Development of an advanced electrotactile speech processor [Abstract]
AuthorCowan, Robert S. C.; Blamey, Peter J.; Glavin, K. L.; Sarant, J. Z.; Millard, R.; Clark, Graeme M.
Source TitleProceedings of the 2nd International Conference on Tactile Aids, Hearing Aids, & Cochlear Implants
University of Melbourne Author/sClark, Graeme; Cowan, Robert; Blamey, Peter; Galvin, Karyn; Sarant, Julia; Millard, Rodney
Document TypeConference Item
CitationsCowan, R. S. C., Blamey, P. J., Glavin, K. L., Sarant, J. Z., Millard, R., & Clark, G. M. (1992). Development of an advanced electrotactile speech processor [Abstract]. In Proceedings of the 2nd International Conference on Tactile Aids, Hearing Aids, & Cochlear Implants, Stockholm.
Access StatusOpen Access
Initial studies with a multiple channel electrotactile speech processor ('Tickle Talker') showed that profoundly hearing-impaired adults and children could achieve significant improvements on speech perception tests through use of tactual-encoded estimates of fundamental frequency, second formant frequency and amplitude envelope. Results showed that the device provided tactual cues which could be used to discriminate speech features such as vowel length and place, and consonant manner and voicing. However, discrimination of initial consonant voicing was not as consistent as for other features. Accurate discrimination of consonant voicing and manner (particularly high frequency information) is critical, since this Information is generally inaudible through hearing aids, and difficult to lipread.
Keywordsotology; cochlear implant; speech processor; Tickle Talker; profound deafness; speech perception
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- Graeme Clark Collection