Electric hearing

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  • In the event that the hearing aid provides inadequate rehabilitation, cochlear implants may be appropriate. Criteria for implantation include severe to profound hearing loss with word recognition score ≤30% under best aided conditions. Worldwide, 20,000 deaf individuals (including 4000 children) have received cochlear implants. Cochlear implants are neural prostheses that convert sound energy to electrical energy and can be used to stimulate the auditory division of the eighth nerve directly.

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  • Tham khảo sách 'auditory prostheses', y tế - sức khoẻ, y học thường thức phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả

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  • EURASIP Journal on Applied Signal Processing 2003:12, 1250–1256 c 2003 Hindawi Publishing Corporation Performance Estimation for Lowpass Ternary Filters Brenton Steele Dynamic Hearing Pty, Ltd., 2 Chapel Street, Richmond 3121, Victoria, Australia Email: bsteele@dynamichearing.com.au Peter O’Shea School of Electrical and Electronic Systems Engineering, Queensland University of Technology, GPO Box 2434, Brisbane 4001, Australia Email: pj.oshea@qut.edu.au Received 16 December 2002 and in revised form 25 June 2003 Ternary filters have tap values limited to −1, 0, or +1.

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