What question did this study set out to answer?

The goal is to analyze how different degrees of hearing loss affect speech recognition in noise and the benefits of binaural hearing.

February 14, 2026Trends in HearingOpen Access

Analysis of Spatial, Binaural, and Better-Ear Benefits for Different Degrees of Hearing Loss Using a Binaural Speech Intelligibility Model

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Analysis examines speech recognition thresholds in individuals with varying degrees of hearing loss, suggesting implications for auditory models.

The goal is to analyze how different degrees of hearing loss affect speech recognition in noise and the benefits of binaural hearing.
Analyzed speech recognition thresholds of 738 listeners across varying hearing loss degrees.
Tested speech presentation from different azimuth angles relative to the listener's hearing threshold.
Employed a binaural speech intelligibility model consisting of equalization-cancellation and intelligibility index.
Enhanced model prediction accuracy with individual suprathreshold components.
Participants exhibited greater variance in speech recognition thresholds than spatial and binaural benefits.
Model enhancements improved prediction accuracy for specific listening conditions (S 0 N 90).
No improvement noted in spatial and binaural masking release or better ear listening.

Röttges et al. (2026) studied this question.

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Analysis examines speech recognition thresholds in individuals with varying degrees of hearing loss, suggesting implications for auditory models.