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The aim of this research is to develop an auditory guide system using stereophonic techniques and a pair of sounds from ultrasound. In this paper, we tried to improve the accuracy of perceptual directions with the aid of trajectories of sound sources. Through subject experiments, we compared the accuracies of the perceptual directions for static and moving sound sources. As results, the accuracy of...
There are a lot of impaired vision people and they are planning physical access by information of positional relationships of auditory cues or by oneself. In this paper, we propose auditory lateralization guide independent of loudspeaker position by using super-directional speaker system for pinpoint presentation and suppressing spread sounds because the individual who do not offer the support would...
In this paper, we evaluated the characteristics of the bone-conducted sound propagation in the human head through computer simulation using a reduced head model with finite element method. The model was made of three spheres, which represent the skin, skull and brain, and the brain was represented by the water for simplicity. The step response of the head was investigated to show that the sound propagation...
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