DE602005002833D1 - Kompensation von multikanal-audio energieverlusten - Google Patents

Kompensation von multikanal-audio energieverlusten

Info

Publication number
DE602005002833D1
DE602005002833D1 DE602005002833T DE602005002833T DE602005002833D1 DE 602005002833 D1 DE602005002833 D1 DE 602005002833D1 DE 602005002833 T DE602005002833 T DE 602005002833T DE 602005002833 T DE602005002833 T DE 602005002833T DE 602005002833 D1 DE602005002833 D1 DE 602005002833D1
Authority
DE
Germany
Prior art keywords
energy
upmix
energy losses
multicanal
compensation
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
Application number
DE602005002833T
Other languages
English (en)
Other versions
DE602005002833T2 (de
Inventor
Lars Villemoes
Kristofer Kjoerling
Heiko Purnhagen
Jonas Roeden
Jeroen Breebaart
Gerard Hotho
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koninklijke Philips NV
Coding Technologies Sweden AB
Original Assignee
Koninklijke Philips Electronics NV
Coding Technologies Sweden AB
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Koninklijke Philips Electronics NV, Coding Technologies Sweden AB filed Critical Koninklijke Philips Electronics NV
Publication of DE602005002833D1 publication Critical patent/DE602005002833D1/de
Application granted granted Critical
Publication of DE602005002833T2 publication Critical patent/DE602005002833T2/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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)
  • Fats And Perfumes (AREA)
  • Transmitters (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
  • Amplifiers (AREA)
  • Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Manufacturing Of Micro-Capsules (AREA)
  • Electroluminescent Light Sources (AREA)
DE602005002833T 2004-11-02 2005-10-28 Kompensation von multikanal-audio energieverlusten Active DE602005002833T2 (de)

Applications Claiming Priority (3)

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
SE0402652 2004-11-02
PCT/EP2005/011586 WO2006048203A1 (en) 2004-11-02 2005-10-28 Methods for improved performance of prediction based multi-channel reconstruction

Publications (2)

Publication Number Publication Date
DE602005002833D1 true DE602005002833D1 (de) 2007-11-22
DE602005002833T2 DE602005002833T2 (de) 2008-03-13

Family

ID=33488133

Family Applications (2)

Application Number Title Priority Date Filing Date
DE602005002833T Active DE602005002833T2 (de) 2004-11-02 2005-10-28 Kompensation von multikanal-audio energieverlusten
DE602005002256T Active DE602005002256T2 (de) 2004-11-02 2005-10-28 Auf mehrfachparametrisierung basierende mehrkanalrekonstruktion

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE602005002256T Active DE602005002256T2 (de) 2004-11-02 2005-10-28 Auf mehrfachparametrisierung basierende mehrkanalrekonstruktion

Country Status (14)

Country Link
US (2) US8515083B2 (de)
EP (2) EP1738353B1 (de)
JP (2) JP4527781B2 (de)
KR (2) KR100905067B1 (de)
CN (2) CN1969317B (de)
AT (2) ATE375590T1 (de)
DE (2) DE602005002833T2 (de)
ES (2) ES2292147T3 (de)
HK (2) HK1097336A1 (de)
PL (2) PL1738353T3 (de)
RU (2) RU2369918C2 (de)
SE (1) SE0402652D0 (de)
TW (2) TWI338281B (de)
WO (2) WO2006048204A1 (de)

Families Citing this family (113)

* Cited by examiner, † Cited by third party
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
EP1769491B1 (de) * 2004-07-14 2009-09-30 Koninklijke Philips Electronics N.V. Tonkanalkonvertierung
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
KR101283741B1 (ko) * 2004-10-28 2013-07-08 디티에스 워싱턴, 엘엘씨 N채널 오디오 시스템으로부터 m채널 오디오 시스템으로 변환하는 오디오 공간 환경 엔진 및 그 방법
US7853022B2 (en) 2004-10-28 2010-12-14 Thompson Jeffrey K Audio spatial environment engine
US20060106620A1 (en) * 2004-10-28 2006-05-18 Thompson Jeffrey K Audio spatial environment down-mixer
EP1691348A1 (de) * 2005-02-14 2006-08-16 Ecole Polytechnique Federale De Lausanne Parametrische kombinierte Kodierung von Audio-Quellen
MX2007011995A (es) * 2005-03-30 2007-12-07 Koninkl Philips Electronics Nv Codificacion y decodificacion de audio.
US8494667B2 (en) * 2005-06-30 2013-07-23 Lg Electronics Inc. Apparatus for encoding and decoding audio signal and method thereof
CA2613731C (en) * 2005-06-30 2012-09-18 Lg Electronics Inc. Apparatus for encoding and decoding audio signal and method thereof
US7630882B2 (en) * 2005-07-15 2009-12-08 Microsoft Corporation Frequency segmentation to obtain bands for efficient coding of digital media
US7562021B2 (en) * 2005-07-15 2009-07-14 Microsoft Corporation Modification of codewords in dictionary used for efficient coding of digital media spectral data
EP1921606B1 (de) * 2005-09-02 2011-10-19 Panasonic Corporation Vorrichtung und verfahren zur energieformung
EP1999997B1 (de) * 2006-03-28 2011-04-13 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verbessertes verfahren zur signalformung bei der mehrkanal-audiorekonstruktion
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
WO2008016097A1 (fr) * 2006-08-04 2008-02-07 Panasonic Corporation dispositif de codage audio stéréo, dispositif de décodage audio stéréo et procédé de ceux-ci
CN101518103B (zh) * 2006-09-14 2016-03-23 皇家飞利浦电子股份有限公司 多通道信号的甜点操纵
CN101617360B (zh) * 2006-09-29 2012-08-22 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
WO2008039043A1 (en) 2006-09-29 2008-04-03 Lg Electronics Inc. Methods and apparatuses for encoding and decoding object-based audio signals
SG175632A1 (en) * 2006-10-16 2011-11-28 Dolby Sweden Ab Enhanced coding and parameter representation of multichannel downmixed object coding
JP5337941B2 (ja) 2006-10-16 2013-11-06 フラウンホッファー−ゲゼルシャフト ツァ フェルダールング デァ アンゲヴァンテン フォアシュンク エー．ファオ マルチチャネル・パラメータ変換のための装置および方法
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
JP5394931B2 (ja) 2006-11-24 2014-01-22 エルジー エレクトロニクス インコーポレイティド オブジェクトベースオーディオ信号の復号化方法及びその装置
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
KR101111520B1 (ko) * 2006-12-07 2012-05-24 엘지전자 주식회사 오디오 처리 방법 및 장치
EP2097895A4 (de) 2006-12-27 2013-11-13 Korea Electronics Telecomm Vorrichtung und verfahren zum codieren und decodieren eines mehrobjekt-audiosignals mit unterschiedlicher kanaleinschlussinformations-bitstromumsetzung
JP5254983B2 (ja) 2007-02-14 2013-08-07 エルジー エレクトロニクス インコーポレイティド オブジェクトベースオーディオ信号の符号化及び復号化方法並びにその装置
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
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
JP5133401B2 (ja) * 2007-04-26 2013-01-30 ドルビー・インターナショナル・アクチボラゲット 出力信号の合成装置及び合成方法
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
WO2009049895A1 (en) * 2007-10-17 2009-04-23 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio coding using downmix
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
EP2209114B1 (de) * 2007-10-31 2014-05-14 Panasonic Corporation Vorrichtung/Verfahren zur Sprachkodierung/Sprachdekodierung
WO2009066959A1 (en) 2007-11-21 2009-05-28 Lg Electronics Inc. A method and an apparatus for processing a signal
AU2008344084A1 (en) 2008-01-01 2009-07-09 Lg Electronics Inc. A method and an apparatus for processing a signal
KR101147780B1 (ko) * 2008-01-01 2012-06-01 엘지전자 주식회사 오디오 신호 처리 방법 및 장치
CN101911182A (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
KR101253278B1 (ko) * 2008-03-04 2013-04-11 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 복수의 입력 데이터 스트림을 믹싱하는 장치 및 방법
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
KR101335975B1 (ko) * 2008-08-14 2013-12-04 돌비 레버러토리즈 라이쎈싱 코오포레이션 복수의 오디오 입력 신호를 리포맷팅하는 방법
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
WO2010042024A1 (en) * 2008-10-10 2010-04-15 Telefonaktiebolaget Lm 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 (de) * 2009-01-28 2010-08-04 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Aufwärtsmischer, Verfahren und Computerprogramm zur Aufwärtsmischung eines Downmix-Tonsignals
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
WO2011073201A2 (en) * 2009-12-16 2011-06-23 Dolby International Ab Sbr bitstream parameter downmix
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
ES2802297T3 (es) * 2010-01-13 2021-01-18 Tianma Micro Electronics Co Ltd Transmisor con equilibrio de polarización
EP2360681A1 (de) * 2010-01-15 2011-08-24 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zum Extrahieren eines direkten bzw. Umgebungssignals aus einem Downmix-Signal und raumparametrische 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
MX2012011532A (es) * 2010-04-09 2012-11-16 Dolby Int Ab Codificacion a estereo para prediccion de complejos basados en mdct.
JP5753899B2 (ja) * 2010-07-20 2015-07-22 ファーウェイ テクノロジーズ カンパニー リミテッド オーディオ信号合成器
KR101678610B1 (ko) * 2010-07-27 2016-11-23 삼성전자주식회사 롱텀 채널 정보를 기반으로 다중 노드 간 서브밴드 별 협력 통신을 수행하는 방법 및 장치
BR112013016350A2 (pt) * 2011-02-09 2018-06-19 Ericsson Telefon Ab L M codificação/decodificação eficaz de sinais de áudio
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
EP2560161A1 (de) 2011-08-17 2013-02-20 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Optimale Mischmatrizen und Verwendung von Dekorrelatoren in räumlicher Audioverarbeitung
RU2618383C2 (ru) * 2011-11-01 2017-05-03 Конинклейке Филипс Н.В. Кодирование и декодирование аудиообъектов
JP6106983B2 (ja) 2011-11-30 2017-04-05 株式会社リコー 画像表示装置、画像表示システム、方法及びプログラム
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
EP2704142B1 (de) * 2012-08-27 2015-09-02 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zur Wiedergabe eines Audiosignals, Vorrichtung und Verfahren zur Erzeugung eines codierten Audiosignals, Computerprogramm und codiertes Audiosignal
MX2018016263A (es) * 2012-11-15 2021-12-16 Ntt Docomo Inc Dispositivo codificador de audio, metodo de codificacion de audio, programa de codificacion de audio, dispositivo decodificador de audio, metodo de decodificacion de audio, y programa de decodificacion de audio.
RU2625945C2 (ru) 2013-01-29 2017-07-19 Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. Устройство и способ для генерирования сигнала с улучшенным спектром, используя операцию ограничения энергии
RU2676242C1 (ru) * 2013-01-29 2018-12-26 Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. Декодер для формирования аудиосигнала с улучшенной частотной характеристикой, способ декодирования, кодер для формирования кодированного сигнала и способ кодирования с использованием компактной дополнительной информации для выбора
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
US9679571B2 (en) * 2013-04-10 2017-06-13 Electronics And Telecommunications Research Institute Encoder and encoding method for multi-channel signal, and decoder and decoding method for multi-channel signal
US8804971B1 (en) * 2013-04-30 2014-08-12 Dolby International Ab Hybrid encoding of higher frequency and downmixed low frequency content of multichannel audio
EP2830051A3 (de) 2013-07-22 2015-03-04 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audiocodierer, Audiodecodierer, Verfahren und Computerprogramm mit gemeinsamen codierten Restsignalen
ES2653975T3 (es) 2013-07-22 2018-02-09 Fraunhofer Gesellschaft zur Förderung der angewandten Forschung e.V. Decodificador de audio multicanal, codificador de audio multicanal, procedimientos, programa informático y representación de audio codificada mediante el uso de una decorrelación de señales de audio renderizadas
EP2830053A1 (de) 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Mehrkanaliger Audiodecodierer, mehrkanaliger Audiocodierer, Verfahren und Computerprogramm mit restsignalbasierter Anpassung einer Beteiligung eines dekorrelierten Signals
EP2830334A1 (de) 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Mehrkanaliger Audiodecodierer, mehrkanaliger Audiocodierer, Verfahren, Computerprogramm und codierte Audiodarstellung unter Verwendung einer Dekorrelation gerenderter Audiosignale
EP2830048A1 (de) 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zur Realisierung eines SAOC-Downmix von 3D-Audioinhalt
EP2830045A1 (de) 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Konzept zur Audiocodierung und Audiodecodierung für Audiokanäle und Audioobjekte
EP2830049A1 (de) 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zur effizienten Codierung von Objektmetadaten
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
EP3503095A1 (de) 2013-08-28 2019-06-26 Dolby Laboratories Licensing Corp. Hybride wellenformcodierte und parametercodierte spracherweiterung
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
TWI634547B (zh) 2013-09-12 2018-09-01 瑞典商杜比國際公司 在包含至少四音訊聲道的多聲道音訊系統中之解碼方法、解碼裝置、編碼方法以及編碼裝置以及包含電腦可讀取的媒體之電腦程式產品
KR102244379B1 (ko) 2013-10-21 2021-04-26 돌비 인터네셔널 에이비 오디오 신호들의 파라메트릭 재구성
CN105637581B (zh) 2013-10-21 2019-09-20 杜比国际公司 用于音频信号的参数重建的去相关器结构
CN107452390B (zh) * 2014-04-29 2021-10-26 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
AU2015326856B2 (en) * 2014-10-02 2021-04-08 Dolby International Ab Decoding method and decoder for dialog enhancement
EP3332557B1 (de) 2015-08-07 2019-06-19 Dolby Laboratories Licensing Corporation Verarbeiten objektbasierter audiosignale
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
EP3719799A1 (de) * 2019-04-04 2020-10-07 FRAUNHOFER-GESELLSCHAFT zur Förderung der angewandten Forschung e.V. Mehrkanaliger audiocodierer, decodierer, verfahren und computerprogramm zum umschalten zwischen einem parametrischen mehrkanalbetrieb und einem einzelkanalbetrieb
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)

* Cited by examiner, † Cited by third party
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
WO1992012607A1 (en) 1991-01-08 1992-07-23 Dolby Laboratories Licensing Corporation Encoder/decoder for multidimensional sound fields
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
ES2255678T3 (es) 2002-02-18 2006-07-01 Koninklijke Philips Electronics N.V. Codificacion de audio parametrica.
TWI242992B (en) 2002-04-25 2005-11-01 Raytheon Co Dynamic wireless resource utilization
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
CA2992097C (en) * 2004-03-01 2018-09-11 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

Also Published As

Publication number Publication date
WO2006048204A1 (en) 2006-05-11
DE602005002833T2 (de) 2008-03-13
HK1097336A1 (en) 2007-07-27
EP1730726B1 (de) 2007-10-10
US7668722B2 (en) 2010-02-23
EP1738353A1 (de) 2007-01-03
CN1969317A (zh) 2007-05-23
HK1097082A1 (en) 2007-06-15
ES2292147T3 (es) 2008-03-01
JP4527781B2 (ja) 2010-08-18
PL1738353T3 (pl) 2008-01-31
RU2369918C2 (ru) 2009-10-10
TW200627380A (en) 2006-08-01
EP1738353B1 (de) 2007-08-29
KR100905067B1 (ko) 2009-06-30
KR100885192B1 (ko) 2009-02-24
US8515083B2 (en) 2013-08-20
DE602005002256D1 (de) 2007-10-11
CN1998046A (zh) 2007-07-11
RU2006146947A (ru) 2008-07-10
PL1730726T3 (pl) 2008-03-31
WO2006048203A1 (en) 2006-05-11
KR20070049627A (ko) 2007-05-11
JP4527782B2 (ja) 2010-08-18
CN1969317B (zh) 2010-12-29
ATE375590T1 (de) 2007-10-15
KR20070038043A (ko) 2007-04-09
JP2008517338A (ja) 2008-05-22
DE602005002256T2 (de) 2008-05-29
RU2006146948A (ru) 2008-07-10
US20060165237A1 (en) 2006-07-27
RU2369917C2 (ru) 2009-10-10
SE0402652D0 (sv) 2004-11-02
ATE371925T1 (de) 2007-09-15
TWI328405B (en) 2010-08-01
JP2008517337A (ja) 2008-05-22
TWI338281B (en) 2011-03-01
US20060140412A1 (en) 2006-06-29
ES2294738T3 (es) 2008-04-01
TW200629961A (en) 2006-08-16
CN1998046B (zh) 2012-01-18
EP1730726A1 (de) 2006-12-13

Similar Documents

Publication Publication Date Title
ATE375590T1 (de) Kompensation von multikanal-audio energieverlusten
TWI566234B (zh) 使用殘餘訊號式調整去相關訊號之貢獻的多聲道音頻解碼器、多聲道音頻編碼器、方法及電腦程式
US7542896B2 (en) Audio coding/decoding with spatial parameters and non-uniform segmentation for transients
KR101613975B1 (ko) 멀티 채널 오디오 신호의 부호화 방법 및 장치, 그 복호화 방법 및 장치
RU2015116645A (ru) Кодер, декодер и способы для зависимого от сигнала преобразования масштаба при пространственном кодировании аудиообъектов
RU2560790C2 (ru) Параметрическое кодирование и декодирование
US8959026B2 (en) Apparatus and method for encoding/decoding multichannel signal
US20070127729A1 (en) Audio coding
RU2014112936A (ru) Усовершенствованное стереофоническое кодирование на основе комбинации адаптивно выбираемого левого/правого или среднего/побочного стереофонического кодирования и параметрического стереофонического кодирования
MX364618B (es) Codificador de audio para la codificación de una señal de múltiples canales y un decodificador de audio para la decodificación de una señal de audio codificada.
RU2009104047A (ru) Концепция для объединения множества параметрически кодированных аудиоисточников
RU2014122111A (ru) Кодирование и декодирование аудиообъектов
MX2011011399A (es) Aparato para suministrar uno o más parámetros ajustados para un suministro de una representación de señal de mezcla ascendente sobre la base de una representación de señal de mezcla descendete, decodificador de señal de audio, transcodificador de señal de audio, codificador de señal de audio, flujo de bits de audio, método y programa de computación que utiliza información paramétrica relacionada con el objeto.
CN102844808B (zh) 用于编码多通道音频信号的参数编码器
TW200631449A (en) Compact side information for parametric coding of spatialaudio
TW200630959A (en) Audio coding using de-correlated signals
KR20070091587A (ko) 스테레오 신호 생성 방법 및 장치
US9685168B2 (en) Apparatus for encoding/decoding multichannel signal and method thereof
RU2010111795A (ru) Устройство кодирования звука, устройство декодирования звука, устройство кодирования и декодирования звука и система проведения телеконференций
EP4365894A3 (de) Mehrkanalsignalcodierungsverfahren, mehrkanalsignaldecodierungsverfahren, codierer und decodierer
ATE557386T1 (de) Raumsynthese mehrkanaliger tonsignale
WO2010036062A3 (en) A method and an apparatus for processing a signal
RU2009122690A (ru) Устройство объединения потоков, модуль и способ декодирования
Capobianco et al. Dynamic strategy for window splitting, parameters estimation and interpolation in spatial parametric audio coders
WO2010036060A3 (en) A method and an apparatus for processing a signal

Legal Events

Date Code Title Description
8364 No opposition during term of opposition