NO2669468T3 - - Google Patents

Info

Publication number
NO2669468T3
NO2669468T3 NO13180475A NO13180475A NO2669468T3 NO 2669468 T3 NO2669468 T3 NO 2669468T3 NO 13180475 A NO13180475 A NO 13180475A NO 13180475 A NO13180475 A NO 13180475A NO 2669468 T3 NO2669468 T3 NO 2669468T3
Authority
NO
Norway
Application number
NO13180475A
Other languages
Norwegian (no)
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=47138606&utm_source=***_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=NO2669468(T3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed filed Critical
Publication of NO2669468T3 publication Critical patent/NO2669468T3/no

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
    • 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)
NO13180475A 2011-05-11 2008-10-17 NO2669468T3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US201161484968P 2011-05-11 2011-05-11

Publications (1)

Publication Number Publication Date
NO2669468T3 true NO2669468T3 (fr) 2018-06-02

Family

ID=47138606

Family Applications (1)

Application Number Title Priority Date Filing Date
NO13180475A NO2669468T3 (fr) 2011-05-11 2008-10-17

Country Status (11)

Country Link
US (1) US8825475B2 (fr)
EP (1) EP2707687B1 (fr)
JP (1) JP6173304B2 (fr)
CN (1) CN103518122B (fr)
CA (1) CA2830105C (fr)
DK (1) DK2707687T3 (fr)
ES (1) ES2668920T3 (fr)
HK (1) HK1191395A1 (fr)
NO (1) NO2669468T3 (fr)
PT (1) PT2707687T (fr)
WO (1) WO2012151676A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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
ES2821141T3 (es) * 2016-12-16 2021-04-23 Ericsson Telefon Ab L M Método y codificador para manejar coeficientes de representación de envolvente
CN111133510B (zh) * 2017-09-20 2023-08-22 沃伊斯亚吉公司 用于在celp编解码器中高效地分配比特预算的方法和设备

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
ATE302991T1 (de) * 1998-01-22 2005-09-15 Deutsche Telekom Ag Verfahren zur signalgesteuerten schaltung zwischen verschiedenen audiokodierungssystemen
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 (fr) 2002-05-31 2003-11-30 Voiceage Corporation Methode et dispositif de quantification vectorielle de reseau multicalibre
FR2849727B1 (fr) * 2003-01-08 2005-03-18 France Telecom Procede de codage et de decodage audio a debit variable
WO2004097796A1 (fr) * 2003-04-30 2004-11-11 Matsushita Electric Industrial Co., Ltd. Dispositif et procede de codage audio et dispositif et procede de decodage audio
CA2457988A1 (fr) * 2004-02-18 2005-08-18 Voiceage Corporation Methodes et dispositifs pour la compression audio basee sur le codage acelp/tcx et sur la quantification vectorielle a taux d'echantillonnage multiples
US7177804B2 (en) * 2005-05-31 2007-02-13 Microsoft Corporation Sub-band voice codec with multi-stage codebooks and redundant coding
JP5009910B2 (ja) * 2005-07-22 2012-08-29 フランス・テレコム レートスケーラブル及び帯域幅スケーラブルオーディオ復号化のレートの切り替えのための方法
US7877253B2 (en) * 2006-10-06 2011-01-25 Qualcomm Incorporated Systems, methods, and apparatus for frame erasure recovery
PT2102619T (pt) * 2006-10-24 2017-05-25 Voiceage Corp Método e dispositivo para codificação de tramas de transição em sinais de voz
WO2009033288A1 (fr) * 2007-09-11 2009-03-19 Voiceage Corporation Procédé et dispositif de recherche dans un livre de codes algébriques lors d'un codage vocal ou audio
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
US9330671B2 (en) * 2008-10-10 2016-05-03 Telefonaktiebolaget L M Ericsson (Publ) Energy conservative multi-channel audio coding
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
CA2862715C (fr) * 2009-10-20 2017-10-17 Ralf Geiger Codec audio multimode et codage celp adapte a ce codec
CA2789107C (fr) 2010-04-14 2017-08-15 Voiceage Corporation Livre de codes d'innovation combine flexible et evolutif a utiliser dans un codeur et decodeur celp

Also Published As

Publication number Publication date
HK1191395A1 (zh) 2014-07-25
US20120290295A1 (en) 2012-11-15
EP2707687B1 (fr) 2018-03-28
DK2707687T3 (en) 2018-05-28
JP6173304B2 (ja) 2017-08-02
CA2830105A1 (fr) 2012-11-15
EP2707687A1 (fr) 2014-03-19
US8825475B2 (en) 2014-09-02
EP2707687A4 (fr) 2014-11-19
JP2014517933A (ja) 2014-07-24
CN103518122A (zh) 2014-01-15
CA2830105C (fr) 2018-06-05
CN103518122B (zh) 2016-04-20
WO2012151676A1 (fr) 2012-11-15
PT2707687T (pt) 2018-05-21
ES2668920T3 (es) 2018-05-23

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