HK1067911A1 - Generalized analysis-by-synthesis speech coding method, and coder implementing such method - Google Patents

Generalized analysis-by-synthesis speech coding method, and coder implementing such method

Info

Publication number
HK1067911A1
HK1067911A1 HK04109147A HK04109147A HK1067911A1 HK 1067911 A1 HK1067911 A1 HK 1067911A1 HK 04109147 A HK04109147 A HK 04109147A HK 04109147 A HK04109147 A HK 04109147A HK 1067911 A1 HK1067911 A1 HK 1067911A1
Authority
HK
Hong Kong
Prior art keywords
signal
modified signal
mfs
short
time scale
Prior art date
Application number
HK04109147A
Other languages
English (en)
Inventor
Balaes Kovesi
Dominique Massaloux
Claude Lamblin
Yang Gao
Original Assignee
France Telecom
Mindspeed Tech 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 France Telecom, Mindspeed Tech Inc filed Critical France Telecom
Publication of HK1067911A1 publication Critical patent/HK1067911A1/xx

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)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Analogue/Digital Conversion (AREA)
HK04109147A 2002-11-14 2004-11-19 Generalized analysis-by-synthesis speech coding method, and coder implementing such method HK1067911A1 (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
HK1067911A1 true HK1067911A1 (en) 2005-04-22

Family

ID=32176196

Family Applications (1)

Application Number Title Priority Date Filing Date
HK04109147A HK1067911A1 (en) 2002-11-14 2004-11-19 Generalized analysis-by-synthesis speech coding method, and coder implementing such method

Country Status (12)

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

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KR100956877B1 (ko) * 2005-04-01 2010-05-11 콸콤 인코포레이티드 스펙트럼 엔벨로프 표현의 벡터 양자화를 위한 방법 및장치
PT1875463T (pt) * 2005-04-22 2019-01-24 Qualcomm Inc Sistemas, métodos e aparelho para nivelamento de fator de ganho
JP5117407B2 (ja) * 2006-02-14 2013-01-16 フランス・テレコム オーディオ符号化／復号化で知覚的に重み付けするための装置
US8532984B2 (en) * 2006-07-31 2013-09-10 Qualcomm Incorporated Systems, methods, and apparatus for wideband encoding and decoding of active frames
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
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
EP2413314A4 (en) * 2009-03-24 2012-02-01 Huawei Tech Co Ltd METHOD AND DEVICE FOR SWITCHING ON A SIGNAL DELAY
ES2461183T3 (es) * 2010-03-10 2014-05-19 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V Decodificador de señales de audio, codificador de señales de audio, procedimiento para decodificar una señal de audio, método para codificar una señal de audio y programa de ordenador que utilizan una adaptación dependiente de la frecuencia de un contexto de codificación
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 (en) * 2014-07-28 2016-02-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Method and apparatus for processing an audio signal, audio decoder, and audio encoder
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
CN113287318A (zh) 2018-11-08 2021-08-20 瑞典爱立信有限公司 视频编码器和/或视频解码器中的非对称去块

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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
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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
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Also Published As

Publication number Publication date
MXPA03010360A (es) 2005-07-01
BR0305195A (pt) 2004-08-31
KR20040042903A (ko) 2004-05-20
CN1525439A (zh) 2004-09-01
ATE345565T1 (de) 2006-12-15
EP1420391A1 (en) 2004-05-19
DE60309651D1 (de) 2006-12-28
CA2448848A1 (en) 2004-05-14
EP1420391B1 (en) 2006-11-15
DE60309651T2 (de) 2007-09-13
US20040098255A1 (en) 2004-05-20
JP2004163959A (ja) 2004-06-10
ES2277050T3 (es) 2007-07-01

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Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20101030