CN1954365A - 使用不同编码模型的音频编码 - Google Patents
使用不同编码模型的音频编码 Download PDFInfo
- Publication number
- CN1954365A CN1954365A CNA2004800430555A CN200480043055A CN1954365A CN 1954365 A CN1954365 A CN 1954365A CN A2004800430555 A CNA2004800430555 A CN A2004800430555A CN 200480043055 A CN200480043055 A CN 200480043055A CN 1954365 A CN1954365 A CN 1954365A
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- 230000005236 sound signal Effects 0.000 claims abstract description 147
- 238000004458 analytical method Methods 0.000 claims abstract description 64
- 238000000034 method Methods 0.000 claims abstract description 37
- 230000007704 transition Effects 0.000 claims description 8
- 230000004044 response Effects 0.000 claims description 7
- 238000012545 processing Methods 0.000 claims description 5
- 230000003213 activating effect Effects 0.000 claims description 2
- 238000004422 calculation algorithm Methods 0.000 description 26
- 239000000872 buffer Substances 0.000 description 17
- 230000000694 effects Effects 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000007670 refining Methods 0.000 description 4
- 238000012795 verification Methods 0.000 description 4
- 230000004913 activation Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000000873 masking effect Effects 0.000 description 2
- 241000208479 Anagallis arvensis Species 0.000 description 1
- 206010038743 Restlessness Diseases 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000007635 classification algorithm Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000010606 normalization Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000007363 ring formation reaction Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Images
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
- G10L19/16—Vocoder architecture
- G10L19/18—Vocoders using multiple modes
- G10L19/20—Vocoders using multiple modes using sound class specific coding, hybrid encoders or object based coding
Landscapes
- Engineering & Computer Science (AREA)
- Computational Linguistics (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Steroid Compounds (AREA)
Abstract
Description
Claims (23)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/IB2004/001579 WO2005112004A1 (en) | 2004-05-17 | 2004-05-17 | Audio encoding with different coding models |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1954365A true CN1954365A (zh) | 2007-04-25 |
CN1954365B CN1954365B (zh) | 2011-04-06 |
Family
ID=34957454
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2004800430555A Expired - Lifetime CN1954365B (zh) | 2004-05-17 | 2004-05-17 | 使用不同编码模型的音频编码 |
Country Status (13)
Country | Link |
---|---|
US (1) | US8069034B2 (zh) |
EP (1) | EP1747555B1 (zh) |
JP (1) | JP2007538281A (zh) |
CN (1) | CN1954365B (zh) |
AT (1) | ATE371926T1 (zh) |
AU (1) | AU2004319555A1 (zh) |
BR (1) | BRPI0418839A (zh) |
CA (1) | CA2566372A1 (zh) |
DE (1) | DE602004008676T2 (zh) |
ES (1) | ES2291877T3 (zh) |
MX (1) | MXPA06012578A (zh) |
TW (1) | TWI281981B (zh) |
WO (1) | WO2005112004A1 (zh) |
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---|---|---|---|---|
CN102687200A (zh) * | 2009-12-31 | 2012-09-19 | 摩托罗拉移动公司 | 使用可切换模型核心的嵌入式语音和音频代码化 |
