The development of the Melbourne/Cochlear multiple-channel cochlear implant for profoundly deaf children

This is a publisher’s version of an article published in The Australian Journal of Otolaryngology 1992. This version is reproduced with permission from Australian Society of Otolaryngology Head and Neck Surgery.Journal also known as: Australian Journal of Oto-laryngologyIn 1978-79, a speech processing strategy which extracted the voicing (FO) and second formant (F2) frequencies and presented these as rate and place of stimulation respectively to residual auditory nerve fibres was developed for the University of Melbourne's prototype multiple-channel receiver-stimulator (Clark et aI1977, Clark et a11978, Tong et aI1980). This speech processing strategy was shown to provide post linguistically deaf adults with some open-set speech comprehension using electrical stimulation alone, and considerable help when used in combination with lipreading (Clark et al 1981)