ES2668920T3 - Libro de códigos de dominio de transformada en un codificador y decodificador CELP - Google Patents

Libro de códigos de dominio de transformada en un codificador y decodificador CELP Download PDF

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Publication number
ES2668920T3
ES2668920T3 ES12782641.0T ES12782641T ES2668920T3 ES 2668920 T3 ES2668920 T3 ES 2668920T3 ES 12782641 T ES12782641 T ES 12782641T ES 2668920 T3 ES2668920 T3 ES 2668920T3
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Spain
Prior art keywords
codebook
domain
code book
book
transform
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ES12782641.0T
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English (en)
Spanish (es)
Inventor
Vaclav Eksler
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VoiceAge Corp
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VoiceAge Corp
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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
    • 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

Landscapes

  • 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)
ES12782641.0T 2011-05-11 2012-05-09 Libro de códigos de dominio de transformada en un codificador y decodificador CELP Active ES2668920T3 (es)

Applications Claiming Priority (3)

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

Publications (1)

Publication Number Publication Date
ES2668920T3 true ES2668920T3 (es) 2018-05-23

Family

ID=47138606

Family Applications (1)

Application Number Title Priority Date Filing Date
ES12782641.0T Active ES2668920T3 (es) 2011-05-11 2012-05-09 Libro de códigos de dominio de transformada en un codificador y decodificador CELP

Country Status (10)

Country Link
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)
PT (1) PT2707687T (enExample)
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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IT1281001B1 (it) * 1995-10-27 1998-02-11 Cselt Centro Studi Lab Telecom Procedimento e apparecchiatura per codificare, manipolare e decodificare segnali audio.
US6134518A (en) * 1997-03-04 2000-10-17 International Business Machines Corporation Digital audio signal coding using a CELP coder and a transform coder
ES2247741T3 (es) * 1998-01-22 2006-03-01 Deutsche Telekom Ag Metodo para conmutacion controlada por señales entre esquemas de codificacion de audio.
US6453289B1 (en) * 1998-07-24 2002-09-17 Hughes Electronics Corporation Method of noise reduction for speech codecs
US7072832B1 (en) * 1998-08-24 2006-07-04 Mindspeed Technologies, Inc. System for speech encoding having an adaptive encoding arrangement
SE519985C2 (sv) * 2000-09-15 2003-05-06 Ericsson Telefon Ab L M Kodning och avkodning av signaler från flera kanaler
US20030135374A1 (en) * 2002-01-16 2003-07-17 Hardwick John C. Speech synthesizer
CA2388358A1 (en) 2002-05-31 2003-11-30 Voiceage Corporation A method and device for multi-rate lattice vector quantization
FR2849727B1 (fr) * 2003-01-08 2005-03-18 France Telecom Procede de codage et de decodage audio a debit variable
CN100583241C (zh) * 2003-04-30 2010-01-20 松下电器产业株式会社 音频编码设备、音频解码设备、音频编码方法和音频解码方法
CA2457988A1 (en) * 2004-02-18 2005-08-18 Voiceage Corporation Methods and devices for audio compression based on acelp/tcx coding and multi-rate lattice vector quantization
US7177804B2 (en) * 2005-05-31 2007-02-13 Microsoft Corporation Sub-band voice codec with multi-stage codebooks and redundant coding
EP1907812B1 (fr) * 2005-07-22 2010-12-01 France Telecom Procede de commutation de debit en decodage audio scalable en debit et largeur de bande
US7877253B2 (en) * 2006-10-06 2011-01-25 Qualcomm Incorporated Systems, methods, and apparatus for frame erasure recovery
DK2102619T3 (en) * 2006-10-24 2017-05-15 Voiceage Corp METHOD AND DEVICE FOR CODING TRANSITION FRAMEWORK IN SPEECH SIGNALS
US8566106B2 (en) * 2007-09-11 2013-10-22 Voiceage Corporation Method and device for fast algebraic codebook search in speech and audio coding
US8515767B2 (en) * 2007-11-04 2013-08-20 Qualcomm Incorporated Technique for encoding/decoding of codebook indices for quantized MDCT spectrum in scalable speech and audio codecs
JP2011518345A (ja) * 2008-03-14 2011-06-23 ドルビー・ラボラトリーズ・ライセンシング・コーポレーション スピーチライク信号及びノンスピーチライク信号のマルチモードコーディング
EP2345027B1 (en) * 2008-10-10 2018-04-18 Telefonaktiebolaget LM Ericsson (publ) Energy-conserving multi-channel audio coding and decoding
FR2947945A1 (fr) * 2009-07-07 2011-01-14 France Telecom Allocation de bits dans un codage/decodage d'amelioration d'un codage/decodage hierarchique de signaux audionumeriques
MY164399A (en) * 2009-10-20 2017-12-15 Fraunhofer Ges Forschung Multi-mode audio codec and celp coding adapted therefore
CN102844810B (zh) 2010-04-14 2017-05-03 沃伊斯亚吉公司 用于在码激励线性预测编码器和解码器中使用的灵活和可缩放的组合式创新代码本

Also Published As

Publication number Publication date
PT2707687T (pt) 2018-05-21
CN103518122B (zh) 2016-04-20
CN103518122A (zh) 2014-01-15
JP2014517933A (ja) 2014-07-24
CA2830105C (en) 2018-06-05
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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