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DE69806645D1 - Verfahren und vorrichtung zur gleichzeitigen sprachkodierung und geräuschunterdrückung - Google Patents

Verfahren und vorrichtung zur gleichzeitigen sprachkodierung und geräuschunterdrückung

Info

Publication number
DE69806645D1
DE69806645D1 DE69806645T DE69806645T DE69806645D1 DE 69806645 D1 DE69806645 D1 DE 69806645D1 DE 69806645 T DE69806645 T DE 69806645T DE 69806645 T DE69806645 T DE 69806645T DE 69806645 D1 DE69806645 D1 DE 69806645D1
Authority
DE
Germany
Prior art keywords
noise reduction
voice encoding
simultaneous voice
simultaneous
encoding
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
DE69806645T
Other languages
English (en)
Inventor
S Bloebaum
M Johnson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ericsson Inc
Original Assignee
Ericsson Inc
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 Ericsson Inc filed Critical Ericsson Inc
Application granted granted Critical
Publication of DE69806645D1 publication Critical patent/DE69806645D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/02—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
    • 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
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
    • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • G10L19/10—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a multipulse excitation

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Quality & Reliability (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Analogue/Digital Conversion (AREA)
DE69806645T 1998-01-07 1998-12-03 Verfahren und vorrichtung zur gleichzeitigen sprachkodierung und geräuschunterdrückung Expired - Lifetime DE69806645D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/003,967 US6070137A (en) 1998-01-07 1998-01-07 Integrated frequency-domain voice coding using an adaptive spectral enhancement filter
PCT/US1998/025641 WO1999035638A1 (en) 1998-01-07 1998-12-03 A system and method for encoding voice while suppressing acoustic background noise

Publications (1)

Publication Number Publication Date
DE69806645D1 true DE69806645D1 (de) 2002-08-22

Family

ID=21708449

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69806645T Expired - Lifetime DE69806645D1 (de) 1998-01-07 1998-12-03 Verfahren und vorrichtung zur gleichzeitigen sprachkodierung und geräuschunterdrückung

Country Status (8)

Country Link
US (1) US6070137A (de)
EP (1) EP1046153B1 (de)
CN (1) CN1285945A (de)
AU (1) AU1622699A (de)
BR (1) BR9813246A (de)
DE (1) DE69806645D1 (de)
EE (1) EE04070B1 (de)
WO (1) WO1999035638A1 (de)

