ATE473502T1 - Mehrkanal-audiocodierung - Google Patents
Mehrkanal-audiocodierungInfo
- Publication number
- ATE473502T1 ATE473502T1 AT06711112T AT06711112T ATE473502T1 AT E473502 T1 ATE473502 T1 AT E473502T1 AT 06711112 T AT06711112 T AT 06711112T AT 06711112 T AT06711112 T AT 06711112T AT E473502 T1 ATE473502 T1 AT E473502T1
- Authority
- AT
- Austria
- Prior art keywords
- mix
- channel audio
- spatial
- parameters
- audio signal
- Prior art date
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
- G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
- H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S3/00—Systems employing more than two channels, e.g. quadraphonic
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
- H04R2420/00—Details of connection covered by H04R, not provided for in its groups
- H04R2420/07—Applications of wireless loudspeakers or wireless microphones
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Acoustics & Sound (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Health & Medical Sciences (AREA)
- Computational Linguistics (AREA)
- Human Computer Interaction (AREA)
- Multimedia (AREA)
- Mathematical Physics (AREA)
- Theoretical Computer Science (AREA)
- Stereophonic System (AREA)
- Stereo-Broadcasting Methods (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Circuit For Audible Band Transducer (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP05102515 | 2005-03-30 | ||
| EP05103085 | 2005-04-18 | ||
| PCT/IB2006/050822 WO2006103584A1 (en) | 2005-03-30 | 2006-03-16 | Multi-channel audio coding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE473502T1 true ATE473502T1 (de) | 2010-07-15 |
Family
ID=36579565
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT06711112T ATE473502T1 (de) | 2005-03-30 | 2006-03-16 | Mehrkanal-audiocodierung |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US8346564B2 (de) |
| EP (1) | EP1866912B1 (de) |
| JP (1) | JP4610650B2 (de) |
| KR (1) | KR101271069B1 (de) |
| AT (1) | ATE473502T1 (de) |
| BR (1) | BRPI0608945C8 (de) |
| DE (1) | DE602006015294D1 (de) |
| MX (1) | MX2007011915A (de) |
| PL (1) | PL1866912T3 (de) |
| RU (2) | RU2407073C2 (de) |
| WO (1) | WO2006103584A1 (de) |
Families Citing this family (51)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BRPI0513255B1 (pt) * | 2004-07-14 | 2019-06-25 | Koninklijke Philips Electronics N.V. | Dispositivo e método para converter um primeiro número de canais de áudio de entrada em um segundo número de canais de áudio de saída, sistema de áudio, e, meio de armazenamento legível por computador |
| CN103366747B (zh) * | 2006-02-03 | 2017-05-17 | 韩国电子通信研究院 | 用于控制音频信号的渲染的设备和方法 |
| US8788080B1 (en) | 2006-09-12 | 2014-07-22 | Sonos, Inc. | Multi-channel pairing in a media system |
| US8483853B1 (en) | 2006-09-12 | 2013-07-09 | Sonos, Inc. | Controlling and manipulating groupings in a multi-zone media system |
| US12167216B2 (en) | 2006-09-12 | 2024-12-10 | Sonos, Inc. | Playback device pairing |
| US9202509B2 (en) | 2006-09-12 | 2015-12-01 | Sonos, Inc. | Controlling and grouping in a multi-zone media system |
| AU2007312597B2 (en) * | 2006-10-16 | 2011-04-14 | Dolby International Ab | Apparatus and method for multi -channel parameter transformation |
