HK1097637A1 - Excitation vector generator for speech coding and speech decoding - Google Patents

Excitation vector generator for speech coding and speech decoding

Info

Publication number
HK1097637A1
HK1097637A1 HK07103128.2A HK07103128A HK1097637A1 HK 1097637 A1 HK1097637 A1 HK 1097637A1 HK 07103128 A HK07103128 A HK 07103128A HK 1097637 A1 HK1097637 A1 HK 1097637A1
Authority
HK
Hong Kong
Prior art keywords
speech
vector generator
excitation vector
decoding
coding
Prior art date
Application number
HK07103128.2A
Other languages
English (en)
Inventor
Kazutoshi Yasunaga
Toshiyuki Morii
Original Assignee
Panasonic Corp
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=HK1097637(A1) "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 Panasonic Corp filed Critical Panasonic Corp
Publication of HK1097637A1 publication Critical patent/HK1097637A1/xx

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
HK07103128.2A 1997-10-22 2007-03-23 Excitation vector generator for speech coding and speech decoding HK1097637A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
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
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

Publications (1)

Publication Number Publication Date
HK1097637A1 true HK1097637A1 (en) 2007-06-29

Family

ID=27304940

Family Applications (10)

Application Number Title Priority Date Filing Date
HK00104635A HK1025417A1 (en) 1997-10-22 2000-07-26 Sound encoder and sound decoder
HK06110370A HK1090161A1 (en) 1997-10-22 2006-09-19 Orthogonalizarion search for the celp based speechcoding
HK06110927A HK1090465A1 (en) 1997-10-22 2006-10-03 Method and apparatus for the generation of vectorsfor speech decoding& x9;& x9;& x9;& x9;& x9;
HK07103128.2A HK1097637A1 (en) 1997-10-22 2007-03-23 Excitation vector generator for speech coding and speech decoding
HK07105319.6A HK1099138A1 (en) 1997-10-22 2007-05-21 Multistage vector quantization for speech encoding
HK07105320.3A HK1099117A1 (en) 1997-10-22 2007-05-21 Method and apparatus for generating dispersed vectors
HK07106627.1A HK1101839A1 (zh) 1997-10-22 2007-06-20 編碼器和 編碼方法
HK07108050.3A HK1103843A1 (en) 1997-10-22 2007-07-24 Sound encoder and sound decoder
HK07109794.2A HK1104655A1 (en) 1997-10-22 2007-09-07 Orthogonalization search for the celp based speech coding
HK08113638.3A HK1122639A1 (en) 1997-10-22 2008-12-16 Voice signal encoder and voice signal decoder

Family Applications Before (3)

Application Number Title Priority Date Filing Date
HK00104635A HK1025417A1 (en) 1997-10-22 2000-07-26 Sound encoder and sound decoder
HK06110370A HK1090161A1 (en) 1997-10-22 2006-09-19 Orthogonalizarion search for the celp based speechcoding
HK06110927A HK1090465A1 (en) 1997-10-22 2006-10-03 Method and apparatus for the generation of vectorsfor speech decoding& x9;& x9;& x9;& x9;& x9;

Family Applications After (6)

Application Number Title Priority Date Filing Date
HK07105319.6A HK1099138A1 (en) 1997-10-22 2007-05-21 Multistage vector quantization for speech encoding
HK07105320.3A HK1099117A1 (en) 1997-10-22 2007-05-21 Method and apparatus for generating dispersed vectors
HK07106627.1A HK1101839A1 (zh) 1997-10-22 2007-06-20 編碼器和 編碼方法
HK07108050.3A HK1103843A1 (en) 1997-10-22 2007-07-24 Sound encoder and sound decoder
HK07109794.2A HK1104655A1 (en) 1997-10-22 2007-09-07 Orthogonalization search for the celp based speech coding
HK08113638.3A HK1122639A1 (en) 1997-10-22 2008-12-16 Voice signal encoder and voice signal decoder

Country Status (8)

Country Link
US (10) US6415254B1 (xx)
EP (12) EP0967594B1 (xx)
KR (10) KR20050090026A (xx)
CN (1) CN100349208C (xx)
CA (3) CA2684452C (xx)
DE (8) DE69840855D1 (xx)
HK (10) HK1025417A1 (xx)
WO (1) WO1999021174A1 (xx)

