WO2014094359A1 - 一种用于小型免提语音通讯系统中的回声消除装置和方法 - Google Patents
一种用于小型免提语音通讯系统中的回声消除装置和方法 Download PDFInfo
- Publication number
- WO2014094359A1 WO2014094359A1 PCT/CN2013/001558 CN2013001558W WO2014094359A1 WO 2014094359 A1 WO2014094359 A1 WO 2014094359A1 CN 2013001558 W CN2013001558 W CN 2013001558W WO 2014094359 A1 WO2014094359 A1 WO 2014094359A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- signal
- echo
- adaptive
- frequency domain
- array
- Prior art date
Links
- 238000004891 communication Methods 0.000 title claims abstract description 41
- 238000000034 method Methods 0.000 title claims abstract description 36
- 238000001914 filtration Methods 0.000 claims abstract description 60
- 230000003044 adaptive effect Effects 0.000 claims description 145
- 238000012546 transfer Methods 0.000 claims description 19
- 238000005070 sampling Methods 0.000 claims description 12
- 230000008030 elimination Effects 0.000 claims description 6
- 238000003379 elimination reaction Methods 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 4
- 230000007423 decrease Effects 0.000 claims description 4
- 238000001228 spectrum Methods 0.000 claims description 4
- 238000004364 calculation method Methods 0.000 claims description 3
- 230000009466 transformation Effects 0.000 claims 9
- 238000010586 diagram Methods 0.000 description 36
- 230000003595 spectral effect Effects 0.000 description 9
- 238000002592 echocardiography Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 7
- 230000008859 change Effects 0.000 description 6
- 230000036961 partial effect Effects 0.000 description 6
- 239000000872 buffer Substances 0.000 description 4
- 238000013461 design Methods 0.000 description 4
- 230000035945 sensitivity Effects 0.000 description 4
- 230000002238 attenuated effect Effects 0.000 description 3
- 238000009826 distribution Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000000644 propagated effect Effects 0.000 description 2
- 230000002829 reductive effect Effects 0.000 description 2
- 101150074925 sph2 gene Proteins 0.000 description 2
- 239000013598 vector Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
Classifications
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Telephone Function (AREA)
- Circuit For Audible Band Transducer (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14/411,669 US9325855B2 (en) | 2012-12-20 | 2013-12-12 | Echo elimination device and method for miniature hands-free voice communication system |
JP2015524602A JP5844502B2 (ja) | 2012-12-20 | 2013-12-12 | 小型ハンズフリー音声通信システムに適用するエコーキャンセル装置及び方法 |
EP13864322.6A EP2858338B1 (en) | 2012-12-20 | 2013-12-12 | Echo cancellation device and method for small-scale hands-free voice communication system |
KR1020147037065A KR101532531B1 (ko) | 2012-12-20 | 2013-12-12 | 소형 핸즈프리 음성 통신 시스템을 위한 에코 제거 장치 및 방법 |
DK13864322.6T DK2858338T3 (en) | 2012-12-20 | 2013-12-12 | Echo Elimination Device and Method for a Hands-Free Small Dimension Voice Communication System |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201210556804.0A CN103051818B (zh) | 2012-12-20 | 2012-12-20 | 一种用于小型免提语音通讯系统中的回声消除装置和方法 |
CN201210556804.0 | 2012-12-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2014094359A1 true WO2014094359A1 (zh) | 2014-06-26 |
Family
ID=48064311
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CN2013/001558 WO2014094359A1 (zh) | 2012-12-20 | 2013-12-12 | 一种用于小型免提语音通讯系统中的回声消除装置和方法 |
