ATE192259T1 - Verfahren zur synthetisierung eines sprachsignalblocks in einem celp-kodierer - Google Patents

Verfahren zur synthetisierung eines sprachsignalblocks in einem celp-kodierer

Info

Publication number
ATE192259T1
ATE192259T1 AT95117720T AT95117720T ATE192259T1 AT E192259 T1 ATE192259 T1 AT E192259T1 AT 95117720 T AT95117720 T AT 95117720T AT 95117720 T AT95117720 T AT 95117720T AT E192259 T1 ATE192259 T1 AT E192259T1
Authority
AT
Austria
Prior art keywords
pulse
stochastic
codebook
maximum
databases
Prior art date
Application number
AT95117720T
Other languages
English (en)
Inventor
Udo Goertz
Original Assignee
Nokia Mobile Phones Ltd
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 Nokia Mobile Phones Ltd filed Critical Nokia Mobile Phones Ltd
Application granted granted Critical
Publication of ATE192259T1 publication Critical patent/ATE192259T1/de

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
    • G10L19/10—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a multipulse excitation
    • G10L19/113—Regular pulse excitation
    • 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
    • G10L2019/0013—Codebook search algorithms

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)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
AT95117720T 1995-11-09 1995-11-09 Verfahren zur synthetisierung eines sprachsignalblocks in einem celp-kodierer ATE192259T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP95117720A EP0773533B1 (de) 1995-11-09 1995-11-09 Verfahren zur Synthetisierung eines Sprachsignalblocks in einem CELP-Kodierer

Publications (1)

Publication Number Publication Date
ATE192259T1 true ATE192259T1 (de) 2000-05-15

Family

ID=8219802

Family Applications (1)

Application Number Title Priority Date Filing Date
AT95117720T ATE192259T1 (de) 1995-11-09 1995-11-09 Verfahren zur synthetisierung eines sprachsignalblocks in einem celp-kodierer

Country Status (4)

Country Link
US (1) US5893061A (de)
EP (1) EP0773533B1 (de)
AT (1) ATE192259T1 (de)
DE (1) DE69516522T2 (de)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW317051B (de) * 1996-02-15 1997-10-01 Philips Electronics Nv
DE19641619C1 (de) * 1996-10-09 1997-06-26 Nokia Mobile Phones Ltd Verfahren zur Synthese eines Rahmens eines Sprachsignals
ES2157854B1 (es) * 1997-04-10 2002-04-01 Nokia Mobile Phones Ltd Metodo para disminuir el porcentaje de error de bloque en una transmision de datos en forma de bloques de datos y los correspondientes sistema de transmision de datos y estacion movil.
EP1052620B1 (de) 1997-12-24 2004-07-21 Mitsubishi Denki Kabushiki Kaisha Audiokodier- und dekodierverfahren und -vorrichtung
FR2776447B1 (fr) * 1998-03-23 2000-05-12 Comsis Codage source-canal conjoint en blocs
FI105634B (fi) 1998-04-30 2000-09-15 Nokia Mobile Phones Ltd Menetelmä videokuvien siirtämiseksi, tiedonsiirtojärjestelmä ja multimediapäätelaite
FI981508A7 (fi) 1998-06-30 1999-12-31 Nokia Corp Menetelmä, laite ja järjestelmä käyttäjän tilan arvioimiseksi
GB9817292D0 (en) * 1998-08-07 1998-10-07 Nokia Mobile Phones Ltd Digital video coding
FI105635B (fi) 1998-09-01 2000-09-15 Nokia Mobile Phones Ltd Menetelmä taustakohinainformaation lähettämiseksi tietokehysmuotoisessa tiedonsiirrossa
US6490443B1 (en) 1999-09-02 2002-12-03 Automated Business Companies Communication and proximity authorization systems
WO2001022676A1 (fr) * 1999-09-21 2001-03-29 Comsis Codage source-canal conjoint en blocs
US6847929B2 (en) * 2000-10-12 2005-01-25 Texas Instruments Incorporated Algebraic codebook system and method
US7698132B2 (en) * 2002-12-17 2010-04-13 Qualcomm Incorporated Sub-sampled excitation waveform codebooks
EP1513137A1 (de) * 2003-08-22 2005-03-09 MicronasNIT LCC, Novi Sad Institute of Information Technologies Sprachverarbeitungssystem und -verfahren mit Multipuls-Anregung
KR100647290B1 (ko) * 2004-09-22 2006-11-23 삼성전자주식회사 합성된 음성의 특성을 이용하여 양자화/역양자화를선택하는 음성 부호화/복호화 장치 및 그 방법
US20090164211A1 (en) * 2006-05-10 2009-06-25 Panasonic Corporation Speech encoding apparatus and speech encoding method
CN101115124B (zh) 2006-07-26 2012-04-18 日电（中国）有限公司 基于音频水印识别媒体节目的方法和装置
JP5264913B2 (ja) * 2007-09-11 2013-08-14 ヴォイスエイジ・コーポレーション 話声およびオーディオの符号化における、代数符号帳の高速検索のための方法および装置
ATE552651T1 (de) 2008-12-24 2012-04-15 Dolby Lab Licensing Corp Audiosignallautheitbestimmung und modifikation im frequenzbereich
CN102623012B (zh) * 2011-01-26 2014-08-20 华为技术有限公司 矢量联合编解码方法及编解码器
US10212009B2 (en) * 2017-03-06 2019-02-19 Blackberry Limited Modulation for a data bit stream

