Questions & Answers

HW #3 – p. 1

EE 502 - HOMEWORK #3 – STUDY QUESTIONS

COOK & POLGAR TEXTBOOK CHAPTER 9 QUESTIONS 9.3 Discuss the major differences between blindness and deafness in terms of the effect on the

individual’s social, work or school, and private lives. 9.4 What are the major parts of a hearing aid, and what is the function of each? 9.5 What are the four main types of hearing aids and describe the most important advantage of each. 9.8 List the major functions that a cochlear implant must accomplish. 9.13 What is the relationship between the number of electrodes and the functional performance for a

cochlear implant? 9.14 What are the major differences between a channel and an electrode in cochlear implants? 9.15 Describe the major approaches to signal processing used in cochlear implants. What are the

advantages and disadvantages of each. 9.18 Compare a stand-alone TTY with a computer TTY modem using Baudot coding. What advantages

does each offer to a deaf user? 9.23 What are alerting devices and what are they used for? 9.25 What are the three major assistive technological (AT) approaches used for deaf-blind individuals to

obtain communication input? What are the relative advantages of each approach?