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Original Article

Misconceptions when estimating the directivity index for directional microphone systems on a manikin

Pages 52-54 | Received 05 Apr 2002, Accepted 10 Apr 2002, Published online: 07 Jul 2009

References

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  • Dittberner A B, Bentler R A. A multidimensional instrument-based approach to estimating signal-to-noise ratio benefit of directional microphones in hearing aids. Paper presented at the American Audiology Society, Annual Conference, Scottsdale, AZ, 2002
  • Dittberner A B, Li T, Bentler R A. Estimating the ‘true’ directivity index for hearing aid first-, second-and higher order directional microphone systems in free field and on a KEMAR. 2002, Submitted manuscript
  • Fortune T W. Real-ear polar patterns and aided directional sensitivity. J Am Acad Audiol 1997; 8: 119–131
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  • Ricketts T A. Directivity quantification in hearing aids: fitting and measurement effects. Ear Hear 2000; 21: 45–58
  • Ricketts T, Dittberner A B. Directional amplification for improved signal-to-noise ratio. Strategies for selecting and verifying hearing aids, 2nd edn, M Valente. Thieme & Stratton, New York, NY 2002; 274–346
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  • Schulein R. 2002, Personal Communication

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