NDLI: Binaural noise cue preservation in a binaural noise reduction system with a remote microphone signal

Content Provider	ACM Digital Library
Author	Bertrand, Alexander Szurley, Joseph Van dijk, Bas Moonen, Marc
Copyright Year	2016
Abstract	A general binaural noise reduction system is considered that employs the multichannel Wiener filter with partial noise estimation $(MWF_{η})$ allowing for an explicit tradeoff between noise reduction and binaural noise cue preservation. In this paper, it is assumed that along with the general binaural system, a remote microphone signal with a high input signal-to-noise ratio (SNR) is available for inclusion in the $MWF_{η}.$ The use of this remote microphone signal with a high input SNR allows for a simultaneous increase in both noise reduction performance and preservation of the binaural noise cues. To further increase the performance, a modification to the partial noise estimation (PNE) variable, $\textit{η},$ is proposed which relies on exploiting the aforementioned trade-off by either constraining the output SNR or binaural noise cues to the same level before and after the addition of the remote microphone signal. The validity of the theoretical results are supplemented via simulations using a binaural setup with a single speech and noise source.
Starting Page	952
Ending Page	966
Page Count	15
File Format	PDF
ISSN	23299290
e-ISSN	23299304
Volume Number	24
Issue Number	5
Journal	IEEE/ACM Transactions on Audio, Speech and Language Processing (TASLP)
Language	English
Publisher	Association for Computing Machinery (ACM)
Publisher Date	2016-05-01
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Binaural cues Binaural hearing aids Multi-channel Wiener filtering Noise reduction
Content Type	Text
Resource Type	Article
Subject	Instrumentation Computational Mathematics Signal Processing Electrical and Electronic Engineering Acoustics and Ultrasonics Speech and Hearing Media Technology

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