Paper Abstract and Keywords |
Presentation |
2008-05-30 11:50
Stereo echo cancellation using MS stereo signals for input signals Akira Nakagawa, Yoichi Haneda (NTT), Akitoshi Kataoka (Ryukoku Univ.) EA2008-22 SIP2008-31 |
Abstract |
(in Japanese) |
(See Japanese page) |
(in English) |
The convergence speed of stereo echo cancellation is slower than that of monaural echo cancellation because of the strong correlation between stereo signals. However, stereo echo cancellation requires a fast convergence. The proposed method can improve the convergence speed by using additional and subtracted signals from the stereo signals as input signals for stereo echo cancellation. First, we show that convergence speed is the same, even if the additional and subtracted signals are used instead of the stereo signals. Next, we focus on the power difference between the additional and subtracted signals and improve the convergence speed by using a different normalization for each input signal. The power difference between stereo signals depends on the method of picking up speech, a hybrid configuration that properly uses the appropriate adaptive algorithm for various power differences is presented. The effectiveness of this is confirmed by computer simulations. |
Keyword |
(in Japanese) |
(See Japanese page) |
(in English) |
stereo echo cancellation / MS stereo / additional and subtracted signals / / / / / |
Reference Info. |
IEICE Tech. Rep., vol. 108, no. 69, EA2008-22, pp. 27-32, May 2008. |
Paper # |
EA2008-22 |
Date of Issue |
2008-05-23 (EA, SIP) |
ISSN |
Print edition: ISSN 0913-5685 Online edition: ISSN 2432-6380 |
Copyright and reproduction |
All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034) |
Download PDF |
EA2008-22 SIP2008-31 |
Conference Information |
Committee |
SIP EA |
Conference Date |
2008-05-29 - 2008-05-30 |
Place (in Japanese) |
(See Japanese page) |
Place (in English) |
Kansai Univ. |
Topics (in Japanese) |
(See Japanese page) |
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Paper Information |
Registration To |
EA |
Conference Code |
2008-05-SIP-EA |
Language |
Japanese |
Title (in Japanese) |
(See Japanese page) |
Sub Title (in Japanese) |
(See Japanese page) |
Title (in English) |
Stereo echo cancellation using MS stereo signals for input signals |
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stereo echo cancellation |
Keyword(2) |
MS stereo |
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additional and subtracted signals |
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1st Author's Name |
Akira Nakagawa |
1st Author's Affiliation |
Nippon telegraph and telephone corporation (NTT) |
2nd Author's Name |
Yoichi Haneda |
2nd Author's Affiliation |
Nippon telegraph and telephone corporation (NTT) |
3rd Author's Name |
Akitoshi Kataoka |
3rd Author's Affiliation |
Ryukoku University (Ryukoku Univ.) |
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Speaker |
Author-1 |
Date Time |
2008-05-30 11:50:00 |
Presentation Time |
25 minutes |
Registration for |
EA |
Paper # |
EA2008-22, SIP2008-31 |
Volume (vol) |
vol.108 |
Number (no) |
no.69(EA), no.71(SIP) |
Page |
pp.27-32 |
#Pages |
6 |
Date of Issue |
2008-05-23 (EA, SIP) |
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