EP1953739B1 - Verfahren und Vorrichtung zur Geräuschsunterdrückung bei einem decodierten Signal - Google Patents

Verfahren und Vorrichtung zur Geräuschsunterdrückung bei einem decodierten Signal Download PDF

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Publication number
EP1953739B1
EP1953739B1 EP08008031.0A EP08008031A EP1953739B1 EP 1953739 B1 EP1953739 B1 EP 1953739B1 EP 08008031 A EP08008031 A EP 08008031A EP 1953739 B1 EP1953739 B1 EP 1953739B1
Authority
EP
European Patent Office
Prior art keywords
celp
signal
decoded signal
tdac
frequency band
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.)
Not-in-force
Application number
EP08008031.0A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1953739A2 (de
EP1953739A3 (de
Inventor
Martin Gartner
Stefan Schandl
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.)
Siemens AG
Original Assignee
Siemens AG
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
Priority claimed from DE102005019863A external-priority patent/DE102005019863A1/de
Priority claimed from DE200510032079 external-priority patent/DE102005032079A1/de
Application filed by Siemens AG filed Critical Siemens AG
Publication of EP1953739A2 publication Critical patent/EP1953739A2/de
Publication of EP1953739A3 publication Critical patent/EP1953739A3/de
Application granted granted Critical
Publication of EP1953739B1 publication Critical patent/EP1953739B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • G10L19/022—Blocking, i.e. grouping of samples in time; Choice of analysis windows; Overlap factoring
    • G10L19/025—Detection of transients or attacks for time/frequency resolution switching
    • 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
    • G10L19/12—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a code excitation, e.g. in code excited linear prediction [CELP] 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
    • G10L19/16—Vocoder architecture
    • G10L19/18—Vocoders using multiple modes
    • G10L19/24—Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding
    • 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
    • G10L21/0316—Speech enhancement, e.g. noise reduction or echo cancellation by changing the amplitude
    • G10L21/0364—Speech enhancement, e.g. noise reduction or echo cancellation by changing the amplitude for improving intelligibility

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Quality & Reliability (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Noise Elimination (AREA)
  • Treating Waste Gases (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
  • Filters And Equalizers (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Analogue/Digital Conversion (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
EP08008031.0A 2005-04-28 2006-04-12 Verfahren und Vorrichtung zur Geräuschsunterdrückung bei einem decodierten Signal Not-in-force EP1953739B1 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE102005019863A DE102005019863A1 (de) 2005-04-28 2005-04-28 Verfahren und Vorrichtung zur Geräuschunterdrückung
DE102005028182 2005-06-17
DE200510032079 DE102005032079A1 (de) 2005-07-08 2005-07-08 Verfahren und Vorrichtung zur Geräuschunterdrückung
EP06725716A EP1869671B1 (de) 2005-04-28 2006-04-12 Verfahren und vorrichtung zur geräuschunterdrückung

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
EP06725716A Division EP1869671B1 (de) 2005-04-28 2006-04-12 Verfahren und vorrichtung zur geräuschunterdrückung

Publications (3)

Publication Number Publication Date
EP1953739A2 EP1953739A2 (de) 2008-08-06
EP1953739A3 EP1953739A3 (de) 2008-10-08
EP1953739B1 true EP1953739B1 (de) 2014-06-04

Family

ID=36621841

Family Applications (2)

Application Number Title Priority Date Filing Date
EP08008031.0A Not-in-force EP1953739B1 (de) 2005-04-28 2006-04-12 Verfahren und Vorrichtung zur Geräuschsunterdrückung bei einem decodierten Signal
EP06725716A Not-in-force EP1869671B1 (de) 2005-04-28 2006-04-12 Verfahren und vorrichtung zur geräuschunterdrückung

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP06725716A Not-in-force EP1869671B1 (de) 2005-04-28 2006-04-12 Verfahren und vorrichtung zur geräuschunterdrückung

Country Status (11)

Country Link
US (1) US8612236B2 (ja)
EP (2) EP1953739B1 (ja)
JP (1) JP4819881B2 (ja)
KR (1) KR100915726B1 (ja)
AT (1) ATE435481T1 (ja)
CA (1) CA2574468C (ja)
DE (1) DE502006004136D1 (ja)
DK (1) DK1869671T3 (ja)
ES (1) ES2327566T3 (ja)
PL (1) PL1869671T3 (ja)
WO (1) WO2006114368A1 (ja)

