WO1999021174A8 - Sound encoder and sound decoder - Google Patents

Sound encoder and sound decoder

Info

Publication number
WO1999021174A8
WO1999021174A8 PCT/JP1998/004777 JP9804777W WO9921174A8 WO 1999021174 A8 WO1999021174 A8 WO 1999021174A8 JP 9804777 W JP9804777 W JP 9804777W WO 9921174 A8 WO9921174 A8 WO 9921174A8
Authority
WO
WIPO (PCT)
Prior art keywords
diffusion
sound
vectors
unit
channel
Prior art date
Application number
PCT/JP1998/004777
Other languages
English (en)
French (fr)
Other versions
WO1999021174A1 (en
Inventor
Kazutoshi Yasunaga
Toshiyuki Morii
Original Assignee
Matsushita Electric Ind Co Ltd
Kazutoshi Yasunaga
Toshiyuki Morii
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=27304940&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=WO1999021174(A8) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from JP28941297A external-priority patent/JP3235543B2/ja
Priority claimed from JP29513097A external-priority patent/JP3175667B2/ja
Priority claimed from JP08571798A external-priority patent/JP3174756B2/ja
Application filed by Matsushita Electric Ind Co Ltd, Kazutoshi Yasunaga, Toshiyuki Morii filed Critical Matsushita Electric Ind Co Ltd
Priority to CNB2005100062028A priority Critical patent/CN100349208C/zh
Priority to DE69836624T priority patent/DE69836624T2/de
Priority to US09/319,933 priority patent/US6415254B1/en
Priority to EP98950336A priority patent/EP0967594B1/en
Priority to CA002275266A priority patent/CA2275266C/en
Priority to KR10-2003-7013816A priority patent/KR100527217B1/ko
Priority to KR1019997005510A priority patent/KR100651438B1/ko
Publication of WO1999021174A1 publication Critical patent/WO1999021174A1/ja
Publication of WO1999021174A8 publication Critical patent/WO1999021174A8/ja
Priority to HK00104635A priority patent/HK1025417A1/xx
Priority to US10/133,735 priority patent/US7024356B2/en
Priority to US10/614,834 priority patent/US7373295B2/en
Priority to US11/125,184 priority patent/US7590527B2/en
Priority to US11/281,386 priority patent/US7499854B2/en
Priority to US11/508,849 priority patent/US7546239B2/en
Priority to US11/776,823 priority patent/US7533016B2/en
Priority to US12/357,093 priority patent/US8332214B2/en
Priority to US12/362,232 priority patent/US7925501B2/en
Priority to US12/783,974 priority patent/US8352253B2/en

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G10L19/107—Sparse pulse excitation, e.g. by using algebraic codebook
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
PCT/JP1998/004777 1997-10-22 1998-10-22 Sound encoder and sound decoder WO1999021174A1 (en)

Priority Applications (17)

Application Number Priority Date Filing Date Title
CNB2005100062028A CN100349208C (zh) 1997-10-22 1998-10-22 扩散矢量生成方法及扩散矢量生成装置
DE69836624T DE69836624T2 (de) 1997-10-22 1998-10-22 Audiokodierer und -dekodierer
US09/319,933 US6415254B1 (en) 1997-10-22 1998-10-22 Sound encoder and sound decoder
EP98950336A EP0967594B1 (en) 1997-10-22 1998-10-22 Sound encoder and sound decoder
CA002275266A CA2275266C (en) 1997-10-22 1998-10-22 Speech coder and speech decoder
KR10-2003-7013816A KR100527217B1 (ko) 1997-10-22 1998-10-22 확산 벡터 생성 방법, 확산 벡터 생성 장치, ｃｅｌｐ형 음성 복호화 방법 및 ｃｅｌｐ형 음성 복호화 장치
KR1019997005510A KR100651438B1 (ko) 1997-10-22 1998-10-22 음성 부호화 장치, ｃｅｌｐ 음성 부호화 방법, 대수적 구조 음원의 직교화 탐색 방법
HK00104635A HK1025417A1 (en) 1997-10-22 2000-07-26 Sound encoder and sound decoder
US10/133,735 US7024356B2 (en) 1997-10-22 2002-04-29 Speech coder and speech decoder
US10/614,834 US7373295B2 (en) 1997-10-22 2003-07-09 Speech coder and speech decoder
US11/125,184 US7590527B2 (en) 1997-10-22 2005-05-10 Speech coder using an orthogonal search and an orthogonal search method
US11/281,386 US7499854B2 (en) 1997-10-22 2005-11-18 Speech coder and speech decoder
US11/508,849 US7546239B2 (en) 1997-10-22 2006-08-24 Speech coder and speech decoder
US11/776,823 US7533016B2 (en) 1997-10-22 2007-07-12 Speech coder and speech decoder
US12/357,093 US8332214B2 (en) 1997-10-22 2009-01-21 Speech coder and speech decoder
US12/362,232 US7925501B2 (en) 1997-10-22 2009-01-29 Speech coder using an orthogonal search and an orthogonal search method
US12/783,974 US8352253B2 (en) 1997-10-22 2010-05-20 Speech coder and speech decoder

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP9/289412 1997-10-22
JP28941297A JP3235543B2 (ja) 1997-10-22 1997-10-22 音声符号化／復号化装置
JP29513097A JP3175667B2 (ja) 1997-10-28 1997-10-28 ベクトル量子化法
JP9/295130 1997-10-28
JP10/85717 1998-03-31
JP08571798A JP3174756B2 (ja) 1998-03-31 1998-03-31 音源ベクトル生成装置及び音源ベクトル生成方法

Related Child Applications (3)

Application Number Title Priority Date Filing Date
US09319933 A-371-Of-International 1998-10-22
US09/319,933 A-371-Of-International US6415254B1 (en) 1997-10-22 1998-10-22 Sound encoder and sound decoder
US10/133,735 Continuation US7024356B2 (en) 1997-10-22 2002-04-29 Speech coder and speech decoder

Publications (2)

Publication Number Publication Date
WO1999021174A1 WO1999021174A1 (en) 1999-04-29
WO1999021174A8 true WO1999021174A8 (en) 1999-07-01

Family

ID=27304940

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP1998/004777 WO1999021174A1 (en) 1997-10-22 1998-10-22 Sound encoder and sound decoder

Country Status (8)

Country Link
US (10) US6415254B1 (ja)
EP (12) EP1640970B9 (ja)
KR (10) KR100527217B1 (ja)
CN (1) CN100349208C (ja)
CA (3) CA2684452C (ja)
DE (8) DE69840009D1 (ja)
HK (10) HK1025417A1 (ja)
WO (1) WO1999021174A1 (ja)

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CN101359996B (zh) 2007-08-02 2012-04-04 华为技术有限公司 媒体业务呈现方法及通讯系统以及相关设备

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EP1746583B1 (en) 2008-09-17
KR100925084B1 (ko) 2009-11-05
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EP1640970B9 (en) 2009-10-14
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US20070033019A1 (en) 2007-02-08
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EP1752968A2 (en) 2007-02-14
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CA2684452A1 (en) 1999-04-29
US20090132247A1 (en) 2009-05-21
US20100228544A1 (en) 2010-09-09
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US20020161575A1 (en) 2002-10-31
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