JP5430990B2 - 信号処理方法、装置及びプログラム - Google Patents

信号処理方法、装置及びプログラム Download PDF

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Publication number
JP5430990B2
JP5430990B2 JP2009073902A JP2009073902A JP5430990B2 JP 5430990 B2 JP5430990 B2 JP 5430990B2 JP 2009073902 A JP2009073902 A JP 2009073902A JP 2009073902 A JP2009073902 A JP 2009073902A JP 5430990 B2 JP5430990 B2 JP 5430990B2
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Japan
Prior art keywords
value
function
signal
signal sequence
echo
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JP2009073902A
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English (en)
Japanese (ja)
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JP2010226629A (ja
JP2010226629A5 (enExample
Inventor
薫 鈴木
皇 天田
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Toshiba Corp
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Toshiba Corp
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Priority to JP2009073902A priority Critical patent/JP5430990B2/ja
Priority to PCT/JP2010/054032 priority patent/WO2010110071A1/ja
Publication of JP2010226629A publication Critical patent/JP2010226629A/ja
Priority to US13/240,353 priority patent/US8630850B2/en
Publication of JP2010226629A5 publication Critical patent/JP2010226629A5/ja
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Publication of JP5430990B2 publication Critical patent/JP5430990B2/ja
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/20—Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other
    • H04B3/23—Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other using a replica of transmitted signal in the time domain, e.g. echo cancellers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M9/00—Arrangements for interconnection not involving centralised switching
    • H04M9/08—Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic
    • H04M9/082—Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic using echo cancellers

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
JP2009073902A 2009-03-25 2009-03-25 信号処理方法、装置及びプログラム Expired - Fee Related JP5430990B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2009073902A JP5430990B2 (ja) 2009-03-25 2009-03-25 信号処理方法、装置及びプログラム
PCT/JP2010/054032 WO2010110071A1 (ja) 2009-03-25 2010-03-10 信号処理方法、装置及びプログラム
US13/240,353 US8630850B2 (en) 2009-03-25 2011-09-22 Signal processing method, apparatus and program

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2009073902A JP5430990B2 (ja) 2009-03-25 2009-03-25 信号処理方法、装置及びプログラム

Publications (3)

Publication Number Publication Date
JP2010226629A JP2010226629A (ja) 2010-10-07
JP2010226629A5 JP2010226629A5 (enExample) 2011-12-15
JP5430990B2 true JP5430990B2 (ja) 2014-03-05

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JP2009073902A Expired - Fee Related JP5430990B2 (ja) 2009-03-25 2009-03-25 信号処理方法、装置及びプログラム

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US (1) US8630850B2 (enExample)
JP (1) JP5430990B2 (enExample)
WO (1) WO2010110071A1 (enExample)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5025753B2 (ja) 2010-03-31 2012-09-12 株式会社東芝 エコーキャンセル装置、方法
US8583428B2 (en) * 2010-06-15 2013-11-12 Microsoft Corporation Sound source separation using spatial filtering and regularization phases
JP5887535B2 (ja) * 2012-02-17 2016-03-16 パナソニックＩｐマネジメント株式会社 エコー消去装置、エコー消去方法、及び、通話装置
US8832170B2 (en) 2012-03-26 2014-09-09 King Fahd University Of Petroleum And Minerals System and method for least mean fourth adaptive filtering
US10381031B2 (en) 2015-03-31 2019-08-13 Seagate Technology Llc Adaptive disturbance rejection using dead zone filter
JP6678545B2 (ja) * 2016-09-12 2020-04-08 株式会社東芝 修正システム、修正方法及びプログラム
JP6672209B2 (ja) 2017-03-21 2020-03-25 株式会社東芝 情報処理装置、情報処理方法、および情報処理プログラム
JP7187183B2 (ja) * 2018-06-14 2022-12-12 株式会社トランストロン エコー抑圧装置、エコー抑圧方法およびエコー抑圧プログラム
CN110767245B (zh) * 2019-10-30 2022-03-25 西南交通大学 基于s型函数的语音通信自适应回声消除方法

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4654863A (en) * 1985-05-23 1987-03-31 At&T Bell Laboratories Wideband adaptive prediction
JPS6365722A (ja) * 1986-09-05 1988-03-24 Fujitsu Ltd ハウリングキヤンセラ
EP0310055B1 (en) * 1987-10-02 1994-01-12 Advanced Micro Devices, Inc. Adaptive echo-canceller with double-talker detection
US5784532A (en) * 1994-02-16 1998-07-21 Qualcomm Incorporated Application specific integrated circuit (ASIC) for performing rapid speech compression in a mobile telephone system
JP2885269B2 (ja) * 1995-02-01 1999-04-19 日本電気株式会社 適応制御ろ波器
JPH102239A (ja) * 1996-06-14 1998-01-06 Toyota Motor Corp ハイブリッド型車両のエンジン制御装置
JPH1028080A (ja) * 1996-07-12 1998-01-27 Nec Corp 低消費電力型通信用適応等化フィルタ
KR100233463B1 (ko) * 1997-03-07 1999-12-01 윤종용 반향제거장치 및 방법
US6563803B1 (en) * 1997-11-26 2003-05-13 Qualcomm Incorporated Acoustic echo canceller
JP3859386B2 (ja) * 1999-03-31 2006-12-20 三菱電機株式会社 波形等化器、波形等化装置及び受信装置
JP3296330B2 (ja) * 1999-05-20 2002-06-24 日本電気株式会社 適応フィルタ、適応フィルタの制御方法及びプログラムを記憶した記憶媒体
US6804203B1 (en) * 2000-09-15 2004-10-12 Mindspeed Technologies, Inc. Double talk detector for echo cancellation in a speech communication system
JP3870861B2 (ja) 2002-07-10 2007-01-24 株式会社デンソー エコーキャンセラ装置、及び音声通信装置
JP2004064681A (ja) 2002-07-31 2004-02-26 Japan Science & Technology Corp 適応フィルタ
JP4094522B2 (ja) * 2003-10-20 2008-06-04 日本電信電話株式会社 反響消去装置、方法、及び反響消去プログラム、そのプログラムを記録した記録媒体
JP4094523B2 (ja) * 2003-10-20 2008-06-04 日本電信電話株式会社 反響消去装置、方法、及び反響消去プログラム、そのプログラムを記録した記録媒体

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Publication number Publication date
JP2010226629A (ja) 2010-10-07
US20120072210A1 (en) 2012-03-22
US8630850B2 (en) 2014-01-14
WO2010110071A1 (ja) 2010-09-30

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