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4868867A (en) * 1987-04-06 1989-09-19 Voicecraft Inc. Vector excitation speech or audio coder for transmission or storage
US5060269A (en) * 1989-05-18 1991-10-22 General Electric Company Hybrid switched multi-pulse/stochastic speech coding technique
CA2010830C (en) * 1990-02-23 1996-06-25 Jean-Pierre Adoul Dynamic codebook for efficient speech coding based on algebraic codes
US5701392A (en) * 1990-02-23 1997-12-23 Universite De Sherbrooke Depth-first algebraic-codebook search for fast coding of speech
US5396576A (en) * 1991-05-22 1995-03-07 Nippon Telegraph And Telephone Corporation Speech coding and decoding methods using adaptive and random code books
US5233660A (en) * 1991-09-10 1993-08-03 At&T Bell Laboratories Method and apparatus for low-delay celp speech coding and decoding
ES2115646T3 (es) * 1991-10-25 1998-07-01 At & T Corp Metodo y aparato generalizados de codificacion vocal mediante analisis por sintesis.
US5295203A (en) * 1992-03-26 1994-03-15 General Instrument Corporation Method and apparatus for vector coding of video transform coefficients
US5327520A (en) * 1992-06-04 1994-07-05 At&T Bell Laboratories Method of use of voice message coder/decoder
FI91345C (fi) * 1992-06-24 1994-06-10 Nokia Mobile Phones Ltd Menetelmä kanavanvaihdon tehostamiseksi
US5602961A (en) * 1994-05-31 1997-02-11 Alaris, Inc. Method and apparatus for speech compression using multi-mode code excited linear predictive coding
FR2732148B1 (fr) * 1995-03-24 1997-06-13 Sgs Thomson Microelectronics Determination d'un vecteur d'excitation dans un codeur celp
US5732389A (en) * 1995-06-07 1998-03-24 Lucent Technologies Inc. Voiced/unvoiced classification of speech for excitation codebook selection in celp speech decoding during frame erasures
US5664055A (en) * 1995-06-07 1997-09-02 Lucent Technologies Inc. CS-ACELP speech compression system with adaptive pitch prediction filter gain based on a measure of periodicity

Also Published As

Publication number Publication date
EP0773533B1 (de) 2000-04-26
DE69516522D1 (de) 2000-05-31
EP0773533A1 (de) 1997-05-14
US5893061A (en) 1999-04-06
DE69516522T2 (de) 2001-03-08

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