DE60309651D1 - Verfahren zur Sprachkodierung mittels verallgemeinerter Analyse durch Synthese und Sprachkodierer zur Durchführung dieses Verfahrens - Google Patents

Verfahren zur Sprachkodierung mittels verallgemeinerter Analyse durch Synthese und Sprachkodierer zur Durchführung dieses Verfahrens

Info

Publication number
DE60309651D1
DE60309651D1 DE60309651T DE60309651T DE60309651D1 DE 60309651 D1 DE60309651 D1 DE 60309651D1 DE 60309651 T DE60309651 T DE 60309651T DE 60309651 T DE60309651 T DE 60309651T DE 60309651 D1 DE60309651 D1 DE 60309651D1
Authority
DE
Germany
Prior art keywords
speech
signal
modified signal
mfs
short
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 - Fee Related
Application number
DE60309651T
Other languages
English (en)
Other versions
DE60309651T2 (de
Inventor
Balaes Kovesi
Dominique Massaloux
Claude Lamblin
Yang Gao
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.)
Orange SA
Mindspeed Technologies LLC
Original Assignee
France Telecom SA
Mindspeed Technologies LLC
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 France Telecom SA, Mindspeed Technologies LLC filed Critical France Telecom SA
Application granted granted Critical
Publication of DE60309651D1 publication Critical patent/DE60309651D1/de
Publication of DE60309651T2 publication Critical patent/DE60309651T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
    • G10L19/13—Residual excited linear prediction [RELP]

Landscapes

  • Engineering & Computer Science (AREA)
  • Computational Linguistics (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)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Analogue/Digital Conversion (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
DE60309651T 2002-11-14 2003-10-30 Verfahren zur Sprachkodierung mittels verallgemeinerter Analyse durch Synthese und Sprachkodierer zur Durchführung dieses Verfahrens Expired - Fee Related DE60309651T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US294923 2002-11-14
US10/294,923 US20040098255A1 (en) 2002-11-14 2002-11-14 Generalized analysis-by-synthesis speech coding method, and coder implementing such method

Publications (2)

Publication Number Publication Date
DE60309651D1 true DE60309651D1 (de) 2006-12-28
DE60309651T2 DE60309651T2 (de) 2007-09-13

Family

ID=32176196

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60309651T Expired - Fee Related DE60309651T2 (de) 2002-11-14 2003-10-30 Verfahren zur Sprachkodierung mittels verallgemeinerter Analyse durch Synthese und Sprachkodierer zur Durchführung dieses Verfahrens

Country Status (12)

Country Link
US (1) US20040098255A1 (de)
EP (1) EP1420391B1 (de)
JP (1) JP2004163959A (de)
KR (1) KR20040042903A (de)
CN (1) CN1525439A (de)
AT (1) ATE345565T1 (de)
BR (1) BR0305195A (de)
CA (1) CA2448848A1 (de)
DE (1) DE60309651T2 (de)
ES (1) ES2277050T3 (de)
HK (1) HK1067911A1 (de)
MX (1) MXPA03010360A (de)

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JP5129115B2 (ja) * 2005-04-01 2013-01-23 クゥアルコム・インコーポレイテッド 高帯域バーストの抑制のためのシステム、方法、および装置
TWI324336B (en) * 2005-04-22 2010-05-01 Qualcomm Inc Method of signal processing and apparatus for gain factor smoothing
CN101385079B (zh) * 2006-02-14 2012-08-29 法国电信公司 在音频编码/解码中用于知觉加权的设备
US8725499B2 (en) * 2006-07-31 2014-05-13 Qualcomm Incorporated Systems, methods, and apparatus for signal change detection
US7987089B2 (en) * 2006-07-31 2011-07-26 Qualcomm Incorporated Systems and methods for modifying a zero pad region of a windowed frame of an audio signal
US8260609B2 (en) * 2006-07-31 2012-09-04 Qualcomm Incorporated Systems, methods, and apparatus for wideband encoding and decoding of inactive frames
US8532984B2 (en) * 2006-07-31 2013-09-10 Qualcomm Incorporated Systems, methods, and apparatus for wideband encoding and decoding of active frames
US8688437B2 (en) 2006-12-26 2014-04-01 Huawei Technologies Co., Ltd. Packet loss concealment for speech coding
FR2911227A1 (fr) * 2007-01-05 2008-07-11 France Telecom Codage par transformee, utilisant des fenetres de ponderation et a faible retard
US9653088B2 (en) * 2007-06-13 2017-05-16 Qualcomm Incorporated Systems, methods, and apparatus for signal encoding using pitch-regularizing and non-pitch-regularizing coding
WO2010108315A1 (zh) * 2009-03-24 2010-09-30 华为技术有限公司 信号延时切换的方法和装置
ES2458354T3 (es) 2010-03-10 2014-05-05 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Decodificador de señales de audio, codificador de señales de audio, métodos y programa de ordenador que utiliza tasa de muestreo dependiente de la codificación del contorno de distorsión en el tiempo
WO2012153165A1 (en) * 2011-05-06 2012-11-15 Nokia Corporation A pitch estimator
CN104025191A (zh) * 2011-10-18 2014-09-03 爱立信(中国)通信有限公司 用于自适应多速率编解码器的改进方法和设备
US9418671B2 (en) 2013-08-15 2016-08-16 Huawei Technologies Co., Ltd. Adaptive high-pass post-filter
KR102251833B1 (ko) * 2013-12-16 2021-05-13 삼성전자주식회사 오디오 신호의 부호화, 복호화 방법 및 장치
EP2980796A1 (de) * 2014-07-28 2016-02-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verfahren und Vorrichtung zur Verarbeitung eines Audiosignals, Audiodecodierer und Audiocodierer
CN105974416B (zh) * 2016-07-26 2018-06-15 零八一电子集团有限公司 积累互相关包络对齐的8核dsp片上并行实现方法
US11197032B2 (en) * 2018-11-08 2021-12-07 Telefonaktiebolaget Lm Ericsson (Publ) Asymmetric deblocking in a video encoder and/or video decoder

