CN109102821B - 时延估计方法、***、存储介质及电子设备 - Google Patents
时延估计方法、***、存储介质及电子设备 Download PDFInfo
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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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Families Citing this family (6)
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CN109584898B (zh) * | 2018-12-29 | 2022-05-31 | 上海瑾盛通信科技有限公司 | 一种语音信号的处理方法、装置、存储介质及电子设备 |
CN111294473B (zh) * | 2019-01-28 | 2022-01-04 | 展讯通信(上海)有限公司 | 信号处理方法及装置 |
CN109862503B (zh) * | 2019-01-30 | 2021-02-23 | 北京雷石天地电子技术有限公司 | 一种扬声器延时自动调整的方法与设备 |
CN110349592B (zh) * | 2019-07-17 | 2021-09-28 | 百度在线网络技术(北京)有限公司 | 用于输出信息的方法和装置 |
CN110992973A (zh) * | 2019-11-29 | 2020-04-10 | 维沃移动通信有限公司 | 一种信号时延的确定方法和电子设备 |
CN111613238B (zh) * | 2020-05-21 | 2023-09-19 | 阿波罗智联(北京)科技有限公司 | 信号之间延时的确定方法、装置、设备以及存储介质 |
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US3369077A (en) * | 1964-06-09 | 1968-02-13 | Ibm | Pitch modification of audio waveforms |
CN1691716A (zh) * | 2004-04-23 | 2005-11-02 | 北京三星通信技术研究有限公司 | 回声消除装置 |
CN101026659B (zh) * | 2006-02-23 | 2010-04-07 | 中兴通讯股份有限公司 | 一种回声延时定位的实现方法 |
CN100524466C (zh) * | 2006-11-24 | 2009-08-05 | 北京中星微电子有限公司 | 一种麦克风回声消除装置及回声消除方法 |
CN101119135B (zh) * | 2007-07-04 | 2010-09-01 | 深圳市融创天下科技发展有限公司 | 一种用于回音消除的步长参数调整方法及设备 |
EP2141696A1 (en) * | 2008-07-03 | 2010-01-06 | Deutsche Thomson OHG | Method for time scaling of a sequence of input signal values |
CN103700374B (zh) * | 2013-12-25 | 2016-08-17 | 宁波菊风***软件有限公司 | 确定声学回声消除中***延时的方法及声学回声消除方法 |
CN104751853B (zh) * | 2013-12-31 | 2019-01-04 | 辰芯科技有限公司 | 双麦克风噪声抑制方法及*** |
CN104038181B (zh) * | 2014-06-05 | 2017-05-17 | 北京航空航天大学 | 一种基于nlms算法的自适应滤波器的构建方法 |
CN105810202B (zh) * | 2014-12-31 | 2019-07-02 | 展讯通信(上海)有限公司 | 一种降低回声的方法、装置及通讯设备 |
CN105472191B (zh) * | 2015-11-18 | 2019-09-20 | 百度在线网络技术(北京)有限公司 | 一种跟踪回声时延的方法和装置 |
EP3273608B1 (en) * | 2016-07-20 | 2022-01-12 | Sennheiser Electronic GmbH & Co. KG | An adaptive filter unit for being used as an echo canceller |
CN106936407B (zh) * | 2017-01-12 | 2021-03-02 | 西南电子技术研究所(中国电子科技集团公司第十研究所) | 频域块最小均方自适应滤波方法 |
CN107123430B (zh) * | 2017-04-12 | 2019-06-04 | 广州视源电子科技股份有限公司 | 回声消除方法、装置、会议平板及计算机存储介质 |
CN107785026B (zh) * | 2017-10-18 | 2020-10-20 | 会听声学科技(北京)有限公司 | 一种用于机顶盒室内回声消除的时延估计方法 |
CN107610713B (zh) * | 2017-10-23 | 2022-02-01 | 科大讯飞股份有限公司 | 基于时延估计的回声消除方法及装置 |
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