DE69711715T2 - Anregungsvektorerzeugung - Google Patents

Anregungsvektorerzeugung

Info

Publication number
DE69711715T2
DE69711715T2 DE69711715T DE69711715T DE69711715T2 DE 69711715 T2 DE69711715 T2 DE 69711715T2 DE 69711715 T DE69711715 T DE 69711715T DE 69711715 T DE69711715 T DE 69711715T DE 69711715 T2 DE69711715 T2 DE 69711715T2
Authority
DE
Germany
Prior art keywords
vector generation
excitation vector
excitation
generation
vector
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
DE69711715T
Other languages
English (en)
Other versions
DE69711715D1 (de
Inventor
Kazutoshi Yasunaga
Toshiyuki Morii
Taisuke Watanabe
Hiroyuki Ehara
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.)
Panasonic Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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=27459954&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69711715(T2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from JP29473896A external-priority patent/JP4003240B2/ja
Priority claimed from JP31032496A external-priority patent/JP4006770B2/ja
Priority claimed from JP03458297A external-priority patent/JP3174742B2/ja
Priority claimed from JP03458397A external-priority patent/JP3700310B2/ja
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of DE69711715D1 publication Critical patent/DE69711715D1/de
Application granted granted Critical
Publication of DE69711715T2 publication Critical patent/DE69711715T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • G10L19/12—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
    • G10L19/135—Vector sum excited linear prediction [VSELP]
    • 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
    • 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
    • G10L2019/0001—Codebooks
    • G10L2019/0007—Codebook element generation
    • 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
    • G10L2019/0001—Codebooks
    • G10L2019/0013—Codebook search algorithms
DE69711715T 1996-11-07 1997-11-06 Anregungsvektorerzeugung Expired - Lifetime DE69711715T2 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP29473896A JP4003240B2 (ja) 1996-11-07 1996-11-07 音声符号化装置及び音声復号化装置
JP31032496A JP4006770B2 (ja) 1996-11-21 1996-11-21 ノイズ推定装置、ノイズ削減装置、ノイズ推定方法、及びノイズ削減方法
JP03458297A JP3174742B2 (ja) 1997-02-19 1997-02-19 Ｃｅｌｐ型音声復号化装置及びｃｅｌｐ型音声復号化方法
JP03458397A JP3700310B2 (ja) 1997-02-19 1997-02-19 ベクトル量子化装置及びベクトル量子化方法

Publications (2)

Publication Number Publication Date
DE69711715D1 DE69711715D1 (de) 2002-05-08
DE69711715T2 true DE69711715T2 (de) 2002-07-18

Family

ID=27459954

Family Applications (17)

Application Number Title Priority Date Filing Date
DE69708697T Expired - Lifetime DE69708697T2 (de) 1996-11-07 1997-11-06 Verfahren zur Erzeugung eines Vektorquantisierungs-codebuchs, und Vorrichtung und Verfahren zur Sprachcodierung/-decodierung
DE69723324T Expired - Lifetime DE69723324T2 (de) 1996-11-07 1997-11-06 Verfahren zur Erzeugung eines Vektorquantisierungs-codebuchs
DE69712539T Expired - Lifetime DE69712539T2 (de) 1996-11-07 1997-11-06 Verfahren und Vorrichtung zur Erzeugung eines Vektorquantisierungs-Codebuchs
DE69712928T Expired - Lifetime DE69712928T2 (de) 1996-11-07 1997-11-06 Verfahren zur Erzeugung eines Vektorquantisierungs-codebuchs
DE69712537T Expired - Lifetime DE69712537T2 (de) 1996-11-07 1997-11-06 Verfahren zur Erzeugung eines Vektorquantisierungs-Codebuchs
DE69713633T Expired - Lifetime DE69713633T2 (de) 1996-11-07 1997-11-06 Verfahren zur Erzeugung eines Vektorquantisierungs-Codebuchs
DE69730316T Expired - Lifetime DE69730316T2 (de) 1996-11-07 1997-11-06 Schallquellengenerator, sprachkodierer und sprachdekodierer
DE69708696T Expired - Lifetime DE69708696T2 (de) 1996-11-07 1997-11-06 Verfahren und Vorrichtung zur Erzeugung eines Vektorquantisierungs-codebuchs
DE69711715T Expired - Lifetime DE69711715T2 (de) 1996-11-07 1997-11-06 Anregungsvektorerzeugung
DE69708693.3T Expired - Lifetime DE69708693C5 (de) 1996-11-07 1997-11-06 Verfahren und Vorrichtung für CELP Sprachcodierung oder -decodierung
DE69721595T Expired - Lifetime DE69721595T2 (de) 1996-11-07 1997-11-06 Verfahren zur Erzeugung eines Vektorquantisierungs-Codebuchs
DE69710794T Expired - Lifetime DE69710794T2 (de) 1996-11-07 1997-11-06 Vorrichtungzur Erzeugung eines Vektorquantisierungs-Codebuchs
DE69710505T Expired - Lifetime DE69710505T2 (de) 1996-11-07 1997-11-06 Verfahren und Vorrichtung zur Erzeugung eines Vektorquantisierungs-Codebuchs
DE69712538T Expired - Lifetime DE69712538T2 (de) 1996-11-07 1997-11-06 Verfahren zur Erzeugung eines Vektorquantisierungs-Codebuchs
DE69712535T Expired - Lifetime DE69712535T2 (de) 1996-11-07 1997-11-06 Vorrichtung zur Erzeugung eines Vektorquantisierungs-Codebuchs
DE69712927T Expired - Lifetime DE69712927T2 (de) 1996-11-07 1997-11-06 CELP-Codec
DE69715478T Expired - Lifetime DE69715478T2 (de) 1996-11-07 1997-11-06 Verfahren und Vorrichtung zur CELP Sprachkodierung und -dekodierung

