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
-
- 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)
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 (ru) | 2018-06-02 |
Family
ID=47138606
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO13180475A NO2669468T3 (ru) | 2011-05-11 | 2008-10-17 |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US8825475B2 (ru) |
| EP (1) | EP2707687B1 (ru) |
| JP (1) | JP6173304B2 (ru) |
| CN (1) | CN103518122B (ru) |
| CA (1) | CA2830105C (ru) |
| DK (1) | DK2707687T3 (ru) |
| ES (1) | ES2668920T3 (ru) |
| HK (1) | HK1191395A1 (ru) |
| NO (1) | NO2669468T3 (ru) |
| PT (1) | PT2707687T (ru) |
| WO (1) | WO2012151676A1 (ru) |
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 |
| CN116343804A (zh) * | 2016-12-16 | 2023-06-27 | 瑞典爱立信有限公司 | 用于处理包络表示系数的方法、编码器和解码器 |
| JP7239565B2 (ja) | 2017-09-20 | 2023-03-14 | ヴォイスエイジ・コーポレーション | Ｃｅｌｐコーデックにおいてビット配分を効率的に分配するための方法およびデバイス |
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 |
| US8630864B2 (en) * | 2005-07-22 | 2014-01-14 | France Telecom | Method for switching rate and bandwidth scalable audio decoding rate |
| 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 |
| JP5264913B2 (ja) * | 2007-09-11 | 2013-08-14 | ヴォイスエイジ・コーポレーション | 話声およびオーディオの符号化における、代数符号帳の高速検索のための方法および装置 |
| 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 |
| EP2269188B1 (en) * | 2008-03-14 | 2014-06-11 | 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 |
| MX2012004593A (es) * | 2009-10-20 | 2012-06-08 | Fraunhofer Ges Forschung | Codec multimodo de audio y codificacion de celp adaptada a este. |
| ES2552179T3 (es) | 2010-04-14 | 2015-11-26 | Voiceage Corporation | Libro de códigos de innovación combinado flexible y escalable para ser usado en codificador y decodificador CELP |
-
2008
- 2008-10-17 NO NO13180475A patent/NO2669468T3/no unknown
-
2012
- 2012-05-09 ES ES12782641.0T patent/ES2668920T3/es active Active
- 2012-05-09 JP JP2014509572A patent/JP6173304B2/ja 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
- 2012-05-09 EP EP12782641.0A patent/EP2707687B1/en active Active
- 2012-05-09 CA CA2830105A patent/CA2830105C/en active Active
- 2012-05-09 DK DK12782641.0T patent/DK2707687T3/en active
- 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 |
|---|---|
| CA2830105C (en) | 2018-06-05 |
| EP2707687A1 (en) | 2014-03-19 |
| CN103518122B (zh) | 2016-04-20 |
| CN103518122A (zh) | 2014-01-15 |
| EP2707687B1 (en) | 2018-03-28 |
| CA2830105A1 (en) | 2012-11-15 |
| JP2014517933A (ja) | 2014-07-24 |
| US8825475B2 (en) | 2014-09-02 |
| DK2707687T3 (en) | 2018-05-28 |
| ES2668920T3 (es) | 2018-05-23 |
| HK1191395A1 (zh) | 2014-07-25 |
| PT2707687T (pt) | 2018-05-21 |
| WO2012151676A1 (en) | 2012-11-15 |
| JP6173304B2 (ja) | 2017-08-02 |
| US20120290295A1 (en) | 2012-11-15 |
| EP2707687A4 (en) | 2014-11-19 |