ES2374309T3 - Decodificación de audio. - Google Patents
Decodificación de audio. Download PDFInfo
- Publication number
- ES2374309T3 ES2374309T3 ES09005485T ES09005485T ES2374309T3 ES 2374309 T3 ES2374309 T3 ES 2374309T3 ES 09005485 T ES09005485 T ES 09005485T ES 09005485 T ES09005485 T ES 09005485T ES 2374309 T3 ES2374309 T3 ES 2374309T3
- Authority
- ES
- Spain
- Prior art keywords
- matrix
- decoder
- data
- hierarchical
- audio
- 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
Links
- 239000011159 matrix material Substances 0.000 claims abstract description 180
- 238000000547 structure data Methods 0.000 claims abstract description 80
- 230000004044 response Effects 0.000 claims abstract description 37
- 238000000034 method Methods 0.000 claims abstract description 28
- 230000008569 process Effects 0.000 claims abstract description 6
- 230000001174 ascending effect Effects 0.000 claims description 43
- 230000005236 sound signal Effects 0.000 claims description 28
- 238000012545 processing Methods 0.000 claims description 4
- 238000004590 computer program Methods 0.000 claims description 2
- 239000000543 intermediate Substances 0.000 claims 3
- 239000010410 layer Substances 0.000 description 83
- 238000011144 upstream manufacturing Methods 0.000 description 60
- 238000013459 approach Methods 0.000 description 14
- 238000004891 communication Methods 0.000 description 11
- 239000013598 vector Substances 0.000 description 9
- 239000000203 mixture Substances 0.000 description 8
- 230000006978 adaptation Effects 0.000 description 4
- 238000013507 mapping Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- UHZZMRAGKVHANO-UHFFFAOYSA-M chlormequat chloride Chemical compound [Cl-].C[N+](C)(C)CCCl UHZZMRAGKVHANO-UHFFFAOYSA-M 0.000 description 3
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- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
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- 230000015556 catabolic process Effects 0.000 description 1
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- 239000002356 single layer Substances 0.000 description 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
- 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
-
- 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)
- Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP05106466 | 2005-07-14 | ||
| EP05106466 | 2005-07-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES2374309T3 true ES2374309T3 (es) | 2012-02-15 |
Family
ID=37467582
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES09005485T Active ES2374309T3 (es) | 2005-07-14 | 2006-07-07 | Decodificación de audio. |
| ES06766049T Active ES2327158T3 (es) | 2005-07-14 | 2006-07-07 | Codificacion y decodificacion de audio. |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES06766049T Active ES2327158T3 (es) | 2005-07-14 | 2006-07-07 | Codificacion y decodificacion de audio. |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US7966191B2 (https=) |
| EP (2) | EP2088580B1 (https=) |
| JP (2) | JP5097702B2 (https=) |
| KR (2) | KR101492826B1 (https=) |
| CN (2) | CN102013256B (https=) |
| AT (2) | ATE433182T1 (https=) |
| BR (1) | BRPI0613469A2 (https=) |
| DE (1) | DE602006007139D1 (https=) |
| ES (2) | ES2374309T3 (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 |
|---|---|---|---|---|
| CN102013256B (zh) * | 2005-07-14 | 2013-12-18 | 皇家飞利浦电子股份有限公司 | 用于生成多个输出音频通道的方法及设备 |
| MX2008001307A (es) | 2005-07-29 | 2008-03-19 | Lg Electronics Inc | Metodo para la senalizacion de informacion de division. |
| KR101218776B1 (ko) | 2006-01-11 | 2013-01-18 | 삼성전자주식회사 | 다운믹스된 신호로부터 멀티채널 신호 생성방법 및 그 기록매체 |
| CN101361122B (zh) * | 2006-04-03 | 2012-12-19 | Lg电子株式会社 | 处理媒体信号的装置及其方法 |
| RU2466469C2 (ru) * | 2007-01-10 | 2012-11-10 | Конинклейке Филипс Электроникс Н.В. | Аудиодекодер |
| US20100241434A1 (en) * | 2007-02-20 | 2010-09-23 | Kojiro Ono | Multi-channel decoding device, multi-channel decoding method, program, and semiconductor integrated circuit |
| EP2130304A4 (en) | 2007-03-16 | 2012-04-04 | Lg Electronics Inc | METHOD AND DEVICE FOR PROCESSING AN AUDIO SIGNAL |
| KR101464977B1 (ko) * | 2007-10-01 | 2014-11-25 | 삼성전자주식회사 | 메모리 관리 방법, 및 멀티 채널 데이터의 복호화 방법 및장치 |
| EP2624253A3 (en) * | 2007-10-22 | 2013-11-06 | Electronics and Telecommunications Research Institute | Multi-object audio encoding and decoding method and apparatus thereof |
| 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 |