Family Applications Before (8)

Application Number Title Priority Date Filing Date
DE69708697T Expired - Lifetime DE69708697T2 (de) 1996-11-07 1997-11-06 Verfahren zur Erzeugung eines Vektorquantisierungs-codebuchs, und Vorrichtung und Verfahren zur Sprachcodierung/-decodierung
DE69723324T Expired - Lifetime DE69723324T2 (de) 1996-11-07 1997-11-06 Verfahren zur Erzeugung eines Vektorquantisierungs-codebuchs
DE69712539T Expired - Lifetime DE69712539T2 (de) 1996-11-07 1997-11-06 Verfahren und Vorrichtung zur Erzeugung eines Vektorquantisierungs-Codebuchs
DE69712928T Expired - Lifetime DE69712928T2 (de) 1996-11-07 1997-11-06 Verfahren zur Erzeugung eines Vektorquantisierungs-codebuchs
DE69712537T Expired - Lifetime DE69712537T2 (de) 1996-11-07 1997-11-06 Verfahren zur Erzeugung eines Vektorquantisierungs-Codebuchs
DE69713633T Expired - Lifetime DE69713633T2 (de) 1996-11-07 1997-11-06 Verfahren zur Erzeugung eines Vektorquantisierungs-Codebuchs
DE69730316T Expired - Lifetime DE69730316T2 (de) 1996-11-07 1997-11-06 Schallquellengenerator, sprachkodierer und sprachdekodierer
DE69708696T Expired - Lifetime DE69708696T2 (de) 1996-11-07 1997-11-06 Verfahren und Vorrichtung zur Erzeugung eines Vektorquantisierungs-codebuchs

Family Applications After (8)

Application Number Title Priority Date Filing Date
DE69708693.3T Expired - Lifetime DE69708693C5 (de) 1996-11-07 1997-11-06 Verfahren und Vorrichtung für CELP Sprachcodierung oder -decodierung
DE69721595T Expired - Lifetime DE69721595T2 (de) 1996-11-07 1997-11-06 Verfahren zur Erzeugung eines Vektorquantisierungs-Codebuchs
DE69710794T Expired - Lifetime DE69710794T2 (de) 1996-11-07 1997-11-06 Vorrichtungzur Erzeugung eines Vektorquantisierungs-Codebuchs
DE69710505T Expired - Lifetime DE69710505T2 (de) 1996-11-07 1997-11-06 Verfahren und Vorrichtung zur Erzeugung eines Vektorquantisierungs-Codebuchs
DE69712538T Expired - Lifetime DE69712538T2 (de) 1996-11-07 1997-11-06 Verfahren zur Erzeugung eines Vektorquantisierungs-Codebuchs
DE69712535T Expired - Lifetime DE69712535T2 (de) 1996-11-07 1997-11-06 Vorrichtung zur Erzeugung eines Vektorquantisierungs-Codebuchs
DE69712927T Expired - Lifetime DE69712927T2 (de) 1996-11-07 1997-11-06 CELP-Codec
DE69715478T Expired - Lifetime DE69715478T2 (de) 1996-11-07 1997-11-06 Verfahren und Vorrichtung zur CELP Sprachkodierung und -dekodierung

Country Status (9)

