JP5097702B2 - オーディオエンコード及びデコード - Google Patents
オーディオエンコード及びデコード Download PDFInfo
- Publication number
- JP5097702B2 JP5097702B2 JP2008521009A JP2008521009A JP5097702B2 JP 5097702 B2 JP5097702 B2 JP 5097702B2 JP 2008521009 A JP2008521009 A JP 2008521009A JP 2008521009 A JP2008521009 A JP 2008521009A JP 5097702 B2 JP5097702 B2 JP 5097702B2
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- JP
- Japan
- Prior art keywords
- channel
- data
- decoder
- audio
- channels
- 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.)
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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
- G10L19/16—Vocoder architecture
- G10L19/18—Vocoders using multiple modes
- G10L19/24—Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/233—Processing of audio elementary streams
-
- 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)
- Signal Processing (AREA)
- Multimedia (AREA)
- Acoustics & Sound (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Computational Linguistics (AREA)
- Mathematical Physics (AREA)
- Quality & Reliability (AREA)
- Stereophonic System (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
- Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP05106466 | 2005-07-14 | ||
| EP05106466.5 | 2005-07-14 | ||
| PCT/IB2006/052309 WO2007007263A2 (en) | 2005-07-14 | 2006-07-07 | Audio encoding and decoding |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2010254409A Division JP5269039B2 (ja) | 2005-07-14 | 2010-11-15 | オーディオエンコード及びデコード |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2009501354A JP2009501354A (ja) | 2009-01-15 |
| JP2009501354A5 JP2009501354A5 (https=) | 2009-08-20 |
| JP5097702B2 true JP5097702B2 (ja) | 2012-12-12 |
Family
ID=37467582
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2008521009A Active JP5097702B2 (ja) | 2005-07-14 | 2006-07-07 | オーディオエンコード及びデコード |
| JP2010254409A Active JP5269039B2 (ja) | 2005-07-14 | 2010-11-15 | オーディオエンコード及びデコード |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2010254409A Active JP5269039B2 (ja) | 2005-07-14 | 2010-11-15 | オーディオエンコード及びデコード |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US7966191B2 (https=) |
| EP (2) | EP2088580B1 (https=) |
| JP (2) | JP5097702B2 (https=) |
| KR (2) | KR101496193B1 (https=) |
| CN (2) | CN102013256B (https=) |
| AT (2) | ATE523877T1 (https=) |
| BR (1) | BRPI0613469A2 (https=) |
| DE (1) | DE602006007139D1 (https=) |
| ES (2) | ES2327158T3 (https=) |
| MX (1) | MX2008000504A (https=) |
| PL (2) | PL1902443T3 (https=) |
| RU (2) | RU2418385C2 (https=) |
| WO (1) | WO2007007263A2 (https=) |
Families Citing this family (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7966191B2 (en) * | 2005-07-14 | 2011-06-21 | Koninklijke Philips Electronics N.V. | Method and apparatus for generating a number of output audio channels |
| JP5113050B2 (ja) * | 2005-07-29 | 2013-01-09 | エルジー エレクトロニクス インコーポレイティド | 符号化されたオーディオ信号の生成方法及びオーディオ信号の処理方法 |
| KR101218776B1 (ko) | 2006-01-11 | 2013-01-18 | 삼성전자주식회사 | 다운믹스된 신호로부터 멀티채널 신호 생성방법 및 그 기록매체 |
| KR20070099456A (ko) | 2006-04-03 | 2007-10-09 | 엘지전자 주식회사 | 미디어 신호 처리 방법 및 장치 |
| MX2009007412A (es) * | 2007-01-10 | 2009-07-17 | Koninkl Philips Electronics Nv | Decodificador de audio. |
| EP2093757A4 (en) * | 2007-02-20 | 2012-02-22 | Panasonic Corp | MULTI-CHANNEL DECODING DEVICE, MULTI-CHANNEL DECODING METHOD, PROGRAM AND INTEGRATED SEMICONDUCTOR SWITCHING |
| KR20080084757A (ko) * | 2007-03-16 | 2008-09-19 | 엘지전자 주식회사 | 오디오 신호 처리 방법 및 장치 |
| KR101464977B1 (ko) * | 2007-10-01 | 2014-11-25 | 삼성전자주식회사 | 메모리 관리 방법, 및 멀티 채널 데이터의 복호화 방법 및장치 |
| CN101911180A (zh) * | 2007-10-22 | 2010-12-08 | 韩国电子通信研究院 | 多对象音频编码和解码方法以及其设备 |
| JP5603339B2 (ja) * | 2008-10-29 | 2014-10-08 | ドルビー インターナショナル アーベー | 既存のオーディオゲインメタデータを使用した信号のクリッピングの保護 |
| KR20110022251A (ko) * | 2009-08-27 | 2011-03-07 | 삼성전자주식회사 | 스테레오 오디오의 부호화, 복호화 방법 및 장치 |
| BR122022013454B1 (pt) | 2009-10-20 | 2023-05-16 | Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. | Codificador de áudio, decodificador de áudio, método para codificar uma informação de áudio, método para decodificar uma informação de áudio que utiliza uma detecção de um grupo de valores espectrais previamente decodificados |
| JP5298245B2 (ja) * | 2009-12-16 | 2013-09-25 | ドルビー インターナショナル アーベー | Sbrビットストリームパラメータダウンミックス |
| CN102142924B (zh) * | 2010-02-03 | 2014-04-09 | 中兴通讯股份有限公司 | 一种多用途语音频编码传输方法和装置 |
| CN103415883B (zh) | 2011-03-28 | 2015-11-25 | 杜比实验室特许公司 | 用于低频效果声道的减少复杂性变换 |
| EP2956935B1 (en) * | 2013-02-14 | 2017-01-04 | Dolby Laboratories Licensing Corporation | Controlling the inter-channel coherence of upmixed audio signals |
| TWI618050B (zh) | 2013-02-14 | 2018-03-11 | 杜比實驗室特許公司 | 用於音訊處理系統中之訊號去相關的方法及設備 |
| WO2014126688A1 (en) | 2013-02-14 | 2014-08-21 | Dolby Laboratories Licensing Corporation | Methods for audio signal transient detection and decorrelation control |
| CN110223702B (zh) | 2013-05-24 | 2023-04-11 | 杜比国际公司 | 音频解码系统和重构方法 |
| TWI671734B (zh) * | 2013-09-12 | 2019-09-11 | 瑞典商杜比國際公司 | 在包含三個音訊聲道的多聲道音訊系統中之解碼方法、編碼方法、解碼裝置及編碼裝置、包含用於執行解碼方法及編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、包含解碼裝置及編碼裝置的音訊系統 |
| CA2926243C (en) | 2013-10-21 | 2018-01-23 | Lars Villemoes | Decorrelator structure for parametric reconstruction of audio signals |
| JP6479786B2 (ja) | 2013-10-21 | 2019-03-06 | ドルビー・インターナショナル・アーベー | オーディオ信号のパラメトリック再構成 |
| EP2866475A1 (en) * | 2013-10-23 | 2015-04-29 | Thomson Licensing | Method for and apparatus for decoding an audio soundfield representation for audio playback using 2D setups |
| BR112017008015B1 (pt) * | 2014-10-31 | 2023-11-14 | Dolby International Ab | Métodos e sistemas de decodificação e codificação de áudio |
| CN107710790B (zh) * | 2015-06-24 | 2021-06-22 | 索尼公司 | 用于处理声音的装置、方法及程序 |
| US10416954B2 (en) | 2017-04-28 | 2019-09-17 | Microsoft Technology Licensing, Llc | Streaming of augmented/virtual reality spatial audio/video |
| EP3719799A1 (en) | 2019-04-04 | 2020-10-07 | FRAUNHOFER-GESELLSCHAFT zur Förderung der angewandten Forschung e.V. | A multi-channel audio encoder, decoder, methods and computer program for switching between a parametric multi-channel operation and an individual channel operation |
Family Cites Families (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3943879B4 (de) * | 1989-04-17 | 2008-07-17 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Digitales Codierverfahren |
| DE4236989C2 (de) * | 1992-11-02 | 1994-11-17 | Fraunhofer Ges Forschung | Verfahren zur Übertragung und/oder Speicherung digitaler Signale mehrerer Kanäle |
| JP3298478B2 (ja) * | 1997-11-10 | 2002-07-02 | 日本電気株式会社 | Mpeg復号装置 |
| JPH11330980A (ja) * | 1998-05-13 | 1999-11-30 | Matsushita Electric Ind Co Ltd | 復号装置及びその復号方法、並びにその復号の手順を記録した記録媒体 |
| US6539357B1 (en) * | 1999-04-29 | 2003-03-25 | Agere Systems Inc. | Technique for parametric coding of a signal containing information |
| JP2001268697A (ja) * | 2000-03-22 | 2001-09-28 | Sony Corp | データ伝送システム、データ伝送装置、データ伝送方法 |
| WO2004019656A2 (en) | 2001-02-07 | 2004-03-04 | Dolby Laboratories Licensing Corporation | Audio channel spatial translation |
| US6996523B1 (en) * | 2001-02-13 | 2006-02-07 | Hughes Electronics Corporation | Prototype waveform magnitude quantization for a frequency domain interpolative speech codec system |
| SE0202159D0 (sv) * | 2001-07-10 | 2002-07-09 | Coding Technologies Sweden Ab | Efficientand scalable parametric stereo coding for low bitrate applications |
| ES2300567T3 (es) * | 2002-04-22 | 2008-06-16 | Koninklijke Philips Electronics N.V. | Representacion parametrica de audio espacial. |
| CN100539742C (zh) | 2002-07-12 | 2009-09-09 | 皇家飞利浦电子股份有限公司 | 多声道音频信号编解码方法和装置 |
| WO2004008806A1 (en) * | 2002-07-16 | 2004-01-22 | Koninklijke Philips Electronics N.V. | Audio coding |
| US7502743B2 (en) * | 2002-09-04 | 2009-03-10 | Microsoft Corporation | Multi-channel audio encoding and decoding with multi-channel transform selection |
| JP4676140B2 (ja) * | 2002-09-04 | 2011-04-27 | マイクロソフト コーポレーション | オーディオの量子化および逆量子化 |
| FR2852172A1 (fr) * | 2003-03-04 | 2004-09-10 | France Telecom | Procede et dispositif de reconstruction spectrale d'un signal audio |
| 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 |
| KR100571824B1 (ko) * | 2003-11-26 | 2006-04-17 | 삼성전자주식회사 | 부가정보 삽입된 mpeg-4 오디오 bsac부호화/복호화 방법 및 장치 |
| WO2005081229A1 (ja) * | 2004-02-25 | 2005-09-01 | Matsushita Electric Industrial Co., Ltd. | オーディオエンコーダ及びオーディオデコーダ |
| PL1735779T3 (pl) * | 2004-04-05 | 2014-01-31 | Koninklijke Philips Nv | Urządzenie kodujące, dekodujące, sposoby z nimi powiązane oraz powiązany system audio |
| WO2005106850A1 (ja) * | 2004-04-28 | 2005-11-10 | Matsushita Electric Industrial Co., Ltd. | 階層符号化装置および階層符号化方法 |
| US7966191B2 (en) * | 2005-07-14 | 2011-06-21 | Koninklijke Philips Electronics N.V. | Method and apparatus for generating a number of output audio channels |
| JP5321820B2 (ja) * | 2009-04-23 | 2013-10-23 | セイコーエプソン株式会社 | 用紙搬送装置 |
-
2006
- 2006-07-07 US US11/995,538 patent/US7966191B2/en active Active
- 2006-07-07 PL PL06766049T patent/PL1902443T3/pl unknown
- 2006-07-07 EP EP09005485A patent/EP2088580B1/en active Active
- 2006-07-07 DE DE602006007139T patent/DE602006007139D1/de active Active
- 2006-07-07 AT AT09005485T patent/ATE523877T1/de not_active IP Right Cessation
- 2006-07-07 KR KR1020087003599A patent/KR101496193B1/ko active Active
- 2006-07-07 KR KR1020107024547A patent/KR101492826B1/ko active Active
- 2006-07-07 CN CN2010102983019A patent/CN102013256B/zh active Active
- 2006-07-07 CN CN2006800255555A patent/CN101223575B/zh active Active
- 2006-07-07 PL PL09005485T patent/PL2088580T3/pl unknown
- 2006-07-07 AT AT06766049T patent/ATE433182T1/de not_active IP Right Cessation
- 2006-07-07 RU RU2008105556/09A patent/RU2418385C2/ru active
- 2006-07-07 EP EP06766049A patent/EP1902443B1/en active Active
- 2006-07-07 BR BRPI0613469-6A patent/BRPI0613469A2/pt not_active Application Discontinuation
- 2006-07-07 JP JP2008521009A patent/JP5097702B2/ja active Active
- 2006-07-07 ES ES06766049T patent/ES2327158T3/es active Active
- 2006-07-07 MX MX2008000504A patent/MX2008000504A/es active IP Right Grant
- 2006-07-07 WO PCT/IB2006/052309 patent/WO2007007263A2/en not_active Ceased
- 2006-07-07 ES ES09005485T patent/ES2374309T3/es active Active
-
2010
- 2010-09-08 RU RU2010137467/08A patent/RU2461078C2/ru active
- 2010-11-15 JP JP2010254409A patent/JP5269039B2/ja active Active
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