JP2011061449A5 - - Google Patents

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Publication number
JP2011061449A5
JP2011061449A5 JP2009208337A JP2009208337A JP2011061449A5 JP 2011061449 A5 JP2011061449 A5 JP 2011061449A5 JP 2009208337 A JP2009208337 A JP 2009208337A JP 2009208337 A JP2009208337 A JP 2009208337A JP 2011061449 A5 JP2011061449 A5 JP 2011061449A5
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JP
Japan
Prior art keywords
echo cancellation
cancellation amount
flg
coefficient
amount
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JP2009208337A
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English (en)
Japanese (ja)
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JP2011061449A (ja
JP5321372B2 (ja
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Priority to JP2009208337A priority Critical patent/JP5321372B2/ja
Priority claimed from JP2009208337A external-priority patent/JP5321372B2/ja
Priority to CN2010102088907A priority patent/CN102025395A/zh
Priority to US12/877,990 priority patent/US8280037B2/en
Publication of JP2011061449A publication Critical patent/JP2011061449A/ja
Publication of JP2011061449A5 publication Critical patent/JP2011061449A5/ja
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Publication of JP5321372B2 publication Critical patent/JP5321372B2/ja
Expired - Fee Related legal-status Critical Current
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JP2009208337A 2009-09-09 2009-09-09 エコーキャンセラ Expired - Fee Related JP5321372B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2009208337A JP5321372B2 (ja) 2009-09-09 2009-09-09 エコーキャンセラ
CN2010102088907A CN102025395A (zh) 2009-09-09 2010-06-18 回波抵消器
US12/877,990 US8280037B2 (en) 2009-09-09 2010-09-08 Echo canceller having its effective filter taps adaptively controlled with echo cancellation amount monitored

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2009208337A JP5321372B2 (ja) 2009-09-09 2009-09-09 エコーキャンセラ

Publications (3)

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JP2011061449A JP2011061449A (ja) 2011-03-24
JP2011061449A5 true JP2011061449A5 (enExample) 2012-06-21
JP5321372B2 JP5321372B2 (ja) 2013-10-23

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JP2009208337A Expired - Fee Related JP5321372B2 (ja) 2009-09-09 2009-09-09 エコーキャンセラ

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US (1) US8280037B2 (enExample)
JP (1) JP5321372B2 (enExample)
CN (1) CN102025395A (enExample)

