Acoustic Feedback and Other Audible Artifacts in Hearing Aids

Trends in Amplification

Volumn 1, Issue 2, 1996, Pages 45-82

  Agnew, Jeremy ^a  

^a Starkey Laboratories Inc   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 0011929167     PISSN: 10847138     EISSN: 19405588     Source Type: Journal    
DOI: 10.1177/108471389600100202     Document Type: Article

References (100)

1. Agnew J. (1985). In-office analysis of malfunctioning ITE hearing aids. Hear Instr 36 (10): 20,22,24,26, 28,76.
2. Agnew J. (1986a). Stability of ear impression materials. Hear J 39 (6): 29–33.
3. Agnew J. (1986b). Ear impression stability. Hear Instr 37 (12): 8,11–12,58.
4. Agnew J. (1991). Advanced digital signal processing schemes for ITEs. Hear Instr 42 (9): 13–14, 16–17.
5. Agnew J. (1992). Advances in programmable canal hearing instrument technology. Hear Instr 43 (1): 18–20.
6. Agnew J. (1993). Application of a notch filter to reduce acoustic feedback. Hear J 46 (3): 37–40, 42–43.
7. Arcos JT Core MT Harrison JG. (1995). Hearing Aid Incorporating a Novelty Filter US Patent 5,396,560.
8. Bennett MJ Srikandan S Browne LMH. (1980). A controlled feedback hearing aid. Hear Aid J 33 (7): 12–42.
9. Berkowitz AO. (1987). The dual-receiver concept: benefits and applications. Hear J 40 (7): 19–22.
10. Bisgaard N. (1993). Digital feedback suppression - clinical experiences with profoundly hearing. In: Beilin J Jensen GR. (eds. Recent Developments in Hearing Instrument Technology. 15th Danavox Symposium, Kolding, Denmark, 371–384.
11. Bisgaard N Dyrlund O. (1991a). Acoustic feedback part 1: traditional feedback suppression methods. Hear Instr 42 (9): 24–26.
12. Bisgaard N Dyrlund O. (1991b). Acoustic feedback part 2: a digital system for suppression of feedback. Hear Instr 42 (10): 44–45.
13. Bisgaard N Dyrlund O. (1991c). Acoustic feedback part 3: clinical testing of a DFS prototype. Hear Instr 42 (12): 17–18.
14. Boner CP Boner CR. (1965). A procedure for controlling room-ring modes and feedback modes in sound systems with narow-band filters. J Audio Eng Soc 13 (4): 297–300.
15. Bordewijk LG. (1991). Anti-Howling Hearing Aid US Patent 5,003,606.
16. Castleton L. (1983). NAEL: fitting facts: part IV: feedback—not the problem, the solution. Hear Instr 34 (12): 24–26.
17. Chen C. (1978). Automatically Tunable Notch Filter and Method for Suppression of Acoustical Feedback US Patent 4,091,236.
18. Conger C. (1990). Understanding digital technology in hearing instruments. Hear Instr 41 (3): 21–22.
19. Courtois J Berland O. (1972). Ipsi-lateral no-mold fitting of hearing aids. Scand Audiol 1 (4): 177–195.
20. Cox RM. (1982). Combined effects of earmold vents and suboscillatory feedback on hearing aid frequency response. Ear Hear 3:12–17.
21. Dillon H. (1985). Earmolds and high frequency response modification. Hear Instr 36 (12): 8–12.
22. Dyrlund O Henningsen LB Bisgaard N Jensen JH. (1994). Digital feedback suppression (DFS): characterization of feedback-margin improvements in a DFS hearing instrument. Scand Audiol 23:135–138.
23. Egolf DP. (1982). Review of the acoustic feedback literature from a control systems point of view. In: Studebaker GA Bess FH. (eds). The Vanderbilt Hearing Aid Report. Monographs in Contemporary Audiology, Upper Darby, PA, 94–103.
24. Egolf DP Howell HC Weaver KA Barker DS. (1985). The hearing aid feedback path: mathematical simulations and experimental verification. J Acous Soc Am 78:1578–1587.
25. Engebretson AM. (1993). Design criteria for new technologies. J Speech-Lang Path Audiol: Monogr Suppl, Jan 1993: 74–86.
26. Engebretson AM French-St. George M. (1993). Properties of an adaptive feedback equalization algorithm. J Rehab Res Dev 30 (1): 8–16.
27. Engebretson AM O'Connell MP Zheng B. (1991). Electronic Filters, Hearing Aids and Methods US Patent 5,016,280.
28. Flack L White R Tweed J Gregory DW Qureshi MY. (1995). An investigation into sound attenuation by earmould tubing. Br I Audiol 29:237–245.
29. French George M Wood DJ Engebretson AM. (1993). Behavioral assessment of adaptive feedback equalization in a digital hearing aid. J Rehab Res Dev 30 (1): 17–25.
30. Gatehouse S. (1989). Limitations on insertion gains with vented earmoulds imposed by oscillatory feedback. Br J Audiol 23:133–136.
