CN109361827B - 一种通信终端的回音二次抑制方法 - Google Patents
一种通信终端的回音二次抑制方法 Download PDFInfo
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- CN109361827B CN109361827B CN201811231031.2A CN201811231031A CN109361827B CN 109361827 B CN109361827 B CN 109361827B CN 201811231031 A CN201811231031 A CN 201811231031A CN 109361827 B CN109361827 B CN 109361827B
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- 238000000034 method Methods 0.000 title claims abstract description 20
- 230000006854 communication Effects 0.000 title claims abstract description 15
- 238000004891 communication Methods 0.000 title claims abstract description 13
- 230000001629 suppression Effects 0.000 title claims abstract description 9
- 238000012545 processing Methods 0.000 claims abstract description 12
- 238000001514 detection method Methods 0.000 claims description 22
- 238000012360 testing method Methods 0.000 claims description 8
- 230000001960 triggered effect Effects 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 3
- 230000006870 function Effects 0.000 description 10
- 230000008569 process Effects 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000012935 Averaging Methods 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
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- 230000000994 depressogenic effect Effects 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000005236 sound signal Effects 0.000 description 1
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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
- H04M9/082—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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Citations (12)
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WO2000070853A2 (en) * | 1999-05-12 | 2000-11-23 | Ericsson Inc. | Volume control for a communications device including an echo canceller |
JP2008124678A (ja) * | 2006-11-10 | 2008-05-29 | Mitsubishi Electric Corp | エコー処理プロセッサおよび音声通信装置 |
CN102044253A (zh) * | 2010-10-29 | 2011-05-04 | 深圳创维-Rgb电子有限公司 | 一种回声信号处理方法、系统及电视机 |
CN102347785A (zh) * | 2010-07-23 | 2012-02-08 | 联芯科技有限公司 | 一种回声消除方法及装置 |
CN103491488A (zh) * | 2013-09-30 | 2014-01-01 | 天脉聚源(北京)传媒科技有限公司 | 一种麦克风回音消除方法及装置 |
US9031838B1 (en) * | 2013-07-15 | 2015-05-12 | Vail Systems, Inc. | Method and apparatus for voice clarity and speech intelligibility detection and correction |
CN105744084A (zh) * | 2016-04-29 | 2016-07-06 | 青岛海信移动通信技术股份有限公司 | 移动终端及提升移动终端通话音质的方法 |
CN106297815A (zh) * | 2016-07-27 | 2017-01-04 | 武汉诚迈科技有限公司 | 一种语音识别场景中回音消除的方法 |
CN106657700A (zh) * | 2017-01-11 | 2017-05-10 | 广州广有通信设备有限公司 | 一种能消除回声的免提通话装置及其控制方法 |
CN106849976A (zh) * | 2016-12-28 | 2017-06-13 | 深圳天珑无线科技有限公司 | 一种免提通话时回声消除方法及通信终端 |
CN107277209A (zh) * | 2017-07-27 | 2017-10-20 | 维沃移动通信有限公司 | 一种通话调整方法及移动终端 |
CN108055417A (zh) * | 2017-12-26 | 2018-05-18 | 杭州叙简科技股份有限公司 | 一种基于语音检测回音抑制切换音频处理系统及方法 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20040228472A1 (en) * | 2003-05-14 | 2004-11-18 | Mohamed El-Hennawey | Method and apparatus for controlling the transmit level of telephone terminal equipment |
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 |
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2018
- 2018-10-22 CN CN201811231031.2A patent/CN109361827B/zh active Active
Patent Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2000070853A2 (en) * | 1999-05-12 | 2000-11-23 | Ericsson Inc. | Volume control for a communications device including an echo canceller |
JP2008124678A (ja) * | 2006-11-10 | 2008-05-29 | Mitsubishi Electric Corp | エコー処理プロセッサおよび音声通信装置 |
CN102347785A (zh) * | 2010-07-23 | 2012-02-08 | 联芯科技有限公司 | 一种回声消除方法及装置 |
CN102044253A (zh) * | 2010-10-29 | 2011-05-04 | 深圳创维-Rgb电子有限公司 | 一种回声信号处理方法、系统及电视机 |
US9031838B1 (en) * | 2013-07-15 | 2015-05-12 | Vail Systems, Inc. | Method and apparatus for voice clarity and speech intelligibility detection and correction |
CN103491488A (zh) * | 2013-09-30 | 2014-01-01 | 天脉聚源(北京)传媒科技有限公司 | 一种麦克风回音消除方法及装置 |
CN105744084A (zh) * | 2016-04-29 | 2016-07-06 | 青岛海信移动通信技术股份有限公司 | 移动终端及提升移动终端通话音质的方法 |
CN106297815A (zh) * | 2016-07-27 | 2017-01-04 | 武汉诚迈科技有限公司 | 一种语音识别场景中回音消除的方法 |
CN106849976A (zh) * | 2016-12-28 | 2017-06-13 | 深圳天珑无线科技有限公司 | 一种免提通话时回声消除方法及通信终端 |
CN106657700A (zh) * | 2017-01-11 | 2017-05-10 | 广州广有通信设备有限公司 | 一种能消除回声的免提通话装置及其控制方法 |
CN107277209A (zh) * | 2017-07-27 | 2017-10-20 | 维沃移动通信有限公司 | 一种通话调整方法及移动终端 |
CN108055417A (zh) * | 2017-12-26 | 2018-05-18 | 杭州叙简科技股份有限公司 | 一种基于语音检测回音抑制切换音频处理系统及方法 |
Non-Patent Citations (2)
Title |
---|
《VOIP的相关技术-回声消除技术的研究》;王权海,李灿平,李梅娜;《电脑与信息技术》;20030331(第3期);全文 * |
《手机VoIP残余回声抑制技术的研究》;梁鸿斌;《通信技术》;20140731;第47卷(第7期);全文 * |
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Denomination of invention: An echo secondary suppression method for communication terminal Effective date of registration: 20211202 Granted publication date: 20210209 Pledgee: Hangzhou High-tech Financing Guarantee Co.,Ltd. Pledgor: HANGZHOU XUJIAN SCIENCE AND TECHNOLOGY Co.,Ltd. Registration number: Y2021980013922 |
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Denomination of invention: An echo secondary suppression method for communication terminal Effective date of registration: 20220322 Granted publication date: 20210209 Pledgee: Shanghai Guotai Junan Securities Asset Management Co.,Ltd. Pledgor: HANGZHOU XUJIAN SCIENCE AND TECHNOLOGY Co.,Ltd. Registration number: Y2022990000162 |
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Date of cancellation: 20230131 Granted publication date: 20210209 Pledgee: Shanghai Guotai Junan Securities Asset Management Co.,Ltd. Pledgor: HANGZHOU XUJIAN SCIENCE AND TECHNOLOGY Co.,Ltd. Registration number: Y2022990000162 |
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