Country Status (7)
Country | Link |
---|---|
US (1) | US9325855B2 (zh) |
EP (1) | EP2858338B1 (zh) |
JP (1) | JP5844502B2 (zh) |
KR (1) | KR101532531B1 (zh) |
CN (1) | CN103051818B (zh) |
DK (1) | DK2858338T3 (zh) |
WO (1) | WO2014094359A1 (zh) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103051818B (zh) * | 2012-12-20 | 2014-10-29 | 歌尔声学股份有限公司 | 一种用于小型免提语音通讯系统中的回声消除装置和方法 |
CN106576205B (zh) * | 2014-08-13 | 2019-06-21 | 三菱电机株式会社 | 回声消除装置 |
GB2525051B (en) * | 2014-09-30 | 2016-04-13 | Imagination Tech Ltd | Detection of acoustic echo cancellation |
CN105791515B (zh) * | 2014-12-22 | 2019-06-28 | 青岛海信移动通信技术股份有限公司 | 一种终端设备屏幕状态控制方法及终端设备 |
US9607627B2 (en) * | 2015-02-05 | 2017-03-28 | Adobe Systems Incorporated | Sound enhancement through deverberation |
JP2017191987A (ja) * | 2016-04-12 | 2017-10-19 | 日本電信電話株式会社 | エコー消去装置、その方法、プログラム、及び記録媒体 |
CN107635082A (zh) * | 2016-07-18 | 2018-01-26 | 深圳市有信网络技术有限公司 | 一种双端发声端检测系统 |
ES2943483T3 (es) * | 2017-11-14 | 2023-06-13 | Nippon Telegraph & Telephone | Dispositivo de comunicación por voz, método de comunicación por voz, y programa |
EP3793179A1 (en) * | 2019-09-10 | 2021-03-17 | Peiker Acustic GmbH | Hands-free speech communication device |
CN113593589B (zh) | 2020-04-30 | 2022-06-28 | 阿波罗智联(北京)科技有限公司 | 回声时延检测方法、装置及电子设备 |
CN116962583B (zh) * | 2023-09-20 | 2023-12-08 | 腾讯科技(深圳)有限公司 | 一种回声控制的方法、装置、设备、存储介质及程序产品 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20030039353A1 (en) * | 2001-08-13 | 2003-02-27 | Fujitsu Limited | Echo cancellation processing system |
CN102387273A (zh) * | 2011-07-08 | 2012-03-21 | 歌尔声学股份有限公司 | 一种抑制残留回声的方法和装置 |
CN202197344U (zh) * | 2011-07-08 | 2012-04-18 | 歌尔声学股份有限公司 | 送话器阵列回声消除系统 |
CN103051818A (zh) * | 2012-12-20 | 2013-04-17 | 歌尔声学股份有限公司 | 一种用于小型免提语音通讯系统中的回声消除装置和方法 |
CN203104592U (zh) * | 2012-12-20 | 2013-07-31 | 歌尔声学股份有限公司 | 一种用于小型免提语音通讯系统中的回声消除装置 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1413127A1 (en) * | 2001-07-20 | 2004-04-28 | Koninklijke Philips Electronics N.V. | Echo canceller having nonlinear echo suppressor for harmonics calculations |
US20040249257A1 (en) * | 2003-06-04 | 2004-12-09 | Tupin Joe Paul | Article of manufacture for extracting physiological data using ultra-wideband radar and improved signal processing techniques |
JP4709714B2 (ja) * | 2006-08-29 | 2011-06-22 | 日本電信電話株式会社 | エコー消去装置、その方法、そのプログラム、およびその記録媒体 |
JP2008263441A (ja) * | 2007-04-12 | 2008-10-30 | Matsushita Electric Ind Co Ltd | 非線形エコーキャンセラ装置 |
JP5394373B2 (ja) * | 2007-06-21 | 2014-01-22 | コーニンクレッカ フィリップス エヌ ヴェ | オーディオ信号を処理する装置及び方法 |
JP4700673B2 (ja) * | 2007-11-15 | 2011-06-15 | 日本電信電話株式会社 | エコー消去方法、装置、プログラム、および記録媒体 |
NZ706162A (en) * | 2012-10-23 | 2018-07-27 | Interactive Intelligence Inc | System and method for acoustic echo cancellation |
-
2012
- 2012-12-20 CN CN201210556804.0A patent/CN103051818B/zh active Active
-
2013
- 2013-12-12 WO PCT/CN2013/001558 patent/WO2014094359A1/zh active Application Filing
- 2013-12-12 EP EP13864322.6A patent/EP2858338B1/en active Active
- 2013-12-12 DK DK13864322.6T patent/DK2858338T3/en active
- 2013-12-12 KR KR1020147037065A patent/KR101532531B1/ko active IP Right Grant
- 2013-12-12 JP JP2015524602A patent/JP5844502B2/ja active Active
- 2013-12-12 US US14/411,669 patent/US9325855B2/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20030039353A1 (en) * | 2001-08-13 | 2003-02-27 | Fujitsu Limited | Echo cancellation processing system |
