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A user-operated audiometry method based on the maximum likelihood principle and the two-alternative forced-choice paradigm

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Authors:
  • Schmidt, Jesper Hvass ;
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    University of Southern Denmark
  • Brandt, Christian ;
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    University of Southern Denmark
  • Pedersen, Ellen Raben ;
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    University of Southern Denmark
  • Christensen-Dalsgaard, Jakob ;
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    Department of Electrical Engineering, Technical University of Denmark
  • Andersen, Ture ;
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    University of Southern Denmark
  • Poulsen, Torben ;
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    Department of Electrical Engineering, Technical University of Denmark
  • Bælum, Jesper
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    University of Southern Denmark
DOI:
10.3109/14992027.2013.879339
Abstract:
Objective: To create a user-operated pure-tone audiometry method based on the method of maximum likelihood (MML) and the two-alternative forced-choice (2AFC) paradigm with high test-retest reliability without the need of an external operator and with minimal influence of subjects' fluctuating response criteria. User-operated audiometry was developed as an alternative to traditional audiometry for research purposes among musicians. Design: Test-retest reliability of the user-operated audiometry system was evaluated and the user-operated audiometry system was compared with traditional audiometry. Study sample: Test-retest reliability of user-operated 2AFC audiometry was tested with 38 naïve listeners. User-operated 2AFC audiometry was compared to traditional audiometry in 41 subjects. Results: The repeatability of user-operated 2AFC audiometry was comparable to traditional audiometry with standard deviation of differences from 3.9 dB to 5.2 dB in the frequency range of 250-8000 Hz. User-operated 2AFC audiometrygave thresholds 1-2 dB lower at most frequencies compared to traditional audiometry. Conclusions: User-operated 2AFC audiometry does not require specific operating skills and the repeatability is acceptable and similar to traditional audiometry. User operated 2AFC audiometry is a reliable alternative to traditional audiometry.
Type:
Journal article
Language:
English
Published in:
International Journal of Audiology, 2014, Vol 53, Issue 6, p. 383-91
Keywords:
Audiometry; User-operated audiometry ;; Automated audiometry; 2AFC; Comparative Study; Journal Article; Research Support, Non-U.S. Gov't; Validation Studies
Main Research Area:
Science/technology
Publication Status:
Published
Review type:
Peer Review
Submission year:
2014
Scientific Level:
Scientific
ID:
261033163

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