SE9501640L - Metod för förstärkningskvantisering vid linjärprediktiv talkodning med kodboksexcitering - Google Patents

Metod för förstärkningskvantisering vid linjärprediktiv talkodning med kodboksexcitering

Info

Publication number
SE9501640L
SE9501640L SE9501640A SE9501640A SE9501640L SE 9501640 L SE9501640 L SE 9501640L SE 9501640 A SE9501640 A SE 9501640A SE 9501640 A SE9501640 A SE 9501640A SE 9501640 L SE9501640 L SE 9501640L
Authority
SE
Sweden
Prior art keywords
gain
speech coding
linear predictive
predictive speech
codebook excitation
Prior art date
Application number
SE9501640A
Other languages
English (en)
Other versions
SE9501640D0 (sv
SE504397C2 (sv
Inventor
Ylva Timner
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Priority to SE9501640A priority Critical patent/SE504397C2/sv
Publication of SE9501640D0 publication Critical patent/SE9501640D0/sv
Priority to JP53322296A priority patent/JP4059350B2/ja
Priority to DE69610915T priority patent/DE69610915T2/de
Priority to CNB961949120A priority patent/CN1151492C/zh
Priority to PCT/SE1996/000481 priority patent/WO1996035208A1/en
Priority to AU55196/96A priority patent/AU5519696A/en
Priority to EP96912361A priority patent/EP0824750B1/en
Publication of SE9501640L publication Critical patent/SE9501640L/sv
Publication of SE504397C2 publication Critical patent/SE504397C2/sv
Priority to US08/961,867 priority patent/US5970442A/en

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
    • G10L19/083—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being an excitation gain
    • 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
    • G10L2019/0004—Design or structure of the codebook
    • G10L2019/0005—Multi-stage vector quantisation

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)
SE9501640A 1995-05-03 1995-05-03 Metod för förstärkningskvantisering vid linjärprediktiv talkodning med kodboksexcitering SE504397C2 (sv)

Priority Applications (8)

Application Number Priority Date Filing Date Title
SE9501640A SE504397C2 (sv) 1995-05-03 1995-05-03 Metod för förstärkningskvantisering vid linjärprediktiv talkodning med kodboksexcitering
JP53322296A JP4059350B2 (ja) 1995-05-03 1996-04-12 分析合成線形予測音声符号化における利得量子化方法
DE69610915T DE69610915T2 (de) 1995-05-03 1996-04-12 Verfahren zur quantisierung des verstärkungsfaktors für die linear-prädiktive sprachkodierung mittels analyse-durch-synthese
CNB961949120A CN1151492C (zh) 1995-05-03 1996-04-12 综合-分析线性预测语音编码中的增益量化方法
PCT/SE1996/000481 WO1996035208A1 (en) 1995-05-03 1996-04-12 A gain quantization method in analysis-by-synthesis linear predictive speech coding
AU55196/96A AU5519696A (en) 1995-05-03 1996-04-12 A gain quantization method in analysis-by-synthesis linear p redictive speech coding
EP96912361A EP0824750B1 (en) 1995-05-03 1996-04-12 A gain quantization method in analysis-by-synthesis linear predictive speech coding
US08/961,867 US5970442A (en) 1995-05-03 1997-10-31 Gain quantization in analysis-by-synthesis linear predicted speech coding using linear intercodebook logarithmic gain prediction

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9501640A SE504397C2 (sv) 1995-05-03 1995-05-03 Metod för förstärkningskvantisering vid linjärprediktiv talkodning med kodboksexcitering

Publications (3)

Publication Number Publication Date
SE9501640D0 SE9501640D0 (sv) 1995-05-03
SE9501640L true SE9501640L (sv) 1996-11-04
SE504397C2 SE504397C2 (sv) 1997-01-27

Family

ID=20398181

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9501640A SE504397C2 (sv) 1995-05-03 1995-05-03 Metod för förstärkningskvantisering vid linjärprediktiv talkodning med kodboksexcitering

Country Status (8)

Country Link
US (1) US5970442A (sv)
EP (1) EP0824750B1 (sv)
JP (1) JP4059350B2 (sv)
CN (1) CN1151492C (sv)
AU (1) AU5519696A (sv)
DE (1) DE69610915T2 (sv)
SE (1) SE504397C2 (sv)
WO (1) WO1996035208A1 (sv)

