ATE498887T1 - Verfahren zur schätzung von rauschpegeln in einem kommunikationssystem - Google Patents

Verfahren zur schätzung von rauschpegeln in einem kommunikationssystem

Info

Publication number
ATE498887T1
ATE498887T1 AT07872475T AT07872475T ATE498887T1 AT E498887 T1 ATE498887 T1 AT E498887T1 AT 07872475 T AT07872475 T AT 07872475T AT 07872475 T AT07872475 T AT 07872475T AT E498887 T1 ATE498887 T1 AT E498887T1
Authority
AT
Austria
Prior art keywords
data
input values
communications system
estimating noise
non linear
Prior art date
Application number
AT07872475T
Other languages
English (en)
Inventor
Koen Vos
Karsten 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
Application granted granted Critical
Publication of ATE498887T1 publication Critical patent/ATE498887T1/de

Links

Classifications

    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00Speech 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
    • G10L21/02Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/0208Noise filtering
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00Speech 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
    • G10L21/02Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/0208Noise filtering
    • G10L21/0216Noise filtering characterised by the method used for estimating noise
    • G10L21/0232Processing in the frequency domain

Landscapes

  • Engineering & Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Physics & Mathematics (AREA)
  • Quality & Reliability (AREA)
  • Multimedia (AREA)
  • Noise Elimination (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Near-Field Transmission Systems (AREA)
  • Dc Digital Transmission (AREA)
AT07872475T 2007-02-20 2007-12-20 Verfahren zur schätzung von rauschpegeln in einem kommunikationssystem ATE498887T1 (de)

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
ATE498887T1 true ATE498887T1 (de) 2011-03-15

Family

ID=37908947

Family Applications (1)

Application Number Title Priority Date Filing Date
AT07872475T ATE498887T1 (de) 2007-02-20 2007-12-20 Verfahren zur schätzung von rauschpegeln in einem kommunikationssystem

Country Status (10)

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

Families Citing this family (11)

* 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
US8660247B1 (en) 2009-04-06 2014-02-25 Wendell Brown Method and apparatus for content presentation in association with a telephone call
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
ES2635555T3 (es) 2013-06-21 2017-10-04 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Aparato y método para el desvanecimiento de señales mejorado en diferentes dominios durante el ocultamiento de errores
US10657983B2 (en) 2016-06-15 2020-05-19 Intel Corporation Automatic gain control for 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 (de) * 2018-05-23 2021-02-24 Harman Becker Automotive Systems GmbH Trocken- und raumschalltrennung

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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
KR100339168B1 (ko) * 1996-11-07 2002-06-03 모리시타 요이찌 음원 벡터 생성 장치, 음성 부호화 장치 및 음성 복호화장치
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
CN1823519B (zh) 2003-07-16 2010-06-23 斯凯普有限公司 对等电话系统及方法
TWI233590B (en) * 2003-09-26 2005-06-01 Ind Tech Res Inst Energy feature extraction method for noisy speech recognition
EP1676261A1 (de) * 2003-10-16 2006-07-05 Koninklijke Philips Electronics N.V. Sprachaktivitätserkennung mit adaptiver rauschgrundwertverfolgung
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
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EP2104451A4 (de) * 2006-01-25 2010-01-06 Pipex Inc Tröpfchenauffangvorrichtungen und verfahren zur erkennung und kontrolle von durch luft übertragbaren erkrankungen mittels rfid
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Also Published As

Publication number Publication date
EP2132734A2 (de) 2009-12-16
US20080201137A1 (en) 2008-08-21
JP2010519583A (ja) 2010-06-03
GB0703275D0 (en) 2007-03-28
CA2679476A1 (en) 2008-08-28
WO2008102207A3 (en) 2008-10-30
JP4927957B2 (ja) 2012-05-09
DE602007012596D1 (de) 2011-03-31
CN101641735A (zh) 2010-02-03
BRPI0721316A2 (pt) 2014-02-18
WO2008102207A2 (en) 2008-08-28
CA2679476C (en) 2015-11-24
EP2132734B1 (de) 2011-02-16
CN101641735B (zh) 2012-01-25
US8838444B2 (en) 2014-09-16

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