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Adaptive Microphone Array Employing Calibration Signals. An Analytical Evaluation
Responsible organisation
1999 (English)In: IEEE transactions on speech and audio processing, ISSN 1063-6676, E-ISSN 1558-2353, Vol. 7, no 3, 241-52 p.Article in journal (Refereed) Published
Abstract [en]

This paper gives an analytical description of an adaptive microphone array that facilitates a simple built-in calibration to the environment and instrumentation. This method, suggested for use in hands-free mobile telephones and speech recognition systems for cars, provides speech enhancement and acoustic echo-cancellation. The scheme offers several advantages, such as a simple calibration procedure, suppression of directional sources, versatile robust beamforming, and reduced target signal distortion. The analysis employs noncausal Wiener filters yielding compact and effective theoretical suppression limits

Place, publisher, year, edition, pages
New York: IEEE , 1999. Vol. 7, no 3, 241-52 p.
National Category
Signal Processing
Identifiers
URN: urn:nbn:se:bth-9752ISI: 000079911300001Local ID: oai:bth.se:forskinfo977550E56A1413BEC12568A3002CAA0FOAI: oai:DiVA.org:bth-9752DiVA: diva2:837684
Note
Submitted for publication to IEEE Transactions on Speech and Audio Processing, December 1996Available from: 2012-09-18 Created: 2000-03-15 Last updated: 2015-06-30Bibliographically approved

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