ES2650492T3 - Dispositivo y método de cuantificación de filtro LPC de múltiples referencias - Google Patents
Dispositivo y método de cuantificación de filtro LPC de múltiples referencias Download PDFInfo
- Publication number
- ES2650492T3 ES2650492T3 ES09793770.0T ES09793770T ES2650492T3 ES 2650492 T3 ES2650492 T3 ES 2650492T3 ES 09793770 T ES09793770 T ES 09793770T ES 2650492 T3 ES2650492 T3 ES 2650492T3
- Authority
- ES
- Spain
- Prior art keywords
- filter
- quantified
- lpc
- differential
- lpc filter
- Prior art date
- Legal status (The legal status 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 status listed.)
- Active
Links
- 238000011002 quantification Methods 0.000 title claims abstract description 126
- 238000000034 method Methods 0.000 title claims description 41
- 238000013139 quantization Methods 0.000 claims abstract description 76
- 238000013213 extrapolation Methods 0.000 claims description 10
- 238000012360 testing method Methods 0.000 claims description 4
- 239000013598 vector Substances 0.000 description 150
- 101000959200 Lytechinus pictus Actin, cytoskeletal 2 Proteins 0.000 description 56
- 102100040006 Annexin A1 Human genes 0.000 description 23
- 101000959738 Homo sapiens Annexin A1 Proteins 0.000 description 23
- 101000929342 Lytechinus pictus Actin, cytoskeletal 1 Proteins 0.000 description 23
- 101000797296 Lytechinus pictus Actin, cytoskeletal 3 Proteins 0.000 description 21
- 230000006870 function Effects 0.000 description 14
- 230000003595 spectral effect Effects 0.000 description 11
- 238000013459 approach Methods 0.000 description 10
- 230000005284 excitation Effects 0.000 description 10
- 238000010586 diagram Methods 0.000 description 9
- 230000005540 biological transmission Effects 0.000 description 8
- 230000008901 benefit Effects 0.000 description 7
- 238000004364 calculation method Methods 0.000 description 7
- 230000008859 change Effects 0.000 description 7
- 239000000284 extract Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 230000005236 sound signal Effects 0.000 description 4
- 230000009467 reduction Effects 0.000 description 3
- 230000011664 signaling Effects 0.000 description 3
- 230000009466 transformation Effects 0.000 description 3
- 230000003044 adaptive effect Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 238000010187 selection method Methods 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
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
-
- 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
- G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
- H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
- H03M7/3082—Vector coding
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Computational Linguistics (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Human Computer Interaction (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Theoretical Computer Science (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US12966908P | 2008-07-10 | 2008-07-10 | |
| US129669P | 2008-07-10 | ||
| US20207509P | 2009-01-27 | 2009-01-27 | |
| US202075P | 2009-01-27 | ||
| PCT/CA2009/000981 WO2010003254A1 (en) | 2008-07-10 | 2009-07-10 | Multi-reference lpc filter quantization and inverse quantization device and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES2650492T3 true ES2650492T3 (es) | 2018-01-18 |
Family
ID=41506638
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES09793770.0T Active ES2650492T3 (es) | 2008-07-10 | 2009-07-10 | Dispositivo y método de cuantificación de filtro LPC de múltiples referencias |
