抄録
Synesthesia is a hereditary condition in which a triggering stimulus evokes the automatic, involuntary, affect-laden, and conscious perception of physical or conceptual property that differs from that of the trigger. Synesthetes, who have synesthesia, can perceive more information than non-synesthetes. Imitating the mechanism of synesthesia, we are aiming to develop a system to integrate auditory and visual information. Such a system might be possible to provide richer world view to non-synesthetes. Moreover, it could enhance quality of life especially in hearing impaired. The system also could contribute to many fields including arts, learning, etc. At present, we are building a prototype system that allows users to perceive multiple sounds not only as auditory information but also as visual information like what synesthetes do. In the system, sound localization function, which is realized by the microphone array that consist of 4 microphones and purely based on Time Difference of Arrival, plays a great role. This paper describes the function and its accuracy.
