DE69727578D1 - Verfahren und vorrichtung zum durchsuchen eines erregungskodebuches bei einem celp-kodierer - Google Patents

Verfahren und vorrichtung zum durchsuchen eines erregungskodebuches bei einem celp-kodierer

Info

Publication number
DE69727578D1
DE69727578D1 DE69727578T DE69727578T DE69727578D1 DE 69727578 D1 DE69727578 D1 DE 69727578D1 DE 69727578 T DE69727578 T DE 69727578T DE 69727578 T DE69727578 T DE 69727578T DE 69727578 D1 DE69727578 D1 DE 69727578D1
Authority
DE
Germany
Prior art keywords
browsing
code book
excitation code
celp encoder
analysis window
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
DE69727578T
Other languages
English (en)
Inventor
P Dejaco
Ning Bi
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.)
Qualcomm Inc
Original Assignee
Qualcomm 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 Qualcomm Inc filed Critical Qualcomm Inc
Application granted granted Critical
Publication of DE69727578D1 publication Critical patent/DE69727578D1/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
    • G10L15/00—Speech recognition
    • G10L15/02—Feature extraction for speech recognition; Selection of recognition unit
    • 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
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
    • G10L25/06—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being correlation coefficients
DE69727578T 1996-07-31 1997-07-31 Verfahren und vorrichtung zum durchsuchen eines erregungskodebuches bei einem celp-kodierer Expired - Lifetime DE69727578D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/690,709 US5751901A (en) 1996-07-31 1996-07-31 Method for searching an excitation codebook in a code excited linear prediction (CELP) coder
PCT/US1997/013594 WO1998005030A1 (en) 1996-07-31 1997-07-31 Method and apparatus for searching an excitation codebook in a code excited linear prediction (clep) coder

Publications (1)

Publication Number Publication Date
DE69727578D1 true DE69727578D1 (de) 2004-03-18

Family

ID=24773618

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69727578T Expired - Lifetime DE69727578D1 (de) 1996-07-31 1997-07-31 Verfahren und vorrichtung zum durchsuchen eines erregungskodebuches bei einem celp-kodierer

Country Status (13)

Country Link
US (1) US5751901A (de)
EP (1) EP0917710B1 (de)
JP (1) JP2000515998A (de)
KR (1) KR100497788B1 (de)
CN (1) CN1124589C (de)
AT (1) ATE259532T1 (de)
AU (1) AU719568B2 (de)
BR (1) BR9710640A (de)
CA (1) CA2261956A1 (de)
DE (1) DE69727578D1 (de)
FI (1) FI990181A (de)
IL (1) IL128285A0 (de)
WO (1) WO1998005030A1 (de)

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JP3981399B1 (ja) * 2006-03-10 2007-09-26 松下電器産業株式会社 固定符号帳探索装置および固定符号帳探索方法
US8920343B2 (en) 2006-03-23 2014-12-30 Michael Edward Sabatino Apparatus for acquiring and processing of physiological auditory signals
CN101842833B (zh) * 2007-09-11 2012-07-18 沃伊斯亚吉公司 语音和音频编码中快速代数码本搜索的方法和设备
JP6122961B2 (ja) * 2012-10-05 2017-04-26 フラウンホーファー−ゲゼルシャフト・ツール・フェルデルング・デル・アンゲヴァンテン・フォルシュング・アインゲトラーゲネル・フェライン 自己相関ドメインにおけるａｃｅｌｐを用いたスピーチ信号の符号化装置

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Also Published As

Publication number Publication date
CN1124589C (zh) 2003-10-15
EP0917710A1 (de) 1999-05-26
FI990181A (fi) 1999-03-31
US5751901A (en) 1998-05-12
FI990181A0 (fi) 1999-02-01
WO1998005030A1 (en) 1998-02-05
KR20000029745A (ko) 2000-05-25
KR100497788B1 (ko) 2005-06-29
CN1229502A (zh) 1999-09-22
EP0917710B1 (de) 2004-02-11
AU3969497A (en) 1998-02-20
ATE259532T1 (de) 2004-02-15
JP2000515998A (ja) 2000-11-28
IL128285A0 (en) 2000-02-17
AU719568B2 (en) 2000-05-11
CA2261956A1 (en) 1998-02-05
BR9710640A (pt) 2002-08-06

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