Impact of the Visual Rendering System on Subjective Auralization Assessment in VR (original) (raw)

2017

Abstract

Virtual Reality (VR) reconstructions of architectural acoustics situations are used in the context of design and renovation projects for acoustically sensitive spaces and historical studies. In such studies, it is important to understand the impact of the visual rendering on auditory perceptions of the spaces concerned. For such a study, a virtual scenario was created, comprising the rendering of a theatrical performance, staged in a 3D visual model of an actual theater. The theater’s acoustics were numerically simulated using a geometrical acoustics model which was calibrated to in-situ measurements. The virtual scene was rendered on both a CAVE-light system and a Head Mounted Display (HMD) for various seating positions. Auralization, the audio rendering of the architectural acoustic simulation, was achieved using dynamic binaural processing of Ambisonic streams over headphones. Positionally matched and mismatched audio-visual configurations were presented in order to study the imp...

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