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British Journal of Audiology Volume 23, 1989 - Issue 3
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Original Article

A comparison between coupler gain and insertion gain of hearing aids as used in partially hearing units in five schools in Belfast

W. E. Harris Audiology Department, Royal Belfast Hospital for Sick Children, Belfast, BT12 6BA, N Ireland
&
D. A. Adams Audiology Department, Royal Belfast Hospital for Sick Children, Belfast, BT12 6BA, N Ireland
Pages 255-260 | Received 05 Feb 1988, Accepted 28 Sep 1988, Published online: 12 Oct 2009

References

  • Dillon H., Murray N. Accuracy of twelve methods for estimating the real ear gain of hearing aids. Ear and Hearing 1987; 8: 2–11
  • Green R. The relative accuracy of coupler and behavioural estimates of the real ear gain of a hearing aid. British Journal of Audiology 1988; 22: 35–44
  • Harford E. R. A new clinical technique for verification of hearing aid response. Archives of Otolaryngology 1981; 107: 461–468
  • Hawkins D. B., Haskell G. B. A comparison of functional gain and 2 cm3coupler gain. Journals of Speech and Hearing Disorders 1982; 47: 71–76
  • Larson V. D., Studebaker G. A., Cox R. M. Sound levels in a 2 cc cavity, a Zwislocki coupler, and occluded ear canals. Journal of the American Auditory Society 1977; 3: 63–70
  • Lauridsen O., Birk Nielsen H. A new computerised method for hearing and fitting based on measurements at the ear drum. Scandinavian Audiology 1981; 10: 109–113
  • Martin M.C, Grover B. O., Worrall J. J., Williams V. The effectiveness of hearing aids in a school population. British Journal of Audiology 1976; 10: 33–40
  • Mason D., Popleka G. R. Comparison of hearing aid gain using functional, coupler and probe tube measurements. Journal of Speech and Hearing Research 1986; 29: 218–226
  • Nakanishi Y. The present state of hearing aid use in three schools for the hearing impaired in Britain. British Journal of Audiology 1981; 15: 107–111
  • Pedersen B., Lauridsen O., Birk Nielsen H. Clinical measurement of hearing aid insertion gain. Scandinavian Audiology 1982; 11: 181–186
  • Penney S. J., Goodwin J. C. Through the mould audiometry (TTM)—implications for an improved hearing aid fitting method. British Journal of Audiology 1984; 18: 97–105
  • Ringdahl A., Leijon A. The reliability of insertion gain measurements using probe microphones in the ear canal. Scandinavian Audiology 1984; 13: 173–178
  • Sachs R. M., Burkhard M. D. Making pressure measurements in insert earphone couplers and real ears. Journal of the Acoustical Society of America 1971; 51: 140(A).
  • Sachs R. M., Burkhard M. D. Earphone pressure responses in ears and couplers. Project 20021. Knowles Electronics, Inc., Franklin Park, IL 1972
  • Zemplenyi J., Dirks D., Gillman S. Probe determined hearing aid gain compared to functional and coupler gains. Journal of Speech and Hearing Research 1985; 28: 394–404

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