ATE538604T1 - Verfahren und anordnung für einen decoder für mehrkanal-surroundton - Google Patents
Verfahren und anordnung für einen decoder für mehrkanal-surroundtonInfo
- Publication number
- ATE538604T1 ATE538604T1 AT07716149T AT07716149T ATE538604T1 AT E538604 T1 ATE538604 T1 AT E538604T1 AT 07716149 T AT07716149 T AT 07716149T AT 07716149 T AT07716149 T AT 07716149T AT E538604 T1 ATE538604 T1 AT E538604T1
- Authority
- AT
- Austria
- Prior art keywords
- decoder
- arrangement
- surround sound
- channel surround
- covariance matrix
- Prior art date
Links
- 239000011159 matrix material Substances 0.000 abstract 2
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S3/00—Systems employing more than two channels, e.g. quadraphonic
- H04S3/02—Systems employing more than two channels, e.g. quadraphonic of the matrix type, i.e. in which input signals are combined algebraically, e.g. after having been phase shifted with respect to each other
-
- 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)
- Mathematical Physics (AREA)
- Signal Processing (AREA)
- Acoustics & Sound (AREA)
- Theoretical Computer Science (AREA)
- Mathematical Optimization (AREA)
- Pure & Applied Mathematics (AREA)
- Mathematical Analysis (AREA)
- General Physics & Mathematics (AREA)
- Algebra (AREA)
- Computational Linguistics (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Multimedia (AREA)
- Stereophonic System (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US74387106P | 2006-03-28 | 2006-03-28 | |
PCT/SE2007/050194 WO2007111568A2 (en) | 2006-03-28 | 2007-03-28 | Method and arrangement for a decoder for multi-channel surround sound |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE538604T1 true ATE538604T1 (de) | 2012-01-15 |
Family
ID=38541553
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT07716149T ATE538604T1 (de) | 2006-03-28 | 2007-03-28 | Verfahren und anordnung für einen decoder für mehrkanal-surroundton |
Country Status (6)
Country | Link |
---|---|
US (1) | US8126152B2 (de) |
EP (1) | EP2000001B1 (de) |
JP (1) | JP4875142B2 (de) |
CN (1) | CN101411214B (de) |
AT (1) | ATE538604T1 (de) |
WO (1) | WO2007111568A2 (de) |
Families Citing this family (44)
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WO2006126843A2 (en) * | 2005-05-26 | 2006-11-30 | Lg Electronics Inc. | Method and apparatus for decoding audio signal |
JP4988717B2 (ja) | 2005-05-26 | 2012-08-01 | エルジー エレクトロニクス インコーポレイティド | オーディオ信号のデコーディング方法及び装置 |
KR100857106B1 (ko) * | 2005-09-14 | 2008-09-08 | 엘지전자 주식회사 | 오디오 신호의 디코딩 방법 및 장치 |
TWI469133B (zh) * | 2006-01-19 | 2015-01-11 | Lg Electronics Inc | 媒體訊號處理方法及裝置 |
KR20080110920A (ko) * | 2006-02-07 | 2008-12-19 | 엘지전자 주식회사 | 부호화/복호화 장치 및 방법 |
AU2007312597B2 (en) * | 2006-10-16 | 2011-04-14 | Dolby International Ab | Apparatus and method for multi -channel parameter transformation |
UA94117C2 (ru) * | 2006-10-16 | 2011-04-11 | Долби Свиден Ав | Усовершенстованное кодирование и отображение параметров многоканального кодирования микшированных объектов |
KR101061129B1 (ko) * | 2008-04-24 | 2011-08-31 | 엘지전자 주식회사 | 오디오 신호의 처리 방법 및 이의 장치 |
EP2144230A1 (de) * | 2008-07-11 | 2010-01-13 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audiokodierungs-/Audiodekodierungsschema geringer Bitrate mit kaskadierten Schaltvorrichtungen |
US8705749B2 (en) | 2008-08-14 | 2014-04-22 | Dolby Laboratories Licensing Corporation | Audio signal transformatting |
CN101673545B (zh) * | 2008-09-12 | 2011-11-16 | 华为技术有限公司 | 一种编解码方法及装置 |
