JP6243536B2 - エコー打ち消し - Google Patents

エコー打ち消し Download PDF

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Publication number
JP6243536B2
JP6243536B2 JP2016537452A JP2016537452A JP6243536B2 JP 6243536 B2 JP6243536 B2 JP 6243536B2 JP 2016537452 A JP2016537452 A JP 2016537452A JP 2016537452 A JP2016537452 A JP 2016537452A JP 6243536 B2 JP6243536 B2 JP 6243536B2
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Japan
Prior art keywords
signal
subband
residual
echo
audio
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JP2016537452A
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English (en)
Japanese (ja)
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JP2017502580A5 (enExample
JP2017502580A (ja
Inventor
ケヒヒアン，パトリック
ピーテル ヤンセ，コルネリス
ピーテル ヤンセ，コルネリス
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Koninklijke Philips NV
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Koninklijke Philips NV
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Publication of JP2017502580A5 publication Critical patent/JP2017502580A5/ja
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    • 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
    • H04M9/085—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 digital techniques
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Telephone Function (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
JP2016537452A 2013-12-12 2014-11-05 エコー打ち消し Active JP6243536B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP13196964.4 2013-12-12
EP13196964 2013-12-12
PCT/EP2014/073806 WO2015086229A1 (en) 2013-12-12 2014-11-05 Echo cancellation

Publications (3)

Publication Number Publication Date
JP2017502580A JP2017502580A (ja) 2017-01-19
JP2017502580A5 JP2017502580A5 (enExample) 2017-08-24
JP6243536B2 true JP6243536B2 (ja) 2017-12-06

Family

ID=49882799

Family Applications (1)

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JP2016537452A Active JP6243536B2 (ja) 2013-12-12 2014-11-05 エコー打ち消し

Country Status (5)

Country Link
US (1) US9800734B2 (enExample)
EP (1) EP3080975B1 (enExample)
JP (1) JP6243536B2 (enExample)
CN (1) CN105794190B (enExample)
WO (1) WO2015086229A1 (enExample)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10262677B2 (en) * 2015-09-02 2019-04-16 The University Of Rochester Systems and methods for removing reverberation from audio signals
KR101715198B1 (ko) * 2015-11-18 2017-03-10 광주과학기술원 가변 전력 예산을 이용한 음성 강화 방법
US10194241B2 (en) 2016-05-31 2019-01-29 Avago Technologies International Sales Pte. Limited System and method for loudspeaker protection
WO2018005979A1 (en) * 2016-06-30 2018-01-04 Google Llc Bi-magnitude processing framework for nonlinear echo cancellation in mobile devices
CN106454642B (zh) * 2016-09-23 2019-01-08 佛山科学技术学院 自适应子带音频反馈抑制方法
CN106911872B (zh) * 2017-02-21 2020-04-10 豪威科技(上海)有限公司 降低回声抵消残留的方法及设备
CN107026950B (zh) * 2017-05-04 2019-09-17 重庆第二师范学院 一种频域自适应回声消除方法
US10154148B1 (en) * 2017-08-03 2018-12-11 Polycom, Inc. Audio echo cancellation with robust double-talk detection in a conferencing environment
CN107888792B (zh) 2017-10-19 2019-09-17 浙江大华技术股份有限公司 一种回声消除方法、装置及系统
CN107910014B (zh) * 2017-11-23 2021-11-09 苏州科达科技股份有限公司 回声消除的测试方法、装置及测试设备
US10692515B2 (en) * 2018-04-17 2020-06-23 Fortemedia, Inc. Devices for acoustic echo cancellation and methods thereof
CN111145769A (zh) * 2018-11-02 2020-05-12 北京微播视界科技有限公司 音频处理方法和装置
CN109831733B (zh) * 2019-02-26 2020-11-24 北京百度网讯科技有限公司 音频播放性能的测试方法、装置、设备和存储介质
US10985951B2 (en) 2019-03-15 2021-04-20 The Research Foundation for the State University Integrating Volterra series model and deep neural networks to equalize nonlinear power amplifiers
CN110310654A (zh) * 2019-07-26 2019-10-08 歌尔科技有限公司 回声消除方法及装置、电子设备、可读存储介质
CN110956975B (zh) * 2019-12-06 2023-03-24 展讯通信（上海）有限公司 回声消除方法及装置
CN111798863B (zh) * 2020-06-24 2024-03-08 北京梧桐车联科技有限责任公司 消除回声的方法、装置、电子设备及可读存储介质
CN116941186A (zh) * 2021-03-16 2023-10-24 松下电器（美国）知识产权公司 回声抑制装置、回声抑制方法以及回声抑制程序
CN116405836B (zh) * 2023-06-08 2023-09-08 安徽声讯信息技术有限公司 一种基于互联网的麦克风调音方法及系统