Families Citing this family (69)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE524807T1 (de) * 2007-01-23 2011-09-15 Siemens Ag Oesterreich Verfahren zur identifikation von signalen gleichen ursprungs
JP5347794B2 (ja) * 2009-07-21 2013-11-20 ヤマハ株式会社 エコー抑圧方法およびその装置
US8340278B2 (en) * 2009-11-20 2012-12-25 Texas Instruments Incorporated Method and apparatus for cross-talk resistant adaptive noise canceller
US9805734B2 (en) * 2010-10-08 2017-10-31 Nec Corporation Signal processing device, signal processing method and signal processing program for noise cancellation
JP5510288B2 (ja) * 2010-11-24 2014-06-04 沖電気工業株式会社 適応フィルタ次数制御装置及びプログラム、並びに、エコーキャンセラ
US8908877B2 (en) 2010-12-03 2014-12-09 Cirrus Logic, Inc. Ear-coupling detection and adjustment of adaptive response in noise-canceling in personal audio devices
CN103270552B (zh) 2010-12-03 2016-06-22 美国思睿逻辑有限公司 在个人语音装置中的适应性噪音消除器的监督控制
US20120140940A1 (en) * 2010-12-07 2012-06-07 Electronics And Telecommunications Research Institute Method and device for cancelling acoustic echo
JP5501527B2 (ja) * 2011-05-10 2014-05-21 三菱電機株式会社 エコー消去装置およびエコー検出装置
US9824677B2 (en) 2011-06-03 2017-11-21 Cirrus Logic, Inc. Bandlimiting anti-noise in personal audio devices having adaptive noise cancellation (ANC)
US9318094B2 (en) 2011-06-03 2016-04-19 Cirrus Logic, Inc. Adaptive noise canceling architecture for a personal audio device
US8958571B2 (en) 2011-06-03 2015-02-17 Cirrus Logic, Inc. MIC covering detection in personal audio devices
JP6064159B2 (ja) * 2011-07-11 2017-01-25 パナソニックＩｐマネジメント株式会社 エコーキャンセル装置、それを用いた会議システム、およびエコーキャンセル方法
JP2013030868A (ja) * 2011-07-27 2013-02-07 Sony Corp エコー除去装置、エコー除去方法、プログラムおよび記録媒体
TWI474638B (zh) * 2011-11-08 2015-02-21 Realtek Semiconductor Corp 消除傳輸埠間干擾之網路裝置及其消除傳輸埠間干擾之方法
JP5823845B2 (ja) * 2011-12-14 2015-11-25 ラピスセミコンダクタ株式会社 エコーキャンセラ装置及びエコーキャンセル方法
US9232071B2 (en) 2011-12-16 2016-01-05 Qualcomm Incorporated Optimizing audio processing functions by dynamically compensating for variable distances between speaker(s) and microphone(s) in a mobile device
US9654609B2 (en) 2011-12-16 2017-05-16 Qualcomm Incorporated Optimizing audio processing functions by dynamically compensating for variable distances between speaker(s) and microphone(s) in an accessory device
EP2798759A4 (en) 2011-12-20 2015-08-19 Intel Corp TECHNIQUES FOR TRANSMITTING AND RECEIVING SIMULTANEOUSLY ON THE SAME RADIO FREQUENCY CARRIER
US9123321B2 (en) 2012-05-10 2015-09-01 Cirrus Logic, Inc. Sequenced adaptation of anti-noise generator response and secondary path response in an adaptive noise canceling system
US9318090B2 (en) 2012-05-10 2016-04-19 Cirrus Logic, Inc. Downlink tone detection and adaptation of a secondary path response model in an adaptive noise canceling system
JP2015521421A (ja) * 2012-06-08 2015-07-27 インテル コーポレイション 長く遅延したエコーのためのエコーキャンセレーションアルゴリズム
US9767828B1 (en) * 2012-06-27 2017-09-19 Amazon Technologies, Inc. Acoustic echo cancellation using visual cues
US9532139B1 (en) 2012-09-14 2016-12-27 Cirrus Logic, Inc. Dual-microphone frequency amplitude response self-calibration
US9414150B2 (en) 2013-03-14 2016-08-09 Cirrus Logic, Inc. Low-latency multi-driver adaptive noise canceling (ANC) system for a personal audio device
US9697847B2 (en) * 2013-03-14 2017-07-04 Semiconductor Components Industries, Llc Acoustic signal processing system capable of detecting double-talk and method
US9502020B1 (en) 2013-03-15 2016-11-22 Cirrus Logic, Inc. Robust adaptive noise canceling (ANC) in a personal audio device
US8879720B2 (en) * 2013-03-17 2014-11-04 Revolabs, Inc. Acoustic echo cancellation using a variable length adaptive filter
US10206032B2 (en) 2013-04-10 2019-02-12 Cirrus Logic, Inc. Systems and methods for multi-mode adaptive noise cancellation for audio headsets
US9462376B2 (en) 2013-04-16 2016-10-04 Cirrus Logic, Inc. Systems and methods for hybrid adaptive noise cancellation
US9478210B2 (en) 2013-04-17 2016-10-25 Cirrus Logic, Inc. Systems and methods for hybrid adaptive noise cancellation
US9460701B2 (en) 2013-04-17 2016-10-04 Cirrus Logic, Inc. Systems and methods for adaptive noise cancellation by biasing anti-noise level
US9578432B1 (en) 2013-04-24 2017-02-21 Cirrus Logic, Inc. Metric and tool to evaluate secondary path design in adaptive noise cancellation systems
US9154187B2 (en) 2013-05-24 2015-10-06 Nxp B.V. System and method for operating a filter for echo cancellation
GB201309773D0 (en) 2013-05-31 2013-07-17 Microsoft Corp Echo removal
GB201309779D0 (en) * 2013-05-31 2013-07-17 Microsoft Corp Echo removal
US9666176B2 (en) 2013-09-13 2017-05-30 Cirrus Logic, Inc. Systems and methods for adaptive noise cancellation by adaptively shaping internal white noise to train a secondary path
US9620101B1 (en) 2013-10-08 2017-04-11 Cirrus Logic, Inc. Systems and methods for maintaining playback fidelity in an audio system with adaptive noise cancellation
US9704472B2 (en) 2013-12-10 2017-07-11 Cirrus Logic, Inc. Systems and methods for sharing secondary path information between audio channels in an adaptive noise cancellation system
US10219071B2 (en) 2013-12-10 2019-02-26 Cirrus Logic, Inc. Systems and methods for bandlimiting anti-noise in personal audio devices having adaptive noise cancellation
US10382864B2 (en) 2013-12-10 2019-08-13 Cirrus Logic, Inc. Systems and methods for providing adaptive playback equalization in an audio device
WO2015130257A1 (en) 2014-02-25 2015-09-03 Intel Corporation Apparatus, system and method of simultaneous transmit and receive (str) wireless communication
US9479860B2 (en) 2014-03-07 2016-10-25 Cirrus Logic, Inc. Systems and methods for enhancing performance of audio transducer based on detection of transducer status
US10181315B2 (en) 2014-06-13 2019-01-15 Cirrus Logic, Inc. Systems and methods for selectively enabling and disabling adaptation of an adaptive noise cancellation system
US9478212B1 (en) 2014-09-03 2016-10-25 Cirrus Logic, Inc. Systems and methods for use of adaptive secondary path estimate to control equalization in an audio device
JP6201949B2 (ja) * 2014-10-08 2017-09-27 株式会社Ｊｖｃケンウッド エコーキャンセル装置、エコーキャンセルプログラム及びエコーキャンセル方法
US9552805B2 (en) 2014-12-19 2017-01-24 Cirrus Logic, Inc. Systems and methods for performance and stability control for feedback adaptive noise cancellation
WO2017029550A1 (en) 2015-08-20 2017-02-23 Cirrus Logic International Semiconductor Ltd Feedback adaptive noise cancellation (anc) controller and method having a feedback response partially provided by a fixed-response filter
US9578415B1 (en) 2015-08-21 2017-02-21 Cirrus Logic, Inc. Hybrid adaptive noise cancellation system with filtered error microphone signal
US9923592B2 (en) 2015-12-26 2018-03-20 Intel Corporation Echo cancellation using minimal complexity in a device
US10013966B2 (en) 2016-03-15 2018-07-03 Cirrus Logic, Inc. Systems and methods for adaptive active noise cancellation for multiple-driver personal audio device
CN105872156B (zh) * 2016-05-25 2019-02-12 腾讯科技（深圳）有限公司 一种回声时延跟踪方法及装置
US20190149181A1 (en) * 2016-08-04 2019-05-16 Hewlett-Packard Development Company, L.P. Frequency band selection
US10177810B2 (en) * 2016-09-02 2019-01-08 Marvell World Trade Ltd. Systems and methods for echo or interference cancellation power-saving management in a communication system
US10542153B2 (en) 2017-08-03 2020-01-21 Bose Corporation Multi-channel residual echo suppression
US10594869B2 (en) * 2017-08-03 2020-03-17 Bose Corporation Mitigating impact of double talk for residual echo suppressors
JPWO2019044176A1 (ja) * 2017-08-28 2020-10-01 ソニー株式会社 音声処理装置及び音声処理方法、並びに情報処理装置
CN111201712B (zh) * 2017-09-25 2023-04-21 全球硅片有限公司 自适应滤波器
US10863269B2 (en) 2017-10-03 2020-12-08 Bose Corporation Spatial double-talk detector
WO2019068115A1 (en) * 2017-10-04 2019-04-11 Proactivaudio Gmbh ECHO CANCELLATION DEVICE AND METHOD THEREOF
US11363147B2 (en) 2018-09-25 2022-06-14 Sorenson Ip Holdings, Llc Receive-path signal gain operations
KR102167469B1 (ko) * 2018-12-19 2020-10-19 주식회사 이엠텍 피드백 처리 방법
JP6635394B1 (ja) 2019-01-29 2020-01-22 パナソニックＩｐマネジメント株式会社 音声処理装置および音声処理方法
US10964305B2 (en) 2019-05-20 2021-03-30 Bose Corporation Mitigating impact of double talk for residual echo suppressors
CN112491443B (zh) * 2019-09-11 2022-10-28 瑞昱半导体股份有限公司 具有回音消除省电机制的电子系统及相关回音消除方法
CN113067955B (zh) * 2019-12-13 2024-03-08 瑞昱半导体股份有限公司 通信装置及回音消除方法
TWI793486B (zh) * 2020-12-28 2023-02-21 智原科技股份有限公司 通訊裝置中的回音消除裝置及其回音消除方法
US11875810B1 (en) 2021-09-29 2024-01-16 Amazon Technologies, Inc. Echo cancellation using neural networks for environments with unsynchronized devices for audio capture and rendering
JP7756052B2 (ja) * 2022-07-07 2025-10-17 株式会社トランストロン エコー抑圧装置、エコー抑圧方法及びエコー抑圧プログラム