| ES09793769.2T Active ES2645375T3 (es) | 2008-07-10 | 2009-07-10 | Dispositivo y método de cuantificación y cuantificación inversa de filtro LPC de tasa de bits variable |
| ES09793768.4T Active ES2639747T3 (es) | 2008-07-10 | 2009-07-10 | Dispositivo y método para cuantificar filtros de LPC en una súper-trama |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES09793769.2T Active ES2645375T3 (es) | 2008-07-10 | 2009-07-10 | Dispositivo y método de cuantificación y cuantificación inversa de filtro LPC de tasa de bits variable |
| ES09793768.4T Active ES2639747T3 (es) | 2008-07-10 | 2009-07-10 | Dispositivo y método para cuantificar filtros de LPC en una súper-trama |
Country Status (16)
| Country | Link |
|---|---|
| US (4) | US8332213B2 (enExample) |
| EP (3) | EP2301021B1 (enExample) |
| JP (2) | JP2011527442A (enExample) |
| KR (2) | KR101604774B1 (enExample) |
| CN (2) | CN102089810B (enExample) |
| BR (1) | BRPI0915450B1 (enExample) |
| CA (5) | CA2729751C (enExample) |
| CY (3) | CY1119501T1 (enExample) |
| DK (3) | DK2313887T3 (enExample) |
| ES (3) | ES2650492T3 (enExample) |
| MX (1) | MX2011000363A (enExample) |
| NO (1) | NO2313887T3 (enExample) |
| PL (1) | PL2313887T3 (enExample) |
| PT (3) | PT2301021T (enExample) |
| RU (2) | RU2509379C2 (enExample) |
| WO (3) | WO2010003253A1 (enExample) |
Families Citing this family (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2533626T3 (es) * | 2007-03-02 | 2015-04-13 | Telefonaktiebolaget L M Ericsson (Publ) | Métodos y adaptaciones en una red de telecomunicaciones |
| CN101308655B (zh) * | 2007-05-16 | 2011-07-06 | 展讯通信（上海）有限公司 | 一种音频编解码方法与装置 |
| EP2077551B1 (en) * | 2008-01-04 | 2011-03-02 | Dolby Sweden AB | Audio encoder and decoder |
| US20110158189A1 (en) * | 2009-12-29 | 2011-06-30 | Industrial Technology Research Institute | Methods and Apparatus for Multi-Transmitter Collaborative Communications Systems |
| KR101660843B1 (ko) * | 2010-05-27 | 2016-09-29 | 삼성전자주식회사 | Ｌｐｃ 계수 양자화를 위한 가중치 함수 결정 장치 및 방법 |
| EP2581902A4 (en) * | 2010-06-14 | 2015-04-08 | Panasonic Corp | AUDIOHYBRID ENCODER AND AUDIOHYBRIDE DECODING DEVICE |
| CN105261372B (zh) | 2010-07-02 | 2021-07-16 | 杜比国际公司 | 自适应后置滤波器 |
| KR101747917B1 (ko) * | 2010-10-18 | 2017-06-15 | 삼성전자주식회사 | 선형 예측 계수를 양자화하기 위한 저복잡도를 가지는 가중치 함수 결정 장치 및 방법 |
| WO2013056388A1 (en) * | 2011-10-18 | 2013-04-25 | Telefonaktiebolaget L M Ericsson (Publ) | An improved method and apparatus for adaptive multi rate codec |
| US9208775B2 (en) * | 2013-02-21 | 2015-12-08 | Qualcomm Incorporated | Systems and methods for determining pitch pulse period signal boundaries |
| US9842598B2 (en) * | 2013-02-21 | 2017-12-12 | Qualcomm Incorporated | Systems and methods for mitigating potential frame instability |
| CN105144288B (zh) | 2013-04-05 | 2019-12-27 | 杜比国际公司 | 高级量化器 |
| PL3005350T3 (pl) | 2013-05-24 | 2017-09-29 | Dolby International Ab | Koder i dekoder audio |
| FR3008533A1 (fr) * | 2013-07-12 | 2015-01-16 | Orange | Facteur d'echelle optimise pour l'extension de bande de frequence dans un decodeur de signaux audiofrequences |
| CN104299614B (zh) * | 2013-07-16 | 2017-12-29 | 华为技术有限公司 | 解码方法和解码装置 |
| US10970967B2 (en) * | 2014-09-24 | 2021-04-06 | Jcm American Corporation | Electronic voucher ticket system |
| US9407989B1 (en) | 2015-06-30 | 2016-08-02 | Arthur Woodrow | Closed audio circuit |
| CN111899746B (zh) * | 2016-03-21 | 2022-10-18 | 华为技术有限公司 | 加权矩阵系数的自适应量化 |