| ES2378734T3 (es) * | 2006-10-16 | 2012-04-17 | Dolby International Ab | Codificación mejorada y representación de parámetros de codificación de objetos de mezcla descendente multicanal |
| CN101553867B (zh) * | 2006-12-07 | 2013-04-17 | Lg电子株式会社 | 用于处理音频信号的方法和装置 |
| EP3712888B1 (de) * | 2007-03-30 | 2024-05-08 | Electronics and Telecommunications Research Institute | Verfahren und vorrichtungen zur codierung und decodierung von multiobjektaudiosignal mit multikanal |
| KR101505831B1 (ko) * | 2007-10-30 | 2015-03-26 | 삼성전자주식회사 | 멀티 채널 신호의 부호화/복호화 방법 및 장치 |
| KR101449434B1 (ko) * | 2008-03-04 | 2014-10-13 | 삼성전자주식회사 | 복수의 가변장 부호 테이블을 이용한 멀티 채널 오디오를부호화/복호화하는 방법 및 장치 |
| EP2111062B1 (de) | 2008-04-16 | 2014-11-12 | LG Electronics Inc. | Verfahren und Vorrichtung zur Verarbeitung eines Audiosignals |
| KR101061128B1 (ko) | 2008-04-16 | 2011-08-31 | 엘지전자 주식회사 | 오디오 신호 처리 방법 및 이의 장치 |
| CN102007532B (zh) | 2008-04-16 | 2013-06-19 | Lg电子株式会社 | 用于处理音频信号的方法和装置 |
| CN102065265B (zh) * | 2009-11-13 | 2012-10-17 | 华为终端有限公司 | 实现混音的方法、装置和系统 |
| US11265652B2 (en) | 2011-01-25 | 2022-03-01 | Sonos, Inc. | Playback device pairing |
| US11429343B2 (en) | 2011-01-25 | 2022-08-30 | Sonos, Inc. | Stereo playback configuration and control |
| KR101748756B1 (ko) | 2011-03-18 | 2017-06-19 | 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에.베. | 오디오 콘텐츠를 표현하는 비트스트림의 프레임들 내의 프레임 요소 배치 |
| EP2691951B1 (de) | 2011-03-28 | 2016-08-24 | Dolby Laboratories Licensing Corporation | Transformation mit reduzierter komplexität für einen niederfrequenzeffektkanal |
| 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 |
| EP2815399B1 (de) * | 2012-02-14 | 2016-02-10 | Huawei Technologies Co., Ltd. | Verfahren und vorrichtung zur durchführung einer adaptiven abwärts- und aufwärtsmischung eines mehrkanal-audiosignals |
| CN106409299B (zh) | 2012-03-29 | 2019-11-05 | 华为技术有限公司 | 信号编码和解码的方法和设备 |
| US9729115B2 (en) | 2012-04-27 | 2017-08-08 | Sonos, Inc. | Intelligently increasing the sound level of player |
| US9008330B2 (en) | 2012-09-28 | 2015-04-14 | Sonos, Inc. | Crossover frequency adjustments for audio speakers |
| PT3067890T (pt) | 2013-01-29 | 2018-03-08 | Fraunhofer Ges Forschung | Codificador de áudio, descodificador de áudio, método para fornecer uma informação de áudio codificada, método para fornecer uma informação de áudio descodificado, programa de computador e representação codificada utilizando uma extensão da largura de banda adaptável ao sinal |
| EP2981956B1 (de) * | 2013-04-05 | 2022-11-30 | Dolby International AB | Audioverarbeitungssystem |
| BR112015029129B1 (pt) | 2013-05-24 | 2022-05-31 | Dolby International Ab | Método para codificar objetos de áudio em um fluxo de dados, meio legível por computador, método em um decodificador para decodificar um fluxo de dados e decodificador para decodificar um fluxo de dados incluindo objetos de áudio codificados |
| RU2745832C2 (ru) | 2013-05-24 | 2021-04-01 | Долби Интернешнл Аб | Эффективное кодирование звуковых сцен, содержащих звуковые объекты |
| EP3023984A4 (de) * | 2013-07-15 | 2017-03-08 | Electronics and Telecommunications Research Institute | Codierer und codierungsverfahren für mehrkanalsignal sowie decoder und decodierungsverfahren für mehrkanalsignal |
