Abstract
This study presents a new evaluation of a recently introduced speech-intelligibility prediction model, focusing on supra-threshold speech-processing deficits in hearing-impaired listeners. The model [Zaar and Carney, (2022), Hear Res., 426:108553] is based on a physiologically inspired auditory model that simulates the auditory periphery and on the recently proposed notion of across-frequency fluctuation profiles and their relevance for (speech) sound discrimination. The model has been shown to predict speech intelligibility in hearing-impaired listeners for several noise types, based solely on the stimuli and the audiogram. However, no individualized amplification was provided and the contributions of reduced audibility and supra-threshold deficits could thus not be completely disentangled. To investigate the model's predictive power with respect to purely supra-threshold aspects of speech reception, the present study evaluated the model using an additional speech-intelligibility data set collected with 9 hearing-impaired listeners using individualized amplification. In addition to the audiogram, supra-threshold measures of auditory function related to loudness perception were used to individualize the model predictions. The results indicate that while loudness-based estimates of outer-hair-cell loss did affect the model predictions, the predictive power did not improve. This result indicates that other measures of supra-threshold auditory deficits should be considered in future speech-intelligibility prediction efforts.
Original language | English |
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Title of host publication | Proceedings of Forum Acusticum 2023 |
Publisher | European Acoustics Association, EAA |
Publication date | 2023 |
Pages | 869-872 |
ISBN (Electronic) | 9788888942674 |
DOIs | |
Publication status | Published - 2023 |
Event | 10th Convention of the European Acoustics Association - Politecnico di Torino, Torino, Italy Duration: 11 Sept 2023 → 15 Sept 2023 https://www.fa2023.org/ |
Conference
Conference | 10th Convention of the European Acoustics Association |
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Location | Politecnico di Torino |
Country/Territory | Italy |
City | Torino |
Period | 11/09/2023 → 15/09/2023 |
Internet address |
Series | Proceedings of Forum Acusticum |
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ISSN | 2221-3767 |
Keywords
- Hearing loss
- Noise
- Speech intelligibility