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FR2897733A1 (fr) * 2006-02-20 2007-08-24 France Telecom Procede de discrimination et d'attenuation fiabilisees des echos d'un signal numerique dans un decodeur et dispositif correspondant
US20090006081A1 (en) * 2007-06-27 2009-01-01 Samsung Electronics Co., Ltd. Method, medium and apparatus for encoding and/or decoding signal
KR101655913B1 (ko) * 2008-09-17 2016-09-08 오렌지 디지털 오디오 신호에서의 프리-에코 감쇠
RU2591011C2 (ru) * 2009-10-20 2016-07-10 Фраунхофер-Гезелльшафт цур Фёрдерунг дер ангевандтен Форшунг Е.Ф. Кодер аудиосигнала, декодер аудиосигнала, способ кодирования или декодирования аудиосигнала с удалением алиасинга (наложения спектров)
BR122020024243B1 (pt) * 2009-10-20 2022-02-01 Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E. V. Codificador de sinal de áudio, decodificador de sinal de áudio, método para prover uma representação codificada de um conteúdo de áudio e método para prover uma representação decodificada de um conteúdo de áudio.
WO2011048798A1 (ja) 2009-10-20 2011-04-28 パナソニック株式会社 符号化装置、復号化装置およびこれらの方法
US9838784B2 (en) 2009-12-02 2017-12-05 Knowles Electronics, Llc Directional audio capture
US8798290B1 (en) 2010-04-21 2014-08-05 Audience, Inc. Systems and methods for adaptive signal equalization
US9558755B1 (en) 2010-05-20 2017-01-31 Knowles Electronics, Llc Noise suppression assisted automatic speech recognition
CN101908342B (zh) * 2010-07-23 2012-09-26 北京理工大学 利用频域滤波后处理进行音频暂态信号预回声抑制的方法
US8615394B1 (en) * 2012-01-27 2013-12-24 Audience, Inc. Restoration of noise-reduced speech
US9536540B2 (en) 2013-07-19 2017-01-03 Knowles Electronics, Llc Speech signal separation and synthesis based on auditory scene analysis and speech modeling
WO2016040885A1 (en) 2014-09-12 2016-03-17 Audience, Inc. Systems and methods for restoration of speech components
CN107210824A (zh) 2015-01-30 2017-09-26 美商楼氏电子有限公司 麦克风的环境切换
US9820042B1 (en) 2016-05-02 2017-11-14 Knowles Electronics, Llc Stereo separation and directional suppression with omni-directional microphones

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JP3317470B2 (ja) 1995-03-28 2002-08-26 日本電信電話株式会社 音響信号符号化方法、音響信号復号化方法
US5825320A (en) * 1996-03-19 1998-10-20 Sony Corporation Gain control method for audio encoding device
DE19736669C1 (de) * 1997-08-22 1998-10-22 Fraunhofer Ges Forschung Verfahren und Vorrichtung zum Erfassen eines Anschlags in einem zeitdiskreten Audiosignal sowie Vorrichtung und Verfahren zum Codieren eines Audiosignals
US6169971B1 (en) * 1997-12-03 2001-01-02 Glenayre Electronics, Inc. Method to suppress noise in digital voice processing
US6415253B1 (en) * 1998-02-20 2002-07-02 Meta-C Corporation Method and apparatus for enhancing noise-corrupted speech
US6453289B1 (en) * 1998-07-24 2002-09-17 Hughes Electronics Corporation Method of noise reduction for speech codecs
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US6353808B1 (en) * 1998-10-22 2002-03-05 Sony Corporation Apparatus and method for encoding a signal as well as apparatus and method for decoding a signal
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US6978236B1 (en) * 1999-10-01 2005-12-20 Coding Technologies Ab Efficient spectral envelope coding using variable time/frequency resolution and time/frequency switching
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JP4739023B2 (ja) * 2003-08-18 2011-08-03 ニュアンス コミュニケーションズ オーストリア ゲーエムベーハー デジタル音声信号におけるクリッキングノイズ検出
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Also Published As

Publication number Publication date
ATE435481T1 (de) 2009-07-15
PL1869671T3 (pl) 2009-12-31
KR20070062493A (ko) 2007-06-15
CA2574468C (en) 2014-01-14
JP4819881B2 (ja) 2011-11-24
ES2327566T3 (es) 2009-10-30
EP1953739A2 (de) 2008-08-06
EP1869671B1 (de) 2009-07-01
CA2574468A1 (en) 2006-11-02
US20070282604A1 (en) 2007-12-06
WO2006114368A1 (de) 2006-11-02
EP1953739A3 (de) 2008-10-08
KR100915726B1 (ko) 2009-09-04
DK1869671T3 (da) 2009-10-19
JP2008539456A (ja) 2008-11-13
US8612236B2 (en) 2013-12-17
DE502006004136D1 (de) 2009-08-13
EP1869671A1 (de) 2007-12-26

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