A novel approach to the simulation of 3D sound movement by combining wellknown physical and biophysical cues into a discrete synthesis system is introduced. Physical cues include both the dependence of intensity on di...A novel approach to the simulation of 3D sound movement by combining wellknown physical and biophysical cues into a discrete synthesis system is introduced. Physical cues include both the dependence of intensity on distance from the sound source and the Doppler effect. Biophysical features include the direction-dependent transfer functions imposed by a listener's head and ears and interaural time cues. Our technique requires very little disk storage since it relies on Iow-dimensional functional models that relate cue values to arbitrary locations in a virtual space. The system has been implemented on a modern workstation and can synthesize in quasi-real-time movements of arbitrary sound sources and trajectories that are delivered over earphones展开更多
文摘A novel approach to the simulation of 3D sound movement by combining wellknown physical and biophysical cues into a discrete synthesis system is introduced. Physical cues include both the dependence of intensity on distance from the sound source and the Doppler effect. Biophysical features include the direction-dependent transfer functions imposed by a listener's head and ears and interaural time cues. Our technique requires very little disk storage since it relies on Iow-dimensional functional models that relate cue values to arbitrary locations in a virtual space. The system has been implemented on a modern workstation and can synthesize in quasi-real-time movements of arbitrary sound sources and trajectories that are delivered over earphones