| US10366698B2 (en) | 2016-08-30 | 2019-07-30 | Dts, Inc. | Variable length coding of indices and bit scheduling in a pyramid vector quantizer |
| WO2019121982A1 (en) | 2017-12-19 | 2019-06-27 | Dolby International Ab | Methods and apparatus for unified speech and audio decoding qmf based harmonic transposer improvements |
| US11532316B2 (en) | 2017-12-19 | 2022-12-20 | Dolby International Ab | Methods and apparatus systems for unified speech and audio decoding improvements |
| TWI812658B (zh) | 2017-12-19 | 2023-08-21 | 瑞典商都比國際公司 | 用於統一語音及音訊之解碼及編碼去關聯濾波器之改良之方法、裝置及系統 |
| US10950251B2 (en) * | 2018-03-05 | 2021-03-16 | Dts, Inc. | Coding of harmonic signals in transform-based audio codecs |
| CN113571073A (zh) * | 2020-04-28 | 2021-10-29 | 华为技术有限公司 | 一种线性预测编码参数的编码方法和编码装置 |
| KR20230043876A (ko) * | 2020-07-07 | 2023-03-31 | 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. | 다중 채널 오디오 신호의 채널에 대한 스케일 파라미터의 공동 코딩을 사용하는 오디오 디코더, 오디오 인코더 및 관련 방법 |
| JP7491395B2 (ja) * | 2020-11-05 | 2024-05-28 | 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 |
| US12354614B2 (en) * | 2022-10-28 | 2025-07-08 | Electronics And Telecommunications Research Institute | Speech coding method and apparatus for performing the same |
Family Cites Families (79)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE69133296T2 (de) * | 1990-02-22 | 2004-01-29 | Nec Corp | Sprachcodierer |
| US6006174A (en) * | 1990-10-03 | 1999-12-21 | Interdigital Technology Coporation | Multiple impulse excitation speech encoder and decoder |
| US5255339A (en) * | 1991-07-19 | 1993-10-19 | Motorola, Inc. | Low bit rate vocoder means and method |
| US5233660A (en) | 1991-09-10 | 1993-08-03 | At&T Bell Laboratories | Method and apparatus for low-delay celp speech coding and decoding |
| FI90477C (fi) * | 1992-03-23 | 1994-02-10 | Nokia Mobile Phones Ltd | Puhesignaalin laadun parannusmenetelmä lineaarista ennustusta käyttävään koodausjärjestelmään |
| EP0751496B1 (en) * | 1992-06-29 | 2000-04-19 | Nippon Telegraph And Telephone Corporation | Speech coding method and apparatus for the same |
| JP3255189B2 (ja) | 1992-12-01 | 2002-02-12 | 日本電信電話株式会社 | 音声パラメータの符号化方法および復号方法 |
| BR9404725A (pt) | 1993-03-26 | 1999-06-15 | Motorola Inc | Processo de quantificação por vetor de um vetor de coeficiente de reflexão ótimo processo de codificação de fala sistema de comunicação de rádio e processo de armazenagem de vetores de coeficiente de reflexão |
| AU7960994A (en) * | 1993-10-08 | 1995-05-04 | Comsat Corporation | Improved low bit rate vocoders and methods of operation therefor |
| FI98163C (fi) * | 1994-02-08 | 1997-04-25 | Nokia Mobile Phones Ltd | Koodausjärjestelmä parametriseen puheenkoodaukseen |
| JP3013698B2 (ja) * | 1994-04-20 | 2000-02-28 | 松下電器産業株式会社 | ベクトル量子化符号化装置と復号化装置 |
| CA2154911C (en) | 1994-08-02 | 2001-01-02 | Kazunori Ozawa | Speech coding device |
| JP3235703B2 (ja) * | 1995-03-10 | 2001-12-04 | 日本電信電話株式会社 | ディジタルフィルタのフィルタ係数決定方法 |
| US6263307B1 (en) | 1995-04-19 | 2001-07-17 | Texas Instruments Incorporated | Adaptive weiner filtering using line spectral frequencies |
| US5649051A (en) * | 1995-06-01 | 1997-07-15 | Rothweiler; Joseph Harvey | Constant data rate speech encoder for limited bandwidth path |
| JP3537008B2 (ja) * | 1995-07-17 | 2004-06-14 | 株式会社日立国際電気 | 音声符号化通信方式とその送受信装置 |
| TW321810B (enExample) * | 1995-10-26 | 1997-12-01 | Sony Co Ltd | |
| US5956674A (en) * | 1995-12-01 | 1999-09-21 | Digital Theater Systems, Inc. | Multi-channel predictive subband audio coder using psychoacoustic adaptive bit allocation in frequency, time and over the multiple channels |
