CA2102080C - Decalage temporel pour le codage generalise d'analyse par synthese - Google Patents

Decalage temporel pour le codage generalise d'analyse par synthese

Info

Publication number
CA2102080C
CA2102080C CA002102080A CA2102080A CA2102080C CA 2102080 C CA2102080 C CA 2102080C CA 002102080 A CA002102080 A CA 002102080A CA 2102080 A CA2102080 A CA 2102080A CA 2102080 C CA2102080 C CA 2102080C
Authority
CA
Canada
Prior art keywords
original signal
signal
trial
original
samples
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
CA002102080A
Other languages
English (en)
Other versions
CA2102080A1 (fr
Inventor
Willem Bastiaan Kleijn
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.)
AT&T Inc
Original Assignee
American Telephone and Telegraph Co 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 American Telephone and Telegraph Co Inc filed Critical American Telephone and Telegraph Co Inc
Publication of CA2102080A1 publication Critical patent/CA2102080A1/fr
Application granted granted Critical
Publication of CA2102080C publication Critical patent/CA2102080C/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; 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 TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; 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
    • G10L2019/0002—Codebook adaptations
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; 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
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
CA002102080A 1992-12-14 1993-10-29 Decalage temporel pour le codage generalise d'analyse par synthese Expired - Lifetime CA2102080C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US99030992A 1992-12-14 1992-12-14
US990,309 1992-12-14

Publications (2)

Publication Number Publication Date
CA2102080A1 CA2102080A1 (fr) 1994-06-15
CA2102080C true CA2102080C (fr) 1998-07-28

Family

ID=25536013

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002102080A Expired - Lifetime CA2102080C (fr) 1992-12-14 1993-10-29 Decalage temporel pour le codage generalise d'analyse par synthese

Country Status (6)

Country Link
EP (1) EP0602826B1 (fr)
JP (1) JP3770925B2 (fr)
CA (1) CA2102080C (fr)
DE (1) DE69326126T2 (fr)
ES (1) ES2136649T3 (fr)
MX (1) MX9307743A (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5704003A (en) * 1995-09-19 1997-12-30 Lucent Technologies Inc. RCELP coder
CA2213909C (fr) * 1996-08-26 2002-01-22 Nec Corporation Codeur de paroles haute qualite utilisant de faibles debits binaires
FI113903B (fi) * 1997-05-07 2004-06-30 Nokia Corp Puheen koodaus
JP4857467B2 (ja) * 2001-01-25 2012-01-18 ソニー株式会社 データ処理装置およびデータ処理方法、並びにプログラムおよび記録媒体
JP4857468B2 (ja) * 2001-01-25 2012-01-18 ソニー株式会社 データ処理装置およびデータ処理方法、並びにプログラムおよび記録媒体
JP3888097B2 (ja) 2001-08-02 2007-02-28 松下電器産業株式会社 ピッチ周期探索範囲設定装置、ピッチ周期探索装置、復号化適応音源ベクトル生成装置、音声符号化装置、音声復号化装置、音声信号送信装置、音声信号受信装置、移動局装置、及び基地局装置
CA2365203A1 (fr) 2001-12-14 2003-06-14 Voiceage Corporation Methode de modification de signal pour le codage efficace de signaux de la parole
JP4767687B2 (ja) 2003-10-07 2011-09-07 パナソニック株式会社 スペクトル包絡線符号化のための時間境界及び周波数分解能の決定方法
FI118704B (fi) 2003-10-07 2008-02-15 Nokia Corp Menetelmä ja laite lähdekoodauksen tekemiseksi
US8744091B2 (en) * 2010-11-12 2014-06-03 Apple Inc. Intelligibility control using ambient noise detection
ES2900594T3 (es) * 2012-11-13 2022-03-17 Samsung Electronics Co Ltd Procedimiento para determinar un modo de codificación
CN120858406A (zh) * 2023-03-21 2025-10-28 瑞典爱立信有限公司 颗粒合成数据库的编码

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8902347A (nl) * 1989-09-20 1991-04-16 Nederland Ptt Werkwijze voor het coderen van een binnen een zeker tijdsinterval voorkomend analoog signaal, waarbij dat analoge signaal wordt geconverteerd in besturingscodes die bruikbaar zijn voor het samenstellen van een met dat analoge signaal overeenkomend synthetisch signaal.
US5323486A (en) * 1990-09-14 1994-06-21 Fujitsu Limited Speech coding system having codebook storing differential vectors between each two adjoining code vectors
EP0539103B1 (fr) * 1991-10-25 1998-04-29 AT&T Corp. Méthode généralisée d'analyse par synthèse et dispositif pour le codage de la parole

Also Published As

Publication number Publication date
DE69326126D1 (de) 1999-09-30
EP0602826A2 (fr) 1994-06-22
CA2102080A1 (fr) 1994-06-15
JPH06214600A (ja) 1994-08-05
JP3770925B2 (ja) 2006-04-26
EP0602826B1 (fr) 1999-08-25
ES2136649T3 (es) 1999-12-01
DE69326126T2 (de) 2000-07-06
EP0602826A3 (fr) 1994-12-07
MX9307743A (es) 1994-06-30

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Effective date: 20131029