31. Goodings RLA Senensieb GA Wilson PH Hansen RS. (1993). Hearing Aid Having Compensation for Acoustic Feedback US Patent 5,259,033.
32. Graupe D Grosspietsch J Basseas SP. (1988). Method of and Means for Adaptively Filtering Screeching Noise Caused by Acoustic Feedback US Patent 4,783,818.
33. Grimes AM Mueller HG. (1991). Using probe-microphone measures to assess telecoils and ALDs. Hear J 44 (7): 21–24, 29.
34. Grover BC Martin MC. (1974). On the practical limit for postaural hearing aids. Br I Audiol 8:121–124.
35. Hahn SB Thorpe L Fitch A. (1993). Digital cordless telephones and hearing aids: compatibility issues. Vibrations Spring: 14–18.
36. Henningsen LB Dyrlund O Bisgaard N Brink B. (1994). Digital feedback suppression (DFS): clinical experiences when fitting a DFS hearing instrument on children. Scand Audiol 23:117–122.
37. IRPI. (1987). Vibration paths in ITE hearing aids Report Number 10707–1.
38. Industrial Research Products, Inc., Elk Grove Village, IL.
39. Joyner KH Wood M Burwood E Allison D Le Strange R. (1993). Interference to hearing aids by the new digital mobile telephone system, Global System for Mobile (GSM) communication standard National Acoustic Laboratories, Sydney, Australia.
40. Kates JM. (1988). Acoustic effects in in-the-ear hearing aid response: results from a computer simulation. Ear Hear 9:119–132.
41. Killion MC. (1975). Vibration sensitivity measurements on subminiature condenser microphones. J Audio Eng Soc 23 (3): 123–127.
42. Killion MC. (1993). Transducers and acoustic couplings. Acoustical Factors Affecting Hearing Aid Performance Second Edition. Allyn and Bacon, Boston. MA, 31–50.
43. Killion MC. (1996). Informal Report on Hearing Aid Interference: US-TDMA, GSM, and CDMA Videotape. Etymotic Research Inc., Elk Grove Village, IL.
44. Killion MC Wilber LA Gudmundsen GI. (1988). Zwislocki was right. Hear Instr 39 (1): 14–18.
45. Knowles. (1989a). EJ Receiver data sheet. Data Sheet No. S-545–0989. Knowles Electronics Inc., Itasca, IL.
46. Knowles. (1989b). The Effect of Acoustic Damping Plugs on Receiver Response. Technical Bulletin No. TB14. Knowles Electronics Inc., Itasca, IL.
47. Krokstad A Svean J Ramstad TA. (1994). Programmable Hybrid Hearing Aid with Digital Signal Processing US Patent 5,276,739.
48. Kryter KD. (1975). Method of and Apparatus for Aided Hearing and the Like US Patent 3,894,195.
49. Kuk FK. (1994). Maximum usable real-ear insertion gain with ten earmold designs. J Am Acad Audiol 5:44–51.
50. Langford Smith F. (1960). Fidelity and Distortion. In: Langford-Smith F (ed). Radiotron Designer's Handbook Fourth Edition. Radio Corporation of America, Harrison, NJ, 603–634.
51. Leenen JRGM. (1995). In the Ear Hearing Aid Having Extraction Tube which Reduces Acoustic Feedback US Patent 5,395,168.
52. Letowski TR Richards WD Burchfield SB. (1992). Transmission of sound, vibration through earmold materials. Hear Instr 43 (12): 11–15.
53. Levitt H. (1993). Digital Hearing Aids. In: Studebaker GA Hochberg I. (eds). Acoustical Factors Affecting Hearing Aid Performance Second Edition. Allyn and Bacon, Boston, MA, 317–335.
54. Levitt H Dugot RS Kopper KW. (1988). Programmable Digital Hearing Aid System US Patent 4,731,850.
55. Levitt H Dugot RS Kopper KW. (1989). Host Controller for Programmable Digital Hearing Aid System US Patent 4,879,749.
56. Libby ER Johnson JH Longwell TF. (undated). Innovative earmold coupling systems: rationale, design, clinical applications. Zenetron Monograph No. 4. Zenetron Inc., Chicago, IL.
57. Lichowsky A. (1973). Acoustic Feedback Stabilization System Particularly Suited for Hearing Aids US Patent 3,763,333.
58. Lybarger SF. (1982). Acoustic feedback control. In: Studebaker GA, Bess FH (eds). The Vanderbilt Hearing Aid Report Monographs in Contemporary Audiology, Upper Darby, PA, 87–90.
59. Macrae J. (1982a). Acoustic notch filters for hearing aids. Austral J Audiol 4 (2): 71–76.
60. Macrae J. (1982b). Venting without feedback—further development of the high-cut cavity vent. Hear Instr 33 (4): 12,15,42.
61. Macrae J. (1983). Vents for high-powered hearing aids. Hear J 36 (1): 13–16.
62. Microsonic. (1995). Custom Earmold Manual Microsonic Inc., Ambridge, PA.
63. Morgan R. (1994). The art of making a good impression. Hear Rev 1 (3): 10,13,24.
64. Mullin TA Barr DF. (1980). Earmold modification for controlling feedback in power ear-level aids. Hear Aid J 33 (6): 12–42.
