| Preface |
|
ix | |
| Contributors |
|
x | |
|
1 Introduction: On the Treatment of Hearing Loss |
|
|
1 | (5) |
|
|
|
1.1 Best Practice in the Treatment of Hearing Loss |
|
|
3 | (3) |
|
2 Fundamentals of Hearing Aid Acoustics and Hardware |
|
|
6 | (18) |
|
|
|
2.1 The Advancement of Hearing Aid Technology |
|
|
6 | (1) |
|
|
|
6 | (3) |
|
2.3 Hearing Aid Components |
|
|
9 | (15) |
|
3 Standards for Assessing Hearing Aid Performance |
|
|
24 | (16) |
|
|
|
3.1 The Need for Standards and the Standards Development Process |
|
|
24 | (1) |
|
3.2 Regulatory Applications of Standards |
|
|
25 | (1) |
|
3.3 ANSI and IEC Standards |
|
|
25 | (6) |
|
3.4 Test Equipment for Assessing Electroacoustic Hearing Aid Performance |
|
|
31 | (1) |
|
3.5 Coupler Configurations Used for Testing Hearing Aids and Transducers |
|
|
32 | (4) |
|
3.6 Predicting Hearing Aid Sound Quality with Electroacoustic Measures |
|
|
36 | (2) |
|
|
|
38 | (2) |
|
4 Hearing Aid Coupling: Theory and Application |
|
|
40 | (39) |
|
|
|
|
|
|
|
40 | (1) |
|
4.2 Connecting the Hearing Aid to the Ear |
|
|
40 | (18) |
|
4.3 The Hearing Aid Transmission Line |
|
|
58 | (14) |
|
|
|
72 | (1) |
|
|
|
73 | (6) |
|
5 Hearing Aid Coupling: Techniques and Technologies |
|
|
79 | (15) |
|
|
|
|
|
|
|
79 | (1) |
|
5.2 Preparation and Initial Inspection of the Ear |
|
|
79 | (1) |
|
|
|
80 | (1) |
|
|
|
80 | (1) |
|
|
|
81 | (1) |
|
|
|
81 | (1) |
|
|
|
81 | (1) |
|
|
|
82 | (1) |
|
|
|
83 | (1) |
|
5.10 Anticoagulant and Antiplatelet Medication |
|
|
83 | (1) |
|
|
|
83 | (1) |
|
|
|
83 | (1) |
|
5.13 Skill Development: Taking the Ear Impression |
|
|
84 | (1) |
|
|
|
85 | (1) |
|
5.15 Inserting the Impression Material |
|
|
86 | (1) |
|
|
|
86 | (1) |
|
5.17 Removal of the Impression |
|
|
87 | (1) |
|
5.18 Taking the Impression, Step by Step |
|
|
87 | (3) |
|
|
|
90 | (1) |
|
5.20 Fabrication of the Custom Shell or Earmold |
|
|
90 | (1) |
|
|
|
91 | (1) |
|
5.22 Conclusion and Summary |
|
|
92 | (1) |
|
|
|
92 | (2) |
|
6 Audio Signal Processing for Hearing Aids |
|
|
94 | (20) |
|
|
|
|
|
94 | (18) |
|
6.2 Future Directions in Hearing Aid Signal Processing |
|
|
112 | (2) |
|
7 Fundamentals of Real-Ear Measurement |
|
|
114 | (38) |
|
|
|
|
|
|
|
114 | (5) |
|
7.2 Methodology for Real-Ear Measurements |
|
|
119 | (8) |
|
7.3 Real-Ear Measurement Terminology and Measurement Types |
|
|
127 | (11) |
|
7.4 Assessment of Hearing Aid Signal Processing Features and Form Factors |
|
|
138 | (11) |
|
|
|
149 | (1) |
|
|
|
150 | (2) |
|
8 Real-Ear Measurement Techniques |
|
|
152 | (20) |
|
|
|
8.1 Interpretation of Real-Ear Measurements When Fitting to Hearing Aid Prescriptions |
|
|
152 | (1) |
|
8.2 Hearing Aid Prescriptions |
|
|
152 | (3) |
|
8.3 Limitations of Insertion Gain Measures |
|
|
155 | (1) |
|
8.4 The Measurement of Aided Output |
|
|
156 | (1) |
|
8.5 Not All Speech Signals Are Alike |
|
|
157 | (1) |
|
8.6 Real-Ear-Aided Response Targets |
|
|
158 | (2) |
|
8.7 General Fitting Protocols Associated with `Speechmap' Verification |
|
|
160 | (5) |
|
8.8 Hearing Aid Function Testing |
|
|
165 | (3) |
|
|
|
168 | (1) |
|
8.10 Telecoil Measurement |
|
|
169 | (1) |
|
|
|
170 | (2) |
|
9 Hearing Aid Prescriptive Fitting Methods |
|
|
172 | (20) |
|
|
|
|
|
172 | (1) |
|
9.2 Ways Prescriptions Vary |
|
|
173 | (3) |
|
|
|
176 | (4) |
|
|
|
180 | (2) |
|
|
|
182 | (3) |
|
9.6 The Methods of Prescriptive Fitting |
|
|
185 | (4) |
|
|
|
189 | (3) |
|
10 Outcome Measures in the Prescription of Hearing Aids for Adults |
|
|
192 | (29) |
|
|
|
|
|
192 | (1) |
|
10.2 Rationale for Hearing Aid Outcomes Assessment |
|
|
192 | (1) |
|
10.3 A Conceptual Framework for Hearing Aid Intervention |
|
|
193 | (17) |
|
10.4 The Economics of Outcomes |
|
|
210 | (4) |
|
10.5 Counseling Patients on the Outcomes of Care |
|
|
214 | (2) |
|
10.6 Outcomes and Evidence-Based Practice |