CN102387273A (zh) * | 2011-07-08 | 2012-03-21 | 歌尔声学股份有限公司 | 一种抑制残留回声的方法和装置 |
CN202197344U (zh) * | 2011-07-08 | 2012-04-18 | 歌尔声学股份有限公司 | 送话器阵列回声消除系统 |
CN103051818A (zh) * | 2012-12-20 | 2013-04-17 | 歌尔声学股份有限公司 | 一种用于小型免提语音通讯系统中的回声消除装置和方法 |
CN203104592U (zh) * | 2012-12-20 | 2013-07-31 | 歌尔声学股份有限公司 | 一种用于小型免提语音通讯系统中的回声消除装置 |
Non-Patent Citations (1)
Title |
---|
See also references of EP2858338A4 * |
Also Published As
Publication number | Publication date |
---|---|
EP2858338B1 (en) | 2017-08-23 |
KR20150008508A (ko) | 2015-01-22 |
DK2858338T3 (en) | 2017-10-16 |
EP2858338A4 (en) | 2015-12-09 |
JP2015526045A (ja) | 2015-09-07 |
CN103051818A (zh) | 2013-04-17 |
CN103051818B (zh) | 2014-10-29 |
US20150172468A1 (en) | 2015-06-18 |
US9325855B2 (en) | 2016-04-26 |
KR101532531B1 (ko) | 2015-06-29 |
EP2858338A1 (en) | 2015-04-08 |
JP5844502B2 (ja) | 2016-01-20 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2014094359A1 (zh) | 一种用于小型免提语音通讯系统中的回声消除装置和方法 | |
CN110838300B (zh) | 回声消除的处理方法及处理系统 | |
US20090089054A1 (en) | Apparatus and method of noise and echo reduction in multiple microphone audio systems | |
JP5479655B2 (ja) | 残留エコーを抑制するための方法及び装置 | |
US9947337B1 (en) | Echo cancellation system and method with reduced residual echo | |
US20040018860A1 (en) | Acoustic echo suppressor for hands-free speech communication | |
CN103077726B (zh) | 用于线性声学回声消除系统的预处理和后处理 | |
US20110181452A1 (en) | Usage of Speaker Microphone for Sound Enhancement | |
US9083782B2 (en) | Dual beamform audio echo reduction | |
US20080112568A1 (en) | Echo Canceller and Communication Audio Processing Apparatus | |
US8934620B2 (en) | Acoustic echo cancellation for high noise and excessive double talk | |
EP2845189A1 (en) | A universal reconfigurable echo cancellation system | |
WO2006111369A1 (en) | A method and device for removing echo in an audio signal | |
CN109273019B (zh) | 用于回声抑制的双重通话检测的方法及回声抑制 | |
CN107005268B (zh) | 回波消除装置和回波消除方法 | |
US8369511B2 (en) | Robust method of echo suppressor | |
CN203104592U (zh) | 一种用于小型免提语音通讯系统中的回声消除装置 | |
EP2802157B1 (en) | Dual beamform audio echo reduction | |
Motar et al. | Echo Cancellation in Telecommunications Using Variable Step-Size, Dynamic Selection, Affine Projection Algorithm. | |
Garg et al. | An adaptive hybrid approach for echo cancellation in telephone system | |
CN117238306A (zh) | 一种基于双麦克风的语音活动检测与环境噪声消除方法 | |
Haque et al. | Acoustic Echo Cancellation for the Advancement in Telecommunication | |
JPWO2013160945A1 (ja) | エコー消去装置 | |
Fukui et al. | 20-kHz frequency-range acoustic echo canceller for high-quality TV conferencing |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 13864322 Country of ref document: EP Kind code of ref document: A1 |
|
ENP | Entry into the national phase |
Ref document number: 2015524602 Country of ref document: JP Kind code of ref document: A |
|
WWE | Wipo information: entry into national phase |
Ref document number: 14411669 Country of ref document: US |
|
ENP | Entry into the national phase |
Ref document number: 20147037065 Country of ref document: KR Kind code of ref document: A |
|
REEP | Request for entry into the european phase |
Ref document number: 2013864322 Country of ref document: EP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2013864322 Country of ref document: EP |
|
NENP | Non-entry into the national phase |
Ref country code: DE |