65. Mynders JM. (1980). Earmold style selector. Hear Aid J 33 (6): 8–9, 50–53.
66. Mynders JM. (1982). Counseling your client on feedback. Hear Aid J 35 (8): 14.
67. Nishinomiya G. (1968). Improvement of acoustic feedback stability of public address system by warbling. Procceedings of the Sixth International Congress of Acoustics, 3:93–96.
68. Nolan M. (1983). Acoustic feedback - causes and cures. J Brit Assoc Teach Deaf 17:13–17.
69. Nyquist H. (1932). Regeneration theory. Bell Sys Tech J 11:126–147.
70. Orton J. (1980a). Practical aspects of fitting in-the-ear aids part II: dispenser modifications. Hear Instr 31 (5): 20–23.
71. Orton J. (1980b). Practical aspects of fitting in-the-ear aids part III: dispenser modifications. Hear Instr 31 (7): 20–23.
72. Orton J. (1981). Earmold modifications for in-the-ear hearing aids. Hear Aid J 34 (5): 6–7, 30, 32–33.
73. Orton J. (1986). ITCs in the 80s: part 1: new advancements in ITC design. Hear Instr 37 (4): 26,28,30.
74. Patronis ET. (1978). Electronic detection of acoustic feedback and automatic sound system gain control. J Audio Eng Soc 26 (5): 323–325.
75. Powers TA Sacca D. (1983). Circuit modification for feedback reduction in ITE instruments. Hear Instr 34 (4): 40.
76. Preves DA. (1985). Evaluation of Phase Compensation for Enhancing the Signal Processing Capabilities of Hearing Aids in Situ Doctoral Dissertation. University of Minnesota, Minneapolis.
77. Preves DA Newton JR. (1989). The headroom problem and hearing aid performance. Hear J 42 (10): 19–21, 24–26.
78. Preves DA Sigelman JA LeMay PR. (1986). A feedback stabilizing circuit for hearing aids. Hear Instr 37 (4): 34,36–41,51.
79. Revit LJ. (1992). Two techniques for dealing with the occlusion effect. Hear Instr 43 (12): 16–18.
80. Ridenhour MW. (1988a). A method of enhancing clarity in sound processed through a hearing instrument. Hear Instr 39 (8): 31–52.
81. Ridenhour MW. (1988b). The effects of shell material on hearing instrument performance. Hear Instr 39 (9): 58–60.
82. Riess RL Guthier JD. (1986). In-the-ear modification cookbook. Hear Instr 37 (4): 18–22, 24–54.
83. Sammeth CA. (1990). Current availability of digital and hybrid hearing aids. Sem Hear 11 (1): 91–99.
84. Sandlin RE. (ed (1994). Understanding Digitally Programmable Hearing Aids Allyn and Bacon, Boston, MA.
85. Schroeder MR. (1962). Improvement of feedback stability of public address systems by frequency shifting. J Audio Eng Soc 10 (2): 108–109.
86. Schroeder MR. (1964). Improvement of acoustic-feedback stability by frequency shifting. J Acoust Soc Am 36:1718–1724.
87. Shaw EAG. (1980). The acoustics of the external ear. In: Studebaker GA, Hochberg I (eds). Acoustical Factors Affecting Hearing Aid Performance University Park Press, Baltimore, MD, 109–125.
88. Skinner MW. (1988). Hearing Aid Evaluation Prentice Hall, Englewood Cliffs, NJ., 272.
89. Smriga DJ. (1991). Exploring the versatility of three-channel programmability. Hear Instr 42 (6): 14, 16–17.
90. Smriga DJ. (1993). Digital signal processing to reduce feedback: technology and test results. Hear J 46 (5): 28–33.
91. Staab WJ. (1985). Digital hearing aids. Hear Instrum 36 (11): 14,16–20, 22–24.
92. Staab WJ. (1990). Digital/programmable hearing aids—an eye towards the future. Brit J Audiol 24:243–256.
93. Tecca JE. (1991). Real ear vent effects in ITE hearing instrument fittings. Hear Instr 42 (12): 10–12.
94. Teder H. (1992). Reduction of high-frequency gain can help solve feedback problems. Hear J 45 (3): 28–30.
95. Valente M Valente M Potts LG Lybarger EH. (1996). Options: Earhooks, Tubing, and Earmolds. In: Valente M (ed). Hearing Aids: Standards, Options, and Limitations Thieme Medical Publishers, Inc, New York, NY, 252–326.
96. Voll LM Lyons P. (1995). Frequency and effectiveness of in-office modifications with CIC fittings. Hear Rev 2 (7): 38–40, 50.
97. Ward GL. (1989). Method and Apparatus for Reducing Acoustical Distortion US Patent No. 4,811,402.
98. Waterhouse RV. (1965). Theory of howlback in reverberant rooms. J Acoust Soc Am 37:921–923.
99. Weinrich S. (1991). Hearing Aid, Especially of the In-the-ear Type US Patent 5,033,090.
100. Williams DE Gutnick HN. (1990). Hearing instrument performance using earmolds with/without a shell additive. Hear Instr 41 (12): 8,10,44.