Shigeyoshi Kitazawa Kazuyuki Muramoto Juichi Ito Acoustic simulation of auditory model based speech processor for cochlear implant system. 1994 ICSLP http://www.isca-speech.org/archive/icslp_1994/i94_2043.html conf/interspeech/1994 db/conf/interspeech/icslp1994.html#KitazawaMI94