ATE355590T1 - Audiosignalsynthese - Google Patents
AudiosignalsyntheseInfo
- Publication number
- ATE355590T1 ATE355590T1 AT04727357T AT04727357T ATE355590T1 AT E355590 T1 ATE355590 T1 AT E355590T1 AT 04727357 T AT04727357 T AT 04727357T AT 04727357 T AT04727357 T AT 04727357T AT E355590 T1 ATE355590 T1 AT E355590T1
- Authority
- AT
- Austria
- Prior art keywords
- signal
- transformed
- sub
- band
- audio signal
- Prior art date
Links
- 230000005236 sound signal Effects 0.000 title abstract 5
- 230000015572 biosynthetic process Effects 0.000 title 1
- 238000003786 synthesis reaction Methods 0.000 title 1
- 230000003111 delayed effect Effects 0.000 abstract 3
- 230000002194 synthesizing effect Effects 0.000 abstract 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
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S3/00—Systems employing more than two channels, e.g. quadraphonic
- H04S3/008—Systems employing more than two channels, e.g. quadraphonic in which the audio signals are in digital form, i.e. employing more than two discrete digital channels
-
- 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
- G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S2420/00—Techniques used stereophonic systems covered by H04S but not provided for in its groups
- H04S2420/03—Application of parametric coding in stereophonic audio systems
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Multimedia (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Computational Linguistics (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Mathematical Physics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Stereophonic System (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP03076134 | 2003-04-17 | ||
| EP03076166 | 2003-04-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE355590T1 true ATE355590T1 (de) | 2006-03-15 |
Family
ID=33300979
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT04727357T ATE355590T1 (de) | 2003-04-17 | 2004-04-14 | Audiosignalsynthese |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US8311809B2 (de) |
| EP (1) | EP1618763B1 (de) |
| JP (1) | JP4834539B2 (de) |
| KR (2) | KR101169596B1 (de) |
| CN (2) | CN1774956B (de) |
| AT (1) | ATE355590T1 (de) |
| BR (1) | BRPI0409337A (de) |
| DE (1) | DE602004005020T2 (de) |
| ES (1) | ES2281795T3 (de) |
| PL (1) | PL1618763T3 (de) |
| RU (1) | RU2005135650A (de) |
| WO (1) | WO2004093495A1 (de) |
Families Citing this family (50)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7240001B2 (en) | 2001-12-14 | 2007-07-03 | Microsoft Corporation | Quality improvement techniques in an audio encoder |
| US6934677B2 (en) | 2001-12-14 | 2005-08-23 | Microsoft Corporation | Quantization matrices based on critical band pattern information for digital audio wherein quantization bands differ from critical bands |
| US7502743B2 (en) * | 2002-09-04 | 2009-03-10 | Microsoft Corporation | Multi-channel audio encoding and decoding with multi-channel transform selection |
| KR101169596B1 (ko) | 2003-04-17 | 2012-07-30 | 코닌클리케 필립스 일렉트로닉스 엔.브이. | 오디오 신호 합성 |
| US7460990B2 (en) * | 2004-01-23 | 2008-12-02 | Microsoft Corporation | Efficient coding of digital media spectral data using wide-sense perceptual similarity |
| KR100707177B1 (ko) * | 2005-01-19 | 2007-04-13 | 삼성전자주식회사 | 디지털 신호 부호화/복호화 방법 및 장치 |
| DE602006021402D1 (de) * | 2005-02-24 | 2011-06-01 | Panasonic Corp | Datenwiedergabevorrichtung |