|
|
216 | (1) |
|
|
|
217 | (1) |
|
|
|
218 | (3) |
|
11 Hearing Aid Selection and Prescription for Children |
|
|
221 | (22) |
|
|
|
|
|
221 | (1) |
|
11.2 Hearing Aid Candidacy for Children |
|
|
221 | (3) |
|
11.3 Diagnostic Assessment for Hearing Aid |
|
|
224 | (1) |
|
11.4 Special Cases of Hearing Aid Candidacy |
|
|
225 | (2) |
|
11.5 Prescription of Amplification for Children |
|
|
227 | (2) |
|
11.6 Essential Hearing Aid Features |
|
|
229 | (4) |
|
11.7 Selection of Advanced Hearing Aid Features |
|
|
233 | (7) |
|
|
|
240 | (1) |
|
|
|
240 | (3) |
|
12 Cochlear Implants in Adults |
|
|
243 | (24) |
|
|
|
|
|
243 | (1) |
|
12.2 Cochlear Implant Design |
|
|
244 | (4) |
|
|
|
248 | (6) |
|
|
|
254 | (5) |
|
12.5 Cochlear Implant Outcomes |
|
|
259 | (3) |
|
12.6 Device Failure and Postoperative Complications |
|
|
262 | (1) |
|
|
|
262 | (1) |
|
|
|
263 | (4) |
|
13 Cochlear Implants in Children |
|
|
267 | (22) |
|
|
|
|
|
267 | (1) |
|
13.2 History of Cochlear Implants in Children |
|
|
267 | (1) |
|
13.3 Cultural Issues of Cochlear Implantation |
|
|
268 | (1) |
|
13.4 Candidacy Considerations |
|
|
268 | (5) |
|
13.5 Medical and Surgical Considerations |
|
|
273 | (5) |
|
13.6 Complications and Failures |
|
|
278 | (1) |
|
13.7 Cochlear Implant Design |
|
|
279 | (1) |
|
13.8 Programming Pediatric Cochlear Implants |
|
|
279 | (1) |
|
13.9 Performance/Expected Outcomes |
|
|
280 | (3) |
|
|
|
283 | (1) |
|
13.11 Quality of Life and Cost-Effectiveness |
|
|
284 | (1) |
|
13.12 Conclusions and Future Directions |
|
|
284 | (5) |
|
14 Bone Conduction Hearing Solutions |
|
|
289 | (9) |
|
|
|
|
|
289 | (1) |
|
|
|
289 | (1) |
|
14.3 Increases in Bone-Conduction Hearing Solutions |
|
|
290 | (1) |
|
14.4 Explosion of Technologies |
|
|
290 | (1) |
|
14.5 Bone-Conduction Candidacy |
|
|
291 | (1) |
|
14.6 Bone-Conduction Approaches |
|
|
291 | (2) |
|
14.7 Output Considerations |
|
|
293 | (1) |
|
14.8 Other Considerations |
|
|
293 | (1) |
|
14.9 Understanding your Own Environment |
|
|
293 | (1) |
|
14.10 Outcome Measures in Bone Conduction |
|
|
294 | (1) |
|
|
|
294 | (1) |
|
|
|
295 | (3) |
|
15 Hearing Assistive and Related Technology |
|
|
298 | (18) |
|
|
|
|
|
298 | (1) |
|
15.2 Establishing the Need for Hearing Assistive and Related Technology |
|
|
298 | (1) |
|
15.3 Target Populations and Groups Who May Benefit from Hearing Assistive and Related Technology |
|
|
299 | (2) |
|
15.4 Assistive Listening Devices |
|
|
301 | (6) |
|
15.5 Telecommunication Technology |
|
|
307 | (2) |
|
15.6 Speech-to-Text Technology |
|
|
309 | (1) |
|
|
|
310 | (1) |
|
15.8 Devices for Health Professionals |
|
|
310 | (1) |
|
|
|
311 | (1) |
|
15.10 Incorporating Hearing Assistive and Related Technology into Clinical Practice |
|
|
312 | (1) |
|
|
|
313 | (3) |
|
16 Hearing Protection Devices |
|
|
316 | (12) |
|
|
|
|
|
316 | (1) |
|
16.2 Types of Hearing Protection Devices, Attenuation Characteristics |
|
|
317 | (1) |
|
16.3 Attenuation Characteristics |
|
|
318 | (2) |
|
16.4 Limitations of Standard HPDs |
|
|
320 | (2) |
|
|
|
322 | (1) |
|
16.6 Passive Acoustically Tuned HPDs |
|
|
323 | (1) |
|
16.7 Active Electronic HPDs |
|
|
324 | (1) |
|
16.8 Active HPD for Communication-Critical Applications |
|
|
324 | (1) |
|
16.9 Hearables: An Old, and New, Use for Ears |
|
|
325 | (1) |
|
16.10 Assessment Techniques |
|
|
325 | (1) |
|
16.11 Real-Ear Attenuation at Threshold Method |
|
|
325 | (1) |
|
16.12 Microphone in Real-Ear Method |
|
|
326 | (1) |
|
16.13 Acoustical Test Fixture Method |
|
|
326 | (1) |
|
|
|
326 | (2) |
|
17 Tinnitus and Sound Sensitivity |
|
|
328 | (34) |
|
|
|
|
|
328 | (1) |
|
|
|
329 | (1) |
|
17.3 Neuroscience of Tinnitus (Limited to Neurophysiological Tinnitus) |
|
|
330 | (17) |
|
17.4 Lifestyle Management of Tinnitus |
|
|
347 | (8) |
|
|
|
355 | (7) |
| Index |
|
362 | |