HK1057639A1 - Noise reduction method and device - Google Patents

Noise reduction method and device

Info

Publication number
HK1057639A1
HK1057639A1 HK03109037.3A HK03109037A HK1057639A1 HK 1057639 A1 HK1057639 A1 HK 1057639A1 HK 03109037 A HK03109037 A HK 03109037A HK 1057639 A1 HK1057639 A1 HK 1057639A1
Authority
HK
Hong Kong
Prior art keywords
noise
level estimator
transfer function
useful signal
signal level
Prior art date
Application number
HK03109037.3A
Other languages
English (en)
Inventor
Pascal Scalart
Claude Marro
Laurent Mauuary
Original Assignee
France Telecom
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=8859390&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=HK1057639(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by France Telecom filed Critical France Telecom
Publication of HK1057639A1 publication Critical patent/HK1057639A1/xx

Links

Classifications

    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L21/00—Vacuum gauges
    • G01L21/02—Vacuum gauges having a compression chamber in which gas, whose pressure is to be measured, is compressed

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Quality & Reliability (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Multimedia (AREA)
  • Computational Linguistics (AREA)
  • General Physics & Mathematics (AREA)
  • Noise Elimination (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Superconductors And Manufacturing Methods Therefor (AREA)
  • Filters That Use Time-Delay Elements (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Stereo-Broadcasting Methods (AREA)
HK03109037.3A 2001-01-30 2003-12-11 Noise reduction method and device HK1057639A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0101220A FR2820227B1 (fr) 2001-01-30 2001-01-30 Procede et dispositif de reduction de bruit
PCT/FR2001/003624 WO2002061731A1 (fr) 2001-01-30 2001-11-19 Procede et dispositif de reduction de bruit

Publications (1)

Publication Number Publication Date
HK1057639A1 true HK1057639A1 (en) 2004-04-08

Family

ID=8859390

Family Applications (1)

Application Number Title Priority Date Filing Date
HK03109037.3A HK1057639A1 (en) 2001-01-30 2003-12-11 Noise reduction method and device

Country Status (14)

Country Link
US (1) US7313518B2 (xx)
EP (1) EP1356461B1 (xx)
JP (1) JP4210521B2 (xx)
KR (1) KR100549133B1 (xx)
CN (1) CN1284139C (xx)
AT (1) ATE472794T1 (xx)
BR (1) BRPI0116844B1 (xx)
CA (1) CA2436318C (xx)
DE (1) DE60142490D1 (xx)
ES (1) ES2347760T3 (xx)
FR (1) FR2820227B1 (xx)
HK (1) HK1057639A1 (xx)
MX (1) MXPA03006667A (xx)
WO (1) WO2002061731A1 (xx)

