JP6173304B2 - Ｃｅｌｐコーダにおける変換領域コードブック装置 - Google Patents

Ｃｅｌｐコーダにおける変換領域コードブック装置 Download PDF

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JP6173304B2
JP6173304B2 JP2014509572A JP2014509572A JP6173304B2 JP 6173304 B2 JP6173304 B2 JP 6173304B2 JP 2014509572 A JP2014509572 A JP 2014509572A JP 2014509572 A JP2014509572 A JP 2014509572A JP 6173304 B2 JP6173304 B2 JP 6173304B2
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codebook
transform domain
stage
adaptive
signal
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JP2014517933A (ja
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ヴァクラヴ・エクスラー
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ヴォイスエイジ・コーポレーション
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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)
JP2014509572A 2011-05-11 2012-05-09 Ｃｅｌｐコーダにおける変換領域コードブック装置 Active JP6173304B2 (ja)

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

Publications (2)

Publication Number Publication Date
JP2014517933A JP2014517933A (ja) 2014-07-24
JP6173304B2 true JP6173304B2 (ja) 2017-08-02

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JP2014509572A Active JP6173304B2 (ja) 2011-05-11 2012-05-09 Ｃｅｌｐコーダにおける変換領域コードブック装置

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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
ES3047123T3 (en) * 2016-12-16 2025-12-03 Ericsson Telefon Ab L M Method and encoder for handling envelope representation coefficients
WO2019056107A1 (en) * 2017-09-20 2019-03-28 Voiceage Corporation METHOD AND DEVICE FOR ALLOCATING A BINARY BUDGET BETWEEN SUB-FRAMES IN A CELP CODEC
WO2022097239A1 (ja) * 2020-11-05 2022-05-12 日本電信電話株式会社 音信号精製方法、音信号復号方法、これらの装置、プログラム及び記録媒体
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
CA2524243C (en) * 2003-04-30 2013-02-19 Matsushita Electric Industrial Co. Ltd. Speech coding apparatus including enhancement layer performing long term prediction
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
ES2356492T3 (es) * 2005-07-22 2011-04-08 France Telecom Método de conmutación de tasa de transmisión en decodificación de audio escalable en tasa de transmisión y ancho de banda.
US7877253B2 (en) * 2006-10-06 2011-01-25 Qualcomm Incorporated Systems, methods, and apparatus for frame erasure recovery
CN101578508B (zh) * 2006-10-24 2013-07-17 沃伊斯亚吉公司 用于对语音信号中的过渡帧进行编码的方法和设备
US8566106B2 (en) * 2007-09-11 2013-10-22 Voiceage Corporation Method and device for fast algebraic codebook search in speech and audio coding
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WO2009114656A1 (en) * 2008-03-14 2009-09-17 Dolby Laboratories Licensing Corporation Multimode coding of speech-like and non-speech-like signals
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
AU2010309894B2 (en) * 2009-10-20 2014-03-13 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Multi-mode audio codec and CELP coding adapted therefore
RU2547238C2 (ru) 2010-04-14 2015-04-10 Войсэйдж Корпорейшн Гибкая и масштабируемая комбинированная обновляющая кодовая книга для использования в кодере и декодере celp

Also Published As

Publication number Publication date
HK1191395A1 (zh) 2014-07-25
CA2830105C (en) 2018-06-05
EP2707687A1 (en) 2014-03-19
NO2669468T3 (enExample) 2018-06-02
CA2830105A1 (en) 2012-11-15
CN103518122A (zh) 2014-01-15
WO2012151676A1 (en) 2012-11-15
EP2707687B1 (en) 2018-03-28
JP2014517933A (ja) 2014-07-24
ES2668920T3 (es) 2018-05-23
US20120290295A1 (en) 2012-11-15
PT2707687T (pt) 2018-05-21
CN103518122B (zh) 2016-04-20
EP2707687A4 (en) 2014-11-19
US8825475B2 (en) 2014-09-02
DK2707687T3 (en) 2018-05-28

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