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04119713A (ja) * 1990-09-10 1992-04-21 Fujitsu Ltd 適応フィルタ係数推定時に使用する修正定数の設定方法
JPH0537825A (ja) * 1991-07-29 1993-02-12 Sanyo Electric Co Ltd 自動等化回路
JP2643852B2 (ja) * 1994-08-31 1997-08-20 日本電気株式会社 エコーキャンセラ
JPH08251079A (ja) 1995-03-07 1996-09-27 Fujitsu Ltd エコーキャンセラ
JP3417159B2 (ja) 1995-08-11 2003-06-16 Ｋｄｄｉ株式会社 エコーキャンセラ装置
JP2000341178A (ja) * 1999-05-27 2000-12-08 Fujitsu Ltd ハンズフリー通話装置
GB2379369B (en) * 2001-08-29 2005-06-29 Zarlink Semiconductor Inc Subband echo location and double-talk detection in communication systems
JP4403776B2 (ja) * 2003-11-05 2010-01-27 沖電気工業株式会社 エコーキャンセラ
JP2006157498A (ja) 2004-11-30 2006-06-15 Matsushita Electric Ind Co Ltd 音響エコーキャンセラとそれを用いたハンズフリー電話及び音響エコーキャンセル方法
JP4613705B2 (ja) * 2005-06-15 2011-01-19 沖電気工業株式会社 エコーキャンセラ
JP4692291B2 (ja) * 2006-01-13 2011-06-01 沖電気工業株式会社 エコーキャンセラ
JP5061853B2 (ja) * 2007-11-06 2012-10-31 沖電気工業株式会社 エコーキャンセラ及びエコーキャンセルプログラム
JP5096179B2 (ja) * 2008-01-28 2012-12-12 ルネサスエレクトロニクス株式会社 適応等化装置

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