NDLI: Optimal binaural LCMV beamformers for combined noise reduction and binaural cue preservation

Content Provider	IEEE Xplore Digital Library
Author	Marquardt, D. Hadad, E. Gannot, S. Doclo, S.
Copyright Year	2014
Description	Author affiliation: Fac. of Eng., Bar-Ilan Univ., Ramat-Gan, Israel (Hadad, E.; Gannot, S.) \|\| Dept. of Med. Phys. & Acoust. & Cluster of Excellence Hearing All, Univ. of Oldenburg, Oldenburg, Germany (Marquardt, D.; Doclo, S.)
Abstract	Besides noise reduction an important objective of binaural speech enhancement algorithms is the preservation of the binaural cues of both desired and undesired sound sources. Recently, the binaural Linearly Constrained Minimum Variance (BLCMV) beamformer has been proposed that aims to preserve the desired speech component and suppress the undesired directional interference component while preserving the binaural cues of both components. Since the performance of the BLCMV beamformer highly depends on the amount of interference rejection determined by the interference rejection parameter, in this paper we propose several performance criteria to optimize the interference rejection parameters for the left and the right hearing aid. Experimental results show how the performance of the BLCMV beamformer is affected by the different optimal parameter combinations.
Starting Page	288
Ending Page	292
File Size	123892
Page Count	5
File Format	PDF
ISBN	9781479968084
DOI	10.1109/IWAENC.2014.6954304
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-09-08
Publisher Place	France
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Directional interference Noise reduction Interference Auditory system Speech Hearing aids Binaural cues Signal to noise ratio Microphones
Content Type	Text
Resource Type	Article

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