| EP2840811A1 (de) | 2013-07-22 | 2015-02-25 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Verfahren zur Verarbeitung eines Audiosignals, Signalverarbeitungseinheit, binauraler Renderer, Audiocodierer und Audiodecodierer |
| EP2830047A1 (de) | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Vorrichtung und Verfahren zur verzögerungsarmen Codierung von Objektmetadaten |
| 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 |
| 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 |
| 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 |
| WO2015017235A1 (en) | 2013-07-31 | 2015-02-05 | Dolby Laboratories Licensing Corporation | Processing spatially diffuse or large audio objects |
| KR102244379B1 (ko) * | 2013-10-21 | 2021-04-26 | 돌비 인터네셔널 에이비 | 오디오 신호들의 파라메트릭 재구성 |
| EP2866227A1 (de) * | 2013-10-22 | 2015-04-29 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Verfahren zur Dekodierung und Kodierung einer Downmix-Matrix, Verfahren zur Darstellung von Audioinhalt, Kodierer und Dekodierer für eine Downmix-Matrix, Audiokodierer und Audiodekodierer |
| KR102294767B1 (ko) * | 2013-11-27 | 2021-08-27 | 디티에스, 인코포레이티드 | 고채널 카운트 멀티채널 오디오에 대한 멀티플렛 기반 매트릭스 믹싱 |
| US9226073B2 (en) | 2014-02-06 | 2015-12-29 | Sonos, Inc. | Audio output balancing during synchronized playback |
| US9226087B2 (en) | 2014-02-06 | 2015-12-29 | Sonos, Inc. | Audio output balancing during synchronized playback |
| WO2015150384A1 (en) | 2014-04-01 | 2015-10-08 | Dolby International Ab | Efficient coding of audio scenes comprising audio objects |
| US9948994B2 (en) | 2014-07-16 | 2018-04-17 | Crestron Electronics, Inc. | Transmission of digital audio signals using an internet protocol |
| WO2016050854A1 (en) | 2014-10-02 | 2016-04-07 | Dolby International Ab | Decoding method and decoder for dialog enhancement |
| TWI890652B (zh) | 2015-03-13 | 2025-07-11 | 瑞典商杜比國際公司 | 音訊處理單元、用於將經編碼的音訊位元流解碼之方法以及非暫態電腦可讀媒體 |
| US10248376B2 (en) | 2015-06-11 | 2019-04-02 | Sonos, Inc. | Multiple groupings in a playback system |
| GB2554065B (en) * | 2016-09-08 | 2022-02-23 | V Nova Int Ltd | Data processing apparatuses, methods, computer programs and computer-readable media |
| US10712997B2 (en) | 2016-10-17 | 2020-07-14 | Sonos, Inc. | Room association based on name |
| CN111034225B (zh) | 2017-08-17 | 2021-09-24 | 高迪奥实验室公司 | 使用立体混响信号的音频信号处理方法和装置 |
| WO2020253941A1 (en) * | 2019-06-17 | 2020-12-24 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoder with a signal-dependent number and precision control, audio decoder, and related methods and computer programs |
| EP3896995B1 (de) * | 2020-04-17 | 2023-09-13 | Nokia Technologies Oy | Bereitstellung räumlicher audiosignale |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2047941C1 (ru) | 1992-03-17 | 1995-11-10 | Андрей Маркович Полыковский | Способ трансляции стереофонического сигнала |
| DE19628293C1 (de) * | 1996-07-12 | 1997-12-11 | Fraunhofer Ges Forschung | Codieren und Decodieren von Audiosignalen unter Verwendung von Intensity-Stereo und Prädiktion |
| SG54379A1 (en) * | 1996-10-24 | 1998-11-16 | Sgs Thomson Microelectronics A | Audio decoder with an adaptive frequency domain downmixer |
| US6694027B1 (en) | 1999-03-09 | 2004-02-17 | Smart Devices, Inc. | Discrete multi-channel/5-2-5 matrix system |
