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Title:
音響エコー消去方法、その装置、プログラム及びその記録媒体
Document Type and Number:
Japanese Patent JP4041770
Kind Code:
B2
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JPH04117810METHOD FOR ESTIMATING FILTER COEFFICIENT FOR ADAPTIVE FILTER WITH REDUCED PROCESSING QUANTITY
JP3471722ECHO CANCELLER
Inventors:
Akatsuki Emura
Yoichi Haneda
Application Number:
JP2003141818A
Publication Date:
January 30, 2008
Filing Date:
May 20, 2003
Export Citation:
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Assignee:
Nippon Telegraph and Telephone Corporation
International Classes:
H04B3/23; H04R3/02; H03H21/00; H04M1/60
Domestic Patent References:
JP2002135170A
JP1220530A
JP2002223182A
JP1093680A
JP3133219A
Foreign References:
WO2002017488A1
Other References:
Soo, J.-S et al.,Multidelay block frequency domain adaptive filter,IEEE Transactions on Acoustics, Speech, and Signal Processing,米国,IEEE,1990年 2月,vol.38,no.2,pp.373-376
Attorney, Agent or Firm:
Naoki Nakao
Taku Kusano
Yukio Nakamura
Minoru Inagaki



 
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