Country Link
US (20) US6453288B1 (de)
EP (16) EP0883107B9 (de)
KR (9) KR20030096444A (de)
CN (11) CN1262994C (de)
AU (1) AU4884297A (de)
CA (1) CA2242345C (de)
DE (17) DE69708697T2 (de)
HK (2) HK1017472A1 (de)
WO (1) WO1998020483A1 (de)

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EP1071077A3 (de) 2001-01-31
EP1074977B1 (de) 2003-07-02
DE69710794T2 (de) 2002-08-08
DE69710505D1 (de) 2002-03-21
EP0992981A2 (de) 2000-04-12
KR19990077080A (ko) 1999-10-25
CN1338727A (zh) 2002-03-06
EP1217614A1 (de) 2002-06-26
US6757650B2 (en) 2004-06-29
DE69712535D1 (de) 2002-06-13
DE69710794D1 (de) 2002-04-04
CN1262994C (zh) 2006-07-05
US20120185242A1 (en) 2012-07-19
CN1338724A (zh) 2002-03-06
EP1071077B1 (de) 2002-05-08
CN1207195A (zh) 1999-02-03
US8036887B2 (en) 2011-10-11
US20060235682A1 (en) 2006-10-19
DE69715478D1 (de) 2002-10-17
EP0991054A3 (de) 2000-04-12
CN1495706A (zh) 2004-05-12
EP1071081A2 (de) 2001-01-24
CN1170268C (zh) 2004-10-06
DE69712928T2 (de) 2003-04-03
KR100306817B1 (ko) 2001-11-14
US20010029448A1 (en) 2001-10-11
US20010034600A1 (en) 2001-10-25
EP1071081A3 (de) 2001-01-31
DE69713633T2 (de) 2002-10-31
KR100304391B1 (ko) 2001-11-09
DE69712535T2 (de) 2002-08-29
WO1998020483A1 (fr) 1998-05-14
US20070100613A1 (en) 2007-05-03
US6421639B1 (en) 2002-07-16
US7398205B2 (en) 2008-07-08
US7587316B2 (en) 2009-09-08
US6330535B1 (en) 2001-12-11
KR100306814B1 (ko) 2001-11-09
DE69712927D1 (de) 2002-07-04
US6799160B2 (en) 2004-09-28
CN1338723A (zh) 2002-03-06
DE69721595T2 (de) 2003-11-27
EP0883107B1 (de) 2004-08-18
US8370137B2 (en) 2013-02-05
DE69721595D1 (de) 2003-06-05
CN1167047C (zh) 2004-09-15
EP1094447A2 (de) 2001-04-25
DE69708693C5 (de) 2021-10-28
CN1503223A (zh) 2004-06-09
EP0991054B1 (de) 2001-11-28
US6345247B1 (en) 2002-02-05
CN1169117C (zh) 2004-09-29
US20050203736A1 (en) 2005-09-15
EP1094447B1 (de) 2002-05-29
EP1071077A2 (de) 2001-01-24
DE69708696D1 (de) 2002-01-10
CN102129862B (zh) 2013-05-29
EP0992982B1 (de) 2001-11-28
EP1071081B1 (de) 2002-05-08
KR20040000406A (ko) 2004-01-03
CN1338725A (zh) 2002-03-06
EP0883107B9 (de) 2005-01-26
US20010039491A1 (en) 2001-11-08
EP1074977A1 (de) 2001-02-07
EP0991054A2 (de) 2000-04-05
EP0883107A1 (de) 1998-12-09
EP1071078B1 (de) 2002-02-13
KR100339168B1 (ko) 2002-06-03
DE69710505T2 (de) 2002-06-27
US20020007271A1 (en) 2002-01-17
DE69723324D1 (de) 2003-08-07
EP1136985A3 (de) 2001-10-10
DE69712539D1 (de) 2002-06-13
US8086450B2 (en) 2011-12-27
US20100324892A1 (en) 2010-12-23
US6330534B1 (en) 2001-12-11
EP0883107A4 (de) 2000-07-26
EP1071080B1 (de) 2002-05-08
DE69708697D1 (de) 2002-01-10
DE69712928D1 (de) 2002-07-04
US6947889B2 (en) 2005-09-20
EP0992982A3 (de) 2000-04-26
CA2242345A1 (en) 1998-05-14
CN1170269C (zh) 2004-10-06
US20010027391A1 (en) 2001-10-04
DE69712539T2 (de) 2002-08-29
EP1085504A3 (de) 2001-03-28
CN102129862A (zh) 2011-07-20
EP1071080A3 (de) 2001-01-31
EP1074978B1 (de) 2002-02-27

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