| EP1913577B1 (de) | 2005-06-30 | 2021-05-05 | Lg Electronics Inc. | Vorrichtung zum kodieren eines audiosignals und verfahren dafür |
| US8494667B2 (en) | 2005-06-30 | 2013-07-23 | Lg Electronics Inc. | Apparatus for encoding and decoding audio signal and method thereof |
| US7917561B2 (en) | 2005-09-16 | 2011-03-29 | Coding Technologies Ab | Partially complex modulated filter bank |
| US8443026B2 (en) | 2005-09-16 | 2013-05-14 | Dolby International Ab | Partially complex modulated filter bank |
| KR101169281B1 (ko) | 2005-10-05 | 2012-08-02 | 엘지전자 주식회사 | 오디오 신호 처리 방법 및 이의 장치, 그리고 인코딩 및 디코딩 방법 및 이의 장치 |
| US7840401B2 (en) * | 2005-10-24 | 2010-11-23 | Lg Electronics Inc. | Removing time delays in signal paths |
| US7831434B2 (en) * | 2006-01-20 | 2010-11-09 | Microsoft Corporation | Complex-transform channel coding with extended-band frequency coding |
| US7953604B2 (en) * | 2006-01-20 | 2011-05-31 | Microsoft Corporation | Shape and scale parameters for extended-band frequency coding |
| US8190425B2 (en) * | 2006-01-20 | 2012-05-29 | Microsoft Corporation | Complex cross-correlation parameters for multi-channel audio |
| JP2007221445A (ja) * | 2006-02-16 | 2007-08-30 | Sharp Corp | サラウンドシステム |
| KR100754220B1 (ko) | 2006-03-07 | 2007-09-03 | 삼성전자주식회사 | Mpeg 서라운드를 위한 바이노럴 디코더 및 그 디코딩방법 |
| CN101589623B (zh) | 2006-12-12 | 2013-03-13 | 弗劳恩霍夫应用研究促进协会 | 对表示时域数据流的数据段进行编码和解码的编码器、解码器以及方法 |
| FR2910752B1 (fr) * | 2006-12-22 | 2009-03-20 | Commissariat Energie Atomique | Procede de codage spatio-temporel pour systeme de communication multi-antenne de type uwb impulsionnel |
| BRPI0809760B1 (pt) | 2007-04-26 | 2020-12-01 | Dolby International Ab | aparelho e método para sintetizar um sinal de saída |
| KR101411900B1 (ko) * | 2007-05-08 | 2014-06-26 | 삼성전자주식회사 | 오디오 신호의 부호화 및 복호화 방법 및 장치 |
| KR101411901B1 (ko) * | 2007-06-12 | 2014-06-26 | 삼성전자주식회사 | 오디오 신호의 부호화/복호화 방법 및 장치 |
| US7885819B2 (en) | 2007-06-29 | 2011-02-08 | Microsoft Corporation | Bitstream syntax for multi-process audio decoding |
| PT2186090T (pt) * | 2007-08-27 | 2017-03-07 | ERICSSON TELEFON AB L M (publ) | Detetor de transitórios e método para suportar codificação de um sinal de áudio |
| GB2453117B (en) * | 2007-09-25 | 2012-05-23 | Motorola Mobility Inc | Apparatus and method for encoding a multi channel audio signal |
| DE102007048973B4 (de) * | 2007-10-12 | 2010-11-18 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Vorrichtung und Verfahren zum Erzeugen eines Multikanalsignals mit einer Sprachsignalverarbeitung |
| WO2009066959A1 (en) | 2007-11-21 | 2009-05-28 | Lg Electronics Inc. | A method and an apparatus for processing a signal |
| US8548615B2 (en) * | 2007-11-27 | 2013-10-01 | Nokia Corporation | Encoder |
| JP5400059B2 (ja) | 2007-12-18 | 2014-01-29 | エルジー エレクトロニクス インコーポレイティド | オーディオ信号処理方法及び装置 |
| KR101178114B1 (ko) * | 2008-03-04 | 2012-08-30 | 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. | 복수의 입력 데이터 스트림을 믹싱하기 위한 장치 |
| EP2124486A1 (de) * | 2008-05-13 | 2009-11-25 | Clemens Par | Winkelabhängig operierende Vorrichtung oder Methodik zur Gewinnung eines pseudostereophonen Audiosignals |
| PL2301020T3 (pl) * | 2008-07-11 | 2013-06-28 | Fraunhofer Ges Forschung | Urządzenie i sposób do kodowania/dekodowania sygnału audio z użyciem algorytmu przełączania aliasingu |
| BR122021009252B1 (pt) * | 2008-07-11 | 2022-03-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e. V. | Codificador e decodificador de áudio para estruturas de codificação de sinais de áudio amostrados |
