Sound Field Simulation and Sound Field Rendering

Abstract

Sound field simulation is widely used because of the progress in computer environments and the spread of simple and easy simulation algorithms such as the finite-difference time domain (FDTD) method. In this paper, the theoretical basis of the FDTD method for sound field analysis is first described, then the implementation of the FDTD algorithm on a graphics processing unit is described. For the application of sound field simulation to auralization, sound field rendering is described. Sound field rendering is a technique for auralization from three-dimensional numerical models constructed by a computer, with a similar concept to the graphics rendering technique. An example of sound field rendering in collaboration with a head-mounted display is described.