CN102124517B (zh) * | 2008-07-11 | 2012-12-19 | 弗朗霍夫应用科学研究促进协会 | 具有共用预处理的低比特率音频编码/解码方案 |
CN103295577A (zh) * | 2013-05-27 | 2013-09-11 | 深圳广晟信源技术有限公司 | 用于音频信号编码的分析窗切换方法和装置 |
US9105263B2 (en) | 2011-07-13 | 2015-08-11 | Huawei Technologies Co., Ltd. | Audio signal coding and decoding method and device |
CN105981101A (zh) * | 2013-12-09 | 2016-09-28 | 弗劳恩霍夫应用研究促进协会 | 用于使用低计算资源对编码音频信号进行解码的装置和方法 |
CN103761971B (zh) * | 2009-07-27 | 2017-01-11 | 延世大学工业学术合作社 | 一种处理音频信号的方法和装置 |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2007083931A1 (en) * | 2006-01-18 | 2007-07-26 | Lg Electronics Inc. | Apparatus and method for encoding and decoding signal |
US9159333B2 (en) | 2006-06-21 | 2015-10-13 | Samsung Electronics Co., Ltd. | Method and apparatus for adaptively encoding and decoding high frequency band |
US7953595B2 (en) | 2006-10-18 | 2011-05-31 | Polycom, Inc. | Dual-transform coding of audio signals |
US7966175B2 (en) | 2006-10-18 | 2011-06-21 | Polycom, Inc. | Fast lattice vector quantization |
FR2911228A1 (fr) * | 2007-01-05 | 2008-07-11 | France Telecom | Codage par transformee, utilisant des fenetres de ponderation et a faible retard. |
KR100889750B1 (ko) * | 2007-05-17 | 2009-03-24 | 한국전자통신연구원 | 오디오 신호의 무손실 부호화/복호화 장치 및 그 방법 |
CN101889306A (zh) | 2007-10-15 | 2010-11-17 | Lg电子株式会社 | 用于处理信号的方法和装置 |
CN101868821B (zh) * | 2007-11-21 | 2015-09-23 | Lg电子株式会社 | 用于处理信号的方法和装置 |
US8306233B2 (en) * | 2008-06-17 | 2012-11-06 | Nokia Corporation | Transmission of audio signals |
EP4407610A1 (en) | 2008-07-11 | 2024-07-31 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoder, audio decoder, methods for encoding and decoding an audio signal, audio stream and computer program |
PL2301020T3 (pl) * | 2008-07-11 | 2013-06-28 | Fraunhofer Ges Forschung | Urządzenie i sposób do kodowania/dekodowania sygnału audio z użyciem algorytmu przełączania aliasingu |
EP2144171B1 (en) * | 2008-07-11 | 2018-05-16 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoder and decoder for encoding and decoding frames of a sampled audio signal |
MY181231A (en) * | 2008-07-11 | 2020-12-21 | Fraunhofer Ges Zur Forderung Der Angenwandten Forschung E V | Audio encoder and decoder for encoding and decoding audio samples |
EP2144230A1 (en) | 2008-07-11 | 2010-01-13 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Low bitrate audio encoding/decoding scheme having cascaded switches |
KR20100007738A (ko) * | 2008-07-14 | 2010-01-22 | 한국전자통신연구원 | 음성/오디오 통합 신호의 부호화/복호화 장치 |
FR2936898A1 (fr) * | 2008-10-08 | 2010-04-09 | France Telecom | Codage a echantillonnage critique avec codeur predictif |
JP5629429B2 (ja) * | 2008-11-21 | 2014-11-19 | パナソニック株式会社 | オーディオ再生装置及びオーディオ再生方法 |
KR101797033B1 (ko) | 2008-12-05 | 2017-11-14 | 삼성전자주식회사 | 부호화 모드를 이용한 음성신호의 부호화/복호화 장치 및 방법 |
JP4977157B2 (ja) | 2009-03-06 | 2012-07-18 | 株式会社エヌ・ティ・ティ・ドコモ | 音信号符号化方法、音信号復号方法、符号化装置、復号装置、音信号処理システム、音信号符号化プログラム、及び、音信号復号プログラム |
BR122020024236B1 (pt) * | 2009-10-20 | 2021-09-14 | Fraunhofer - Gesellschaft Zur Förderung Der Angewandten Forschung E. V. | Codificador de sinal de áudio, decodificador de sinal de áudio, método para prover uma representação codificada de um conteúdo de áudio, método para prover uma representação decodificada de um conteúdo de áudio e programa de computador para uso em aplicações de baixo retardamento |
