Presentation 1995/9/14
A study on uses of tactile stimulation for hearing substitutes
Chikamune Wada, Tohru Ifukube, Shuichi Ino,
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Abstract(in English) We have been studying how to stimulate a fingertip in order to improve our tactile vocoder for deaf people. We have proposed a sweeping display method by which vibratory patterns move on the fingertip surface like an electric news tape. However, the subjects complained that the stimuli by using sweeping display method were uncomfortable. It was ascertained that one of the reasons was complexity due to the mixture of the sweeping vibration patterns and the vibration itself. So, non-vibratory patterns like Braille was swept on the fingertip and we evaluated which is better for the tactile vocoder, vibratory swept pattern or non-vibratory swept pattern. From the experimental results of an absolute threshold and a two-point threshold, the difference between two stimulation methods was not found. It was, however, found that degree of tiredness was much less for non-vibratory stimulation than vibratory stimulation. It was concluded that the tactile vocoder which used non-vibratory swept patterns was more practical than vibratory swept patterns for a long use.
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Committee HCS
Conference Date 1995/9/14(1days)
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Registration To Human Communication Science (HCS)
Language JPN
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Title (in English) A study on uses of tactile stimulation for hearing substitutes
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1st Author's Name Chikamune Wada
1st Author's Affiliation Laboratory of Sensory Information Engineering, Research Institute for Electronic Science, Hokkaido University()
2nd Author's Name Tohru Ifukube
2nd Author's Affiliation Laboratory of Sensory Information Engineering, Research Institute for Electronic Science, Hokkaido University
3rd Author's Name Shuichi Ino
3rd Author's Affiliation Laboratory of Sensory Information Engineering, Research Institute for Electronic Science, Hokkaido University
Date 1995/9/14
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Volume (vol) vol.95
Number (no) 237
Page pp.pp.-
#Pages 6
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