BRPI0721316A2 - Método e dispositivo de estimativa de ruído para estimar ruído em dados contendo informação de voz e ruído - Google Patents

Método e dispositivo de estimativa de ruído para estimar ruído em dados contendo informação de voz e ruído

Info

Publication number
BRPI0721316A2
BRPI0721316A2 BRPI0721316-6A2A BRPI0721316A BRPI0721316A2 BR PI0721316 A2 BRPI0721316 A2 BR PI0721316A2 BR PI0721316 A BRPI0721316 A BR PI0721316A BR PI0721316 A2 BRPI0721316 A2 BR PI0721316A2
Authority
BR
Brazil
Prior art keywords
noise
data
containing voice
estimation method
estimating data
Prior art date
Application number
BRPI0721316-6A2A
Other languages
English (en)
Inventor
Koen Vos
Karsten Vandborg Sorensen
Jon Bergenheim
Original Assignee
Skype Ltd
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
Application filed by Skype Ltd filed Critical Skype Ltd
Publication of BRPI0721316A2 publication Critical patent/BRPI0721316A2/pt

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
    • 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
    • G10L21/0232—Processing in the frequency domain

Landscapes

  • Engineering & Computer Science (AREA)
  • Computational Linguistics (AREA)
  • Quality & Reliability (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Noise Elimination (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Dc Digital Transmission (AREA)
  • Near-Field Transmission Systems (AREA)
BRPI0721316-6A2A 2007-02-20 2007-12-20 Método e dispositivo de estimativa de ruído para estimar ruído em dados contendo informação de voz e ruído BRPI0721316A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB0703275.8A GB0703275D0 (en) 2007-02-20 2007-02-20 Method of estimating noise levels in a communication system
PCT/IB2007/004498 WO2008102207A2 (en) 2007-02-20 2007-12-20 Method of estimating noise levels in a communication system

Publications (1)

Publication Number Publication Date
BRPI0721316A2 true BRPI0721316A2 (pt) 2014-02-18

Family

ID=37908947

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0721316-6A2A BRPI0721316A2 (pt) 2007-02-20 2007-12-20 Método e dispositivo de estimativa de ruído para estimar ruído em dados contendo informação de voz e ruído

Country Status (10)

Country Link
US (1) US8838444B2 (pt)
EP (1) EP2132734B1 (pt)
JP (1) JP4927957B2 (pt)
CN (1) CN101641735B (pt)
AT (1) ATE498887T1 (pt)
BR (1) BRPI0721316A2 (pt)
CA (1) CA2679476C (pt)
DE (1) DE602007012596D1 (pt)
GB (1) GB0703275D0 (pt)
WO (1) WO2008102207A2 (pt)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5229234B2 (ja) 2007-12-18 2013-07-03 富士通株式会社 非音声区間検出方法及び非音声区間検出装置
GB0919672D0 (en) * 2009-11-10 2009-12-23 Skype Ltd Noise suppression
US9589580B2 (en) 2011-03-14 2017-03-07 Cochlear Limited Sound processing based on a confidence measure
JP5732976B2 (ja) * 2011-03-31 2015-06-10 沖電気工業株式会社 音声区間判定装置、音声区間判定方法、及びプログラム
MY181026A (en) 2013-06-21 2020-12-16 Fraunhofer Ges Forschung Apparatus and method realizing improved concepts for tcx ltp
US20170366897A1 (en) 2016-06-15 2017-12-21 Robert Azarewicz Microphone board for far field automatic speech recognition
US10104464B2 (en) 2016-08-25 2018-10-16 Bragi GmbH Wireless earpiece and smart glasses system and method
US10200780B2 (en) 2016-08-29 2019-02-05 Bragi GmbH Method and apparatus for conveying battery life of wireless earpiece
US11490858B2 (en) 2016-08-31 2022-11-08 Bragi GmbH Disposable sensor array wearable device sleeve system and method
EP3573058B1 (en) * 2018-05-23 2021-02-24 Harman Becker Automotive Systems GmbH Dry sound and ambient sound separation

