CN110191245B - 一种基于时变参数的自适应回声消除方法 - Google Patents
一种基于时变参数的自适应回声消除方法 Download PDFInfo
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- CN110191245B CN110191245B CN201910618086.7A CN201910618086A CN110191245B CN 110191245 B CN110191245 B CN 110191245B CN 201910618086 A CN201910618086 A CN 201910618086A CN 110191245 B CN110191245 B CN 110191245B
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- 238000000034 method Methods 0.000 title claims abstract description 29
- 230000003044 adaptive effect Effects 0.000 claims abstract description 40
- 238000005070 sampling Methods 0.000 claims abstract description 9
- 241001366338 Celastrina echo Species 0.000 claims abstract description 4
- 238000004364 calculation method Methods 0.000 claims description 13
- 239000011159 matrix material Substances 0.000 claims description 13
- PXFBZOLANLWPMH-UHFFFAOYSA-N 16-Epiaffinine Natural products C1C(C2=CC=CC=C2N2)=C2C(=O)CC2C(=CC)CN(C)C1C2CO PXFBZOLANLWPMH-UHFFFAOYSA-N 0.000 claims description 6
- 241000117148 Brachycentrus echo Species 0.000 claims description 3
- 238000009499 grossing Methods 0.000 claims description 3
- 230000003068 static effect Effects 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- 230000001629 suppression Effects 0.000 claims description 3
- 230000017105 transposition Effects 0.000 claims description 3
- 238000004891 communication Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 4
- 230000006870 function Effects 0.000 description 15
- 238000004422 calculation algorithm Methods 0.000 description 7
- 238000004088 simulation Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002592 echocardiography Methods 0.000 description 1
- 238000001914 filtration Methods 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
- H04M9/085—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
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- Signal Processing (AREA)
- Filters That Use Time-Delay Elements (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
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CN110191245B true CN110191245B (zh) | 2021-06-22 |
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Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110572525B (zh) * | 2019-10-30 | 2021-05-07 | 西南交通大学 | 一种用于语音通信的自适应通信回声消除方法 |
US11837248B2 (en) * | 2019-12-18 | 2023-12-05 | Dolby Laboratories Licensing Corporation | Filter adaptation step size control for echo cancellation |
CN111028856B (zh) * | 2020-01-08 | 2022-01-28 | 西南交通大学 | 一种变步长的回声消除方法 |
CN114172490A (zh) * | 2021-12-08 | 2022-03-11 | 哈尔滨工程大学 | 一种基于Ekblom范数的鲁棒自适应噪声消除方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN103369162A (zh) * | 2013-07-09 | 2013-10-23 | 西南交通大学 | 一种低复杂度的电话回声自适应消除方法 |
CN104683614A (zh) * | 2015-03-24 | 2015-06-03 | 西南交通大学 | 基于m估计的记忆成比例仿射投影自适应回声消除方法 |
CN107369458A (zh) * | 2017-07-07 | 2017-11-21 | 西南交通大学 | 一种基于熵吸引的最大熵子带回声消除方法 |
CN109102794A (zh) * | 2018-07-24 | 2018-12-28 | 西南交通大学 | 基于凸组合的m估计成比例类仿射投影的回声消除方法 |
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US20110140949A1 (en) * | 2009-12-16 | 2011-06-16 | Electronics And Telecommunications Research Institute | Mimo radar apparatus and wireless communication method using the same |
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Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103369162A (zh) * | 2013-07-09 | 2013-10-23 | 西南交通大学 | 一种低复杂度的电话回声自适应消除方法 |
CN104683614A (zh) * | 2015-03-24 | 2015-06-03 | 西南交通大学 | 基于m估计的记忆成比例仿射投影自适应回声消除方法 |
CN107369458A (zh) * | 2017-07-07 | 2017-11-21 | 西南交通大学 | 一种基于熵吸引的最大熵子带回声消除方法 |
CN109102794A (zh) * | 2018-07-24 | 2018-12-28 | 西南交通大学 | 基于凸组合的m估计成比例类仿射投影的回声消除方法 |
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