MX2008000504A - Codificacion y decodificacion de audio. - Google Patents
Codificacion y decodificacion de audio.Info
- Publication number
- MX2008000504A MX2008000504A MX2008000504A MX2008000504A MX2008000504A MX 2008000504 A MX2008000504 A MX 2008000504A MX 2008000504 A MX2008000504 A MX 2008000504A MX 2008000504 A MX2008000504 A MX 2008000504A MX 2008000504 A MX2008000504 A MX 2008000504A
- Authority
- MX
- Mexico
- Prior art keywords
- data
- hierarchical
- decoder
- audio
- channel
- Prior art date
Links
- 238000000547 structure data Methods 0.000 claims abstract description 102
- 230000004044 response Effects 0.000 claims abstract description 39
- 239000011159 matrix material Substances 0.000 claims description 83
- 238000000034 method Methods 0.000 claims description 47
- 230000005236 sound signal Effects 0.000 claims description 26
- 230000005540 biological transmission Effects 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 3
- 238000004590 computer program Methods 0.000 claims description 2
- 230000001419 dependent effect Effects 0.000 claims description 2
- 239000010410 layer Substances 0.000 description 77
- 230000001174 ascending effect Effects 0.000 description 42
- 238000004891 communication Methods 0.000 description 13
- 239000013598 vector Substances 0.000 description 9
- 230000008569 process Effects 0.000 description 5
- 230000006978 adaptation Effects 0.000 description 4
- 238000013507 mapping Methods 0.000 description 4
- 238000009795 derivation Methods 0.000 description 3
- 239000000284 extract Substances 0.000 description 3
- 230000000630 rising effect Effects 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 230000009466 transformation Effects 0.000 description 3
- 101001101328 Haloarcula marismortui (strain ATCC 43049 / DSM 3752 / JCM 8966 / VKM B-1809) 50S ribosomal protein L30 Proteins 0.000 description 2
- 238000003491 array Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 101000592762 Haloarcula marismortui (strain ATCC 43049 / DSM 3752 / JCM 8966 / VKM B-1809) 50S ribosomal protein L22 Proteins 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- UHZZMRAGKVHANO-UHFFFAOYSA-M chlormequat chloride Chemical compound [Cl-].C[N+](C)(C)CCCl UHZZMRAGKVHANO-UHFFFAOYSA-M 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 230000002123 temporal effect Effects 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 | ||
| PCT/IB2006/052309 WO2007007263A2 (en) | 2005-07-14 | 2006-07-07 | Audio encoding and decoding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| MX2008000504A true MX2008000504A (es) | 2008-03-07 |
Family
ID=37467582
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| MX2008000504A MX2008000504A (es) | 2005-07-14 | 2006-07-07 | Codificacion y decodificacion de audio. |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US7966191B2 (enExample) |
| EP (2) | EP1902443B1 (enExample) |
| JP (2) | JP5097702B2 (enExample) |
| KR (2) | KR101492826B1 (enExample) |
| CN (2) | CN102013256B (enExample) |
| AT (2) | ATE433182T1 (enExample) |
| BR (1) | BRPI0613469A2 (enExample) |
| DE (1) | DE602006007139D1 (enExample) |
| ES (2) | ES2327158T3 (enExample) |
| MX (1) | MX2008000504A (enExample) |
| PL (2) | PL1902443T3 (enExample) |
| RU (2) | RU2418385C2 (enExample) |
| WO (1) | WO2007007263A2 (enExample) |
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 |
| 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 |
| 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 |
| WO2008084427A2 (en) * | 2007-01-10 | 2008-07-17 | Koninklijke Philips Electronics N.V. | Audio decoder |
| EP2093757A4 (en) * | 2007-02-20 | 2012-02-22 | Panasonic Corp | MULTI-CHANNEL DECODING DEVICE, MULTI-CHANNEL DECODING METHOD, PROGRAM AND INTEGRATED SEMICONDUCTOR SWITCHING |
| WO2008114982A1 (en) | 2007-03-16 | 2008-09-25 | Lg Electronics Inc. | A method and an apparatus for processing an audio signal |
| KR101464977B1 (ko) * | 2007-10-01 | 2014-11-25 | 삼성전자주식회사 | 메모리 관리 방법, 및 멀티 채널 데이터의 복호화 방법 및장치 |
| US20100228554A1 (en) * | 2007-10-22 | 2010-09-09 | Electronics And Telecommunications Research Institute | Multi-object audio encoding and decoding method and apparatus thereof |
