DE69929069D1 - Verfahren und vorrchtung zur celp kodierung und dekodierung - Google Patents

Verfahren und vorrchtung zur celp kodierung und dekodierung

Info

Publication number
DE69929069D1
DE69929069D1 DE69929069T DE69929069T DE69929069D1 DE 69929069 D1 DE69929069 D1 DE 69929069D1 DE 69929069 T DE69929069 T DE 69929069T DE 69929069 T DE69929069 T DE 69929069T DE 69929069 D1 DE69929069 D1 DE 69929069D1
Authority
DE
Germany
Prior art keywords
celping
advice
decoding
coding
celping coding
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
DE69929069T
Other languages
English (en)
Other versions
DE69929069T2 (de
Inventor
Anders Uvliden
Jonas Svedberg
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.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=20412632&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69929069(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Application granted granted Critical
Publication of DE69929069D1 publication Critical patent/DE69929069D1/de
Publication of DE69929069T2 publication Critical patent/DE69929069T2/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
    • 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
    • G10L19/22—Mode decision, i.e. based on audio signal content versus external parameters
    • 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
    • G10L2019/0001—Codebooks
    • G10L2019/0004—Design or structure of the codebook
    • G10L2019/0005—Multi-stage vector quantisation

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)
  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
DE69929069T 1998-09-16 1999-08-24 Verfahren und vorrchtung zur celp kodierung und dekodierung Expired - Lifetime DE69929069T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE9803164A SE521225C2 (sv) 1998-09-16 1998-09-16 Förfarande och anordning för CELP-kodning/avkodning
SE9803164 1998-09-16
PCT/SE1999/001432 WO2000016314A2 (en) 1998-09-16 1999-08-24 Celp encoding/decoding method and apparatus

Publications (2)

Publication Number Publication Date
DE69929069D1 true DE69929069D1 (de) 2006-01-26
DE69929069T2 DE69929069T2 (de) 2006-07-20

Family

ID=20412632

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69929069T Expired - Lifetime DE69929069T2 (de) 1998-09-16 1999-08-24 Verfahren und vorrchtung zur celp kodierung und dekodierung

Country Status (15)

Country Link
US (2) US7146311B1 (de)
EP (1) EP1114413B1 (de)
JP (1) JP4651195B2 (de)
KR (1) KR100416362B1 (de)
CN (1) CN1143270C (de)
AR (1) AR020466A1 (de)
AU (1) AU756483B2 (de)
BR (1) BRPI9913756B8 (de)
CA (1) CA2343191C (de)
DE (1) DE69929069T2 (de)
MY (1) MY121083A (de)
SE (1) SE521225C2 (de)
TW (1) TW516275B (de)
WO (1) WO2000016314A2 (de)
ZA (1) ZA200101866B (de)

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JP3900000B2 (ja) 2002-05-07 2007-03-28 ソニー株式会社 符号化方法及び装置、復号方法及び装置、並びにプログラム
KR100465316B1 (ko) * 2002-11-18 2005-01-13 한국전자통신연구원 음성 부호화기 및 이를 이용한 음성 부호화 방법
FR2867649A1 (fr) * 2003-12-10 2005-09-16 France Telecom Procede de codage multiple optimise
CN101138022B (zh) * 2005-03-09 2011-08-10 艾利森电话股份有限公司 低复杂度码激励线性预测编码及解码的方法及装置
US8031583B2 (en) 2005-03-30 2011-10-04 Motorola Mobility, Inc. Method and apparatus for reducing round trip latency and overhead within a communication system
KR100795727B1 (ko) * 2005-12-08 2008-01-21 한국전자통신연구원 Ｃｅｌｐ기반의 음성 코더에서 고정 코드북 검색 장치 및방법
US8712766B2 (en) * 2006-05-16 2014-04-29 Motorola Mobility Llc Method and system for coding an information signal using closed loop adaptive bit allocation
ES2366551T3 (es) * 2006-11-29 2011-10-21 Loquendo Spa Codificación y decodificación dependiente de una fuente de múltiples libros de códigos.
KR101398836B1 (ko) * 2007-08-02 2014-05-26 삼성전자주식회사 스피치 코덱들의 고정 코드북들을 공통 모듈로 구현하는방법 및 장치
JP2011518345A (ja) * 2008-03-14 2011-06-23 ドルビー・ラボラトリーズ・ライセンシング・コーポレーション スピーチライク信号及びノンスピーチライク信号のマルチモードコーディング
KR101520685B1 (ko) * 2008-07-04 2015-05-15 엘지전자 주식회사 복수의 코드북을 이용하는 다중 셀 환경에서의 셀 간 간섭 제거 방법
US20120008687A1 (en) * 2010-07-06 2012-01-12 Apple Inc. Video coding using vector quantized deblocking filters
US9628821B2 (en) 2010-10-01 2017-04-18 Apple Inc. Motion compensation using decoder-defined vector quantized interpolation filters
SG191771A1 (en) 2010-12-29 2013-08-30 Samsung Electronics Co Ltd Apparatus and method for encoding/decoding for high-frequency bandwidth extension
EP2676268B1 (de) 2011-02-14 2014-12-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und verfahren zur verarbeitung eines dekodierten audiosignals in einem spektralbereich
KR101551046B1 (ko) 2011-02-14 2015-09-07 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 저-지연 통합 스피치 및 오디오 코딩에서 에러 은닉을 위한 장치 및 방법
WO2012110478A1 (en) 2011-02-14 2012-08-23 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Information signal representation using lapped transform
MY165853A (en) 2011-02-14 2018-05-18 Fraunhofer Ges Forschung Linear prediction based coding scheme using spectral domain noise shaping
AR085217A1 (es) 2011-02-14 2013-09-18 Fraunhofer Ges Forschung Aparato y metodo para codificar una porcion de una señal de audio utilizando deteccion de un transiente y resultado de calidad
SG192747A1 (en) * 2011-02-14 2013-09-30 Fraunhofer Ges Forschung Encoding and decoding of pulse positions of tracks of an audio signal
PL2676264T3 (pl) 2011-02-14 2015-06-30 Fraunhofer Ges Forschung Koder audio estymujący szum tła podczas faz aktywnych

