NDLI: Analysis of the frequency-domain Wiener filter with the prediction gain

Content Provider	IEEE Xplore Digital Library
Author	Jingdong Chen Benesty, J. Yiteng Huang
Copyright Year	2010
Description	Author affiliation: WeVoice, Inc., 9 Sylvan Dr., Bridgewater, NJ 08807, USA (Jingdong Chen; Yiteng Huang) \|\| INRS-EMT, University of Quebec, 800 de la Gauchetiere Ouest, Suite 6900, Montreal, H5A 1K6, Canada (Benesty, J.)
Abstract	This paper presents a theoretical analysis on the performance of the optimal noise-reduction filter in the frequency domain. Using the autoregressive (AR) model to model both the clean speech and noise, we build the relationship between the Wiener filter and the AR parameters of the clean speech and noise signals. We show that if noise is not predictable, the Wiener filter is mostly related to the AR parameters of the desired speech signal. On the contrary, if the desired signal is not predictable, the Wiener filter is then mostly related to the AR parameters of the noise signal. More importantly, we provide the bounds for noise reduction, speech distortion, and SNR improvement, and show that the performance of the Wiener filter in terms of SNR improvement and degree of noise reduction and speech distortion is closely related to the prediction gain of the desired speech and noise signals.
Starting Page	209
Ending Page	212
File Size	272655
Page Count	4
File Format	PDF
ISBN	9781424442959
ISSN	15206149
DOI	10.1109/ICASSP.2010.5496034
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-03-14
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Frequency domain analysis Wiener filter Speech enhancement Noise reduction Distortion Performance analysis Performance gain Signal to noise ratio Predictive models Speech analysis prediction gain autoregressive model
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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