CN113170024A - 回声消除方法、延时估计方法、装置、存储介质及设备 - Google Patents

回声消除方法、延时估计方法、装置、存储介质及设备 Download PDF

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Publication number
CN113170024A
CN113170024A CN201880098265.6A CN201880098265A CN113170024A CN 113170024 A CN113170024 A CN 113170024A CN 201880098265 A CN201880098265 A CN 201880098265A CN 113170024 A CN113170024 A CN 113170024A
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Prior art keywords
signal
echo
audio signal
far
frequency
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CN201880098265.6A
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CN113170024B (zh
Inventor
陈岩
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Guangdong Oppo Mobile Telecommunications Corp Ltd
Shenzhen Huantai Technology Co Ltd
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Guangdong Oppo Mobile Telecommunications Corp Ltd
Shenzhen Huantai Technology Co Ltd
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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
    • H04M9/082—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 echo cancellers
    • 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
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Human Computer Interaction (AREA)
  • Quality & Reliability (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Telephone Function (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Circuit For Audible Band Transducer (AREA)

Abstract

一种回声消除方法以及一种延时估计方法，通过上述延时估计方法来估计电子设备的回声路径时延，从而在通话过程中利用该回声路径时延进行回声估计，消除回声，达到提升通话质量的目的。

Description

PCT国内申请，说明书已公开。

Claims (20)

  1. PCT国内申请，权利要求书已公开。
CN201880098265.6A 2018-11-14 2018-11-14 回声消除方法、延时估计方法、装置、存储介质及设备 Active CN113170024B (zh)

Applications Claiming Priority (1)

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PCT/CN2018/115443 WO2020097828A1 (zh) 2018-11-14 2018-11-14 回声消除方法、延时估计方法、装置、存储介质及设备

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CN113170024A true CN113170024A (zh) 2021-07-23
CN113170024B CN113170024B (zh) 2023-08-29

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CN (1) CN113170024B (zh)
WO (1) WO2020097828A1 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114141224A (zh) * 2021-11-30 2022-03-04 北京百度网讯科技有限公司 信号处理方法和装置、电子设备、计算机可读介质

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111798864B (zh) * 2020-07-02 2024-06-04 杭州海康威视数字技术股份有限公司 一种回声消除方法、装置、电子设备及存储介质
CN111863011B (zh) * 2020-07-30 2024-03-12 北京达佳互联信息技术有限公司 音频处理方法及电子设备
CN112562709B (zh) * 2020-11-18 2024-04-19 珠海全志科技股份有限公司 一种回声消除信号处理方法及介质
CN113470675B (zh) * 2021-06-30 2024-06-25 北京小米移动软件有限公司 音频信号处理方法及装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102044253A (zh) * 2010-10-29 2011-05-04 深圳创维－Rgb电子有限公司 一种回声信号处理方法、系统及电视机
CN103700374A (zh) * 2013-12-25 2014-04-02 宁波菊风系统软件有限公司 确定声学回声消除中系统延时的方法及声学回声消除方法
CN106231145A (zh) * 2016-08-31 2016-12-14 广州市百果园网络科技有限公司 一种回声延时处理方法及回声延时处理装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5493817B2 (ja) * 2009-12-17 2014-05-14 沖電気工業株式会社 エコーキャンセラ
CN103391381B (zh) * 2012-05-10 2015-05-20 中兴通讯股份有限公司 回声消除方法及装置
CN105187594B (zh) * 2015-07-28 2018-09-04 小米科技有限责任公司 一种消除回声的方法和装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102044253A (zh) * 2010-10-29 2011-05-04 深圳创维－Rgb电子有限公司 一种回声信号处理方法、系统及电视机
CN103700374A (zh) * 2013-12-25 2014-04-02 宁波菊风系统软件有限公司 确定声学回声消除中系统延时的方法及声学回声消除方法
CN106231145A (zh) * 2016-08-31 2016-12-14 广州市百果园网络科技有限公司 一种回声延时处理方法及回声延时处理装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114141224A (zh) * 2021-11-30 2022-03-04 北京百度网讯科技有限公司 信号处理方法和装置、电子设备、计算机可读介质

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WO2020097828A1 (zh) 2020-05-22

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