| EP4528726B1 (en) * | 2008-10-29 | 2026-03-18 | Dolby International AB | Signal clipping protection using pre-existing audio gain metadata |
| KR20110022251A (ko) * | 2009-08-27 | 2011-03-07 | 삼성전자주식회사 | 스테레오 오디오의 부호화, 복호화 방법 및 장치 |
| EP2491553B1 (en) | 2009-10-20 | 2016-10-12 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoder, audio decoder, method for encoding an audio information, method for decoding an audio information and computer program using an iterative interval size reduction |
| CA2779388C (en) * | 2009-12-16 | 2015-11-10 | Dolby International Ab | Sbr bitstream parameter downmix |
| 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 |
| MY166267A (en) | 2011-03-28 | 2018-06-22 | Dolby Laboratories Licensing Corp | Reduced complexity transform for a low-frequency-effects channel |
| WO2014126688A1 (en) | 2013-02-14 | 2014-08-21 | Dolby Laboratories Licensing Corporation | Methods for audio signal transient detection and decorrelation control |
| WO2014126689A1 (en) * | 2013-02-14 | 2014-08-21 | Dolby Laboratories Licensing Corporation | Methods for 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 |
| WO2014187987A1 (en) | 2013-05-24 | 2014-11-27 | Dolby International Ab | Methods for audio encoding and decoding, corresponding computer-readable media and corresponding audio encoder and decoder |
| TWI847206B (zh) * | 2013-09-12 | 2024-07-01 | 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 |
| CN111192592B (zh) | 2013-10-21 | 2023-09-15 | 杜比国际公司 | 音频信号的参数化重构 |
| 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 |
| KR102486338B1 (ko) * | 2014-10-31 | 2023-01-10 | 돌비 인터네셔널 에이비 | 멀티채널 오디오 신호의 파라메트릭 인코딩 및 디코딩 |
| KR101930671B1 (ko) * | 2015-06-24 | 2018-12-18 | 소니 주식회사 | 음성 처리 장치 및 방법, 그리고 기록 매체 |
| 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 |
|---|---|---|---|---|
| DE3943881B4 (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. |
| ATE377339T1 (de) * | 2002-07-12 | 2007-11-15 | Koninkl Philips Electronics Nv | Audio-kodierung |
| US7542896B2 (en) * | 2002-07-16 | 2009-06-02 | Koninklijke Philips Electronics N.V. | Audio coding/decoding with spatial parameters and non-uniform segmentation for transients |
| 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 |
| CN1906664A (zh) * | 2004-02-25 | 2007-01-31 | 松下电器产业株式会社 | 音频编码器和音频解码器 |
| US9992599B2 (en) * | 2004-04-05 | 2018-06-05 | Koninklijke Philips N.V. | Method, device, encoder apparatus, decoder apparatus and audio system |
| ATE403217T1 (de) * | 2004-04-28 | 2008-08-15 | Matsushita Electric Industrial Co Ltd | Hierarchische kodierungsanordnung und hierarchisches kodierungsverfahren |
| 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 not_active Expired - Lifetime
- 2006-07-07 EP EP06766049A patent/EP1902443B1/en not_active Expired - Lifetime
- 2006-07-07 BR BRPI0613469-6A patent/BRPI0613469A2/pt not_active Application Discontinuation
- 2006-07-07 CN CN2006800255555A patent/CN101223575B/zh not_active Expired - Lifetime
- 2006-07-07 ES ES06766049T patent/ES2327158T3/es not_active Expired - Lifetime
- 2006-07-07 US US11/995,538 patent/US7966191B2/en active Active
- 2006-07-07 PL PL06766049T patent/PL1902443T3/pl unknown
- 2006-07-07 DE DE602006007139T patent/DE602006007139D1/de not_active Expired - Lifetime
- 2006-07-07 RU RU2008105556/09A patent/RU2418385C2/ru 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 MX MX2008000504A patent/MX2008000504A/es active IP Right Grant
- 2006-07-07 AT AT09005485T patent/ATE523877T1/de not_active IP Right Cessation
- 2006-07-07 WO PCT/IB2006/052309 patent/WO2007007263A2/en not_active Ceased
- 2006-07-07 EP EP09005485A patent/EP2088580B1/en not_active Expired - Lifetime
- 2006-07-07 JP JP2008521009A patent/JP5097702B2/ja not_active Expired - Lifetime
- 2006-07-07 KR KR1020107024547A patent/KR101492826B1/ko not_active Expired - Lifetime
- 2006-07-07 KR KR1020087003599A patent/KR101496193B1/ko not_active Expired - Lifetime
- 2006-07-07 ES ES09005485T patent/ES2374309T3/es not_active Expired - Lifetime
-
2010
- 2010-09-08 RU RU2010137467/08A patent/RU2461078C2/ru active
- 2010-11-15 JP JP2010254409A patent/JP5269039B2/ja not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FG | Grant or registration | ||
| HC | Change of company name or juridical status |