DE69326126T2 - Zeitverschiebung zur Kodierung von Analyse durch Synthese - Google Patents

Zeitverschiebung zur Kodierung von Analyse durch Synthese

Info

Publication number
DE69326126T2
DE69326126T2 DE69326126T DE69326126T DE69326126T2 DE 69326126 T2 DE69326126 T2 DE 69326126T2 DE 69326126 T DE69326126 T DE 69326126T DE 69326126 T DE69326126 T DE 69326126T DE 69326126 T2 DE69326126 T2 DE 69326126T2
Authority
DE
Germany
Prior art keywords
synthesis
time difference
coding analysis
coding
analysis
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
DE69326126T
Other languages
English (en)
Other versions
DE69326126D1 (de
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 DE69326126D1 publication Critical patent/DE69326126D1/de
Publication of DE69326126T2 publication Critical patent/DE69326126T2/de
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)
DE69326126T 1992-12-14 1993-12-01 Zeitverschiebung zur Kodierung von Analyse durch Synthese Expired - Lifetime DE69326126T2 (de)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
DE69326126D1 DE69326126D1 (de) 1999-09-30
DE69326126T2 true DE69326126T2 (de) 2000-07-06

Family

ID=25536013

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69326126T Expired - Lifetime DE69326126T2 (de) 1992-12-14 1993-12-01 Zeitverschiebung zur Kodierung von Analyse durch Synthese

Country Status (6)

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

Families Citing this family (11)

* 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 (en) * 1996-08-26 2002-01-22 Nec Corporation High quality speech coder at low bit rates
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 (en) 2001-12-14 2003-06-14 Voiceage Corporation A signal modification method for efficient coding of speech signals
DE602004030594D1 (de) 2003-10-07 2011-01-27 Panasonic Corp Verfahren zur entscheidung der zeitgrenze zur codierung der spektro-hülle und frequenzauflösung
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
RU2656681C1 (ru) * 2012-11-13 2018-06-06 Самсунг Электроникс Ко., Лтд. Способ и устройство для определения режима кодирования, способ и устройство для кодирования аудиосигналов и способ, и устройство для декодирования аудиосигналов

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.
EP0500961B1 (de) * 1990-09-14 1998-04-29 Fujitsu Limited 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
JPH06214600A (ja) 1994-08-05
MX9307743A (es) 1994-06-30
ES2136649T3 (es) 1999-12-01
EP0602826A3 (de) 1994-12-07
CA2102080C (en) 1998-07-28
CA2102080A1 (en) 1994-06-15
JP3770925B2 (ja) 2006-04-26
EP0602826A2 (de) 1994-06-22
EP0602826B1 (de) 1999-08-25
DE69326126D1 (de) 1999-09-30

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