CN113077809A - 一种回声消除方法、装置、设备及存储介质 - Google Patents
一种回声消除方法、装置、设备及存储介质 Download PDFInfo
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- CN113077809A CN113077809A CN202110308518.1A CN202110308518A CN113077809A CN 113077809 A CN113077809 A CN 113077809A CN 202110308518 A CN202110308518 A CN 202110308518A CN 113077809 A CN113077809 A CN 113077809A
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- 238000000034 method Methods 0.000 title claims abstract description 37
- 238000004590 computer program Methods 0.000 claims description 10
- 238000011478 gradient descent method Methods 0.000 claims description 6
- 238000005516 engineering process Methods 0.000 abstract description 6
- 230000001629 suppression Effects 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 11
- 230000003287 optical effect Effects 0.000 description 8
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- 230000003044 adaptive effect Effects 0.000 description 4
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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
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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
-
- 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
- G10L2021/02161—Number of inputs available containing the signal or the noise to be suppressed
- G10L2021/02166—Microphone arrays; Beamforming
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- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
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CN202110308518.1A CN113077809B (zh) | 2021-03-23 | 2021-03-23 | 一种回声消除方法、装置、设备及存储介质 |
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Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102968999A (zh) * | 2011-11-18 | 2013-03-13 | 斯凯普公司 | 处理音频信号 |
US9659555B1 (en) * | 2016-02-09 | 2017-05-23 | Amazon Technologies, Inc. | Multichannel acoustic echo cancellation |
CN108376548A (zh) * | 2018-01-16 | 2018-08-07 | 厦门亿联网络技术股份有限公司 | 一种基于麦克风阵列的回声消除方法与系统 |
CN108447496A (zh) * | 2018-06-22 | 2018-08-24 | 成都瑞可利信息科技有限公司 | 一种基于麦克风阵列的语音增强方法及装置 |
CN108932949A (zh) * | 2018-09-05 | 2018-12-04 | 科大讯飞股份有限公司 | 一种参考信号获取方法及装置 |
US20200275202A1 (en) * | 2019-02-27 | 2020-08-27 | Crestron Electronics, Inc. | Millimeter wave sensor used to optimize performance of a beamforming microphone array |
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2021
- 2021-03-23 CN CN202110308518.1A patent/CN113077809B/zh active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102968999A (zh) * | 2011-11-18 | 2013-03-13 | 斯凯普公司 | 处理音频信号 |
US9659555B1 (en) * | 2016-02-09 | 2017-05-23 | Amazon Technologies, Inc. | Multichannel acoustic echo cancellation |
CN108376548A (zh) * | 2018-01-16 | 2018-08-07 | 厦门亿联网络技术股份有限公司 | 一种基于麦克风阵列的回声消除方法与系统 |
CN108447496A (zh) * | 2018-06-22 | 2018-08-24 | 成都瑞可利信息科技有限公司 | 一种基于麦克风阵列的语音增强方法及装置 |
CN108932949A (zh) * | 2018-09-05 | 2018-12-04 | 科大讯飞股份有限公司 | 一种参考信号获取方法及装置 |
US20200275202A1 (en) * | 2019-02-27 | 2020-08-27 | Crestron Electronics, Inc. | Millimeter wave sensor used to optimize performance of a beamforming microphone array |
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