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JPH02250100A (ja) * 1989-03-24 1990-10-05 Mitsubishi Electric Corp 音声符合化装置
JPH0365822A (ja) * 1989-08-04 1991-03-20 Fujitsu Ltd ベクトル量子化符号器及びベクトル量子化復号器
US5754976A (en) * 1990-02-23 1998-05-19 Universite De Sherbrooke Algebraic codebook with signal-selected pulse amplitude/position combinations for fast coding of speech
JP2796408B2 (ja) * 1990-06-18 1998-09-10 シャープ株式会社 音声情報圧縮装置
JP3151874B2 (ja) * 1991-02-26 2001-04-03 日本電気株式会社 音声パラメータ符号化方式および装置
JPH04333900A (ja) * 1991-05-10 1992-11-20 Matsushita Electric Ind Co Ltd 音声符号化装置
US5371853A (en) * 1991-10-28 1994-12-06 University Of Maryland At College Park Method and system for CELP speech coding and codebook for use therewith
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JPH07202820A (ja) 1993-12-28 1995-08-04 Matsushita Electric Ind Co Ltd ビットレート制御システム
JP3020819B2 (ja) * 1994-10-20 2000-03-15 ダイワ精工株式会社 魚釣用リ−ル
JPH08179796A (ja) * 1994-12-21 1996-07-12 Sony Corp 音声符号化方法
FR2729245B1 (fr) * 1995-01-06 1997-04-11 Lamblin Claude Procede de codage de parole a prediction lineaire et excitation par codes algebriques
SE506379C3 (sv) * 1995-03-22 1998-01-19 Ericsson Telefon Ab L M Lpc-talkodare med kombinerad excitation
TW321810B (de) 1995-10-26 1997-12-01 Sony Co Ltd
KR0176788B1 (ko) * 1995-12-27 1999-04-01 구자홍 음성인식의 자동모델 결정방법
US5778335A (en) * 1996-02-26 1998-07-07 The Regents Of The University Of California Method and apparatus for efficient multiband celp wideband speech and music coding and decoding
JPH1020889A (ja) * 1996-07-01 1998-01-23 Matsushita Electric Ind Co Ltd 音声符号化装置および記録媒体
JPH1020891A (ja) * 1996-07-09 1998-01-23 Sony Corp 音声符号化方法及び装置
US6055496A (en) * 1997-03-19 2000-04-25 Nokia Mobile Phones, Ltd. Vector quantization in celp speech coder
TW408298B (en) * 1997-08-28 2000-10-11 Texas Instruments Inc Improved method for switched-predictive quantization
KR19990061297A (ko) * 1997-12-31 1999-07-26 정몽규 자동차의 음성명령 인식방법 및 음성명령 인식장치

Also Published As

Publication number Publication date
CA2343191C (en) 2009-10-27
AU756483B2 (en) 2003-01-16
US20050096901A1 (en) 2005-05-05
BRPI9913756B1 (pt) 2016-07-05
AR020466A1 (es) 2002-05-15
ZA200101866B (en) 2001-09-11
JP2002525666A (ja) 2002-08-13
KR100416362B1 (ko) 2004-01-31
SE9803164D0 (sv) 1998-09-16
CN1318189A (zh) 2001-10-17
BR9913756A (pt) 2001-06-05
US7194408B2 (en) 2007-03-20
KR20010075133A (ko) 2001-08-09
CA2343191A1 (en) 2000-03-23
BRPI9913756B8 (pt) 2016-08-02
TW516275B (en) 2003-01-01
DE69929069T2 (de) 2006-07-20
CN1143270C (zh) 2004-03-24
EP1114413B1 (de) 2005-12-21
WO2000016314A2 (en) 2000-03-23
US7146311B1 (en) 2006-12-05
MY121083A (en) 2005-12-30
JP4651195B2 (ja) 2011-03-16
SE9803164L (sv) 2000-03-17
EP1114413A2 (de) 2001-07-11
WO2000016314A3 (en) 2000-06-08
AU6375699A (en) 2000-04-03
SE521225C2 (sv) 2003-10-14

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