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
Links
Classifications
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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
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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
- G10L19/16—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
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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
- G10L19/10—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
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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
- 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)
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 (es) | 2018-06-02 |
Family
ID=47138606
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO13180475A NO2669468T3 (es) | 2011-05-11 | 2008-10-17 |
Country Status (11)
Country | Link |
---|---|
US (1) | US8825475B2 (es) |
EP (1) | EP2707687B1 (es) |
JP (1) | JP6173304B2 (es) |
CN (1) | CN103518122B (es) |
CA (1) | CA2830105C (es) |
DK (1) | DK2707687T3 (es) |
ES (1) | ES2668920T3 (es) |
HK (1) | HK1191395A1 (es) |
NO (1) | NO2669468T3 (es) |
PT (1) | PT2707687T (es) |
WO (1) | WO2012151676A1 (es) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
EP3723087A1 (en) * | 2016-12-16 | 2020-10-14 | Telefonaktiebolaget LM Ericsson (publ) | Method and encoder for handling envelope representation coefficients |
CA3074750A1 (en) | 2017-09-20 | 2019-03-28 | Voiceage Corporation | Method and device for efficiently distributing a bit-budget in a celp codec |
Family Cites Families (22)
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 (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 |
DE602006018618D1 (de) * | 2005-07-22 | 2011-01-13 | France Telecom | Verfahren zum umschalten der raten- und bandbreitenskalierbaren audiodecodierungsrate |
US7877253B2 (en) * | 2006-10-06 | 2011-01-25 | Qualcomm Incorporated | Systems, methods, and apparatus for frame erasure recovery |
MX2009004427A (es) * | 2006-10-24 | 2009-06-30 | Voiceage Corp | Metodo y dispositivo para codificar cuadros de transicion en señales de habla. |
CN101842833B (zh) * | 2007-09-11 | 2012-07-18 | 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 |
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 |
SG10201406778VA (en) * | 2009-10-20 | 2015-01-29 | Fraunhofer Ges Forschung | Multi-mode audio codec and celp coding adapted therefore |
CA2789107C (en) | 2010-04-14 | 2017-08-15 | Voiceage Corporation | Flexible and scalable combined innovation codebook for use in celp coder and decoder |
-
2008
- 2008-10-17 NO NO13180475A patent/NO2669468T3/no unknown
-
2012
- 2012-05-09 JP JP2014509572A patent/JP6173304B2/ja active Active
- 2012-05-09 CA CA2830105A patent/CA2830105C/en active Active
- 2012-05-09 EP EP12782641.0A patent/EP2707687B1/en active Active
- 2012-05-09 DK DK12782641.0T patent/DK2707687T3/en active
- 2012-05-09 ES ES12782641.0T patent/ES2668920T3/es active Active
- 2012-05-09 WO PCT/CA2012/000441 patent/WO2012151676A1/en active Application Filing
- 2012-05-09 CN CN201280022757.XA patent/CN103518122B/zh active Active
- 2012-05-09 PT PT127826410T patent/PT2707687T/pt unknown
- 2012-05-11 US US13/469,744 patent/US8825475B2/en active Active
-
2014
- 2014-05-16 HK HK14104605.3A patent/HK1191395A1/zh unknown
Also Published As
Publication number | Publication date |
---|---|
PT2707687T (pt) | 2018-05-21 |
JP2014517933A (ja) | 2014-07-24 |
EP2707687B1 (en) | 2018-03-28 |
US8825475B2 (en) | 2014-09-02 |
CN103518122A (zh) | 2014-01-15 |
US20120290295A1 (en) | 2012-11-15 |
CA2830105A1 (en) | 2012-11-15 |
CN103518122B (zh) | 2016-04-20 |
CA2830105C (en) | 2018-06-05 |
EP2707687A1 (en) | 2014-03-19 |
WO2012151676A1 (en) | 2012-11-15 |
HK1191395A1 (zh) | 2014-07-25 |
DK2707687T3 (en) | 2018-05-28 |
EP2707687A4 (en) | 2014-11-19 |
ES2668920T3 (es) | 2018-05-23 |
JP6173304B2 (ja) | 2017-08-02 |