CN103518122B - 码激励线性预测编码器和解码器中的变换域码本 - Google Patents

码激励线性预测编码器和解码器中的变换域码本 Download PDF

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Publication number
CN103518122B
CN103518122B CN201280022757.XA CN201280022757A CN103518122B CN 103518122 B CN103518122 B CN 103518122B CN 201280022757 A CN201280022757 A CN 201280022757A CN 103518122 B CN103518122 B CN 103518122B
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codebook
domain
transform
adaptive
stage
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CN103518122A (zh
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V.埃克斯勒
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Shengdai Evs Ltd
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VoiceAge Corp
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    • 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
    • G10L19/02—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 spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/0212—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 spectral analysis, e.g. transform vocoders or subband vocoders using orthogonal transformation
    • 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
    • G10L19/16—Vocoder architecture
    • G10L19/18—Vocoders using multiple modes
    • G10L19/22—Mode decision, i.e. based on audio signal content versus external parameters
    • 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
    • G10L19/02—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 spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/032—Quantisation or dequantisation of spectral components
    • G10L19/038—Vector quantisation, e.g. TwinVQ audio
    • 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
    • G10L19/107—Sparse pulse excitation, e.g. by using algebraic codebook
    • 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
    • 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
    • G10L25/78—Detection of presence or absence of voice signals

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
CN201280022757.XA 2011-05-11 2012-05-09 码激励线性预测编码器和解码器中的变换域码本 Active CN103518122B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201161484968P 2011-05-11 2011-05-11
US61/484,968 2011-05-11
PCT/CA2012/000441 WO2012151676A1 (en) 2011-05-11 2012-05-09 Transform-domain codebook in a celp coder and decoder

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CN103518122B true CN103518122B (zh) 2016-04-20

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US (1) US8825475B2 (enExample)
EP (1) EP2707687B1 (enExample)
JP (1) JP6173304B2 (enExample)
CN (1) CN103518122B (enExample)
CA (1) CA2830105C (enExample)
DK (1) DK2707687T3 (enExample)
ES (1) ES2668920T3 (enExample)
NO (1) NO2669468T3 (enExample)
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WO (1) WO2012151676A1 (enExample)

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US9263053B2 (en) * 2012-04-04 2016-02-16 Google Technology Holdings LLC Method and apparatus for generating a candidate code-vector to code an informational signal
US9070356B2 (en) * 2012-04-04 2015-06-30 Google Technology Holdings LLC Method and apparatus for generating a candidate code-vector to code an informational signal
MX2019006535A (es) * 2016-12-16 2019-08-21 Ericsson Telefon Ab L M Metodos, codificador y decodificador para manejar coeficientes de representacion de envolvente.
KR20250016479A (ko) * 2017-09-20 2025-02-03 보이세지 코포레이션 씨이엘피 코덱에 있어서 비트-예산을 효율적으로 분배하는 방법 및 디바이스
US12424227B2 (en) * 2020-11-05 2025-09-23 Nippon Telegraph And Telephone Corporation Sound signal refinement method, sound signal decode method, apparatus thereof, program, and storage medium
CN112767956B (zh) * 2021-04-09 2021-07-16 腾讯科技（深圳）有限公司 音频编码方法、装置、计算机设备及介质

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US6134518A (en) * 1997-03-04 2000-10-17 International Business Machines Corporation Digital audio signal coding using a CELP coder and a transform coder
CN1735928A (zh) * 2003-01-08 2006-02-15 法国电信公司 用于可变速率音频编解码的方法
CN1957398A (zh) * 2004-02-18 2007-05-02 沃伊斯亚吉公司 在基于代数码激励线性预测/变换编码激励的音频压缩期间低频加重的方法和设备
CN101842833A (zh) * 2007-09-11 2010-09-22 沃伊斯亚吉公司 语音和音频编码中快速代数码本搜索的方法和设备
CN101849258A (zh) * 2007-11-04 2010-09-29 高通股份有限公司 在可缩放语音和音频编解码器中的用于经量化的mdct频谱的码簿索引的编码/解码的技术
WO2011048094A1 (en) * 2009-10-20 2011-04-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Multi-mode audio codec and celp coding adapted therefore

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US6453289B1 (en) * 1998-07-24 2002-09-17 Hughes Electronics Corporation Method of noise reduction for speech codecs
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US6108626A (en) * 1995-10-27 2000-08-22 Cselt-Centro Studi E Laboratori Telecomunicazioni S.P.A. Object oriented audio coding
US6134518A (en) * 1997-03-04 2000-10-17 International Business Machines Corporation Digital audio signal coding using a CELP coder and a transform coder
CN1735928A (zh) * 2003-01-08 2006-02-15 法国电信公司 用于可变速率音频编解码的方法
CN1957398A (zh) * 2004-02-18 2007-05-02 沃伊斯亚吉公司 在基于代数码激励线性预测/变换编码激励的音频压缩期间低频加重的方法和设备
CN101842833A (zh) * 2007-09-11 2010-09-22 沃伊斯亚吉公司 语音和音频编码中快速代数码本搜索的方法和设备
CN101849258A (zh) * 2007-11-04 2010-09-29 高通股份有限公司 在可缩放语音和音频编解码器中的用于经量化的mdct频谱的码簿索引的编码/解码的技术
WO2011048094A1 (en) * 2009-10-20 2011-04-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Multi-mode audio codec and celp coding adapted therefore

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PT2707687T (pt) 2018-05-21
CN103518122A (zh) 2014-01-15
JP2014517933A (ja) 2014-07-24
CA2830105C (en) 2018-06-05
ES2668920T3 (es) 2018-05-23
EP2707687A1 (en) 2014-03-19
CA2830105A1 (en) 2012-11-15
US20120290295A1 (en) 2012-11-15
WO2012151676A1 (en) 2012-11-15
EP2707687B1 (en) 2018-03-28
HK1191395A1 (zh) 2014-07-25
JP6173304B2 (ja) 2017-08-02
EP2707687A4 (en) 2014-11-19
DK2707687T3 (en) 2018-05-28
US8825475B2 (en) 2014-09-02
NO2669468T3 (enExample) 2018-06-02

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Conclusion of examination: Declare the invention patent No. 201280022757. X partially invalid, and maintain the validity of the patent on the basis of claims 1-16 submitted by the patentee on May 22, 2024

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Denomination of invention: Transform domain codebooks in code excited linear predictive encoders and decoders

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Patentee: Shengdai EVs Ltd.

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