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This study aims to investigate the impact of interaural spectral asymmetries on binaural processing in listeners with normal hearing.

Asymmetric temporal envelope encoding: Lateralization with varying envelope shape and spectral mismatch

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This study aims to investigate the impact of interaural spectral asymmetries on binaural processing in listeners with normal hearing.
Simulated interaural spectro-temporal asymmetries using acoustic pulse trains
Applied second-order amplitude modulation with varying modulation rates and depths
Utilized intracranial lateralization to assess whole-waveform interaural time differences
Lateralization of envelope interaural time differences was limited by the ear with smaller amplitude modulation depth
Effectiveness depended on sharpness of temporal onsets and frequency overlap
Models of binaural processing made consistent errors, indicating need for improvement to account for asymmetries.

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Simulation shows lateralization affects binaural outcomes in patients with bilateral cochlear implants, suggesting key implications.

Anderson et al. (2025) studied this question.

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