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Interaction between Phonological and Semantic Processes in Visual Word Recognition using Electrophysiology
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Modernising speech audiometry: using a smartphone application to test word recognition.

Marianne van Zyl1, De Wet Swanepoel1,2,3,4, Hermanus C Myburgh5

  • 1a Department of Speech-Language Pathology and Audiology , University of Pretoria , Pretoria , South Africa.

International Journal of Audiology
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A new smartphone application (App) effectively measures word recognition abilities, offering a feasible and valid tool for speech audiometry. This technology enhances standardization and accessibility for hearing assessments.

Keywords:
Speech perceptionmobile healthspeech audiometrytele-audiologyword recognition

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Area of Science:

  • Audiology
  • Speech-Language Pathology
  • Mobile Health Technology

Background:

  • Traditional speech audiometry relies on standardized recordings for word recognition testing.
  • Accessibility and standardization of these recordings can be challenging with existing hardware.

Purpose of the Study:

  • To develop and validate a smartphone application (App) for measuring word recognition abilities.
  • To assess the feasibility of using a smartphone for speech audiometry.

Main Methods:

  • Recorded word lists in South African English and Afrikaans.
  • Developed an Android App to present recordings via a smartphone connected to an audiometer.
  • Tested the App's feasibility and validity with 100 young adults with normal hearing.

Main Results:

  • Hardware used for audio presentation did not significantly affect recording frequency content.
  • Recordings demonstrated good inter-list reliability in both languages.
  • Performance-intensity functions showed typical slopes for both English and Afrikaans lists.

Conclusions:

  • The developed smartphone App is a feasible and valid method for word recognition testing.
  • This App can improve the standardization and accessibility of recorded speech audiometry.