TWI478149B (zh) * | 2009-10-16 | 2015-03-21 | Fraunhofer Ges Forschung | 用以利用平均值而基於下混信號表示型態和與下混信號表示型態相關聯之參數側邊資訊來提供用於提供上混信號表示型態之一或多個經調整參數的裝置、方法與電腦程式 |
EP2323130A1 (de) | 2009-11-12 | 2011-05-18 | Koninklijke Philips Electronics N.V. | Parametrische Kodierung- und Dekodierung |
MX2012005781A (es) * | 2009-11-20 | 2012-11-06 | Fraunhofer Ges Forschung | Aparato para proporcionar una representacion de señal de mezcla ascendente con base en la representacion de señal de mezcla descendente, aparato para proporcionar un flujo de bits que representa una señal de audio multicanal, metodos, programas informaticos y flujo de bits que representan una señal de audio multicanal usando un parametro de combinacion lineal. |
CN102859590B (zh) * | 2010-02-24 | 2015-08-19 | 弗劳恩霍夫应用研究促进协会 | 产生增强下混频信号的装置、产生增强下混频信号的方法以及计算机程序 |
EP2543199B1 (de) * | 2010-03-02 | 2015-09-09 | Nokia Technologies Oy | Verfahren und vorrichtung zum aufwärtsmischen eines zweikanal-audiosignals |
KR101666465B1 (ko) * | 2010-07-22 | 2016-10-17 | 삼성전자주식회사 | 다채널 오디오 신호 부호화/복호화 장치 및 방법 |
US8908874B2 (en) | 2010-09-08 | 2014-12-09 | Dts, Inc. | Spatial audio encoding and reproduction |
KR101697550B1 (ko) * | 2010-09-16 | 2017-02-02 | 삼성전자주식회사 | 멀티채널 오디오 대역폭 확장 장치 및 방법 |
KR20120038311A (ko) * | 2010-10-13 | 2012-04-23 | 삼성전자주식회사 | 공간 파라미터 부호화 장치 및 방법,그리고 공간 파라미터 복호화 장치 및 방법 |
US8675881B2 (en) * | 2010-10-21 | 2014-03-18 | Bose Corporation | Estimation of synthetic audio prototypes |
US9078077B2 (en) | 2010-10-21 | 2015-07-07 | Bose Corporation | Estimation of synthetic audio prototypes with frequency-based input signal decomposition |
TWI573131B (zh) * | 2011-03-16 | 2017-03-01 | Dts股份有限公司 | 用以編碼或解碼音訊聲軌之方法、音訊編碼處理器及音訊解碼處理器 |
KR20120128542A (ko) * | 2011-05-11 | 2012-11-27 | 삼성전자주식회사 | 멀티 채널 에코 제거를 위한 멀티 채널 비-상관 처리 방법 및 장치 |
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 |
EP2856776B1 (de) * | 2012-05-29 | 2019-03-27 | Nokia Technologies Oy | Stereotonsignalcodierer |
US10582330B2 (en) | 2013-05-16 | 2020-03-03 | Koninklijke Philips N.V. | Audio processing apparatus and method therefor |
EP2830336A3 (de) | 2013-07-22 | 2015-03-04 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Durch Renderer gesteuerter, räumlicher Upmix |
KR101829822B1 (ko) * | 2013-07-22 | 2018-03-29 | 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. | 다채널 오디오 디코더, 다채널 오디오 인코더, 방법, 컴퓨터 프로그램 및 렌더링된 오디오 신호들의 역상관을 사용하는 인코딩된 오디오 표현 |
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 |
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 |
TWI713018B (zh) * | 2013-09-12 | 2020-12-11 | 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 |
US9779739B2 (en) | 2014-03-20 | 2017-10-03 | Dts, Inc. | Residual encoding in an object-based audio system |
CN110992964B (zh) | 2014-07-01 | 2023-10-13 | 韩国电子通信研究院 | 处理多信道音频信号的方法和装置 |
WO2016003206A1 (ko) * | 2014-07-01 | 2016-01-07 | 한국전자통신연구원 | 다채널 오디오 신호 처리 방법 및 장치 |
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 |
EP3007167A1 (de) * | 2014-10-10 | 2016-04-13 | Thomson Licensing | Verfahren und Vorrichtung zur Komprimierung mit niedrigen Kompressions-Datenraten einer übergeordneten Ambisonics-Signalrepräsentation eines Schallfelds |
WO2017049397A1 (en) | 2015-09-25 | 2017-03-30 | Voiceage Corporation | Method and system using a long-term correlation difference between left and right channels for time domain down mixing a stereo sound signal into primary and secondary channels |
GB201718341D0 (en) | 2017-11-06 | 2017-12-20 | Nokia Technologies Oy | Determination of targeted spatial audio parameters and associated spatial audio playback |
GB2572650A (en) | 2018-04-06 | 2019-10-09 | Nokia Technologies Oy | Spatial audio parameters and associated spatial audio playback |
GB2574239A (en) | 2018-05-31 | 2019-12-04 | Nokia Technologies Oy | Signalling of spatial audio parameters |
BR112021025265A2 (pt) * | 2019-06-14 | 2022-03-15 | Fraunhofer Ges Forschung | Sintetizador de áudio, codificador de áudio, sistema, método e unidade de armazenamento não transitória |
EP4229630A1 (de) * | 2020-10-13 | 2023-08-23 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Vorrichtung und verfahren zur codierung mehrerer audioobjekte unter verwendung von richtungsinformationen während eines downmixings oder vorrichtung und verfahren zur decodierung mit optimierter kovarianzsynthese |
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CN1139300C (zh) * | 1997-05-20 | 2004-02-18 | 日本胜利株式会社 | 处理音频环绕信号的方法和*** |
EP1054575A3 (de) * | 1999-05-17 | 2002-09-18 | Bose Corporation | Richtdekodierer |
WO2004019656A2 (en) * | 2001-02-07 | 2004-03-04 | Dolby Laboratories Licensing Corporation | Audio channel spatial translation |
US7254239B2 (en) * | 2001-02-09 | 2007-08-07 | Thx Ltd. | Sound system and method of sound reproduction |
KR100522593B1 (ko) * | 2002-07-08 | 2005-10-19 | 삼성전자주식회사 | 다채널 입체음향 사운드 생성방법 및 장치 |
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 |
DE102004042819A1 (de) * | 2004-09-03 | 2006-03-23 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Vorrichtung und Verfahren zum Erzeugen eines codierten Multikanalsignals und Vorrichtung und Verfahren zum Decodieren eines codierten Multikanalsignals |
EP1637355B1 (de) * | 2004-09-17 | 2007-05-30 | Bridgestone Corporation | Luftreifen |
US8204261B2 (en) * | 2004-10-20 | 2012-06-19 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Diffuse sound shaping for BCC schemes and the like |
JP5017121B2 (ja) * | 2004-11-30 | 2012-09-05 | アギア システムズ インコーポレーテッド | 外部的に供給されるダウンミックスとの空間オーディオのパラメトリック・コーディングの同期化 |
KR101251426B1 (ko) * | 2005-06-03 | 2013-04-05 | 돌비 레버러토리즈 라이쎈싱 코오포레이션 | 디코딩 명령으로 오디오 신호를 인코딩하기 위한 장치 및방법 |
TWI396188B (zh) * | 2005-08-02 | 2013-05-11 | Dolby Lab Licensing Corp | 依聆聽事件之函數控制空間音訊編碼參數的技術 |
EP1761110A1 (de) * | 2005-09-02 | 2007-03-07 | Ecole Polytechnique Fédérale de Lausanne | Methode zur Generation eines Multikanalaudiosignals aus Stereosignalen |
TWI462086B (zh) * | 2005-09-14 | 2014-11-21 | Lg Electronics Inc | 音頻訊號之解碼方法及其裝置 |
WO2007089129A1 (en) * | 2006-02-03 | 2007-08-09 | Electronics And Telecommunications Research Institute | Apparatus and method for visualization of multichannel audio signals |
WO2008006108A2 (en) * | 2006-07-07 | 2008-01-10 | Srs Labs, Inc. | Systems and methods for multi-dialog surround audio |
-
2007
- 2007-03-28 JP JP2009502725A patent/JP4875142B2/ja not_active Expired - Fee Related
- 2007-03-28 AT AT07716149T patent/ATE538604T1/de active
- 2007-03-28 CN CN200780011012.2A patent/CN101411214B/zh active Active
- 2007-03-28 EP EP07716149A patent/EP2000001B1/de active Active
- 2007-03-28 US US12/295,172 patent/US8126152B2/en not_active Expired - Fee Related
- 2007-03-28 WO PCT/SE2007/050194 patent/WO2007111568A2/en active Application Filing
Also Published As
Publication number | Publication date |
---|---|
JP4875142B2 (ja) | 2012-02-15 |
WO2007111568A2 (en) | 2007-10-04 |
US8126152B2 (en) | 2012-02-28 |
WO2007111568A3 (en) | 2007-12-13 |
CN101411214B (zh) | 2011-08-10 |
US20090110203A1 (en) | 2009-04-30 |
CN101411214A (zh) | 2009-04-15 |
EP2000001A2 (de) | 2008-12-10 |
JP2009531735A (ja) | 2009-09-03 |
EP2000001B1 (de) | 2011-12-21 |
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