| JP3094908B2 (ja) | 1996-04-17 | 2000-10-03 | 日本電気株式会社 | 音声符号化装置 |
| US6904404B1 (en) | 1996-07-01 | 2005-06-07 | Matsushita Electric Industrial Co., Ltd. | Multistage inverse quantization having the plurality of frequency bands |
| JP3357795B2 (ja) * | 1996-08-16 | 2002-12-16 | 株式会社東芝 | 音声符号化方法および装置 |
| JP3707153B2 (ja) * | 1996-09-24 | 2005-10-19 | ソニー株式会社 | ベクトル量子化方法、音声符号化方法及び装置 |
| JP3707154B2 (ja) * | 1996-09-24 | 2005-10-19 | ソニー株式会社 | 音声符号化方法及び装置 |
| US6154499A (en) | 1996-10-21 | 2000-11-28 | Comsat Corporation | Communication systems using nested coder and compatible channel coding |
| US6167375A (en) | 1997-03-17 | 2000-12-26 | Kabushiki Kaisha Toshiba | Method for encoding and decoding a speech signal including background noise |
| DE19730130C2 (de) * | 1997-07-14 | 2002-02-28 | Fraunhofer Ges Forschung | Verfahren zum Codieren eines Audiosignals |
| TW408298B (en) | 1997-08-28 | 2000-10-11 | Texas Instruments Inc | Improved method for switched-predictive quantization |
| US6889185B1 (en) * | 1997-08-28 | 2005-05-03 | Texas Instruments Incorporated | Quantization of linear prediction coefficients using perceptual weighting |
| WO1999010719A1 (en) * | 1997-08-29 | 1999-03-04 | The Regents Of The University Of California | Method and apparatus for hybrid coding of speech at 4kbps |
| DE69836785T2 (de) | 1997-10-03 | 2007-04-26 | Matsushita Electric Industrial Co., Ltd., Kadoma | Audiosignalkompression, Sprachsignalkompression und Spracherkennung |
| JP3842432B2 (ja) * | 1998-04-20 | 2006-11-08 | 株式会社東芝 | ベクトル量子化方法 |
| US7072832B1 (en) * | 1998-08-24 | 2006-07-04 | Mindspeed Technologies, Inc. | System for speech encoding having an adaptive encoding arrangement |
| US6823303B1 (en) * | 1998-08-24 | 2004-11-23 | Conexant Systems, Inc. | Speech encoder using voice activity detection in coding noise |
| US6507814B1 (en) * | 1998-08-24 | 2003-01-14 | Conexant Systems, Inc. | Pitch determination using speech classification and prior pitch estimation |
| US7272556B1 (en) * | 1998-09-23 | 2007-09-18 | Lucent Technologies Inc. | Scalable and embedded codec for speech and audio signals |
| FR2784218B1 (fr) * | 1998-10-06 | 2000-12-08 | Thomson Csf | Procede de codage de la parole a bas debit |
| JP3343082B2 (ja) | 1998-10-27 | 2002-11-11 | 松下電器産業株式会社 | Ｃｅｌｐ型音声符号化装置 |
| US6691082B1 (en) | 1999-08-03 | 2004-02-10 | Lucent Technologies Inc | Method and system for sub-band hybrid coding |
| US6782360B1 (en) * | 1999-09-22 | 2004-08-24 | Mindspeed Technologies, Inc. | Gain quantization for a CELP speech coder |
| US7315815B1 (en) * | 1999-09-22 | 2008-01-01 | Microsoft Corporation | LPC-harmonic vocoder with superframe structure |
| AU7486200A (en) | 1999-09-22 | 2001-04-24 | Conexant Systems, Inc. | Multimode speech encoder |
| US6792405B2 (en) * | 1999-12-10 | 2004-09-14 | At&T Corp. | Bitstream-based feature extraction method for a front-end speech recognizer |
| JP2002055699A (ja) * | 2000-08-10 | 2002-02-20 | Mitsubishi Electric Corp | 音声符号化装置および音声符号化方法 |
| JP2002055700A (ja) | 2000-08-11 | 2002-02-20 | Hitachi Kokusai Electric Inc | 音声信号符号復号化システム |
| CZ304196B6 (cs) * | 2000-11-30 | 2013-12-27 | Panasonic Corporation | Vektorové kvantizační zařízení LPC parametru, kodér řeči a přijímací zařízení signálu řeči |
| US6996523B1 (en) * | 2001-02-13 | 2006-02-07 | Hughes Electronics Corporation | Prototype waveform magnitude quantization for a frequency domain interpolative speech codec system |
| KR20020075592A (ko) * | 2001-03-26 | 2002-10-05 | 한국전자통신연구원 | 광대역 음성 부호화기용 ｌｓｆ 양자화기 |
| US7003454B2 (en) * | 2001-05-16 | 2006-02-21 | Nokia Corporation | Method and system for line spectral frequency vector quantization in speech codec |
| US6584437B2 (en) | 2001-06-11 | 2003-06-24 | Nokia Mobile Phones Ltd. | Method and apparatus for coding successive pitch periods in speech signal |
| US6658383B2 (en) | 2001-06-26 | 2003-12-02 | Microsoft Corporation | Method for coding speech and music signals |
| US6711027B2 (en) * | 2001-07-23 | 2004-03-23 | Intel Corporation | Modules having paths of different impedances |
| US7647223B2 (en) * | 2001-08-16 | 2010-01-12 | Broadcom Corporation | Robust composite quantization with sub-quantizers and inverse sub-quantizers using illegal space |
| US7386447B2 (en) * | 2001-11-02 | 2008-06-10 | Texas Instruments Incorporated | Speech coder and method |
| SE521600C2 (sv) * | 2001-12-04 | 2003-11-18 | Global Ip Sound Ab | Lågbittaktskodek |
| JP4263412B2 (ja) | 2002-01-29 | 2009-05-13 | 富士通株式会社 | 音声符号変換方法 |
| US20040002856A1 (en) * | 2002-03-08 | 2004-01-01 | Udaya Bhaskar | Multi-rate frequency domain interpolative speech CODEC system |
| AU2003247040A1 (en) * | 2002-07-16 | 2004-02-02 | Koninklijke Philips Electronics N.V. | Audio coding |
| US7536305B2 (en) * | 2002-09-04 | 2009-05-19 | Microsoft Corporation | Mixed lossless audio compression |
| CA2511516C (en) | 2002-12-24 | 2009-03-03 | Nokia Corporation | Method and device for robust predictive vector quantization of linear prediction parameters in variable bit rate speech coding |
| KR100486732B1 (ko) | 2003-02-19 | 2005-05-03 | 삼성전자주식회사 | 블럭제한된 트렐리스 부호화 양자화방법과 음성부호화시스템에있어서 이를 채용한 라인스펙트럼주파수 계수양자화방법 및 장치 |
| WO2004090864A2 (en) * | 2003-03-12 | 2004-10-21 | The Indian Institute Of Technology, Bombay | Method and apparatus for the encoding and decoding of speech |
| KR100732659B1 (ko) * | 2003-05-01 | 2007-06-27 | 노키아 코포레이션 | 가변 비트 레이트 광대역 스피치 음성 코딩시의 이득양자화를 위한 방법 및 장치 |
| FR2867649A1 (fr) * | 2003-12-10 | 2005-09-16 | France Telecom | Procede de codage multiple optimise |
| 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 |
| FR2869151B1 (fr) * | 2004-04-19 | 2007-01-26 | Thales Sa | Procede de quantification d'un codeur de parole a tres bas debit |
| JP4546464B2 (ja) * | 2004-04-27 | 2010-09-15 | パナソニック株式会社 | スケーラブル符号化装置、スケーラブル復号化装置、およびこれらの方法 |
| US7739120B2 (en) | 2004-05-17 | 2010-06-15 | Nokia Corporation | Selection of coding models for encoding an audio signal |
| US7596486B2 (en) * | 2004-05-19 | 2009-09-29 | Nokia Corporation | Encoding an audio signal using different audio coder modes |
| JP4871501B2 (ja) * | 2004-11-04 | 2012-02-08 | パナソニック株式会社 | ベクトル変換装置及びベクトル変換方法 |
| SG163556A1 (en) | 2005-04-01 | 2010-08-30 | Qualcomm Inc | Systems, methods, and apparatus for wideband speech coding |
| WO2007040349A1 (en) * | 2005-10-05 | 2007-04-12 | Lg Electronics Inc. | Method and apparatus for signal processing |
| JP2007142547A (ja) * | 2005-11-15 | 2007-06-07 | Oki Electric Ind Co Ltd | 符号化方法及び復号化方法とその符号器及び復号器 |
| JP5241701B2 (ja) * | 2007-03-02 | 2013-07-17 | パナソニック株式会社 | 符号化装置および符号化方法 |
| CN101110214B (zh) * | 2007-08-10 | 2011-08-17 | 北京理工大学 | 一种基于多描述格型矢量量化技术的语音编码方法 |
| 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 |
| EP2077551B1 (en) * | 2008-01-04 | 2011-03-02 | Dolby Sweden AB | Audio encoder and decoder |
| EP3288029A1 (en) * | 2008-01-16 | 2018-02-28 | III Holdings 12, LLC | Vector quantizer, vector inverse quantizer, and methods therefor |
| US8386271B2 (en) * | 2008-03-25 | 2013-02-26 | Microsoft Corporation | Lossless and near lossless scalable audio codec |
| GB2466670B (en) * | 2009-01-06 | 2012-11-14 | Skype | Speech encoding |
-
2009
- 2009-07-10 DK DK09793769.2T patent/DK2313887T3/da active
- 2009-07-10 RU RU2011104784/08A patent/RU2509379C2/ru active
- 2009-07-10 DK DK09793770.0T patent/DK2301022T3/en active
- 2009-07-10 PT PT97937684T patent/PT2301021T/pt unknown
- 2009-07-10 CA CA2729751A patent/CA2729751C/en active Active
- 2009-07-10 CA CA2729665A patent/CA2729665C/en active Active
- 2009-07-10 EP EP09793768.4A patent/EP2301021B1/en active Active
- 2009-07-10 US US12/501,188 patent/US8332213B2/en active Active
- 2009-07-10 NO NO09793769A patent/NO2313887T3/no unknown
- 2009-07-10 CA CA2972808A patent/CA2972808C/en active Active
- 2009-07-10 CN CN2009801267267A patent/CN102089810B/zh active Active
- 2009-07-10 EP EP09793770.0A patent/EP2301022B1/en active Active
- 2009-07-10 PL PL09793769T patent/PL2313887T3/pl unknown
- 2009-07-10 CA CA2729752A patent/CA2729752C/en active Active
- 2009-07-10 US US12/501,197 patent/US8712764B2/en active Active
- 2009-07-10 WO PCT/CA2009/000980 patent/WO2010003253A1/en not_active Ceased
- 2009-07-10 RU RU2011104813/08A patent/RU2011104813A/ru unknown
- 2009-07-10 ES ES09793770.0T patent/ES2650492T3/es active Active
- 2009-07-10 DK DK09793768.4T patent/DK2301021T3/en active
- 2009-07-10 CA CA2972812A patent/CA2972812C/en active Active
- 2009-07-10 MX MX2011000363A patent/MX2011000363A/es active IP Right Grant
- 2009-07-10 EP EP09793769.2A patent/EP2313887B1/en active Active
- 2009-07-10 ES ES09793769.2T patent/ES2645375T3/es active Active
- 2009-07-10 PT PT97937692T patent/PT2313887T/pt unknown
- 2009-07-10 PT PT97937700T patent/PT2301022T/pt unknown
- 2009-07-10 CN CN2009801267394A patent/CN102119414B/zh active Active
- 2009-07-10 JP JP2011516938A patent/JP2011527442A/ja active Pending
- 2009-07-10 WO PCT/CA2009/000981 patent/WO2010003254A1/en not_active Ceased
- 2009-07-10 KR KR1020117002977A patent/KR101604774B1/ko active Active
- 2009-07-10 KR KR1020117002983A patent/KR101592968B1/ko active Active
- 2009-07-10 US US12/501,201 patent/US9245532B2/en not_active Ceased
- 2009-07-10 WO PCT/CA2009/000979 patent/WO2010003252A1/en not_active Ceased
- 2009-07-10 JP JP2011516937A patent/JP5710476B2/ja active Active
- 2009-07-10 ES ES09793768.4T patent/ES2639747T3/es active Active
- 2009-07-10 BR BRPI0915450-7A patent/BRPI0915450B1/pt active IP Right Grant
-
2017
- 2017-09-08 CY CY20171100951T patent/CY1119501T1/el unknown
- 2017-10-26 CY CY20171101113T patent/CY1119494T1/el unknown
- 2017-12-05 CY CY20171101272T patent/CY1119659T1/el unknown
-
2018
- 2018-01-23 US US15/877,829 patent/USRE49363E1/en active Active
Also Published As
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| ES2650492T3 (es) | Dispositivo y método de cuantificación de filtro LPC de múltiples referencias | |
| RU2459282C2 (ru) | Масштабируемое кодирование речи и аудио с использованием комбинаторного кодирования mdct-спектра | |
| ES2360176T3 (es) | Alisamiento de discontinuidades entre tramas de habla. | |
| KR102222838B1 (ko) | 다른 샘플링 레이트들을 가진 프레임들간의 전환시 사운드 신호의 선형 예측 인코딩 및 디코딩을 위한 방법, 인코더 및 디코더 | |
| KR101810020B1 (ko) | 음성 코딩을 위한 혼합된 코드북 여기를 위한 시스템 및 방법 | |
| HK1153840B (en) | Multi-reference lpc filter quantization and inverse quantization device and method | |
| HK1154109B (en) | Device and method for quantizing and inverse quantizing lpc filters in a super-frame | |
| HK1145045A (en) | Scalable speech and audio encoding using combinatorial encoding of mdct spectrum |