Binaural benefit for speech recognition with spectral mismatch across ears in simulated electric hearing | Zendy

Yang-Soo Yoon | Zendy; Aiguo Liu | Zendy; QianJie Fu | Zendy

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Binaural benefit for speech recognition with spectral mismatch across ears in simulated electric hearing

Author(s) -

Yang-Soo Yoon,

Aiguo Liu,

QianJie Fu

Publication year - 2011

Publication title -

the journal of the acoustical society of america

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.619

H-Index - 187

eISSN - 1520-8524

pISSN - 0001-4966

DOI - 10.1121/1.3606460

Subject(s) - binaural recording , quiet , acoustics , context (archaeology) , noise (video) , audiology , speech recognition , sound localization , computer science , physics , medicine , artificial intelligence , geology , paleontology , quantum mechanics , image (mathematics)

The present study investigated the effects of binaural spectral mismatch on binaural benefits in the context of bilateral cochlear implants using acoustic simulations. Binaural spectral mismatch was systematically manipulated by simulating changes in the relative insertion depths across ears. Sentence recognition, presented unilaterally and bilaterally, were measured in normal-hearing listeners in quiet and noise at +5 dB signal-to-noise ratio. Significant binaural benefits were observed when the interaural difference in insertion depth was 1 mm or less. This result suggests a dependence of the binaural benefit on redundant speech information, rather than on similarity in performance across ears.

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