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Publication number Publication date
EP0967594B1 (en) 2006-12-13
EP1760695A2 (en) 2007-03-07
EP1763019A1 (en) 2007-03-14
EP0967594A4 (en) 2002-08-21
US20040143432A1 (en) 2004-07-22
KR20080077032A (ko) 2008-08-20
KR100938018B1 (ko) 2010-01-21
HK1104655A1 (en) 2008-01-18
EP1746583B1 (en) 2008-09-17
US20020161575A1 (en) 2002-10-31
DE69838305D1 (de) 2007-10-04
CA2684452A1 (en) 1999-04-29
KR100938017B1 (ko) 2010-01-21
KR100886062B1 (ko) 2009-02-26
EP1760694A3 (en) 2007-03-14
US20070033019A1 (en) 2007-02-08
EP0967594A1 (en) 1999-12-29
EP1640970A2 (en) 2006-03-29
EP1752968A2 (en) 2007-02-14
DE69840009D1 (de) 2008-10-23
EP1752968B1 (en) 2008-09-10
WO1999021174A1 (en) 1999-04-29
HK1099117A1 (en) 2007-08-03
DE69839407T2 (de) 2008-09-04
EP1760695B1 (en) 2013-04-24
EP1760694A2 (en) 2007-03-07
EP1640970B9 (en) 2009-10-14
US7024356B2 (en) 2006-04-04
HK1090161A1 (en) 2006-12-15
CA2684379A1 (en) 1999-04-29
DE69836624D1 (de) 2007-01-25
EP2224597A1 (en) 2010-09-01
EP1640970B1 (en) 2007-08-22
WO1999021174A8 (en) 1999-07-01
EP1734512B1 (en) 2015-09-09
KR100527217B1 (ko) 2005-11-08
DE29825254U1 (de) 2007-03-01
KR20070087153A (ko) 2007-08-27
EP1684268B1 (en) 2008-04-23
EP1760695A3 (en) 2007-03-14
KR101029398B1 (ko) 2011-04-14
KR100925084B1 (ko) 2009-11-05
EP1684268A2 (en) 2006-07-26
HK1099138A1 (en) 2007-08-03
DE69840855D1 (de) 2009-07-09
CA2684379C (en) 2014-01-07
EP1746583A1 (en) 2007-01-24
HK1103843A1 (en) 2007-12-28
KR20040005928A (ko) 2004-01-16
DE69839407D1 (de) 2008-06-05
EP2224597B1 (en) 2011-12-21
US7499854B2 (en) 2009-03-03
EP1752968A3 (en) 2007-02-21
EP1684268A3 (en) 2007-02-07
CN100349208C (zh) 2007-11-14
DE69836624T2 (de) 2007-04-05
KR20080087152A (ko) 2008-09-30
EP1763019B1 (en) 2016-12-07
KR20070087151A (ko) 2007-08-27
EP1734512A2 (en) 2006-12-20
HK1101839A1 (zh) 2007-10-26
EP1746582B1 (en) 2009-05-27
EP1755227A2 (en) 2007-02-21
US20100228544A1 (en) 2010-09-09
CA2684452C (en) 2014-01-14
US20090132247A1 (en) 2009-05-21
KR20070087152A (ko) 2007-08-27
US7546239B2 (en) 2009-06-09
CA2275266C (en) 2005-06-14
CA2275266A1 (en) 1999-04-29
US20090138261A1 (en) 2009-05-28
KR20000069562A (ko) 2000-11-25
KR20080068942A (ko) 2008-07-24
EP1640970A3 (en) 2006-04-05
US8352253B2 (en) 2013-01-08
DE69838305T2 (de) 2007-12-20
HK1122639A1 (en) 2009-05-22
EP1734512A3 (en) 2007-01-17
DE69840038D1 (de) 2008-10-30
HK1090465A1 (en) 2006-12-22
EP1746582A1 (en) 2007-01-24
US7590527B2 (en) 2009-09-15
HK1025417A1 (en) 2000-11-10
KR20080078924A (ko) 2008-08-28
US20060080091A1 (en) 2006-04-13
EP1755227A3 (en) 2007-02-28
EP1755227B1 (en) 2008-09-10
KR100651438B1 (ko) 2006-11-28
US7373295B2 (en) 2008-05-13
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US20070255558A1 (en) 2007-11-01
US7533016B2 (en) 2009-05-12
US7925501B2 (en) 2011-04-12
KR20050090026A (ko) 2005-09-09
US6415254B1 (en) 2002-07-02
US8332214B2 (en) 2012-12-11
KR100900113B1 (ko) 2009-06-01
CN1632864A (zh) 2005-06-29
US20050203734A1 (en) 2005-09-15
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