| ES2531013T3 (es) | 2009-10-20 | 2015-03-10 | Fraunhofer Ges Forschung | Codificador de audio, decodificador de audio, método para codificar información de audio, método para decodificar información de audio y programa de computación que usa la detección de un grupo de valores espectrales previamente decodificados |
| MX2012006823A (es) | 2009-12-16 | 2012-07-23 | Dolby Int Ab | Mezcla descendente de parametros de corriente de bits sbr. |
| 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 |
| EA030776B9 (ru) | 2011-03-28 | 2019-01-31 | Долби Лабораторис Лайсэнзин Корпорейшн | Преобразование пониженной сложности для канала низкочастотных эффектов |
| US9830917B2 (en) | 2013-02-14 | 2017-11-28 | Dolby Laboratories Licensing Corporation | Methods for audio signal transient detection and decorrelation control |
| 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 |
| BR112015028914B1 (pt) | 2013-05-24 | 2021-12-07 | Dolby International Ab | Método e aparelho para reconstruir um bloco de tempo/frequência de objetos de áudio n, método e codificador para gerar pelo menos um parâmetro de ponderação, e meio legível por computador |
| 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 |
| KR102244379B1 (ko) | 2013-10-21 | 2021-04-26 | 돌비 인터네셔널 에이비 | 오디오 신호들의 파라메트릭 재구성 |
| KR101805327B1 (ko) | 2013-10-21 | 2017-12-05 | 돌비 인터네셔널 에이비 | 오디오 신호들의 파라메트릭 재구성을 위한 역상관기 구조 |
| 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 |
| WO2016066743A1 (en) * | 2014-10-31 | 2016-05-06 | Dolby International Ab | Parametric encoding and decoding of multichannel audio signals |
| RU2019138260A (ru) * | 2015-06-24 | 2019-12-05 | Сони Корпорейшн | Устройство, способ и программа аудиообработки |
| 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 |
| EP1500084B1 (en) * | 2002-04-22 | 2008-01-23 | Koninklijke Philips Electronics N.V. | Parametric representation of spatial audio |
| BR0305434A (pt) | 2002-07-12 | 2004-09-28 | Koninkl Philips Electronics Nv | Métodos e arranjos para codificar e para decodificar um sinal de áudio multicanal, aparelhos para fornecer um sinal de áudio codificado e um sinal de áudio decodificado, sinal de áudio multicanal codificado, e, meio de armazenagem |
| WO2004008806A1 (en) * | 2002-07-16 | 2004-01-22 | Koninklijke Philips Electronics N.V. | Audio coding |
| 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 |
| US7502743B2 (en) * | 2002-09-04 | 2009-03-10 | Microsoft Corporation | Multi-channel audio encoding and decoding with multi-channel transform selection |
| 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 |
| US7613306B2 (en) * | 2004-02-25 | 2009-11-03 | Panasonic Corporation | Audio encoder and audio decoder |
| CN1947172B (zh) * | 2004-04-05 | 2011-08-03 | 皇家飞利浦电子股份有限公司 | 方法、装置、编码器设备、解码器设备以及音频系统 |
| JP4679513B2 (ja) * | 2004-04-28 | 2011-04-27 | パナソニック株式会社 | 階層符号化装置および階層符号化方法 |
| CN102013256B (zh) * | 2005-07-14 | 2013-12-18 | 皇家飞利浦电子股份有限公司 | 用于生成多个输出音频通道的方法及设备 |
| 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 CN CN2010102983019A patent/CN102013256B/zh active Active
- 2006-07-07 KR KR1020107024547A patent/KR101492826B1/ko active Active
- 2006-07-07 EP EP09005485A patent/EP2088580B1/en active Active
- 2006-07-07 US US11/995,538 patent/US7966191B2/en active Active
- 2006-07-07 WO PCT/IB2006/052309 patent/WO2007007263A2/en not_active Ceased
- 2006-07-07 DE DE602006007139T patent/DE602006007139D1/de active Active
- 2006-07-07 AT AT06766049T patent/ATE433182T1/de not_active IP Right Cessation
- 2006-07-07 ES ES09005485T patent/ES2374309T3/es active Active
- 2006-07-07 AT AT09005485T patent/ATE523877T1/de not_active IP Right Cessation
- 2006-07-07 RU RU2008105556/09A patent/RU2418385C2/ru active
- 2006-07-07 MX MX2008000504A patent/MX2008000504A/es active IP Right Grant
- 2006-07-07 JP JP2008521009A patent/JP5097702B2/ja active Active
- 2006-07-07 ES ES06766049T patent/ES2327158T3/es active Active
- 2006-07-07 EP EP06766049A patent/EP1902443B1/en active Active
- 2006-07-07 CN CN2006800255555A patent/CN101223575B/zh active Active
- 2006-07-07 BR BRPI0613469-6A patent/BRPI0613469A2/pt not_active Application Discontinuation
- 2006-07-07 PL PL06766049T patent/PL1902443T3/pl unknown
- 2006-07-07 KR KR1020087003599A patent/KR101496193B1/ko active Active
- 2006-07-07 PL PL09005485T patent/PL2088580T3/pl unknown
-
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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