| MY123651A (en) * | 1999-04-07 | 2006-05-31 | Dolby Laboratories Licensing Corp | Matrix improvements to lossless encoding and decoding |
| US7266501B2 (en) * | 2000-03-02 | 2007-09-04 | Akiba Electronics Institute Llc | Method and apparatus for accommodating primary content audio and secondary content remaining audio capability in the digital audio production process |
| RU2161868C1 (ru) | 2000-05-12 | 2001-01-10 | Федеральное государственное унитарное предприятие Научно-исследовательский институт радио Государственного комитета РФ по связи и информатизации | Способ трансляции стереофонического сигнала |
| WO2004019656A2 (en) * | 2001-02-07 | 2004-03-04 | Dolby Laboratories Licensing Corporation | Audio channel spatial translation |
| SE0202159D0 (sv) * | 2001-07-10 | 2002-07-09 | Coding Technologies Sweden Ab | Efficientand scalable parametric stereo coding for low bitrate applications |
| DE60318835T2 (de) * | 2002-04-22 | 2009-01-22 | Koninklijke Philips Electronics N.V. | Parametrische darstellung von raumklang |
| KR100635022B1 (ko) * | 2002-05-03 | 2006-10-16 | 하만인터내셔날인더스트리스인코포레이티드 | 다채널 다운믹싱 장치 |
| AU2003244932A1 (en) * | 2002-07-12 | 2004-02-02 | Koninklijke Philips Electronics N.V. | Audio coding |
| 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 |
| SE0400998D0 (sv) | 2004-04-16 | 2004-04-16 | Cooding Technologies Sweden Ab | Method for representing multi-channel audio signals |
| US7391870B2 (en) * | 2004-07-09 | 2008-06-24 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E V | Apparatus and method for generating a multi-channel output signal |
-
2006
- 2006-03-16 EP EP06711112A patent/EP1866912B1/de not_active Expired - Lifetime
- 2006-03-16 MX MX2007011915A patent/MX2007011915A/es active IP Right Grant
- 2006-03-16 DE DE602006015294T patent/DE602006015294D1/de not_active Expired - Lifetime
- 2006-03-16 AT AT06711112T patent/ATE473502T1/de not_active IP Right Cessation
- 2006-03-16 RU RU2007139918/09A patent/RU2407073C2/ru active
- 2006-03-16 BR BRPI0608945A patent/BRPI0608945C8/pt active IP Right Grant
- 2006-03-16 PL PL06711112T patent/PL1866912T3/pl unknown
- 2006-03-16 JP JP2008503632A patent/JP4610650B2/ja not_active Expired - Lifetime
- 2006-03-16 KR KR1020077025173A patent/KR101271069B1/ko not_active Expired - Lifetime
- 2006-03-16 WO PCT/IB2006/050822 patent/WO2006103584A1/en not_active Ceased
- 2006-03-16 RU RU2007139922/09A patent/RU2411594C2/ru active
- 2006-03-16 US US11/909,730 patent/US8346564B2/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| KR101271069B1 (ko) | 2013-06-04 |
| BRPI0608945B8 (pt) | 2020-12-01 |
| RU2007139918A (ru) | 2009-05-10 |
| BRPI0608945B1 (pt) | 2019-05-28 |
| JP4610650B2 (ja) | 2011-01-12 |
| EP1866912B1 (de) | 2010-07-07 |
| KR20070118161A (ko) | 2007-12-13 |
| PL1866912T3 (pl) | 2011-03-31 |
| RU2407073C2 (ru) | 2010-12-20 |
| DE602006015294D1 (de) | 2010-08-19 |
| MX2007011915A (es) | 2007-11-22 |
| RU2007139922A (ru) | 2009-05-10 |
| WO2006103584A1 (en) | 2006-10-05 |
| US20100153097A1 (en) | 2010-06-17 |
| EP1866912A1 (de) | 2007-12-19 |
| US8346564B2 (en) | 2013-01-01 |
| BRPI0608945C8 (pt) | 2020-12-22 |
| RU2411594C2 (ru) | 2011-02-10 |
| BRPI0608945A2 (pt) | 2010-11-16 |
| JP2008535356A (ja) | 2008-08-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |