CN111028856A - 一种变步长的回声消除方法 - Google Patents
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- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000005070 sampling Methods 0.000 claims abstract description 12
- 241001366338 Celastrina echo Species 0.000 claims abstract description 4
- 230000003044 adaptive effect Effects 0.000 claims description 16
- 238000004364 calculation method Methods 0.000 claims description 7
- 241000117148 Brachycentrus echo Species 0.000 claims description 3
- 238000012937 correction Methods 0.000 claims description 3
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- 238000004891 communication Methods 0.000 description 6
- 238000002592 echocardiography Methods 0.000 description 3
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
- G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
- G10L21/0208—Noise filtering
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
- G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
- G10L21/0208—Noise filtering
- G10L21/0216—Noise filtering characterised by the method used for estimating noise
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
- G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
- G10L21/0208—Noise filtering
- G10L2021/02082—Noise filtering the noise being echo, reverberation of the speech
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- Audiology, Speech & Language Pathology (AREA)
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- Physics & Mathematics (AREA)
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111795791A (zh) * | 2020-07-06 | 2020-10-20 | 浙江大学 | 一种变步长液压振动台自适应幅相控制方法 |
CN111916099A (zh) * | 2020-10-13 | 2020-11-10 | 南京天悦电子科技有限公司 | 一种变步长助听器自适应回声消除装置及回声消除方法 |
CN112087178A (zh) * | 2020-09-14 | 2020-12-15 | 四川长虹电器股份有限公司 | 一种永磁同步电机的参数识别方法 |
CN114513755A (zh) * | 2022-02-09 | 2022-05-17 | 哈尔滨工程大学 | 一种智慧城市5g大数据定位系统的信号提取识别方法 |
CN117789691A (zh) * | 2024-02-27 | 2024-03-29 | 苏州大学 | 一种用于电话通信的回声消除方法及系统 |
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CN106128471A (zh) * | 2016-08-26 | 2016-11-16 | 西南交通大学 | 一种收缩变步长子带回声消除方法 |
CN107333017A (zh) * | 2017-05-22 | 2017-11-07 | 西南交通大学 | 一种重用权系数指数型误差自适应回声消除方法 |
CN108172233A (zh) * | 2017-12-12 | 2018-06-15 | 天格科技(杭州)有限公司 | 基于远端估计信号和误差信号回归因子的回声消除方法 |
CN109040499A (zh) * | 2018-08-14 | 2018-12-18 | 西南交通大学 | 一种抗冲击干扰的自适应回声消除方法 |
CN109754813A (zh) * | 2019-03-26 | 2019-05-14 | 南京时保联信息科技有限公司 | 基于快速收敛特性的变步长回声消除方法 |
CN110191245A (zh) * | 2019-07-10 | 2019-08-30 | 西南交通大学 | 一种基于时变参数的自适应回声消除方法 |
CN110572525A (zh) * | 2019-10-30 | 2019-12-13 | 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 |
-
2020
- 2020-01-08 CN CN202010017508.8A patent/CN111028856B/zh active Active
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US7333605B1 (en) * | 2002-04-27 | 2008-02-19 | Fortemedia, Inc. | Acoustic echo cancellation with adaptive step size and stability control |
CN101043560A (zh) * | 2006-03-22 | 2007-09-26 | 北京大学深圳研究生院 | 回声消除器及回声消除方法 |
US20080175375A1 (en) * | 2007-01-24 | 2008-07-24 | Oki Electric Industry Co., Ltd. | Echo canceler and echo canceling method |
CN101272161A (zh) * | 2008-04-30 | 2008-09-24 | 中山大学 | 一种自适应回声消除的方法 |
US20130322638A1 (en) * | 2012-06-02 | 2013-12-05 | Yuan Ze University | Method for acoustic echo cancellation and system thereof |
US20140112488A1 (en) * | 2012-10-23 | 2014-04-24 | Electronics And Telecommunications Research Institute | Method and apparatus for canceling acoustic echo, and method for updating adaptive filter coefficient by the apparatus |
CN104883462A (zh) * | 2014-02-28 | 2015-09-02 | 中国科学院声学研究所 | 一种用于消除声学回声的自适应滤波器及滤波方法 |
CN106128471A (zh) * | 2016-08-26 | 2016-11-16 | 西南交通大学 | 一种收缩变步长子带回声消除方法 |
CN107333017A (zh) * | 2017-05-22 | 2017-11-07 | 西南交通大学 | 一种重用权系数指数型误差自适应回声消除方法 |
CN108172233A (zh) * | 2017-12-12 | 2018-06-15 | 天格科技(杭州)有限公司 | 基于远端估计信号和误差信号回归因子的回声消除方法 |
CN109040499A (zh) * | 2018-08-14 | 2018-12-18 | 西南交通大学 | 一种抗冲击干扰的自适应回声消除方法 |
CN109754813A (zh) * | 2019-03-26 | 2019-05-14 | 南京时保联信息科技有限公司 | 基于快速收敛特性的变步长回声消除方法 |
CN110191245A (zh) * | 2019-07-10 | 2019-08-30 | 西南交通大学 | 一种基于时变参数的自适应回声消除方法 |
CN110572525A (zh) * | 2019-10-30 | 2019-12-13 | 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 |
Non-Patent Citations (3)
Title |
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PALEOLOGU C: ""Variable step-size NLMS algorithms designed for echo cancellation"", 《IEEE》 * |
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Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111795791A (zh) * | 2020-07-06 | 2020-10-20 | 浙江大学 | 一种变步长液压振动台自适应幅相控制方法 |
CN111795791B (zh) * | 2020-07-06 | 2021-06-04 | 浙江大学 | 一种变步长液压振动台自适应幅相控制方法 |
CN112087178A (zh) * | 2020-09-14 | 2020-12-15 | 四川长虹电器股份有限公司 | 一种永磁同步电机的参数识别方法 |
CN111916099A (zh) * | 2020-10-13 | 2020-11-10 | 南京天悦电子科技有限公司 | 一种变步长助听器自适应回声消除装置及回声消除方法 |
CN114513755A (zh) * | 2022-02-09 | 2022-05-17 | 哈尔滨工程大学 | 一种智慧城市5g大数据定位系统的信号提取识别方法 |
CN114513755B (zh) * | 2022-02-09 | 2024-02-09 | 山西并和利马信息技术有限公司 | 一种智慧城市5g大数据定位系统的信号提取识别方法 |
CN117789691A (zh) * | 2024-02-27 | 2024-03-29 | 苏州大学 | 一种用于电话通信的回声消除方法及系统 |
CN117789691B (zh) * | 2024-02-27 | 2024-05-03 | 苏州大学 | 一种用于电话通信的回声消除方法及系统 |
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