A Perspective on Stereophonic Acoustic Echo Cancellation
Single-channel hands-free teleconferencing systems are becoming popular. In order to enhance the communication quality of these systems, more and more stereophonic sound devices with two loudspeakers and two microphones are deployed. Because of the coupli
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Series Editors J. Benesty, Montreal, QC, Canada W. Kellermann, Erlangen, Germany
Springer Topics in Signal Processing Edited by J. Benesty and W. Kellermann
Vol. 1: Benesty, J.; Chen, J.; Huang, Y. Microphone Array Signal Processing 250 p. 2008 [978-3-540-78611-5] Vol. 2: Benesty, J.; Chen, J.; Huang, Y.; Cohen, I. Noise Reduction in Speech Processing 240 p. 2009 [978-3-642-00295-3] Vol. 3: Cohen, I.; Benesty, J.; Gannot, S. (Eds.) Speech Processing in Modern Communication 360 p. 2010 [978-3-642-11129-7] Vol. 4: Benesty, J.; Paleologu, C.; Gänsler, T.; Ciochin˘a, S. A Perspective on Stereophonic Acoustic Echo Cancellation 139 p. 2011 [978-3-642-22573-4]
Jacob Benesty · Constantin Paleologu Tomas Gänsler · Silviu Ciochin˘a
A Perspective on Stereophonic Acoustic Echo Cancellation
ABC
Prof. Dr. Jacob Benesty INRS-EMT University of Quebec H5A 1K6 Montreal, QC Canada Email: [email protected]
Dr. Tomas Gänsler mh acoustics LLC Summit, New Jersey USA Email: [email protected]
Prof. Dr. Constantin Paleologu University Politehnica of Bucharest Telecommunications Department 061071 Bucharest Romania Email: [email protected]
Prof. Dr. Silviu Ciochin˘a Politehnica University of Bucharest Telecommunications Department 061071 Bucharest Romania Email: [email protected]
ISBN 978-3-642-22573-4
e-ISBN 978-3-642-22574-1
DOI 10.1007/978-3-642-22574-1 Springer Topics in Signal Processing
ISSN 1866-2609 e-ISSN 1866-2617
Library of Congress Control Number: 2011933378 c 2011 Springer-Verlag Berlin Heidelberg This work is subject to copyright. All rights are reserved, whether the whole or part of the material is concerned, specifically the rights of translation, reprinting, reuse of illustrations, recitation, broadcasting, reproduction on microfilm or in any other way, and storage in data banks. Duplication of this publication or parts thereof is permitted only under the provisions of the German Copyright Law of September 9, 1965, in its current version, and permission for use must always be obtained from Springer. Violations are liable to prosecution under the German Copyright Law. The use of general descriptive names, registered names, trademarks, etc. in this publication does not imply, even in the absence of a specific statement, that such names are exempt from the relevant protective laws and regulations and therefore free for general use. Cover Design: WMXDesign GmbH, Heidelberg Printed on acid-free paper 987654321 springer.com
Contents
1
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.1 Stereophonic Acoustic Echo Cancellation (SAEC) . . . . . . . . . . 1.2 Organization of the Book . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . References . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1 1 3 4
2
Problem Formulation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 2.1 Stereophonic Acoustic Echo Model . . . . . . . . . . . . . . . . . . . . . . . . 5 2.2 Wid
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