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JP2897628B2 (ja) * 1993-12-24 1999-05-31 三菱電機株式会社 音声検出器
JPH07193548A (ja) * 1993-12-25 1995-07-28 Sony Corp 雑音低減処理方法
DE69708693C5 (de) * 1996-11-07 2021-10-28 Godo Kaisha Ip Bridge 1 Verfahren und Vorrichtung für CELP Sprachcodierung oder -decodierung
FR2768544B1 (fr) * 1997-09-18 1999-11-19 Matra Communication Procede de detection d'activite vocale
US6826528B1 (en) * 1998-09-09 2004-11-30 Sony Corporation Weighted frequency-channel background noise suppressor
US6718301B1 (en) * 1998-11-11 2004-04-06 Starkey Laboratories, Inc. System for measuring speech content in sound
SE9903553D0 (sv) * 1999-01-27 1999-10-01 Lars Liljeryd Enhancing percepptual performance of SBR and related coding methods by adaptive noise addition (ANA) and noise substitution limiting (NSL)
DE19948308C2 (de) * 1999-10-06 2002-05-08 Cortologic Ag Verfahren und Vorrichtung zur Geräuschunterdrückung bei der Sprachübertragung
US20020041678A1 (en) * 2000-08-18 2002-04-11 Filiz Basburg-Ertem Method and apparatus for integrated echo cancellation and noise reduction for fixed subscriber terminals
US6873732B2 (en) * 2001-07-09 2005-03-29 Xerox Corporation Method and apparatus for resolving perspective distortion in a document image and for calculating line sums in images
US20030187637A1 (en) * 2002-03-29 2003-10-02 At&T Automatic feature compensation based on decomposition of speech and noise
US7242762B2 (en) * 2002-06-24 2007-07-10 Freescale Semiconductor, Inc. Monitoring and control of an adaptive filter in a communication system
KR20040044217A (ko) * 2002-11-19 2004-05-28 주식회사 인티스 디지털 통신의 음성 품질 향상 장치 및 방법
RU2315438C2 (ru) 2003-07-16 2008-01-20 Скайп Лимитед Одноранговая телефонная система
TWI233590B (en) * 2003-09-26 2005-06-01 Ind Tech Res Inst Energy feature extraction method for noisy speech recognition
CN1867965B (zh) * 2003-10-16 2010-05-26 Nxp股份有限公司 使用自适应噪声基底跟踪的语音活动检测
CN1322488C (zh) * 2004-04-14 2007-06-20 华为技术有限公司 一种语音增强的方法
US7454332B2 (en) * 2004-06-15 2008-11-18 Microsoft Corporation Gain constrained noise suppression
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Also Published As

Publication number Publication date
CA2679476A1 (en) 2008-08-28
EP2132734A2 (en) 2009-12-16
GB0703275D0 (en) 2007-03-28
ATE498887T1 (de) 2011-03-15
CN101641735A (zh) 2010-02-03
EP2132734B1 (en) 2011-02-16
DE602007012596D1 (de) 2011-03-31
US8838444B2 (en) 2014-09-16
WO2008102207A3 (en) 2008-10-30
JP4927957B2 (ja) 2012-05-09
CN101641735B (zh) 2012-01-25
CA2679476C (en) 2015-11-24
JP2010519583A (ja) 2010-06-03
WO2008102207A2 (en) 2008-08-28
US20080201137A1 (en) 2008-08-21

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Legal Events

Date Code Title Description
B25D Requested change of name of applicant approved

Owner name: SKYPE (IE)

B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
B06T Formal requirements before examination [chapter 6.20 patent gazette]
B15K Others concerning applications: alteration of classification

Free format text: A CLASSIFICACAO ANTERIOR ERA: G10L 21/02

Ipc: G10L 21/0208 (2013.01), G10L 21/0232 (2013.01)

B11T Dismissal of application maintained [chapter 11.20 patent gazette]