Abstract
This paper describes which auditory information affects the accuracy of “perception of crossability” for blind people. We have created a “virtual 3D acoustic environment” in which subjects feel a car passing in front of them to help them cross a road safely. The system is theoretically based on acoustic “time-to-contact” information, which is the most important concept in Ecological Psychology. Experimental results suggest that blind people tend to estimate the acoustic “time-to-contact” significantly longer than did sighted people. However, there are no significant differences between their sensitivities toward the speed of a moving sound source and the gain level of indirect sounds.
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Shiose, T., Ito, K., Mamada, K. (2006). Identification of Acoustic Factors for Perception of Crossability Common to Blind and Sighted Pedestrians. In: Miesenberger, K., Klaus, J., Zagler, W.L., Karshmer, A.I. (eds) Computers Helping People with Special Needs. ICCHP 2006. Lecture Notes in Computer Science, vol 4061. Springer, Berlin, Heidelberg. https://doi.org/10.1007/11788713_183
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DOI: https://doi.org/10.1007/11788713_183
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