CN1954365B - 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
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- CN1954365B CN1954365B CN2004800430555A CN200480043055A CN1954365B CN 1954365 B CN1954365 B CN 1954365B CN 2004800430555 A CN2004800430555 A CN 2004800430555A CN 200480043055 A CN200480043055 A CN 200480043055A CN 1954365 B CN1954365 B CN 1954365B
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- 230000005236 sound signal Effects 0.000 claims abstract description 125
- 238000004458 analytical method Methods 0.000 claims abstract description 55
- 238000000034 method Methods 0.000 claims abstract description 37
- 230000007704 transition Effects 0.000 claims description 8
- 230000004044 response Effects 0.000 claims description 5
- 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
- 238000012545 processing 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
- 230000003213 activating effect Effects 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
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- 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 (15)
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 CN1954365A (zh) | 2007-04-25 |
CN1954365B true 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) |
Families Citing this family (30)
Publication number | Priority date | Publication date | Assignee | Title |
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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 |
EP2198426A4 (en) | 2007-10-15 | 2012-01-18 | Lg Electronics Inc | METHOD AND DEVICE FOR PROCESSING A SIGNAL |
BRPI0820488A2 (pt) * | 2007-11-21 | 2017-05-23 | Lg Electronics Inc | método e equipamento para processar um sinal |
US8306233B2 (en) * | 2008-06-17 | 2012-11-06 | Nokia Corporation | Transmission of audio signals |
AU2009267459B2 (en) * | 2008-07-11 | 2014-01-23 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Audio encoder, audio decoder, methods for encoding and decoding an audio signal, audio stream and computer program |
EP2144231A1 (en) * | 2008-07-11 | 2010-01-13 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Low bitrate audio encoding/decoding scheme with common preprocessing |
AU2009267518B2 (en) * | 2008-07-11 | 2012-08-16 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Apparatus and method for encoding/decoding an audio signal using an aliasing switch scheme |
ES2683077T3 (es) * | 2008-07-11 | 2018-09-24 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Codificador y decodificador de audio para codificar y decodificar tramas de una señal de audio muestreada |
RU2515704C2 (ru) * | 2008-07-11 | 2014-05-20 | Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. | Аудиокодер и аудиодекодер для кодирования и декодирования отсчетов аудиосигнала |
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 |
WO2011013980A2 (en) * | 2009-07-27 | 2011-02-03 | Lg Electronics Inc. | A method and an apparatus for processing an audio signal |
BR112012009032B1 (pt) * | 2009-10-20 | 2021-09-21 | 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 para uso em aplicações de baixo retardamento |
US8442837B2 (en) * | 2009-12-31 | 2013-05-14 | Motorola Mobility Llc | Embedded speech and audio coding using a switchable model core |
CN105355209B (zh) | 2010-07-02 | 2020-02-14 | 杜比国际公司 | 音高增强后置滤波器 |
EP2619758B1 (en) * | 2010-10-15 | 2015-08-19 | Huawei Technologies Co., Ltd. | Audio signal transformer and inverse transformer, methods for audio signal analysis and synthesis |
CN103180899B (zh) * | 2010-11-17 | 2015-07-22 | 松下电器(美国)知识产权公司 | 立体声信号的编码装置、解码装置、编码方法及解码方法 |
CN102208188B (zh) | 2011-07-13 | 2013-04-17 | 华为技术有限公司 | 音频信号编解码方法和设备 |
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 |
EP2881943A1 (en) * | 2013-12-09 | 2015-06-10 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for decoding an encoded audio signal with low computational resources |
WO2023110082A1 (en) * | 2021-12-15 | 2023-06-22 | Telefonaktiebolaget Lm Ericsson (Publ) | Adaptive predictive encoding |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6134518A (en) * | 1997-03-04 | 2000-10-17 | International Business Machines Corporation | Digital audio signal coding using a CELP coder and a transform coder |
Family Cites Families (16)
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 |
US6167375A (en) * | 1997-03-17 | 2000-12-26 | Kabushiki Kaisha Toshiba | Method for encoding and decoding a speech signal including background noise |
DE69926821T2 (de) * | 1998-01-22 | 2007-12-06 | 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 |
EP1374230B1 (en) * | 2001-11-14 | 2006-06-21 | Matsushita Electric Industrial Co., Ltd. | Audio coding and decoding |
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 CN CN2004800430555A patent/CN1954365B/zh not_active Expired - Lifetime
- 2004-05-17 EP EP04733391A patent/EP1747555B1/en not_active Expired - Lifetime
- 2004-05-17 MX MXPA06012578A patent/MXPA06012578A/es not_active Application Discontinuation
- 2004-05-17 ES ES04733391T patent/ES2291877T3/es not_active Expired - Lifetime
- 2004-05-17 AT AT04733391T patent/ATE371926T1/de not_active IP Right Cessation
- 2004-05-17 CA CA002566372A patent/CA2566372A1/en not_active Abandoned
- 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 WO PCT/IB2004/001579 patent/WO2005112004A1/en active IP Right Grant
- 2004-05-17 AU AU2004319555A patent/AU2004319555A1/en not_active Abandoned
- 2004-05-17 JP JP2007517466A patent/JP2007538281A/ja not_active Withdrawn
-
2005
- 2005-05-06 US US11/126,380 patent/US8069034B2/en active Active
- 2005-05-13 TW TW094115506A patent/TWI281981B/zh active
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6134518A (en) * | 1997-03-04 | 2000-10-17 | International Business Machines Corporation | Digital audio signal coding using a CELP coder and a transform coder |
Also Published As
Publication number | Publication date |
---|---|
ES2291877T3 (es) | 2008-03-01 |
US8069034B2 (en) | 2011-11-29 |
DE602004008676D1 (de) | 2007-10-11 |
EP1747555B1 (en) | 2007-08-29 |
ATE371926T1 (de) | 2007-09-15 |
DE602004008676T2 (de) | 2008-06-05 |
CN1954365A (zh) | 2007-04-25 |
CA2566372A1 (en) | 2005-11-24 |
US20050261892A1 (en) | 2005-11-24 |
TWI281981B (en) | 2007-06-01 |
WO2005112004A1 (en) | 2005-11-24 |
EP1747555A1 (en) | 2007-01-31 |
BRPI0418839A (pt) | 2007-11-13 |
AU2004319555A1 (en) | 2005-11-24 |
MXPA06012578A (es) | 2006-12-15 |
JP2007538281A (ja) | 2007-12-27 |
TW200604536A (en) | 2006-02-01 |
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Effective date of registration: 20160118 Address after: Espoo, Finland Patentee after: NOKIA TECHNOLOGIES OY Address before: Espoo, Finland Patentee before: NOKIA Corp. |
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Granted publication date: 20110406 |