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US6570985B1 (en) * 1998-01-09 2003-05-27 Ericsson Inc. Echo canceler adaptive filter optimization
US6744887B1 (en) 1999-10-05 2004-06-01 Zhone Technologies, Inc. Acoustic echo processing system
WO2003010949A1 (en) * 2001-07-20 2003-02-06 Koninklijke Philips Electronics N.V. Communication system having line and acoustic echo canceling means with spectral post processors
AU2003292470A1 (en) 2003-01-08 2004-08-10 Koninklijke Philips Electronics N.V. Non-linear acoustic echo canceller
NO322301B1 (no) 2005-07-13 2006-09-11 Tandberg Telecom As Fremgangsmate og system for ekkokansellering med liten forsinkelse.
US20090204048A1 (en) * 2008-02-08 2009-08-13 Samuel Spector Easy removable bandage
US8213598B2 (en) * 2008-02-26 2012-07-03 Microsoft Corporation Harmonic distortion residual echo suppression
US8660676B2 (en) * 2009-10-16 2014-02-25 Microsoft Corporation Mitigating the impact of nonlinear echos by dynamic range compression
US8634569B2 (en) * 2010-01-08 2014-01-21 Conexant Systems, Inc. Systems and methods for echo cancellation and echo suppression
US9420390B2 (en) * 2011-02-03 2016-08-16 Telefonaktiebolaget Lm Ericsson (Publ) Estimation and suppression of harmonic loudspeaker nonlinearities
WO2012109385A1 (en) * 2011-02-10 2012-08-16 Dolby Laboratories Licensing Corporation Post-processing including median filtering of noise suppression gains
US8804977B2 (en) * 2011-03-18 2014-08-12 Dolby Laboratories Licensing Corporation Nonlinear reference signal processing for echo suppression
US9049281B2 (en) * 2011-03-28 2015-06-02 Conexant Systems, Inc. Nonlinear echo suppression
CN103718538B (zh) * 2011-05-17 2015-12-16 谷歌公司 可实现声学回声消除的音频信号非线性后期处理方法和系统
EP2575375B1 (en) 2011-09-28 2015-03-18 Nxp B.V. Control of a loudspeaker output
EP2632141B1 (en) * 2012-02-22 2014-10-15 Dialog Semiconductor B.V. Postfilter for Spectral Domain Echo Cancellers to handle Non-linear Echo Components
US20150003606A1 (en) * 2013-06-28 2015-01-01 Broadcom Corporation Detecting and quantifying non-linear characteristics of audio signals

Also Published As

Publication number Publication date
JP2017502580A (ja) 2017-01-19
CN105794190A (zh) 2016-07-20
US9800734B2 (en) 2017-10-24
EP3080975A1 (en) 2016-10-19
WO2015086229A1 (en) 2015-06-18
US20160309042A1 (en) 2016-10-20
WO2015086229A9 (en) 2017-02-09
EP3080975B1 (en) 2017-07-12
CN105794190B (zh) 2019-09-20

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