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Speech Intelligibility Considerations in Specifying Characteristics of a Programmable Hearing Aid
1Department of Speech Pathology and Audiology, University of Iowa, Iowa City, Iowa 52242, USA, and LA 261, C.N.R.S., Institut de Phonetique, Université de Provence, 13621 Aix en Provence, France.
Acta Oto-Laryngologica
|January 8, 2020
Summary
This study examines speech intelligibility in hearing aids, a key factor for user satisfaction beyond just clear sound. Current prediction methods need improvement for digital hearing aid applications.
Area of Science:
- Audiology
- Speech Processing
- Hearing Science
Background:
- Auditory prosthetic devices utilize advanced speech processing for user satisfaction.
- User satisfaction is multidimensional, encompassing speech naturalness, intelligibility, and pleasantness.
Purpose of the Study:
- To position speech intelligibility within the broader context of perceptual attributes for auditory prosthetics.
- To identify challenges hindering the effectiveness of current speech intelligibility prediction procedures for digital hearing aids.
Main Methods:
- Literature review and analysis of perceptual attributes in auditory prosthetics.
- Discussion of the role of speech intelligibility in user satisfaction metrics.
- Examination of limitations in existing speech intelligibility prediction models.
Main Results:
- Speech intelligibility is a critical, yet complex, component of overall user satisfaction with hearing devices.
- Existing prediction procedures for speech intelligibility show relative inadequacy for modern digital hearing aids.
Conclusions:
- Further research is needed to refine speech intelligibility prediction for enhanced digital hearing aid performance.
- Integrating intelligibility metrics more effectively can improve user-centered design in auditory prosthetics.
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