FR2815160B1 - METHOD AND DEVICE FOR CODING AN AUDIO FREQUENCY SIGNAL - Google Patents

METHOD AND DEVICE FOR CODING AN AUDIO FREQUENCY SIGNAL

Info

Publication number
FR2815160B1
FR2815160B1 FR0012792A FR0012792A FR2815160B1 FR 2815160 B1 FR2815160 B1 FR 2815160B1 FR 0012792 A FR0012792 A FR 0012792A FR 0012792 A FR0012792 A FR 0012792A FR 2815160 B1 FR2815160 B1 FR 2815160B1
Authority
FR
France
Prior art keywords
coding
frequency signal
audio frequency
audio
signal
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 - Fee Related
Application number
FR0012792A
Other languages
French (fr)
Other versions
FR2815160A1 (en
Inventor
Guyader Alain Le
Catherine Quinquis
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.)
Orange SA
Original Assignee
France Telecom SA
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 France Telecom SA filed Critical France Telecom SA
Priority to FR0012792A priority Critical patent/FR2815160B1/en
Priority to PCT/FR2001/003060 priority patent/WO2002029786A1/en
Priority to AU2001293950A priority patent/AU2001293950A1/en
Publication of FR2815160A1 publication Critical patent/FR2815160A1/en
Application granted granted Critical
Publication of FR2815160B1 publication Critical patent/FR2815160B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
    • G10L2019/0004—Design or structure of the codebook
    • G10L2019/0005—Multi-stage vector quantisation
    • 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
FR0012792A 2000-10-06 2000-10-06 METHOD AND DEVICE FOR CODING AN AUDIO FREQUENCY SIGNAL Expired - Fee Related FR2815160B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR0012792A FR2815160B1 (en) 2000-10-06 2000-10-06 METHOD AND DEVICE FOR CODING AN AUDIO FREQUENCY SIGNAL
PCT/FR2001/003060 WO2002029786A1 (en) 2000-10-06 2001-10-04 Method and device for segmental coding of an audio signal
AU2001293950A AU2001293950A1 (en) 2000-10-06 2001-10-04 Method and device for segmental coding of an audio signal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0012792A FR2815160B1 (en) 2000-10-06 2000-10-06 METHOD AND DEVICE FOR CODING AN AUDIO FREQUENCY SIGNAL

Publications (2)

Publication Number Publication Date
FR2815160A1 FR2815160A1 (en) 2002-04-12
FR2815160B1 true FR2815160B1 (en) 2003-01-17

Family

ID=8855072

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0012792A Expired - Fee Related FR2815160B1 (en) 2000-10-06 2000-10-06 METHOD AND DEVICE FOR CODING AN AUDIO FREQUENCY SIGNAL

Country Status (3)

Country Link
AU (1) AU2001293950A1 (en)
FR (1) FR2815160B1 (en)
WO (1) WO2002029786A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6173484B2 (en) 2013-01-08 2017-08-02 ドルビー・インターナショナル・アーベー Model-based prediction in critically sampled filter banks

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02287399A (en) * 1989-04-28 1990-11-27 Fujitsu Ltd Vector quantization control system
US5621852A (en) * 1993-12-14 1997-04-15 Interdigital Technology Corporation Efficient codebook structure for code excited linear prediction coding

Also Published As

Publication number Publication date
AU2001293950A1 (en) 2002-04-15
WO2002029786A1 (en) 2002-04-11
FR2815160A1 (en) 2002-04-12

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Effective date: 20120629