WO2012000882A1 (en) | 2010-07-02 | 2012-01-05 | Dolby International Ab | Selective bass post filter |
CN103282958B (zh) * | 2010-10-15 | 2016-03-30 | 华为技术有限公司 | 信号分析器、信号分析方法、信号合成器、信号合成方法、变换器和反向变换器 |
US9514757B2 (en) | 2010-11-17 | 2016-12-06 | Panasonic Intellectual Property Corporation Of America | Stereo signal encoding device, stereo signal decoding device, stereo signal encoding method, and stereo signal decoding method |
US20240321285A1 (en) * | 2021-01-08 | 2024-09-26 | Voiceage Corporation | Method and device for unified time-domain / frequency domain coding of a sound signal |
CN118414662A (zh) * | 2021-12-15 | 2024-07-30 | 瑞典爱立信有限公司 | 自适应预测编码 |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
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US6471420B1 (en) * | 1994-05-13 | 2002-10-29 | Matsushita Electric Industrial Co., Ltd. | Voice selection apparatus voice response apparatus, and game apparatus using word tables from which selected words are output as voice selections |
US5751903A (en) * | 1994-12-19 | 1998-05-12 | Hughes Electronics | Low rate multi-mode CELP codec that encodes line SPECTRAL frequencies utilizing an offset |
JPH09185397A (ja) * | 1995-12-28 | 1997-07-15 | Olympus Optical Co Ltd | 音声情報記録装置 |
US6646995B1 (en) * | 1996-10-11 | 2003-11-11 | Alcatel Cit | Method of adapting the air interface and mobile radio system and corresponding base transceiver station, mobile station and transmission mode |
US6134518A (en) * | 1997-03-04 | 2000-10-17 | International Business Machines Corporation | Digital audio signal coding using a CELP coder and a transform coder |
US6167375A (en) * | 1997-03-17 | 2000-12-26 | Kabushiki Kaisha Toshiba | Method for encoding and decoding a speech signal including background noise |
ATE302991T1 (de) * | 1998-01-22 | 2005-09-15 | Deutsche Telekom Ag | Verfahren zur signalgesteuerten schaltung zwischen verschiedenen audiokodierungssystemen |
US7047185B1 (en) * | 1998-09-15 | 2006-05-16 | Skyworks Solutions, Inc. | Method and apparatus for dynamically switching between speech coders of a mobile unit as a function of received signal quality |
US6640209B1 (en) * | 1999-02-26 | 2003-10-28 | Qualcomm Incorporated | Closed-loop multimode mixed-domain linear prediction (MDLP) speech coder |
US6604070B1 (en) * | 1999-09-22 | 2003-08-05 | Conexant Systems, Inc. | System of encoding and decoding speech signals |
US6477502B1 (en) * | 2000-08-22 | 2002-11-05 | Qualcomm Incorporated | Method and apparatus for using non-symmetric speech coders to produce non-symmetric links in a wireless communication system |
FR2825826B1 (fr) * | 2001-06-11 | 2003-09-12 | Cit Alcatel | Procede pour detecter l'activite vocale dans un signal, et codeur de signal vocal comportant un dispositif pour la mise en oeuvre de ce procede |
US6658383B2 (en) * | 2001-06-26 | 2003-12-02 | Microsoft Corporation | Method for coding speech and music signals |
MXPA03005133A (es) | 2001-11-14 | 2004-04-02 | Matsushita Electric Ind Co Ltd | Dispositivo de codificacion, dispositivo de decodificacion y sistema de los mismos. |
US6785645B2 (en) * | 2001-11-29 | 2004-08-31 | Microsoft Corporation | Real-time speech and music classifier |
AU2003208517A1 (en) * | 2003-03-11 | 2004-09-30 | Nokia Corporation | Switching between coding schemes |
KR100889750B1 (ko) * | 2007-05-17 | 2009-03-24 | 한국전자통신연구원 | 오디오 신호의 무손실 부호화/복호화 장치 및 그 방법 |
-
2004
- 2004-05-17 AT AT04733391T patent/ATE371926T1/de not_active IP Right Cessation
- 2004-05-17 WO PCT/IB2004/001579 patent/WO2005112004A1/en active IP Right Grant
- 2004-05-17 JP JP2007517466A patent/JP2007538281A/ja not_active Withdrawn
- 2004-05-17 EP EP04733391A patent/EP1747555B1/en not_active Expired - Lifetime
- 2004-05-17 BR BRPI0418839-0A patent/BRPI0418839A/pt not_active IP Right Cessation
- 2004-05-17 DE DE602004008676T patent/DE602004008676T2/de not_active Expired - Lifetime
- 2004-05-17 AU AU2004319555A patent/AU2004319555A1/en not_active Abandoned
- 2004-05-17 CA CA002566372A patent/CA2566372A1/en not_active Abandoned
- 2004-05-17 ES ES04733391T patent/ES2291877T3/es not_active Expired - Lifetime
- 2004-05-17 MX MXPA06012578A patent/MXPA06012578A/es not_active Application Discontinuation
- 2004-05-17 CN CN2004800430555A patent/CN1954365B/zh not_active Expired - Lifetime
-
2005
- 2005-05-06 US US11/126,380 patent/US8069034B2/en active Active
- 2005-05-13 TW TW094115506A patent/TWI281981B/zh active
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102124517B (zh) * | 2008-07-11 | 2012-12-19 | 弗朗霍夫应用科学研究促进协会 | 具有共用预处理的低比特率音频编码/解码方案 |
CN103761971B (zh) * | 2009-07-27 | 2017-01-11 | 延世大学工业学术合作社 | 一种处理音频信号的方法和装置 |
CN102687200A (zh) * | 2009-12-31 | 2012-09-19 | 摩托罗拉移动公司 | 使用可切换模型核心的嵌入式语音和音频代码化 |
CN102687200B (zh) * | 2009-12-31 | 2014-12-10 | 摩托罗拉移动公司 | 使用可切换模型核心的嵌入式语音和音频代码化 |
US9105263B2 (en) | 2011-07-13 | 2015-08-11 | Huawei Technologies Co., Ltd. | Audio signal coding and decoding method and device |
US9984697B2 (en) | 2011-07-13 | 2018-05-29 | Huawei Technologies Co., Ltd. | Audio signal coding and decoding method and device |
US10546592B2 (en) | 2011-07-13 | 2020-01-28 | Huawei Technologies Co., Ltd. | Audio signal coding and decoding method and device |
US11127409B2 (en) | 2011-07-13 | 2021-09-21 | Huawei Technologies Co., Ltd. | Audio signal coding and decoding method and device |
CN103295577A (zh) * | 2013-05-27 | 2013-09-11 | 深圳广晟信源技术有限公司 | 用于音频信号编码的分析窗切换方法和装置 |
CN103295577B (zh) * | 2013-05-27 | 2015-09-02 | 深圳广晟信源技术有限公司 | 用于音频信号编码的分析窗切换方法和装置 |
CN105981101A (zh) * | 2013-12-09 | 2016-09-28 | 弗劳恩霍夫应用研究促进协会 | 用于使用低计算资源对编码音频信号进行解码的装置和方法 |
Also Published As
Publication number | Publication date |
---|---|
AU2004319555A1 (en) | 2005-11-24 |
MXPA06012578A (es) | 2006-12-15 |
CN1954365B (zh) | 2011-04-06 |
BRPI0418839A (pt) | 2007-11-13 |
JP2007538281A (ja) | 2007-12-27 |
EP1747555A1 (en) | 2007-01-31 |
TW200604536A (en) | 2006-02-01 |
ATE371926T1 (de) | 2007-09-15 |
US20050261892A1 (en) | 2005-11-24 |
EP1747555B1 (en) | 2007-08-29 |
US8069034B2 (en) | 2011-11-29 |
DE602004008676D1 (de) | 2007-10-11 |
DE602004008676T2 (de) | 2008-06-05 |
TWI281981B (en) | 2007-06-01 |
WO2005112004A1 (en) | 2005-11-24 |
CA2566372A1 (en) | 2005-11-24 |
ES2291877T3 (es) | 2008-03-01 |
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