NDLI: Dual microphone noise PSD estimation for mobile phones in hands-free position exploiting the coherence and speech presence probability

Content Provider	IEEE Xplore Digital Library
Author	Nelke, C.M. Beaugeant, C. Vary, P.
Copyright Year	2013
Description	Author affiliation: Inst. of Commun. Syst. & Data Process. (ind), RWTH Aachen Univ., Aachen, Germany (Nelke, C.M.; Vary, P.) \|\| Mobile & Commun. Group, Intel, Sophia-Antipolis, France (Beaugeant, C.)
Abstract	This contribution addresses the enhancement of noisy speech signals picked up by a dual microphone mobile phone in hands-free position. A novel technique to estimate the noise power spectral density is presented which combines two methods: a single microphone algorithm based on the speech presence probability and a dual microphone technique exploiting the coherence properties of the target signal and the background noise. Due to the novel approach, the weakness of both methods can be overcome. Since the proposed method requires knowledge of the current coherence properties, a technique is presented which estimates the coherence of the speech and noise signals, which is usually not known in practice.
Starting Page	7279
Ending Page	7283
File Size	292516
Page Count	5
File Format	PDF
ISBN	9781479903566
ISSN	15206149
DOI	10.1109/ICASSP.2013.6639076
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-05-26
Publisher Place	Canada
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Noise Speech Coherence Microphones Noise measurement Estimation Speech processing coherence estimation speech enhancement dual microphone noise PSD estimation noise reduction
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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