ES2136649T3 - Desplazamiento de tiempo para codificacion con analisis por sintesis. - Google Patents

Desplazamiento de tiempo para codificacion con analisis por sintesis.

Info

Publication number
ES2136649T3
ES2136649T3 ES93309580T ES93309580T ES2136649T3 ES 2136649 T3 ES2136649 T3 ES 2136649T3 ES 93309580 T ES93309580 T ES 93309580T ES 93309580 T ES93309580 T ES 93309580T ES 2136649 T3 ES2136649 T3 ES 2136649T3
Authority
ES
Spain
Prior art keywords
original signal
signal
trial
analysis
coding
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
ES93309580T
Other languages
English (en)
Spanish (es)
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 Corp
Original Assignee
AT&T Corp
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 AT&T Corp filed Critical AT&T Corp
Application granted granted Critical
Publication of ES2136649T3 publication Critical patent/ES2136649T3/es
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)
ES93309580T 1992-12-14 1993-12-01 Desplazamiento de tiempo para codificacion con analisis por sintesis. Expired - Lifetime ES2136649T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US99030992A 1992-12-14 1992-12-14

Publications (1)

Publication Number Publication Date
ES2136649T3 true ES2136649T3 (es) 1999-12-01

Family

ID=25536013

Family Applications (1)

Application Number Title Priority Date Filing Date
ES93309580T Expired - Lifetime ES2136649T3 (es) 1992-12-14 1993-12-01 Desplazamiento de tiempo para codificacion con analisis por sintesis.

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
FI118704B (fi) 2003-10-07 2008-02-15 Nokia Corp Menetelmä ja laite lähdekoodauksen tekemiseksi
DE602004030594D1 (de) 2003-10-07 2011-01-27 Panasonic Corp Verfahren zur entscheidung der zeitgrenze zur codierung der spektro-hülle und frequenzauflösung
US8744091B2 (en) 2010-11-12 2014-06-03 Apple Inc. Intelligibility control using ambient noise detection
ES3059160T3 (en) * 2012-11-13 2026-03-19 Samsung Electronics Co Ltd Apparatus for determining encoding mode
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.
DE69129329T2 (de) * 1990-09-14 1998-09-24 Fujitsu Ltd Sprachkodierungsystem
ES2115646T3 (es) * 1991-10-25 1998-07-01 At & T Corp Metodo y aparato generalizados de codificacion vocal mediante analisis por sintesis.

Also Published As

Publication number Publication date
EP0602826A2 (fr) 1994-06-22
DE69326126T2 (de) 2000-07-06
CA2102080A1 (fr) 1994-06-15
DE69326126D1 (de) 1999-09-30
JPH06214600A (ja) 1994-08-05
CA2102080C (fr) 1998-07-28
EP0602826A3 (fr) 1994-12-07
JP3770925B2 (ja) 2006-04-26
EP0602826B1 (fr) 1999-08-25
MX9307743A (es) 1994-06-30

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