CN102223157B - 残留回声消除器和残留回声消除方法 - Google Patents
残留回声消除器和残留回声消除方法 Download PDFInfo
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- CN102223157B CN102223157B CN 201010148454 CN201010148454A CN102223157B CN 102223157 B CN102223157 B CN 102223157B CN 201010148454 CN201010148454 CN 201010148454 CN 201010148454 A CN201010148454 A CN 201010148454A CN 102223157 B CN102223157 B CN 102223157B
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- 238000000034 method Methods 0.000 title claims abstract description 30
- 238000001514 detection method Methods 0.000 claims description 41
- 230000001629 suppression Effects 0.000 claims description 12
- 230000000694 effects Effects 0.000 claims description 11
- 230000002401 inhibitory effect Effects 0.000 claims description 5
- 238000004891 communication Methods 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 abstract description 2
- 238000001228 spectrum Methods 0.000 description 12
- 238000010586 diagram Methods 0.000 description 4
- 238000004364 calculation method Methods 0.000 description 3
- 230000006870 function Effects 0.000 description 2
- 238000009499 grossing Methods 0.000 description 2
- 238000003672 processing method Methods 0.000 description 2
- 208000003028 Stuttering Diseases 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000002592 echocardiography Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000011410 subtraction method Methods 0.000 description 1
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CN 201010148454 CN102223157B (zh) | 2010-04-16 | 2010-04-16 | 残留回声消除器和残留回声消除方法 |
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CN 201010148454 CN102223157B (zh) | 2010-04-16 | 2010-04-16 | 残留回声消除器和残留回声消除方法 |
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CN102223157A CN102223157A (zh) | 2011-10-19 |
CN102223157B true CN102223157B (zh) | 2013-12-18 |
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Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN103067628B (zh) * | 2011-10-20 | 2015-01-07 | 联芯科技有限公司 | 残留回声抑制方法及其装置 |
CN104427143B (zh) * | 2013-09-06 | 2017-02-22 | 联芯科技有限公司 | 残留回声检测方法及*** |
CN106571148B (zh) * | 2016-11-14 | 2020-04-28 | 阔地教育科技有限公司 | 一种音频信号自动增益控制方法及装置 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN1780165A (zh) * | 2004-11-23 | 2006-05-31 | 华为技术有限公司 | 一种回声消除装置和方法 |
CN201294570Y (zh) * | 2008-10-31 | 2009-08-19 | 比亚迪股份有限公司 | 一种用于电话会议***的回声消除装置 |
WO2010035658A1 (ja) * | 2008-09-26 | 2010-04-01 | 日本電気株式会社 | 信号処理方法、信号処理装置、および信号処理プログラム |
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Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN1780165A (zh) * | 2004-11-23 | 2006-05-31 | 华为技术有限公司 | 一种回声消除装置和方法 |
WO2010035658A1 (ja) * | 2008-09-26 | 2010-04-01 | 日本電気株式会社 | 信号処理方法、信号処理装置、および信号処理プログラム |
CN201294570Y (zh) * | 2008-10-31 | 2009-08-19 | 比亚迪股份有限公司 | 一种用于电话会议***的回声消除装置 |
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