AU2075199A - Method and device for coding lag parameter and code book preparing method - Google Patents

Method and device for coding lag parameter and code book preparing method

Info

Publication number
AU2075199A
AU2075199A AU20751/99A AU2075199A AU2075199A AU 2075199 A AU2075199 A AU 2075199A AU 20751/99 A AU20751/99 A AU 20751/99A AU 2075199 A AU2075199 A AU 2075199A AU 2075199 A AU2075199 A AU 2075199A
Authority
AU
Australia
Prior art keywords
code book
lag parameter
coding
book preparing
coding lag
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.)
Abandoned
Application number
AU20751/99A
Inventor
Koji Yoshida
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 Holdings 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
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of AU2075199A publication Critical patent/AU2075199A/en
Abandoned 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
    • G10L19/005—Correction of errors induced by the transmission channel, if related to the coding algorithm
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L13/00—Speech synthesis; Text to speech systems
    • 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
    • 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
    • G10L2019/0011—Long term prediction filters, i.e. pitch estimation
AU20751/99A 1998-01-27 1999-01-26 Method and device for coding lag parameter and code book preparing method Abandoned AU2075199A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP10-29332 1998-01-27
JP2933298 1998-01-27
PCT/JP1999/000294 WO1999038157A1 (en) 1998-01-27 1999-01-26 Method and device for coding lag parameter and code book preparing method

Publications (1)

Publication Number Publication Date
AU2075199A true AU2075199A (en) 1999-08-09

Family

ID=12273290

Family Applications (1)

Application Number Title Priority Date Filing Date
AU20751/99A Abandoned AU2075199A (en) 1998-01-27 1999-01-26 Method and device for coding lag parameter and code book preparing method

Country Status (6)

Country Link
EP (1) EP0971338A1 (en)
KR (1) KR20010005669A (en)
CN (1) CN1256001A (en)
AU (1) AU2075199A (en)
CA (1) CA2283203A1 (en)
WO (1) WO1999038157A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8793557B2 (en) 2011-05-19 2014-07-29 Cambrige Silicon Radio Limited Method and apparatus for real-time multidimensional adaptation of an audio coding system
US8819523B2 (en) * 2011-05-19 2014-08-26 Cambridge Silicon Radio Limited Adaptive controller for a configurable audio coding system
CN103474075B (en) * 2013-08-19 2016-12-28 科大讯飞股份有限公司 Voice signal sending method and system, method of reseptance and system

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3250367B2 (en) * 1994-04-15 2002-01-28 松下電器産業株式会社 Encoded signal decoding method and apparatus
JPH09261070A (en) * 1996-03-22 1997-10-03 Sony Corp Digital audio signal processing unit
JPH10200580A (en) * 1997-01-16 1998-07-31 Matsushita Electric Ind Co Ltd Method for reproducing voice packet
JP3287543B2 (en) * 1997-01-24 2002-06-04 日本電信電話株式会社 Error correction encoding method and decoding method

Also Published As

Publication number Publication date
CA2283203A1 (en) 1999-07-29
CN1256001A (en) 2000-06-07
WO1999038157A1 (en) 1999-07-29
KR20010005669A (en) 2001-01-15
EP0971338A1 (en) 2000-01-12

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase