SE0402652D0 - Methods for improved performance of prediction based multi- channel reconstruction - Google Patents
Methods for improved performance of prediction based multi- channel reconstructionInfo
- Publication number
- SE0402652D0 SE0402652D0 SE0402652A SE0402652A SE0402652D0 SE 0402652 D0 SE0402652 D0 SE 0402652D0 SE 0402652 A SE0402652 A SE 0402652A SE 0402652 A SE0402652 A SE 0402652A SE 0402652 D0 SE0402652 D0 SE 0402652D0
- Authority
- SE
- Sweden
- Prior art keywords
- energy
- methods
- prediction based
- upmix
- improved performance
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 4
- 230000005236 sound signal 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
- G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
-
- 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
-
- 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)
- Computational Linguistics (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Mathematical Physics (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Stereophonic System (AREA)
- Transmitters (AREA)
- Fats And Perfumes (AREA)
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
- Amplifiers (AREA)
- Electroluminescent Light Sources (AREA)
- Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
- Manufacturing Of Micro-Capsules (AREA)
- Geophysics And Detection Of Objects (AREA)
Priority Applications (27)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE0402652A SE0402652D0 (sv) | 2004-11-02 | 2004-11-02 | Methods for improved performance of prediction based multi- channel reconstruction |
DE602005002256T DE602005002256T2 (de) | 2004-11-02 | 2005-10-28 | Auf mehrfachparametrisierung basierende mehrkanalrekonstruktion |
DE602005002833T DE602005002833T2 (de) | 2004-11-02 | 2005-10-28 | Kompensation von multikanal-audio energieverlusten |
KR1020077000000A KR100905067B1 (ko) | 2004-11-02 | 2005-10-28 | 멀티 파라미터화 기반의 멀티 채널 복원 |
AT05811028T ATE375590T1 (de) | 2004-11-02 | 2005-10-28 | Kompensation von multikanal-audio energieverlusten |
EP05811028A EP1730726B1 (en) | 2004-11-02 | 2005-10-28 | Multi-channel audio energy loss compensation |
PL05811028T PL1730726T3 (pl) | 2004-11-02 | 2005-10-28 | Kompensacja strat energii w wielokanałowym sygnale audio |
RU2006146947/09A RU2369918C2 (ru) | 2004-11-02 | 2005-10-28 | Многоканальное восстановление на основе множественной параметризации |
CN2005800200435A CN1969317B (zh) | 2004-11-02 | 2005-10-28 | 基于多个参数化的多声道重构 |
JP2007537236A JP4527782B2 (ja) | 2004-11-02 | 2005-10-28 | 多パラメータ化ベースの多チャンネル再構築 |
ES05797620T ES2292147T3 (es) | 2004-11-02 | 2005-10-28 | Reconstruccion multicanal basada en multiparametrizacion. |
CN2005800175433A CN1998046B (zh) | 2004-11-02 | 2005-10-28 | 多声道合成器、编码器、编码方法以及使用它们的设备 |
PCT/EP2005/011587 WO2006048204A1 (en) | 2004-11-02 | 2005-10-28 | Multi parametrisation based multi-channel reconstruction |
ES05811028T ES2294738T3 (es) | 2004-11-02 | 2005-10-28 | Compensacion de perdida de energia de audio multicanal. |
JP2007537235A JP4527781B2 (ja) | 2004-11-02 | 2005-10-28 | 予測ベースの多チャンネル再構築の性能を改善するための方法 |
PL05797620T PL1738353T3 (pl) | 2004-11-02 | 2005-10-28 | Wielokanałowa rekonstrukcja oparta na wielu parametryzacjach |
PCT/EP2005/011586 WO2006048203A1 (en) | 2004-11-02 | 2005-10-28 | Methods for improved performance of prediction based multi-channel reconstruction |
KR1020067026450A KR100885192B1 (ko) | 2004-11-02 | 2005-10-28 | 개선된 성능의 예측 기반의 멀티 채널 복원 방법, 장치 및 그 구성 요소 |
AT05797620T ATE371925T1 (de) | 2004-11-02 | 2005-10-28 | Auf mehrfachparametrisierung basierende mehrkanalrekonstruktion |
EP05797620A EP1738353B1 (en) | 2004-11-02 | 2005-10-28 | Multi parametrisation based multi-channel reconstruction |
RU2006146948/09A RU2369917C2 (ru) | 2004-11-02 | 2005-10-28 | Способы улучшения характеристик многоканальной реконструкции на основе прогнозирования |
TW094138177A TWI328405B (en) | 2004-11-02 | 2005-10-31 | Multi-channel synthesizer, encoder for processing a multi-channel input signal, method of generating at least three output channels and method of processing a multi-channel input signal |
TW094138176A TWI338281B (en) | 2004-11-02 | 2005-10-31 | Methods and devices for improved performance of prediction based multi-channel reconstruction |
US11/290,372 US7668722B2 (en) | 2004-11-02 | 2005-11-29 | Multi parametrisation based multi-channel reconstruction |
US11/290,370 US8515083B2 (en) | 2004-11-02 | 2005-11-29 | Methods for improved performance of prediction based multi-channel reconstruction |
HK07101175A HK1097336A1 (en) | 2004-11-02 | 2007-02-01 | Multi-channel audio energy loss compensation |
HK07101782A HK1097082A1 (en) | 2004-11-02 | 2007-02-15 | Multi parametrisation based multi-channel reconstruction |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE0402652A SE0402652D0 (sv) | 2004-11-02 | 2004-11-02 | Methods for improved performance of prediction based multi- channel reconstruction |
Publications (1)
Publication Number | Publication Date |
---|---|
SE0402652D0 true SE0402652D0 (sv) | 2004-11-02 |
Family
ID=33488133
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE0402652A SE0402652D0 (sv) | 2004-11-02 | 2004-11-02 | Methods for improved performance of prediction based multi- channel reconstruction |
Country Status (14)
Country | Link |
---|---|
US (2) | US8515083B2 (sv) |
EP (2) | EP1730726B1 (sv) |
JP (2) | JP4527781B2 (sv) |
KR (2) | KR100905067B1 (sv) |
CN (2) | CN1969317B (sv) |
AT (2) | ATE371925T1 (sv) |
DE (2) | DE602005002833T2 (sv) |
ES (2) | ES2294738T3 (sv) |
HK (2) | HK1097336A1 (sv) |
PL (2) | PL1730726T3 (sv) |
RU (2) | RU2369918C2 (sv) |
SE (1) | SE0402652D0 (sv) |
TW (2) | TWI328405B (sv) |
WO (2) | WO2006048203A1 (sv) |
Families Citing this family (112)
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 |
US7929708B2 (en) * | 2004-01-12 | 2011-04-19 | Dts, Inc. | Audio spatial environment engine |
US7460990B2 (en) | 2004-01-23 | 2008-12-02 | Microsoft Corporation | Efficient coding of digital media spectral data using wide-sense perceptual similarity |
WO2006008697A1 (en) * | 2004-07-14 | 2006-01-26 | Koninklijke Philips Electronics N.V. | Audio channel conversion |
TWI393121B (zh) * | 2004-08-25 | 2013-04-11 | Dolby Lab Licensing Corp | 處理一組n個聲音信號之方法與裝置及與其相關聯之電腦程式 |
US7853022B2 (en) | 2004-10-28 | 2010-12-14 | Thompson Jeffrey K | Audio spatial environment engine |
CN101065797B (zh) * | 2004-10-28 | 2011-07-27 | Dts(英属维尔京群岛)有限公司 | 动态下混频的系统 |
US20060106620A1 (en) * | 2004-10-28 | 2006-05-18 | Thompson Jeffrey K | Audio spatial environment down-mixer |
EP1691348A1 (en) * | 2005-02-14 | 2006-08-16 | Ecole Polytechnique Federale De Lausanne | Parametric joint-coding of audio sources |
CN101151660B (zh) * | 2005-03-30 | 2011-10-19 | 皇家飞利浦电子股份有限公司 | 多通道音频编码器、解码器以及相应方法 |
WO2007004828A2 (en) * | 2005-06-30 | 2007-01-11 | Lg Electronics Inc. | Apparatus for encoding and decoding audio signal and method thereof |
JP2009500656A (ja) * | 2005-06-30 | 2009-01-08 | エルジー エレクトロニクス インコーポレイティド | オーディオ信号をエンコーディング及びデコーディングするための装置とその方法 |
US7562021B2 (en) * | 2005-07-15 | 2009-07-14 | Microsoft Corporation | Modification of codewords in dictionary used for efficient coding of digital media spectral data |
US7630882B2 (en) * | 2005-07-15 | 2009-12-08 | Microsoft Corporation | Frequency segmentation to obtain bands for efficient coding of digital media |
WO2007026821A1 (ja) * | 2005-09-02 | 2007-03-08 | Matsushita Electric Industrial Co., Ltd. | エネルギー整形装置及びエネルギー整形方法 |
CA2646961C (en) * | 2006-03-28 | 2013-09-03 | Sascha Disch | Enhanced method for signal shaping in multi-channel audio reconstruction |
US7965848B2 (en) * | 2006-03-29 | 2011-06-21 | Dolby International Ab | Reduced number of channels decoding |
US8027479B2 (en) | 2006-06-02 | 2011-09-27 | Coding Technologies Ab | Binaural multi-channel decoder in the context of non-energy conserving upmix rules |
JP4999846B2 (ja) * | 2006-08-04 | 2012-08-15 | パナソニック株式会社 | ステレオ音声符号化装置、ステレオ音声復号装置、およびこれらの方法 |
US8588440B2 (en) * | 2006-09-14 | 2013-11-19 | Koninklijke Philips N.V. | Sweet spot manipulation for a multi-channel signal |
CN102768835B (zh) | 2006-09-29 | 2014-11-05 | 韩国电子通信研究院 | 用于编码和解码具有各种声道的多对象音频信号的设备和方法 |
AU2007300813B2 (en) | 2006-09-29 | 2010-10-14 | Lg Electronics Inc. | Methods and apparatuses for encoding and decoding object-based audio signals |
RU2431940C2 (ru) | 2006-10-16 | 2011-10-20 | Фраунхофер-Гезелльшафт цур Фёрдерунг дер ангевандтен Форшунг Е.Ф. | Аппаратура и метод многоканального параметрического преобразования |
CA2666640C (en) * | 2006-10-16 | 2015-03-10 | Dolby Sweden Ab | Enhanced coding and parameter representation of multichannel downmixed object coding |
DE102006050068B4 (de) * | 2006-10-24 | 2010-11-11 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Vorrichtung und Verfahren zum Erzeugen eines Umgebungssignals aus einem Audiosignal, Vorrichtung und Verfahren zum Ableiten eines Mehrkanal-Audiosignals aus einem Audiosignal und Computerprogramm |
JP5103880B2 (ja) * | 2006-11-24 | 2012-12-19 | 富士通株式会社 | 復号化装置および復号化方法 |
BRPI0711094A2 (pt) * | 2006-11-24 | 2011-08-23 | Lg Eletronics Inc | método para codificação e decodificação de sinal de áudio baseado em objeto e aparelho deste |
KR101100222B1 (ko) | 2006-12-07 | 2011-12-28 | 엘지전자 주식회사 | 오디오 처리 방법 및 장치 |
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US8271289B2 (en) | 2007-02-14 | 2012-09-18 | Lg Electronics Inc. | Methods and apparatuses for encoding and decoding object-based audio signals |
US8290167B2 (en) * | 2007-03-21 | 2012-10-16 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Method and apparatus for conversion between multi-channel audio formats |
US9015051B2 (en) * | 2007-03-21 | 2015-04-21 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Reconstruction of audio channels with direction parameters indicating direction of origin |
US8908873B2 (en) * | 2007-03-21 | 2014-12-09 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Method and apparatus for conversion between multi-channel audio formats |
US8515759B2 (en) * | 2007-04-26 | 2013-08-20 | Dolby International Ab | Apparatus and method for synthesizing an output signal |
US7761290B2 (en) | 2007-06-15 | 2010-07-20 | Microsoft Corporation | Flexible frequency and time partitioning in perceptual transform coding of audio |
US8046214B2 (en) | 2007-06-22 | 2011-10-25 | Microsoft Corporation | Low complexity decoder for complex transform coding of multi-channel sound |
US7885819B2 (en) | 2007-06-29 | 2011-02-08 | Microsoft Corporation | Bitstream syntax for multi-process audio decoding |
US8295494B2 (en) * | 2007-08-13 | 2012-10-23 | Lg Electronics Inc. | Enhancing audio with remixing capability |
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 |
CA2701457C (en) | 2007-10-17 | 2016-05-17 | Oliver Hellmuth | Audio coding using upmix |
US8249883B2 (en) * | 2007-10-26 | 2012-08-21 | Microsoft Corporation | Channel extension coding for multi-channel source |
KR101505831B1 (ko) * | 2007-10-30 | 2015-03-26 | 삼성전자주식회사 | 멀티 채널 신호의 부호화/복호화 방법 및 장치 |
CN101842832B (zh) * | 2007-10-31 | 2012-11-07 | 松下电器产业株式会社 | 编码装置和解码装置 |
RU2010125221A (ru) * | 2007-11-21 | 2011-12-27 | ЭлДжи ЭЛЕКТРОНИКС ИНК. (KR) | Способ и устройство для обработки сигнала |
EP2232487B1 (en) * | 2008-01-01 | 2015-08-05 | LG Electronics Inc. | A method and an apparatus for processing an audio signal |
CN101903943A (zh) * | 2008-01-01 | 2010-12-01 | Lg电子株式会社 | 用于处理信号的方法和装置 |
CN101911732A (zh) * | 2008-01-01 | 2010-12-08 | Lg电子株式会社 | 用于处理音频信号的方法和装置 |
KR101452722B1 (ko) * | 2008-02-19 | 2014-10-23 | 삼성전자주식회사 | 신호 부호화 및 복호화 방법 및 장치 |
EP2260487B1 (en) * | 2008-03-04 | 2019-08-21 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Mixing of input data streams and generation of an output data stream therefrom |
KR101428487B1 (ko) * | 2008-07-11 | 2014-08-08 | 삼성전자주식회사 | 멀티 채널 부호화 및 복호화 방법 및 장치 |
CN101630509B (zh) * | 2008-07-14 | 2012-04-18 | 华为技术有限公司 | 一种编解码方法、装置及系统 |
US8705749B2 (en) * | 2008-08-14 | 2014-04-22 | Dolby Laboratories Licensing Corporation | Audio signal transformatting |
JP5326465B2 (ja) | 2008-09-26 | 2013-10-30 | 富士通株式会社 | オーディオ復号方法、装置、及びプログラム |
TWI413109B (zh) | 2008-10-01 | 2013-10-21 | Dolby Lab Licensing Corp | 用於上混系統之解相關器 |
US9330671B2 (en) | 2008-10-10 | 2016-05-03 | Telefonaktiebolaget L M Ericsson (Publ) | Energy conservative multi-channel audio coding |
CN101740030B (zh) * | 2008-11-04 | 2012-07-18 | 北京中星微电子有限公司 | 语音信号的发送及接收方法、及其装置 |
EP2214162A1 (en) * | 2009-01-28 | 2010-08-04 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Upmixer, method and computer program for upmixing a downmix audio signal |
US9172572B2 (en) | 2009-01-30 | 2015-10-27 | Samsung Electronics Co., Ltd. | Digital video broadcasting-cable system and method for processing reserved tone |
US20120072207A1 (en) * | 2009-06-02 | 2012-03-22 | Panasonic Corporation | Down-mixing device, encoder, and method therefor |
RU2526745C2 (ru) | 2009-12-16 | 2014-08-27 | Долби Интернешнл Аб | Низведение параметров последовательности битов sbr |
AU2013242852B2 (en) * | 2009-12-16 | 2015-11-12 | Dolby International Ab | Sbr bitstream parameter downmix |
US8872911B1 (en) * | 2010-01-05 | 2014-10-28 | Cognex Corporation | Line scan calibration method and apparatus |
CN102714560B (zh) * | 2010-01-13 | 2015-03-25 | 松下电器产业株式会社 | 发送装置、发送方法、接收装置、接收方法 |
EP2360681A1 (en) * | 2010-01-15 | 2011-08-24 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for extracting a direct/ambience signal from a downmix signal and spatial parametric information |
JP5604933B2 (ja) | 2010-03-30 | 2014-10-15 | 富士通株式会社 | ダウンミクス装置およびダウンミクス方法 |
CA3105050C (en) | 2010-04-09 | 2021-08-31 | Dolby International Ab | Audio upmixer operable in prediction or non-prediction mode |
CN103069481B (zh) * | 2010-07-20 | 2014-11-05 | 华为技术有限公司 | 音频信号合成器 |
KR101678610B1 (ko) * | 2010-07-27 | 2016-11-23 | 삼성전자주식회사 | 롱텀 채널 정보를 기반으로 다중 노드 간 서브밴드 별 협력 통신을 수행하는 방법 및 장치 |
US9280980B2 (en) | 2011-02-09 | 2016-03-08 | Telefonaktiebolaget L M Ericsson (Publ) | Efficient encoding/decoding of audio signals |
JP5714180B2 (ja) | 2011-05-19 | 2015-05-07 | ドルビー ラボラトリーズ ライセンシング コーポレイション | パラメトリックオーディオコーディング方式の鑑識検出 |
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BR112014010062B1 (pt) * | 2011-11-01 | 2021-12-14 | Koninklijke Philips N.V. | Codificador de objeto de áudio, decodificador de objeto de áudio, método para a codificação de objeto de áudio, e método para a decodificação de objeto de áudio |
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JP5799824B2 (ja) | 2012-01-18 | 2015-10-28 | 富士通株式会社 | オーディオ符号化装置、オーディオ符号化方法及びオーディオ符号化用コンピュータプログラム |
CN103220058A (zh) * | 2012-01-20 | 2013-07-24 | 旭扬半导体股份有限公司 | 音频数据与视觉数据同步装置及其方法 |
US20130253923A1 (en) * | 2012-03-21 | 2013-09-26 | Her Majesty The Queen In Right Of Canada, As Represented By The Minister Of Industry | Multichannel enhancement system for preserving spatial cues |
JP6051621B2 (ja) | 2012-06-29 | 2016-12-27 | 富士通株式会社 | オーディオ符号化装置、オーディオ符号化方法、オーディオ符号化用コンピュータプログラム、及びオーディオ復号装置 |
JP5949270B2 (ja) * | 2012-07-24 | 2016-07-06 | 富士通株式会社 | オーディオ復号装置、オーディオ復号方法、オーディオ復号用コンピュータプログラム |
JP6065452B2 (ja) | 2012-08-14 | 2017-01-25 | 富士通株式会社 | データ埋め込み装置及び方法、データ抽出装置及び方法、並びにプログラム |
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 |
KR102302012B1 (ko) * | 2012-11-15 | 2021-09-13 | 가부시키가이샤 엔.티.티.도코모 | 음성 부호화 장치, 음성 부호화 방법, 음성 부호화 프로그램, 음성 복호 장치, 음성 복호 방법 및 음성 복호 프로그램 |
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MX351191B (es) | 2013-01-29 | 2017-10-04 | Fraunhofer Ges Forschung | Aparato y metodo para generar una señal de frecuencia reforzada mediante la configuracion de la señal de refuerzo. |
JP6179122B2 (ja) * | 2013-02-20 | 2017-08-16 | 富士通株式会社 | オーディオ符号化装置、オーディオ符号化方法、オーディオ符号化プログラム |
JP6146069B2 (ja) | 2013-03-18 | 2017-06-14 | 富士通株式会社 | データ埋め込み装置及び方法、データ抽出装置及び方法、並びにプログラム |
CN117253498A (zh) | 2013-04-05 | 2023-12-19 | 杜比国际公司 | 音频信号的解码方法和解码器、介质以及编码方法 |
KR20140123015A (ko) | 2013-04-10 | 2014-10-21 | 한국전자통신연구원 | 다채널 신호를 위한 인코더 및 인코딩 방법, 다채널 신호를 위한 디코더 및 디코딩 방법 |
US8804971B1 (en) * | 2013-04-30 | 2014-08-12 | Dolby International Ab | Hybrid encoding of higher frequency and downmixed low frequency content of multichannel audio |
EP2830045A1 (en) | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Concept for audio encoding and decoding for audio channels and audio objects |
RU2665917C2 (ru) * | 2013-07-22 | 2018-09-04 | Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. | Многоканальный аудиодекодер, многоканальный аудиокодер, способы, компьютерная программа и кодированное аудиопредставление с использованием декорреляции представленных посредством рендеринга аудиосигналов |
EP2830053A1 (en) | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Multi-channel audio decoder, multi-channel audio encoder, methods and computer program using a residual-signal-based adjustment of a contribution of a decorrelated signal |
EP2830050A1 (en) | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for enhanced spatial audio object coding |
EP2830047A1 (en) | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for low delay object metadata coding |
EP2830051A3 (en) | 2013-07-22 | 2015-03-04 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoder, audio decoder, methods and computer program using jointly encoded residual signals |
EP2830333A1 (en) | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Multi-channel decorrelator, multi-channel audio decoder, multi-channel audio encoder, methods and computer program using a premix of decorrelator input signals |
CN104376857A (zh) * | 2013-08-16 | 2015-02-25 | 联想(北京)有限公司 | 信息处理的方法及电子设备 |
ES2700246T3 (es) | 2013-08-28 | 2019-02-14 | Dolby Laboratories Licensing Corp | Mejora paramétrica de la voz |
JP6212645B2 (ja) * | 2013-09-12 | 2017-10-11 | ドルビー・インターナショナル・アーベー | オーディオ・デコード・システムおよびオーディオ・エンコード・システム |
TWI774136B (zh) | 2013-09-12 | 2022-08-11 | 瑞典商杜比國際公司 | 多聲道音訊系統中之解碼方法、解碼裝置、包含用於執行解碼方法的指令之非暫態電腦可讀取的媒體之電腦程式產品、包含解碼裝置的音訊系統 |
EP3061089B1 (en) * | 2013-10-21 | 2018-01-17 | Dolby International AB | Parametric reconstruction of audio signals |
KR101805327B1 (ko) | 2013-10-21 | 2017-12-05 | 돌비 인터네셔널 에이비 | 오디오 신호들의 파라메트릭 재구성을 위한 역상관기 구조 |
CN107452391B (zh) * | 2014-04-29 | 2020-08-25 | 华为技术有限公司 | 音频编码方法及相关装置 |
US9774974B2 (en) | 2014-09-24 | 2017-09-26 | Electronics And Telecommunications Research Institute | Audio metadata providing apparatus and method, and multichannel audio data playback apparatus and method to support dynamic format conversion |
WO2016050854A1 (en) * | 2014-10-02 | 2016-04-07 | Dolby International Ab | Decoding method and decoder for dialog enhancement |
EP3332557B1 (en) | 2015-08-07 | 2019-06-19 | Dolby Laboratories Licensing Corporation | Processing object-based audio signals |
JP6763194B2 (ja) * | 2016-05-10 | 2020-09-30 | 株式会社Jvcケンウッド | 符号化装置、復号装置、通信システム |
GB2554065B (en) * | 2016-09-08 | 2022-02-23 | V Nova Int Ltd | Data processing apparatuses, methods, computer programs and computer-readable media |