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US8073689B2 (en) * 2003-02-21 2011-12-06 Qnx Software Systems Co. Repetitive transient noise removal
US7949522B2 (en) 2003-02-21 2011-05-24 Qnx Software Systems Co. System for suppressing rain noise
US7885420B2 (en) 2003-02-21 2011-02-08 Qnx Software Systems Co. Wind noise suppression system
US8326621B2 (en) 2003-02-21 2012-12-04 Qnx Software Systems Limited Repetitive transient noise removal
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US7516069B2 (en) * 2004-04-13 2009-04-07 Texas Instruments Incorporated Middle-end solution to robust speech recognition
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CN101031963B (zh) * 2004-09-16 2010-09-15 法国电信 处理有噪声的声音信号的方法以及实现该方法的装置
US7383179B2 (en) * 2004-09-28 2008-06-03 Clarity Technologies, Inc. Method of cascading noise reduction algorithms to avoid speech distortion
KR100565086B1 (ko) * 2004-10-13 2006-03-30 삼성전자주식회사 뮤지컬 잡음을 감쇄하는 스펙트럼 잡음 제거 방법 및 그장치
KR101237546B1 (ko) * 2005-01-31 2013-02-26 스카이프 통신 시스템에서 프레임들을 연결하는 방법
FR2888458A1 (fr) * 2005-07-11 2007-01-12 France Telecom Procede et dispositif de prise de son, notamment dans des terminaux telephoniques en "mains libres"
JP4765461B2 (ja) * 2005-07-27 2011-09-07 日本電気株式会社 雑音抑圧システムと方法及びプログラム
ATE513277T1 (de) * 2006-01-31 2011-07-15 Canadian Space Agency Verfahren und system zur vergrösserung des rauschabstands
JP4827661B2 (ja) * 2006-08-30 2011-11-30 富士通株式会社 信号処理方法及び装置
JP4653059B2 (ja) * 2006-11-10 2011-03-16 オリンパス株式会社 撮像システム、画像処理プログラム
DE602007004217D1 (de) * 2007-08-31 2010-02-25 Harman Becker Automotive Sys Schnelle Schätzung der Spektraldichte der Rauschleistung zur Sprachsignalverbesserung
ATE456130T1 (de) * 2007-10-29 2010-02-15 Harman Becker Automotive Sys Partielle sprachrekonstruktion
US20100151118A1 (en) * 2008-12-17 2010-06-17 Eastman Chemical Company Carrier solvent compositions, coatings compositions, and methods to produce thick polymer coatings
US9449611B2 (en) * 2011-09-30 2016-09-20 Audionamix System and method for extraction of single-channel time domain component from mixture of coherent information
US8712076B2 (en) 2012-02-08 2014-04-29 Dolby Laboratories Licensing Corporation Post-processing including median filtering of noise suppression gains
US9173025B2 (en) 2012-02-08 2015-10-27 Dolby Laboratories Licensing Corporation Combined suppression of noise, echo, and out-of-location signals
WO2012126415A2 (zh) * 2012-05-04 2012-09-27 华为技术有限公司 一种信号发送方法、通信设备及系统
CN103916733B (zh) * 2013-01-05 2017-09-26 中国科学院声学研究所 基于均方误差最小准则的声能量对比控制方法及系统
CN103916730B (zh) * 2013-01-05 2017-03-08 中国科学院声学研究所 一种能够改善音质的声场聚焦方法及系统
US9318125B2 (en) * 2013-01-15 2016-04-19 Intel Deutschland Gmbh Noise reduction devices and noise reduction methods
CA2916150C (en) 2013-06-21 2019-06-18 Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. Apparatus and method realizing improved concepts for tcx ltp
US10149047B2 (en) * 2014-06-18 2018-12-04 Cirrus Logic Inc. Multi-aural MMSE analysis techniques for clarifying audio signals
EP3456067B1 (en) * 2016-05-09 2022-12-28 Harman International Industries, Incorporated Noise detection and noise reduction
CN108848435B (zh) * 2018-09-28 2021-03-09 广州方硅信息技术有限公司 一种音频信号的处理方法和相关装置
CN110010144A (zh) * 2019-04-24 2019-07-12 厦门亿联网络技术股份有限公司 语音信号增强方法及装置
CN111402917B (zh) 2020-03-13 2023-08-04 北京小米松果电子有限公司 音频信号处理方法及装置、存储介质
CN111968615A (zh) * 2020-08-31 2020-11-20 Oppo广东移动通信有限公司 降噪处理方法及装置、终端设备和可读存储介质
CN112489615A (zh) * 2020-10-29 2021-03-12 宁波方太厨具有限公司 降噪方法、降噪系统、降噪装置及吸油烟机
CN112960012B (zh) * 2021-02-03 2022-05-31 中国铁道科学研究院集团有限公司节能环保劳卫研究所 基于阈值归一化短时功率谱密度的高速铁路钢轨波磨声学诊断方法
KR20240048109A (ko) 2022-10-06 2024-04-15 주식회사 쿱와 센싱신호로부터 노이즈를 제거하기 위한 장치 및 노이즈 제거하기 위한 방법
CN116952356A (zh) * 2023-07-24 2023-10-27 中国人民解放军海军工程大学 基于浅海环境水下声全息技术的近场辐射噪声测量方法
CN116952355B (zh) * 2023-07-24 2024-05-14 中国人民解放军海军工程大学 一种浅海环境近场辐射噪声测量系统及终端

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FR2726392B1 (fr) * 1994-10-28 1997-01-10 Alcatel Mobile Comm France Procede et dispositif de suppression de bruit dans un signal de parole, et systeme avec annulation d'echo correspondant
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JP2760373B2 (ja) * 1995-03-03 1998-05-28 日本電気株式会社 雑音消去装置
JP2874679B2 (ja) 1997-01-29 1999-03-24 日本電気株式会社 雑音消去方法及びその装置
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US6549586B2 (en) * 1999-04-12 2003-04-15 Telefonaktiebolaget L M Ericsson System and method for dual microphone signal noise reduction using spectral subtraction
US6792405B2 (en) * 1999-12-10 2004-09-14 At&T Corp. Bitstream-based feature extraction method for a front-end speech recognizer

Also Published As

Publication number Publication date
FR2820227B1 (fr) 2003-04-18
CA2436318C (fr) 2007-09-04
US7313518B2 (en) 2007-12-25
ES2347760T3 (es) 2010-11-04
US20040064307A1 (en) 2004-04-01
MXPA03006667A (es) 2003-10-24
EP1356461B1 (fr) 2010-06-30
CN1284139C (zh) 2006-11-08
JP4210521B2 (ja) 2009-01-21
CN1488136A (zh) 2004-04-07
FR2820227A1 (fr) 2002-08-02
CA2436318A1 (fr) 2002-08-08
JP2004520616A (ja) 2004-07-08
KR20030074762A (ko) 2003-09-19
BRPI0116844B1 (pt) 2015-07-28
DE60142490D1 (de) 2010-08-12
ATE472794T1 (de) 2010-07-15
BR0116844A (pt) 2003-12-16
WO2002061731A1 (fr) 2002-08-08
KR100549133B1 (ko) 2006-02-03
EP1356461A1 (fr) 2003-10-29

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Effective date: 20211118