제어로봇시스템학회논문지 (Journal of Institute of Control, Robotics and Systems)

  • 제12권6호
  • /
  • Pages.530-538
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  • 2006
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  • 1976-5622(pISSN)
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  • 2233-4335(eISSN)
제어로봇시스템학회 (Institute of Control, Robotics and Systems)
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디지털 보청기 DSP Chip 파라미터 적합 최적화

Digital Hearing Aid DSP Chip Parameter Fitting Optimization

  • 발행 : 2006.06.01
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초록

DSP chip parameters of a digital hearing aid (HA) should be optimally selected or fitted for hearing impaired persons. The more precise parameter fitting guarantees the better compensation of the hearing loss (HL). Digital HAs adopt DSP chips for more precise fitting of various HL threshold curve patterns. A specific DSP chip such as Gennum GB3211 was designed and manufactured in order to match up to about 4.7 billion different possible HL cases with combination of 7 limited parameters. This paper deals with a digital HA fitting program which is developed for optimal fitting of GB3211 DSP chip parameters. The fitting program has completed features from audiogram input to DSP chip interface. The compensation effects of the microphone and the receiver are also included. The paper shows some application examples.

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참고문헌

  1. H. Dillon, Hearing Aids, Thieme, 2001
  2. http://www.gennum.com/hip/dproducts/paragonlgb3211.htm
  3. http://www.gennum.com/hip/dproducts/duet/gb3212.htm
  4. http://www.dspfactory.com/technology/signaklaratechnology.html
  5. C. Lee, Recent Digital Signal Processing, BooksHill Co., 2002
  6. Gennum Co., 'Biquad filters in PARAGON digital hybrid,' Doc. no. 20205-1, 2001
  7. B. Kollmeier and V. Hohmann, 'Loudness estimation and compensation employing a categorical scale,' in Advances in Hearing Research, G. A. Manley, G. M. Klump, C. Koppl, H. Fastl, and H. Oeckinghaus, Eds. Singapore: World Scientific, pp. 441-451,1995
  8. S. Launer and B. C. J. Moore, 'Use of a loudness model for hearing aid fitting. V. On-line gain control in a digital hearing aid,' Int. J. Audiol., vol. 42, pp. 262-273, 2003 https://doi.org/10.3109/14992020309078345