟩

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