| EP2144230A1 (de) | 2008-07-11 | 2010-01-13 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audiokodierungs-/Audiodekodierungsschema geringer Bitrate mit kaskadierten Schaltvorrichtungen |
| EP2154911A1 (de) * | 2008-08-13 | 2010-02-17 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Vorrichtung zur Bestimmung eines räumlichen Mehrkanalausgangsaudiosignals |
| EP2345030A2 (de) * | 2008-10-08 | 2011-07-20 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Mehrauflösungsgeschaltetes audiokodierungs-/-dekodierungsschema |
| WO2011158485A2 (ja) | 2010-06-14 | 2011-12-22 | パナソニック株式会社 | オーディオハイブリッド符号化装置およびオーディオハイブリッド復号装置 |
| US8762158B2 (en) * | 2010-08-06 | 2014-06-24 | Samsung Electronics Co., Ltd. | Decoding method and decoding apparatus therefor |
| PL2603913T3 (pl) | 2010-08-12 | 2014-11-28 | Fraunhofer Ges Forschung | Ponowne próbkowanie sygnałów wyjściowych kodeków audio na bazie QMF |
| EP2523473A1 (de) | 2011-05-11 | 2012-11-14 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Vorrichtung und Verfahren zur Erzeugung eines Ausgabesignals mithilfe einer Dekompositionsvorrichtung |
| CN103889335B (zh) * | 2011-10-28 | 2016-06-22 | 皇家飞利浦有限公司 | 用于处理针对听诊的心音的设备与方法 |
| ES2549953T3 (es) * | 2012-08-27 | 2015-11-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Aparato y método para la reproducción de una señal de audio, aparato y método para la generación de una señal de audio codificada, programa de ordenador y señal de audio codificada |
| KR101717006B1 (ko) * | 2013-04-05 | 2017-03-15 | 돌비 인터네셔널 에이비 | 오디오 프로세싱 시스템 |
| EP2830056A1 (de) | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Vorrichtung und Verfahren zur Codierung oder Decodierung eines Audiosignals mit intelligenter Lückenfüllung in der spektralen Domäne |
| US10510355B2 (en) | 2013-09-12 | 2019-12-17 | Dolby International Ab | Time-alignment of QMF based processing data |
| EP4120699A1 (de) * | 2013-09-17 | 2023-01-18 | Wilus Institute of Standards and Technology Inc. | Verfahren und vorrichtung zur verarbeitung von multimediasignalen |
| ES2659019T3 (es) | 2013-10-21 | 2018-03-13 | Dolby International Ab | Estructura de descorrelacionador para la reconstrucción paramétrica de señales de audio |
| CN106471575B (zh) * | 2014-07-01 | 2019-12-10 | 韩国电子通信研究院 | 多信道音频信号处理方法及装置 |
| WO2016142002A1 (en) | 2015-03-09 | 2016-09-15 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Audio encoder, audio decoder, method for encoding an audio signal and method for decoding an encoded audio signal |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5235646A (en) * | 1990-06-15 | 1993-08-10 | Wilde Martin D | Method and apparatus for creating de-correlated audio output signals and audio recordings made thereby |
| GB9107011D0 (en) * | 1991-04-04 | 1991-05-22 | Gerzon Michael A | Illusory sound distance control method |
| JP3127600B2 (ja) * | 1992-09-11 | 2001-01-29 | ソニー株式会社 | ディジタル信号復号化装置及び方法 |
| WO1995013660A1 (en) * | 1993-11-09 | 1995-05-18 | Sony Corporation | Quantization apparatus, quantization method, high efficiency encoder, high efficiency encoding method, decoder, high efficiency encoder and recording media |
| JP2953347B2 (ja) * | 1995-06-06 | 1999-09-27 | 日本ビクター株式会社 | サラウンド信号処理装置 |
| 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 |
| US5835375A (en) * | 1996-01-02 | 1998-11-10 | Ati Technologies Inc. | Integrated MPEG audio decoder and signal processor |