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US6351729B1 (en) * 1999-07-12 2002-02-26 Lucent Technologies Inc. Multiple-window method for obtaining improved spectrograms of signals
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EP1168734A1 (de) * 2000-06-26 2002-01-02 BRITISH TELECOMMUNICATIONS public limited company Verfahren zur Reduzierung der Verzerrung in einer Sprachübertragung über Datennetze
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US6871176B2 (en) * 2001-07-26 2005-03-22 Freescale Semiconductor, Inc. Phase excited linear prediction encoder
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US6959276B2 (en) * 2001-09-27 2005-10-25 Microsoft Corporation Including the category of environmental noise when processing speech signals
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US7065486B1 (en) * 2002-04-11 2006-06-20 Mindspeed Technologies, Inc. Linear prediction based noise suppression
US20040064314A1 (en) * 2002-09-27 2004-04-01 Aubert Nicolas De Saint Methods and apparatus for speech end-point detection
US7146316B2 (en) * 2002-10-17 2006-12-05 Clarity Technologies, Inc. Noise reduction in subbanded speech signals
US7272557B2 (en) * 2003-05-01 2007-09-18 Microsoft Corporation Method and apparatus for quantizing model parameters
US7428490B2 (en) * 2003-09-30 2008-09-23 Intel Corporation Method for spectral subtraction in speech enhancement
US7844453B2 (en) * 2006-05-12 2010-11-30 Qnx Software Systems Co. Robust noise estimation
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
EP2232703B1 (de) * 2007-12-20 2014-06-18 Telefonaktiebolaget LM Ericsson (publ) Rauschunterdrückungsverfahren und vorrichtung
MY154452A (en) 2008-07-11 2015-06-15 Fraunhofer Ges Forschung An apparatus and a method for decoding an encoded audio signal
KR101400484B1 (ko) * 2008-07-11 2014-05-28 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 시간 워프 활성 신호의 제공 및 이를 이용한 오디오 신호의 인코딩
CN101789797A (zh) * 2009-01-22 2010-07-28 浙江安迪信信息技术有限公司 无线通信抗干扰系统
WO2011049514A1 (en) * 2009-10-19 2011-04-28 Telefonaktiebolaget Lm Ericsson (Publ) Method and background estimator for voice activity detection
US20110125497A1 (en) * 2009-11-20 2011-05-26 Takahiro Unno Method and System for Voice Activity Detection
US8886523B2 (en) * 2010-04-14 2014-11-11 Huawei Technologies Co., Ltd. Audio decoding based on audio class with control code for post-processing modes
CN102959620B (zh) 2011-02-14 2015-05-13 弗兰霍菲尔运输应用研究公司 利用重迭变换的信息信号表示
WO2012110415A1 (en) 2011-02-14 2012-08-23 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatus and method for processing a decoded audio signal in a spectral domain
MY165853A (en) 2011-02-14 2018-05-18 Fraunhofer Ges Forschung Linear prediction based coding scheme using spectral domain noise shaping
EP2676267B1 (de) 2011-02-14 2017-07-19 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Kodierung und dekodierung von impulspositionen von spuren eines audiosignals
MX2013009306A (es) 2011-02-14 2013-09-26 Fraunhofer Ges Forschung Aparato y metodo para codificar y decodificar una señal de audio utilizando una porcion alineada anticipada.
MY160272A (en) 2011-02-14 2017-02-28 Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E V Audio Codec Using Noise Synthesis During Inactive Phases
SG192734A1 (en) 2011-02-14 2013-09-30 Fraunhofer Ges Forschung Apparatus and method for error concealment in low-delay unified speech and audio coding (usac)
MY159444A (en) * 2011-02-14 2017-01-13 Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E V Encoding and decoding of pulse positions of tracks of an audio signal
EP2676270B1 (de) 2011-02-14 2017-02-01 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Kodierung eines teils eines audiosignals anhand einer transientendetektion und eines qualitätsergebnisses
CN102314884B (zh) * 2011-08-16 2013-01-02 捷思锐科技（北京）有限公司 语音激活检测方法与装置
CN103811019B (zh) * 2014-01-16 2016-07-06 浙江工业大学 一种基于bt法的冲床噪声功率谱估计改进方法
FR3023646A1 (fr) * 2014-07-11 2016-01-15 Orange Mise a jour des etats d'un post-traitement a une frequence d'echantillonnage variable selon la trame
CN105023580B (zh) * 2015-06-25 2018-11-13 中国人民解放军理工大学 基于可分离深度自动编码技术的无监督噪声估计和语音增强方法
CN105355199B (zh) * 2015-10-20 2019-03-12 河海大学 一种基于gmm噪声估计的模型组合语音识别方法
CN105913854B (zh) * 2016-04-15 2020-10-23 腾讯科技（深圳）有限公司 语音信号级联处理方法和装置
CN106060717A (zh) * 2016-05-26 2016-10-26 广东睿盟计算机科技有限公司 一种高清晰度动态降噪拾音器
GB201617016D0 (en) * 2016-09-09 2016-11-23 Continental automotive systems inc Robust noise estimation for speech enhancement in variable noise conditions
WO2019086118A1 (en) 2017-11-02 2019-05-09 Huawei Technologies Co., Ltd. Segmentation-based feature extraction for acoustic scene classification
US10726856B2 (en) * 2018-08-16 2020-07-28 Mitsubishi Electric Research Laboratories, Inc. Methods and systems for enhancing audio signals corrupted by noise
CN112735449B (zh) * 2020-12-30 2023-04-14 北京百瑞互联技术有限公司 优化频域噪声整形的音频编码方法及装置
CN113707162A (zh) * 2021-03-01 2021-11-26 腾讯科技（深圳）有限公司 语音信号处理方法、装置、设备及存储介质
CN113655455B (zh) * 2021-10-15 2022-04-08 成都信息工程大学 一种双偏振天气雷达回波信号仿真方法
CN114495965A (zh) * 2022-01-29 2022-05-13 中国传媒大学 一种干净语音重构方法、装置、设备和介质
CN114937459B (zh) * 2022-04-28 2025-03-28 上海大学 一种层级融合的音频数据增强方法及系统

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Also Published As

Publication number Publication date
WO1999035638A1 (en) 1999-07-15
AU1622699A (en) 1999-07-26
EE200000414A (et) 2001-12-17
CN1285945A (zh) 2001-02-28
BR9813246A (pt) 2000-10-03
US6070137A (en) 2000-05-30
EP1046153A1 (de) 2000-10-25
EP1046153B1 (de) 2002-07-17
EE04070B1 (et) 2003-06-16

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