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US6266419B1 (en) * 1997-07-03 2001-07-24 At&T Corp. Custom character-coding compression for encoding and watermarking media content
JP3998330B2 (ja) * 1998-06-08 2007-10-24 沖電気工業株式会社 符号化装置
US6330531B1 (en) * 1998-08-24 2001-12-11 Conexant Systems, Inc. Comb codebook structure
US7072832B1 (en) * 1998-08-24 2006-07-04 Mindspeed Technologies, Inc. System for speech encoding having an adaptive encoding arrangement
SE519563C2 (sv) * 1998-09-16 2003-03-11 Ericsson Telefon Ab L M Förfarande och kodare för linjär prediktiv analys-genom- synteskodning
US6397178B1 (en) * 1998-09-18 2002-05-28 Conexant Systems, Inc. Data organizational scheme for enhanced selection of gain parameters for speech coding
US6581032B1 (en) * 1999-09-22 2003-06-17 Conexant Systems, Inc. Bitstream protocol for transmission of encoded voice signals
CA2327041A1 (en) * 2000-11-22 2002-05-22 Voiceage Corporation A method for indexing pulse positions and signs in algebraic codebooks for efficient coding of wideband signals
DE10124420C1 (de) * 2001-05-18 2002-11-28 Siemens Ag Verfahren zur Codierung und zur Übertragung von Sprachsignalen
JP4390803B2 (ja) * 2003-05-01 2009-12-24 ノキア コーポレイション 可変ビットレート広帯域通話符号化におけるゲイン量子化方法および装置
DE102004036154B3 (de) * 2004-07-26 2005-12-22 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zur robusten Klassifizierung von Audiosignalen sowie Verfahren zu Einrichtung und Betrieb einer Audiosignal-Datenbank sowie Computer-Programm
US20070174054A1 (en) * 2006-01-25 2007-07-26 Mediatek Inc. Communication apparatus with signal mode and voice mode
WO2009059632A1 (en) * 2007-11-06 2009-05-14 Nokia Corporation An encoder
RU2483368C2 (ru) * 2007-11-06 2013-05-27 Нокиа Корпорейшн Кодер
CN101499281B (zh) * 2008-01-31 2011-04-27 华为技术有限公司 一种语音编码中的增益量化方法及装置
AU2009256551B2 (en) * 2008-06-13 2015-08-13 Nokia Technologies Oy Method and apparatus for error concealment of encoded audio data
DE20163502T1 (de) * 2011-02-15 2020-12-10 Voiceage Evs Gmbh & Co. Kg Vorrichtung und verfahren zur quantisierung der verstärkung von adaptiven und festen beiträgen der anregung in einem celp-koder-dekoder
US9626982B2 (en) 2011-02-15 2017-04-18 Voiceage Corporation Device and method for quantizing the gains of the adaptive and fixed contributions of the excitation in a CELP codec
WO2014007349A1 (ja) * 2012-07-05 2014-01-09 日本電信電話株式会社 符号化装置、復号装置、これらの方法、プログラム、および記録媒体

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2776050B2 (ja) * 1991-02-26 1998-07-16 日本電気株式会社 音声符号化方式
GB9118217D0 (en) * 1991-08-23 1991-10-09 British Telecomm Speech processing apparatus
US5327520A (en) * 1992-06-04 1994-07-05 At&T Bell Laboratories Method of use of voice message coder/decoder
US5313554A (en) * 1992-06-16 1994-05-17 At&T Bell Laboratories Backward gain adaptation method in code excited linear prediction coders
DE69309557T2 (de) * 1992-06-29 1997-10-09 Nippon Telegraph & Telephone Verfahren und Vorrichtung zur Sprachkodierung
US5615298A (en) * 1994-03-14 1997-03-25 Lucent Technologies Inc. Excitation signal synthesis during frame erasure or packet loss

Also Published As

Publication number Publication date
EP0824750A1 (en) 1998-02-25
CN1151492C (zh) 2004-05-26
CN1188556A (zh) 1998-07-22
AU5519696A (en) 1996-11-21
US5970442A (en) 1999-10-19
SE9501640D0 (sv) 1995-05-03
DE69610915D1 (de) 2000-12-14
SE504397C2 (sv) 1997-01-27
EP0824750B1 (en) 2000-11-08
JP4059350B2 (ja) 2008-03-12
WO1996035208A1 (en) 1996-11-07
JPH11504438A (ja) 1999-04-20
DE69610915T2 (de) 2001-03-15

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