CN109859766B (zh) * | 2017-11-30 | 2021-08-20 | 华为技术有限公司 | 音频编解码方法和相关产品 |
DE102018127071B3 (de) | 2018-10-30 | 2020-01-09 | Harman Becker Automotive Systems Gmbh | Audiosignalverarbeitung mit akustischer Echounterdrückung |
TWI772930B (zh) * | 2020-10-21 | 2022-08-01 | 美商音美得股份有限公司 | 適合即時應用之分析濾波器組及其運算程序、基於分析濾波器組之信號處理系統及程序 |
US11837244B2 (en) | 2021-03-29 | 2023-12-05 | Invictumtech Inc. | Analysis filter bank and computing procedure thereof, analysis filter bank based signal processing system and procedure suitable for real-time applications |
CN113438595B (zh) * | 2021-06-24 | 2022-03-18 | 深圳市叡扬声学设计研发有限公司 | 音频处理系统 |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4744044A (en) * | 1986-06-20 | 1988-05-10 | Electronic Teacher's Aids, Inc. | Hand-held calculator for dimensional calculations |
ES2087522T3 (es) * | 1991-01-08 | 1996-07-16 | Dolby Lab Licensing Corp | Descodificacion/codificacion para campos sonoros multidimensionales. |
DE4236989C2 (de) * | 1992-11-02 | 1994-11-17 | Fraunhofer Ges Forschung | Verfahren zur Übertragung und/oder Speicherung digitaler Signale mehrerer Kanäle |
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 |
SE512719C2 (sv) * | 1997-06-10 | 2000-05-02 | Lars Gustaf Liljeryd | En metod och anordning för reduktion av dataflöde baserad på harmonisk bandbreddsexpansion |
US5890125A (en) * | 1997-07-16 | 1999-03-30 | Dolby Laboratories Licensing Corporation | Method and apparatus for encoding and decoding multiple audio channels at low bit rates using adaptive selection of encoding method |
US6590983B1 (en) | 1998-10-13 | 2003-07-08 | Srs Labs, Inc. | Apparatus and method for synthesizing pseudo-stereophonic outputs from a monophonic input |
JP2002175097A (ja) * | 2000-12-06 | 2002-06-21 | Yamaha Corp | 音声信号のエンコード/圧縮装置およびデコード/伸長装置 |
US7292901B2 (en) * | 2002-06-24 | 2007-11-06 | Agere Systems Inc. | Hybrid multi-channel/cue coding/decoding of audio signals |
JP4347698B2 (ja) * | 2002-02-18 | 2009-10-21 | アイピージー エレクトロニクス 503 リミテッド | パラメトリックオーディオ符号化 |
ES2351438T3 (es) | 2002-04-25 | 2011-02-04 | Powerwave Cognition, Inc. | Utilización dinámica de recursos inalámbricos. |
JP4296753B2 (ja) * | 2002-05-20 | 2009-07-15 | ソニー株式会社 | 音響信号符号化方法及び装置、音響信号復号方法及び装置、並びにプログラム及び記録媒体 |
US7039204B2 (en) * | 2002-06-24 | 2006-05-02 | Agere Systems Inc. | Equalization for audio mixing |
GB0228163D0 (en) * | 2002-12-03 | 2003-01-08 | Qinetiq Ltd | Decorrelation of signals |
US7447317B2 (en) * | 2003-10-02 | 2008-11-04 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V | Compatible multi-channel coding/decoding by weighting the downmix channel |
US7394903B2 (en) * | 2004-01-20 | 2008-07-01 | Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. | Apparatus and method for constructing a multi-channel output signal or for generating a downmix signal |
CA3026267C (en) * | 2004-03-01 | 2019-04-16 | Dolby Laboratories Licensing Corporation | Reconstructing audio signals with multiple decorrelation techniques and differentially coded parameters |
US7853022B2 (en) * | 2004-10-28 | 2010-12-14 | Thompson Jeffrey K | Audio spatial environment engine |
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