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WO1991005412A1 (de) * 1989-10-06 1991-04-18 Telefunken Fernseh Und Rundfunk Gmbh Verfahren zur übertragung eines signals
US5327518A (en) * 1991-08-22 1994-07-05 Georgia Tech Research Corporation Audio analysis/synthesis system
US5513297A (en) * 1992-07-10 1996-04-30 At&T Corp. Selective application of speech coding techniques to input signal segments
US5517595A (en) * 1994-02-08 1996-05-14 At&T Corp. Decomposition in noise and periodic signal waveforms in waveform interpolation
US5574825A (en) * 1994-03-14 1996-11-12 Lucent Technologies Inc. Linear prediction coefficient generation during frame erasure or packet loss
FR2729247A1 (fr) * 1995-01-06 1996-07-12 Matra Communication Procede de codage de parole a analyse par synthese
FR2734389B1 (fr) * 1995-05-17 1997-07-18 Proust Stephane Procede d'adaptation du niveau de masquage du bruit dans un codeur de parole a analyse par synthese utilisant un filtre de ponderation perceptuelle a court terme
US5704003A (en) * 1995-09-19 1997-12-30 Lucent Technologies Inc. RCELP coder
US6169970B1 (en) * 1998-01-08 2001-01-02 Lucent Technologies Inc. Generalized analysis-by-synthesis speech coding method and apparatus
US6449590B1 (en) * 1998-08-24 2002-09-10 Conexant Systems, Inc. Speech encoder using warping in long term preprocessing
US6260010B1 (en) * 1998-08-24 2001-07-10 Conexant Systems, Inc. Speech encoder using gain normalization that combines open and closed loop gains
US6104992A (en) * 1998-08-24 2000-08-15 Conexant Systems, Inc. Adaptive gain reduction to produce fixed codebook target signal
US6311154B1 (en) * 1998-12-30 2001-10-30 Nokia Mobile Phones Limited Adaptive windows for analysis-by-synthesis CELP-type speech coding
US6223151B1 (en) * 1999-02-10 2001-04-24 Telefon Aktie Bolaget Lm Ericsson Method and apparatus for pre-processing speech signals prior to coding by transform-based speech coders
US6691082B1 (en) * 1999-08-03 2004-02-10 Lucent Technologies Inc Method and system for sub-band hybrid coding
US6842735B1 (en) * 1999-12-17 2005-01-11 Interval Research Corporation Time-scale modification of data-compressed audio information

Also Published As

Publication number Publication date
DE60309651T2 (de) 2007-09-13
ATE345565T1 (de) 2006-12-15
EP1420391B1 (de) 2006-11-15
ES2277050T3 (es) 2007-07-01
MXPA03010360A (es) 2005-07-01
JP2004163959A (ja) 2004-06-10
HK1067911A1 (en) 2005-04-22
CN1525439A (zh) 2004-09-01
KR20040042903A (ko) 2004-05-20
US20040098255A1 (en) 2004-05-20
EP1420391A1 (de) 2004-05-19
CA2448848A1 (en) 2004-05-14
BR0305195A (pt) 2004-08-31

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee