CN105810202A - 一种降低回声的方法、装置及通讯设备 - Google Patents
一种降低回声的方法、装置及通讯设备 Download PDFInfo
- Publication number
- CN105810202A CN105810202A CN201410854345.3A CN201410854345A CN105810202A CN 105810202 A CN105810202 A CN 105810202A CN 201410854345 A CN201410854345 A CN 201410854345A CN 105810202 A CN105810202 A CN 105810202A
- Authority
- CN
- China
- Prior art keywords
- signal
- echo
- echo signal
- expression formula
- matrix
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 49
- 238000004891 communication Methods 0.000 title claims abstract description 28
- 238000002592 echocardiography Methods 0.000 title abstract 2
- 230000003044 adaptive effect Effects 0.000 claims abstract description 28
- 238000001914 filtration Methods 0.000 claims abstract description 26
- 239000011159 matrix material Substances 0.000 claims description 84
- 238000012545 processing Methods 0.000 claims description 49
- 238000013459 approach Methods 0.000 claims description 43
- 238000001228 spectrum Methods 0.000 claims description 35
- 239000013598 vector Substances 0.000 claims description 19
- 238000012986 modification Methods 0.000 claims description 12
- 230000004048 modification Effects 0.000 claims description 12
- 230000017105 transposition Effects 0.000 claims description 6
- 230000004927 fusion Effects 0.000 claims description 3
- 230000005764 inhibitory process Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 9
- 238000003672 processing method Methods 0.000 description 4
- 230000009977 dual effect Effects 0.000 description 3
- PXFBZOLANLWPMH-UHFFFAOYSA-N 16-Epiaffinine Natural products C1C(C2=CC=CC=C2N2)=C2C(=O)CC2C(=CC)CN(C)C1C2CO PXFBZOLANLWPMH-UHFFFAOYSA-N 0.000 description 2
- 230000002146 bilateral effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000010606 normalization Methods 0.000 description 1
- 230000011514 reflex Effects 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
Landscapes
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Filters That Use Time-Delay Elements (AREA)
Abstract
Description
Claims (13)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410854345.3A CN105810202B (zh) | 2014-12-31 | 2014-12-31 | 一种降低回声的方法、装置及通讯设备 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410854345.3A CN105810202B (zh) | 2014-12-31 | 2014-12-31 | 一种降低回声的方法、装置及通讯设备 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN105810202A true CN105810202A (zh) | 2016-07-27 |
CN105810202B CN105810202B (zh) | 2019-07-02 |
Family
ID=56464956
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201410854345.3A Active CN105810202B (zh) | 2014-12-31 | 2014-12-31 | 一种降低回声的方法、装置及通讯设备 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN105810202B (zh) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106161821A (zh) * | 2016-05-12 | 2016-11-23 | 西南交通大学 | 一种有偏补偿的类仿射投影自适应回声消除方法 |
CN108831497A (zh) * | 2018-05-22 | 2018-11-16 | 出门问问信息科技有限公司 | 一种回声压缩方法及装置、存储介质、电子设备 |
CN109102821A (zh) * | 2018-09-10 | 2018-12-28 | 苏州思必驰信息科技有限公司 | 时延估计方法、系统、存储介质及电子设备 |
CN110389743A (zh) * | 2018-04-16 | 2019-10-29 | 比亚迪股份有限公司 | 车载音频系统及车辆 |
CN111742541A (zh) * | 2017-12-08 | 2020-10-02 | 华为技术有限公司 | 声学回波抵消方法和装置 |
CN111970410A (zh) * | 2020-08-26 | 2020-11-20 | 展讯通信(上海)有限公司 | 回声消除方法及装置、存储介质、终端 |
CN113556652A (zh) * | 2020-04-24 | 2021-10-26 | 阿里巴巴集团控股有限公司 | 语音处理方法、装置、设备及系统 |
WO2022017141A1 (zh) * | 2020-07-21 | 2022-01-27 | 华为技术有限公司 | 滤除回声的方法、电子设备和计算机可读存储介质 |
CN115262439A (zh) * | 2022-06-15 | 2022-11-01 | 浙江高信技术股份有限公司 | 一种降噪护栏及用于城市快速路的主动降噪屏障 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101719969A (zh) * | 2009-11-26 | 2010-06-02 | 美商威睿电通公司 | 判断双端对话的方法、系统以及消除回声的方法和系统 |
CN101763858A (zh) * | 2009-10-19 | 2010-06-30 | 瑞声声学科技(深圳)有限公司 | 双麦克风信号处理方法 |
US20120128168A1 (en) * | 2010-11-18 | 2012-05-24 | Texas Instruments Incorporated | Method and apparatus for noise and echo cancellation for two microphone system subject to cross-talk |
CN102710839A (zh) * | 2012-04-27 | 2012-10-03 | 华为技术有限公司 | 一种提升语音通话效果的方法及通信终端 |
CN103384297A (zh) * | 2012-05-03 | 2013-11-06 | 华为技术有限公司 | 一种电话终端及电话终端的手柄 |
CN103475980A (zh) * | 2013-07-19 | 2013-12-25 | 杭州联汇数字科技有限公司 | 一种自适应声反馈消除方法 |
CN104158990A (zh) * | 2013-05-13 | 2014-11-19 | 英特尔Ip公司 | 用于处理音频信号的方法和音频接收电路 |
-
2014
- 2014-12-31 CN CN201410854345.3A patent/CN105810202B/zh active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101763858A (zh) * | 2009-10-19 | 2010-06-30 | 瑞声声学科技(深圳)有限公司 | 双麦克风信号处理方法 |
CN101719969A (zh) * | 2009-11-26 | 2010-06-02 | 美商威睿电通公司 | 判断双端对话的方法、系统以及消除回声的方法和系统 |
US20120128168A1 (en) * | 2010-11-18 | 2012-05-24 | Texas Instruments Incorporated | Method and apparatus for noise and echo cancellation for two microphone system subject to cross-talk |
CN102710839A (zh) * | 2012-04-27 | 2012-10-03 | 华为技术有限公司 | 一种提升语音通话效果的方法及通信终端 |
CN103384297A (zh) * | 2012-05-03 | 2013-11-06 | 华为技术有限公司 | 一种电话终端及电话终端的手柄 |
CN104158990A (zh) * | 2013-05-13 | 2014-11-19 | 英特尔Ip公司 | 用于处理音频信号的方法和音频接收电路 |
CN103475980A (zh) * | 2013-07-19 | 2013-12-25 | 杭州联汇数字科技有限公司 | 一种自适应声反馈消除方法 |
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106161821A (zh) * | 2016-05-12 | 2016-11-23 | 西南交通大学 | 一种有偏补偿的类仿射投影自适应回声消除方法 |
CN111742541A (zh) * | 2017-12-08 | 2020-10-02 | 华为技术有限公司 | 声学回波抵消方法和装置 |
CN111742541B (zh) * | 2017-12-08 | 2021-11-30 | 华为技术有限公司 | 声学回波抵消方法、装置、存储介质 |
CN110389743A (zh) * | 2018-04-16 | 2019-10-29 | 比亚迪股份有限公司 | 车载音频系统及车辆 |
CN108831497A (zh) * | 2018-05-22 | 2018-11-16 | 出门问问信息科技有限公司 | 一种回声压缩方法及装置、存储介质、电子设备 |
CN108831497B (zh) * | 2018-05-22 | 2020-06-09 | 出门问问信息科技有限公司 | 一种回声压缩方法及装置、存储介质、电子设备 |
CN109102821A (zh) * | 2018-09-10 | 2018-12-28 | 苏州思必驰信息科技有限公司 | 时延估计方法、系统、存储介质及电子设备 |
CN113556652B (zh) * | 2020-04-24 | 2022-08-09 | 阿里巴巴集团控股有限公司 | 语音处理方法、装置、设备及系统 |
CN113556652A (zh) * | 2020-04-24 | 2021-10-26 | 阿里巴巴集团控股有限公司 | 语音处理方法、装置、设备及系统 |
WO2022017141A1 (zh) * | 2020-07-21 | 2022-01-27 | 华为技术有限公司 | 滤除回声的方法、电子设备和计算机可读存储介质 |
CN111970410A (zh) * | 2020-08-26 | 2020-11-20 | 展讯通信(上海)有限公司 | 回声消除方法及装置、存储介质、终端 |
CN115262439A (zh) * | 2022-06-15 | 2022-11-01 | 浙江高信技术股份有限公司 | 一种降噪护栏及用于城市快速路的主动降噪屏障 |
CN115262439B (zh) * | 2022-06-15 | 2024-01-23 | 浙江高信技术股份有限公司 | 一种降噪护栏及用于城市快速路的主动降噪屏障 |
Also Published As
Publication number | Publication date |
---|---|
CN105810202B (zh) | 2019-07-02 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN105810202A (zh) | 一种降低回声的方法、装置及通讯设备 | |
CN109727604B (zh) | 用于语音识别前端的频域回声消除方法及计算机储存介质 | |
US9697846B2 (en) | Method and apparatus for reducing echo | |
CN104883462B (zh) | 一种用于消除声学回声的自适应滤波器及滤波方法 | |
US8811601B2 (en) | Integrated echo cancellation and noise suppression | |
CN105144674B (zh) | 多通道回声消除与噪声抑制 | |
CN108376548B (zh) | 一种基于麦克风阵列的回声消除方法与系统 | |
US20140016794A1 (en) | Echo cancellation system and method with multiple microphones and multiple speakers | |
US9947337B1 (en) | Echo cancellation system and method with reduced residual echo | |
EP4071757A1 (en) | Echo cancellation method and device | |
CN101976565A (zh) | 基于双麦克风语音增强装置及方法 | |
CN101207939A (zh) | 低复杂度的回音补偿 | |
CN107483761A (zh) | 一种回波抑制方法及装置 | |
CN1367977A (zh) | 在回波消除系统中用于改进子频带自适应滤波的方法和装置 | |
KR20040030817A (ko) | 통신 시스템, 에코 제거 수단 및 에코 제거 방법 | |
CN107134281A (zh) | 一种自适应回声消除中自适应滤波器系数更新方法 | |
EP2930917B1 (en) | Method and apparatus for updating filter coefficients of an adaptive echo canceller | |
CN1180602C (zh) | 用于时空回声消除的方法和装置 | |
US7231234B2 (en) | Method and apparatus for reducing echo in a communication system | |
Huang et al. | A study of the MVDR filter for acoustic echo suppression | |
TWI579833B (zh) | 信號處理裝置與信號處理方法 | |
CN113542980B (zh) | 一种抑制扬声器串扰的方法 | |
CN114650340B (zh) | 一种回声消除方法、装置及电子设备 | |
Khoubrouy et al. | A new delayless sub-band filtering method for cancelling the effect of feedback path in hearing aid systems | |
CN105812994A (zh) | 一种降低失真回声的方法及装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20200529 Address after: 8-07, building 6, ronghuiyuan, airport economic core area, Shunyi District, Beijing Patentee after: Xin Xin finance leasing (Beijing) Co.,Ltd. Address before: 201203 Shanghai city Zuchongzhi road Pudong New Area Zhangjiang hi tech park, Spreadtrum Center Building 1, Lane 2288 Patentee before: SPREADTRUM COMMUNICATIONS (SHANGHAI) Co.,Ltd. |
|
TR01 | Transfer of patent right |
Effective date of registration: 20201125 Address after: Room 2502, COFCO Plaza, 990 Nanma Road, Nankai District, Tianjin Patentee after: Xin Xin finance leasing (Tianjin) Co.,Ltd. Address before: 8-07, building 6, ronghuiyuan, airport economic core area, Shunyi District, Beijing Patentee before: Xin Xin finance leasing (Beijing) Co.,Ltd. |
|
TR01 | Transfer of patent right | ||
EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20160727 Assignee: SPREADTRUM COMMUNICATIONS (SHANGHAI) Co.,Ltd. Assignor: Xin Xin finance leasing (Tianjin) Co.,Ltd. Contract record no.: X2021110000055 Denomination of invention: A method, device and communication equipment for reducing echo Granted publication date: 20190702 License type: Exclusive License Record date: 20211227 |
|
EE01 | Entry into force of recordation of patent licensing contract | ||
TR01 | Transfer of patent right |
Effective date of registration: 20230713 Address after: 201203 Shanghai city Zuchongzhi road Pudong New Area Zhangjiang hi tech park, Spreadtrum Center Building 1, Lane 2288 Patentee after: SPREADTRUM COMMUNICATIONS (SHANGHAI) Co.,Ltd. Address before: Room 2502, COFCO Plaza, 990 Nanma Road, Nankai District, Tianjin 300100 Patentee before: Xin Xin finance leasing (Tianjin) Co.,Ltd. |
|
TR01 | Transfer of patent right |