ATE283531T1 - Verfahren für die algebraische codebook-suche eines sprachsignalkodierers - Google Patents

Verfahren für die algebraische codebook-suche eines sprachsignalkodierers

Info

Publication number
ATE283531T1
ATE283531T1 AT02102146T AT02102146T ATE283531T1 AT E283531 T1 ATE283531 T1 AT E283531T1 AT 02102146 T AT02102146 T AT 02102146T AT 02102146 T AT02102146 T AT 02102146T AT E283531 T1 ATE283531 T1 AT E283531T1
Authority
AT
Austria
Prior art keywords
voice signal
signal encoder
codebook search
algebraic codebook
coefficients
Prior art date
Application number
AT02102146T
Other languages
English (en)
Inventor
Dietmar Gradl
Original Assignee
Koninkl Philips Electronics Nv
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 Koninkl Philips Electronics Nv filed Critical Koninkl Philips Electronics Nv
Application granted granted Critical
Publication of ATE283531T1 publication Critical patent/ATE283531T1/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
    • G10L19/12—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
    • G10L2019/0007—Codebook element generation
    • G10L2019/0008—Algebraic codebooks
    • 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)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
AT02102146T 2001-08-17 2002-08-16 Verfahren für die algebraische codebook-suche eines sprachsignalkodierers ATE283531T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE10140507A DE10140507A1 (de) 2001-08-17 2001-08-17 Verfahren für die algebraische Codebook-Suche eines Sprachsignalkodierers

Publications (1)

Publication Number Publication Date
ATE283531T1 true ATE283531T1 (de) 2004-12-15

Family

ID=7695835

Family Applications (1)

Application Number Title Priority Date Filing Date
AT02102146T ATE283531T1 (de) 2001-08-17 2002-08-16 Verfahren für die algebraische codebook-suche eines sprachsignalkodierers

Country Status (5)

Country Link
US (1) US20030046067A1 (de)
EP (1) EP1286331B1 (de)
JP (1) JP4261142B2 (de)
AT (1) ATE283531T1 (de)
DE (2) DE10140507A1 (de)

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US7698132B2 (en) * 2002-12-17 2010-04-13 Qualcomm Incorporated Sub-sampled excitation waveform codebooks
US7249014B2 (en) * 2003-03-13 2007-07-24 Intel Corporation Apparatus, methods and articles incorporating a fast algebraic codebook search technique
JP3981399B1 (ja) 2006-03-10 2007-09-26 松下電器産業株式会社 固定符号帳探索装置および固定符号帳探索方法
JP4353202B2 (ja) 2006-05-25 2009-10-28 ソニー株式会社 韻律識別装置及び方法、並びに音声認識装置及び方法
US20080120098A1 (en) * 2006-11-21 2008-05-22 Nokia Corporation Complexity Adjustment for a Signal Encoder
EP2150922B1 (de) * 2007-05-03 2014-11-12 Kevin Loughrey Id-tagging-system für grosse zahlen
CN100530357C (zh) * 2007-07-11 2009-08-19 华为技术有限公司 固定码书搜索方法及搜索器
CN100578619C (zh) * 2007-11-05 2010-01-06 华为技术有限公司 编码方法和编码器
TWI384767B (zh) * 2008-11-21 2013-02-01 Univ Nat Chiao Tung 用以分群一編碼簿以及自該編碼簿選取一預編碼字之方法、裝置及其電腦程式產品
US20100153100A1 (en) * 2008-12-11 2010-06-17 Electronics And Telecommunications Research Institute Address generator for searching algebraic codebook
MY165853A (en) 2011-02-14 2018-05-18 Fraunhofer Ges Forschung Linear prediction based coding scheme using spectral domain noise shaping
WO2012110448A1 (en) 2011-02-14 2012-08-23 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for coding a portion of an audio signal using a transient detection and a quality result
BR112013020324B8 (pt) 2011-02-14 2022-02-08 Fraunhofer Ges Forschung Aparelho e método para supressão de erro em fala unificada de baixo atraso e codificação de áudio
TWI564882B (zh) 2011-02-14 2017-01-01 弗勞恩霍夫爾協會 利用重疊變換之資訊信號表示技術（一）
EP2676267B1 (de) * 2011-02-14 2017-07-19 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Kodierung und dekodierung von impulspositionen von spuren eines audiosignals
KR101699898B1 (ko) 2011-02-14 2017-01-25 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 스펙트럼 영역에서 디코딩된 오디오 신호를 처리하기 위한 방법 및 장치
KR101613673B1 (ko) 2011-02-14 2016-04-29 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 불활성 위상 동안에 잡음 합성을 사용하는 오디오 코덱
TR201818834T4 (tr) * 2012-10-05 2019-01-21 Fraunhofer Ges Forschung Otokorelasyon alanında acelp kullanan bir konuşma sinyalinin şifrelenmesine ilişkin bir ekipman.
US11016844B2 (en) * 2019-03-15 2021-05-25 Toshiba Memory Corporation Error correction code structure

Family Cites Families (10)

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Publication number Priority date Publication date Assignee Title
ATE186607T1 (de) * 1990-12-21 1999-11-15 British Telecomm Sprachcodierung
FR2729245B1 (fr) * 1995-01-06 1997-04-11 Lamblin Claude Procede de codage de parole a prediction lineaire et excitation par codes algebriques
US5956757A (en) * 1996-03-22 1999-09-21 Adaptec, Inc. Method and apparatus for generating addresses
US5751901A (en) * 1996-07-31 1998-05-12 Qualcomm Incorporated Method for searching an excitation codebook in a code excited linear prediction (CELP) coder
US5924062A (en) * 1997-07-01 1999-07-13 Nokia Mobile Phones ACLEP codec with modified autocorrelation matrix storage and search
WO1999041737A1 (en) * 1998-02-17 1999-08-19 Motorola Inc. Method and apparatus for high speed determination of an optimum vector in a fixed codebook
US6556966B1 (en) * 1998-08-24 2003-04-29 Conexant Systems, Inc. Codebook structure for changeable pulse multimode speech coding
US6545833B1 (en) * 1999-05-07 2003-04-08 Seagate Technology Llc Method to eliminate reassignments
US6415255B1 (en) * 1999-06-10 2002-07-02 Nec Electronics, Inc. Apparatus and method for an array processing accelerator for a digital signal processor
US6847929B2 (en) * 2000-10-12 2005-01-25 Texas Instruments Incorporated Algebraic codebook system and method

Also Published As

Publication number Publication date
DE10140507A1 (de) 2003-02-27
EP1286331A1 (de) 2003-02-26
JP4261142B2 (ja) 2009-04-30
US20030046067A1 (en) 2003-03-06
DE50201604D1 (de) 2004-12-30
JP2003108199A (ja) 2003-04-11
EP1286331B1 (de) 2004-11-24

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