Noise reduction in binaural hearing aids: Analyzing the benefit over monaural systems | Zendy

Sriram Srinivasan | Zendy

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Noise reduction in binaural hearing aids: Analyzing the benefit over monaural systems

Author(s) -

Sriram Srinivasan

Publication year - 2008

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 - 10.1121/1.2993747

Subject(s) - monaural , binaural recording , hearing aid , noise reduction , computer science , microphone , acoustics , noise (video) , reduction (mathematics) , beamforming , transmission (telecommunications) , speech recognition , telecommunications , mathematics , artificial intelligence , physics , sound pressure , geometry , image (mathematics)

Binaural beamforming using signals from both left and right hearing aids offers greater potential for noise reduction than using signals from a single aid. However, wireless transmission of data imposes power constraints. Since most modern hearing aids have multiple microphones and are capable of spatial filtering, it is of interest to study the conditions when a binaural system offers significant improvements over a multi-microphone monaural system, and the situations when the noise reduction benefits are only marginal. An intelligent transmission scheme could then be designed such that signals are exchanged between the hearing aids only when the benefits are significant.

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