Mixed Reality Visualization of Room Impulse Response Map using Room Geometry and Physical Model of Sound Propagation

In this paper, an MR visualization method based on sound field modeling is proposed. Using a small quantity of measurement data, the sound field was modeled using equivalent sources and room shapes acquired via SLAM. From the modeled sound field, the estimated room impulse responses at the target grid points were then animated to visualize the sound field using MR technology. Consequently, the animation of the sound field in MR clearly represented how sound propagates, including reflections.