NDLI: A robust speech detection algorithm in a microphone array teleconferencing system

Content Provider	IEEE Xplore Digital Library
Author	Qiyue Zou Xiaoxin Zou Ming Zhang Zhiping Lin
Copyright Year	2001
Description	Author affiliation: Sch. of Electr. & Electron. Eng., Nanyang Technol. Univ., Singapore (Qiyue Zou)
Abstract	This paper describes a robust speech detection algorithm that can operate reliably in a microphone array teleconferencing system. High performance in a nonstationary noisy environment is achieved by combining the following techniques: (1) noise suppression by spectral subtraction, (2) silence detection by adaptive noise threshold and (3) non-stationary noise detection based on the availability of pitch signal. This algorithm can prevent the microphone-array-based speaker tracking system from being misguided by noises commonly present in a conference room. Real world experiments show that this algorithm performs very well and has the potential for practical applications.
Sponsorship	IEEE Signal Process. Soc
Starting Page	3025
Ending Page	3028
File Size	376534
Page Count	4
File Format	PDF
ISBN	0780370414
ISSN	15206149
DOI	10.1109/ICASSP.2001.940295
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2001-05-07
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Microphone arrays Robustness Detection algorithms Teleconferencing Acoustic noise Working environment noise Background noise Speech enhancement Signal processing algorithms Signal to noise ratio
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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