| DE19632734A1 (de) * | 1996-08-14 | 1998-02-19 | Thomson Brandt Gmbh | Verfahren und Vorrichtung zum Generieren eines Mehrton-Signals aus einem Mono-Signal |
| SE512719C2 (sv) | 1997-06-10 | 2000-05-02 | Lars Gustaf Liljeryd | En metod och anordning för reduktion av dataflöde baserad på harmonisk bandbreddsexpansion |
| US6199039B1 (en) * | 1998-08-03 | 2001-03-06 | National Science Council | Synthesis subband filter in MPEG-II audio decoding |
| TW390104B (en) * | 1998-08-10 | 2000-05-11 | Acer Labs Inc | Method and device for down mixing of multi-sound-track compression audio frequency bit stream |
| DE19900819A1 (de) * | 1999-01-12 | 2000-07-13 | Bosch Gmbh Robert | Verfahren zum Dekodieren gestörter Funksignale von Mehrkanal-Audiosendungen |
| US6487574B1 (en) * | 1999-02-26 | 2002-11-26 | Microsoft Corp. | System and method for producing modulated complex lapped transforms |
| US6175631B1 (en) * | 1999-07-09 | 2001-01-16 | Stephen A. Davis | Method and apparatus for decorrelating audio signals |
| US7006636B2 (en) * | 2002-05-24 | 2006-02-28 | Agere Systems Inc. | Coherence-based audio coding and synthesis |
| JP3776004B2 (ja) * | 2001-05-28 | 2006-05-17 | シャープ株式会社 | ディジタルデータの符号化方法 |
| SE0202159D0 (sv) * | 2001-07-10 | 2002-07-09 | Coding Technologies Sweden Ab | Efficientand scalable parametric stereo coding for low bitrate applications |
| KR101169596B1 (ko) | 2003-04-17 | 2012-07-30 | 코닌클리케 필립스 일렉트로닉스 엔.브이. | 오디오 신호 합성 |
-
2004
- 2004-04-14 KR KR1020057019770A patent/KR101169596B1/ko not_active Expired - Lifetime
- 2004-04-14 ES ES04727357T patent/ES2281795T3/es not_active Expired - Lifetime
- 2004-04-14 CN CN200480009976XA patent/CN1774956B/zh not_active Expired - Lifetime
- 2004-04-14 DE DE602004005020T patent/DE602004005020T2/de not_active Expired - Lifetime
- 2004-04-14 US US10/552,772 patent/US8311809B2/en active Active
- 2004-04-14 CN CNA2004800102851A patent/CN1774957A/zh active Pending
- 2004-04-14 BR BRPI0409337-2A patent/BRPI0409337A/pt not_active IP Right Cessation
- 2004-04-14 KR KR1020117005550A patent/KR101200776B1/ko not_active Expired - Lifetime
- 2004-04-14 EP EP04727357A patent/EP1618763B1/de not_active Expired - Lifetime
- 2004-04-14 JP JP2006506843A patent/JP4834539B2/ja not_active Expired - Lifetime
- 2004-04-14 WO PCT/IB2004/050436 patent/WO2004093495A1/en not_active Ceased
- 2004-04-14 AT AT04727357T patent/ATE355590T1/de active
- 2004-04-14 PL PL04727357T patent/PL1618763T3/pl unknown
- 2004-04-14 RU RU2005135650/09A patent/RU2005135650A/ru not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| KR20110044281A (ko) | 2011-04-28 |
| CN1774956A (zh) | 2006-05-17 |
| JP2006523859A (ja) | 2006-10-19 |
| KR20050122267A (ko) | 2005-12-28 |
| KR101169596B1 (ko) | 2012-07-30 |
| BRPI0409337A (pt) | 2006-04-25 |
| US8311809B2 (en) | 2012-11-13 |
| EP1618763B1 (de) | 2007-02-28 |
| US20070112559A1 (en) | 2007-05-17 |
| KR101200776B1 (ko) | 2012-11-13 |
| CN1774957A (zh) | 2006-05-17 |
| PL1618763T3 (pl) | 2007-07-31 |
| EP1618763A1 (de) | 2006-01-25 |
| RU2005135650A (ru) | 2006-03-20 |
| CN1774956B (zh) | 2011-10-05 |
| JP4834539B2 (ja) | 2011-12-14 |
| DE602004005020T2 (de) | 2007-10-31 |
| WO2004093495A1 (en) | 2004-10-28 |
| ES2281795T3 (es) | 2007-10-01 |
| DE602004005020D1 (de) | 2007-04-12 |
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| UEP | Publication of translation of european patent specification |
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