ES2433316T3 - Generación de señales de audio de multiples canales - Google Patents
Generación de señales de audio de multiples canales Download PDFInfo
- Publication number
- ES2433316T3 ES2433316T3 ES06780055T ES06780055T ES2433316T3 ES 2433316 T3 ES2433316 T3 ES 2433316T3 ES 06780055 T ES06780055 T ES 06780055T ES 06780055 T ES06780055 T ES 06780055T ES 2433316 T3 ES2433316 T3 ES 2433316T3
- Authority
- ES
- Spain
- Prior art keywords
- channels
- signal
- audio
- channel
- decoder
- 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
- 230000005236 sound signal Effects 0.000 title claims abstract description 51
- 230000004044 response Effects 0.000 claims abstract description 22
- 238000004364 calculation method Methods 0.000 claims abstract 5
- 239000011159 matrix material Substances 0.000 claims description 66
- 238000000034 method Methods 0.000 claims description 23
- 238000013507 mapping Methods 0.000 claims description 20
- 230000005540 biological transmission Effects 0.000 claims description 12
- 238000004590 computer program Methods 0.000 claims description 2
- 208000029523 Interstitial Lung disease Diseases 0.000 description 18
- 238000012545 processing Methods 0.000 description 7
- 230000008901 benefit Effects 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 4
- 238000004891 communication Methods 0.000 description 4
- 238000004422 calculation algorithm Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000003786 synthesis reaction Methods 0.000 description 3
- 210000002370 ICC Anatomy 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000010988 intraclass correlation coefficient Methods 0.000 description 2
- 238000007620 mathematical function Methods 0.000 description 2
- 238000012805 post-processing Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 1
- 230000021615 conjugation Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 238000007781 pre-processing Methods 0.000 description 1
- 238000011002 quantification Methods 0.000 description 1
- 238000005070 sampling Methods 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
- G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
-
- 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
- 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)
- Multimedia (AREA)
- Computational Linguistics (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Mathematical Physics (AREA)
- Stereophonic System (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP05106612 | 2005-07-19 | ||
| EP05106612 | 2005-07-19 | ||
| PCT/IB2006/052368 WO2007010451A1 (en) | 2005-07-19 | 2006-07-12 | Generation of multi-channel audio signals |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES2433316T3 true ES2433316T3 (es) | 2013-12-10 |
Family
ID=37398669
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES06780055T Active ES2433316T3 (es) | 2005-07-19 | 2006-07-12 | Generación de señales de audio de multiples canales |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US8160888B2 (https=) |
| EP (1) | EP1905006B1 (https=) |
| JP (1) | JP5171622B2 (https=) |
| KR (1) | KR101356586B1 (https=) |
| CN (1) | CN101248483B (https=) |
| BR (1) | BRPI0613734B1 (https=) |
| ES (1) | ES2433316T3 (https=) |
| PL (1) | PL1905006T3 (https=) |
| RU (1) | RU2417458C2 (https=) |
| WO (1) | WO2007010451A1 (https=) |
Families Citing this family (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7711123B2 (en) * | 2001-04-13 | 2010-05-04 | Dolby Laboratories Licensing Corporation | Segmenting audio signals into auditory events |
| KR101015037B1 (ko) * | 2006-03-29 | 2011-02-16 | 돌비 스웨덴 에이비 | 오디오 디코딩 |
| WO2009141775A1 (en) | 2008-05-23 | 2009-11-26 | Koninklijke Philips Electronics N.V. | A parametric stereo upmix apparatus, a parametric stereo decoder, a parametric stereo downmix apparatus, a parametric stereo encoder |
| KR101230691B1 (ko) * | 2008-07-10 | 2013-02-07 | 한국전자통신연구원 | 공간정보 기반의 다객체 오디오 부호화에서의 오디오 객체 편집 방법 및 그 장치 |
| KR101392546B1 (ko) | 2008-09-11 | 2014-05-08 | 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. | 마이크로폰 신호를 기반으로 공간 큐의 세트를 제공하는 장치, 방법 및 컴퓨터 프로그램과, 2채널 오디오 신호 및 공간 큐의 세트를 제공하는 장치 |
| 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 |
| EP2323130A1 (en) * | 2009-11-12 | 2011-05-18 | Koninklijke Philips Electronics N.V. | Parametric encoding and decoding |
| US20110123055A1 (en) * | 2009-11-24 | 2011-05-26 | Sharp Laboratories Of America, Inc. | Multi-channel on-display spatial audio system |
| KR101756838B1 (ko) * | 2010-10-13 | 2017-07-11 | 삼성전자주식회사 | 다채널 오디오 신호를 다운 믹스하는 방법 및 장치 |
| SG185835A1 (en) * | 2011-05-11 | 2012-12-28 | Creative Tech Ltd | A speaker for reproducing surround sound |
| IN2014CN03719A (https=) * | 2011-11-23 | 2015-07-03 | Koninkl Philips Nv | |
| US9466301B2 (en) * | 2012-11-07 | 2016-10-11 | Kenneth John Lannes | System and method for linear frequency translation, frequency compression and user selectable response time |
| US20140129236A1 (en) * | 2012-11-07 | 2014-05-08 | Kenneth John Lannes | System and method for linear frequency translation, frequency compression and user selectable response time |
| US9338573B2 (en) * | 2013-07-30 | 2016-05-10 | Dts, Inc. | Matrix decoder with constant-power pairwise panning |
| 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 |
| EP3293734B1 (en) | 2013-09-12 | 2019-05-15 | Dolby International AB | Decoding of multichannel audio content |
| EP2866227A1 (en) | 2013-10-22 | 2015-04-29 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Method for decoding and encoding a downmix matrix, method for presenting audio content, encoder and decoder for a downmix matrix, audio encoder and audio decoder |
| WO2015104447A1 (en) * | 2014-01-13 | 2015-07-16 | Nokia Technologies Oy | Multi-channel audio signal classifier |
| EP3266021B1 (en) | 2015-03-03 | 2019-05-08 | Dolby Laboratories Licensing Corporation | Enhancement of spatial audio signals by modulated decorrelation |
| EP3067885A1 (en) * | 2015-03-09 | 2016-09-14 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for encoding or decoding a multi-channel signal |
| JP7261807B2 (ja) * | 2018-02-01 | 2023-04-20 | フラウンホーファー－ゲゼルシャフト・ツール・フェルデルング・デル・アンゲヴァンテン・フォルシュング・アインゲトラーゲネル・フェライン | ハイブリッドエンコーダ／デコーダ空間解析を使用する音響シーンエンコーダ、音響シーンデコーダおよびその方法 |
| 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 |
| CN113055789B (zh) * | 2021-02-09 | 2023-03-24 | 安克创新科技股份有限公司 | 单声道音箱、在单声道音箱中增加环绕效果的方法及系统 |
| CN113438595B (zh) * | 2021-06-24 | 2022-03-18 | 深圳市叡扬声学设计研发有限公司 | 音频处理系统 |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6697491B1 (en) | 1996-07-19 | 2004-02-24 | Harman International Industries, Incorporated | 5-2-5 matrix encoder and decoder system |
| US6131084A (en) | 1997-03-14 | 2000-10-10 | Digital Voice Systems, Inc. | Dual subframe quantization of spectral magnitudes |
| JP4478220B2 (ja) * | 1997-05-29 | 2010-06-09 | ソニー株式会社 | 音場補正回路 |
| KR100335611B1 (ko) * | 1997-11-20 | 2002-10-09 | 삼성전자 주식회사 | 비트율 조절이 가능한 스테레오 오디오 부호화/복호화 방법 및 장치 |
| US6823018B1 (en) * | 1999-07-28 | 2004-11-23 | At&T Corp. | Multiple description coding communication system |
| US7644003B2 (en) | 2001-05-04 | 2010-01-05 | Agere Systems Inc. | Cue-based audio coding/decoding |
| US7451006B2 (en) | 2001-05-07 | 2008-11-11 | Harman International Industries, Incorporated | Sound processing system using distortion limiting techniques |
| EP1500084B1 (en) * | 2002-04-22 | 2008-01-23 | Koninklijke Philips Electronics N.V. | Parametric representation of spatial audio |
| US7720231B2 (en) | 2003-09-29 | 2010-05-18 | Koninklijke Philips Electronics N.V. | Encoding audio signals |
| 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 |
| ES2282899T3 (es) | 2003-10-30 | 2007-10-16 | Koninklijke Philips Electronics N.V. | Codificacion o descodificacion de señales de audio. |
| 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 |
| SE0402649D0 (sv) * | 2004-11-02 | 2004-11-02 | Coding Tech Ab | Advanced methods of creating orthogonal signals |
| EP1829424B1 (en) * | 2005-04-15 | 2009-01-21 | Dolby Sweden AB | Temporal envelope shaping of decorrelated signals |
| US20070055510A1 (en) * | 2005-07-19 | 2007-03-08 | Johannes Hilpert | Concept for bridging the gap between parametric multi-channel audio coding and matrixed-surround multi-channel coding |
-
2006
- 2006-07-12 US US11/995,700 patent/US8160888B2/en active Active
- 2006-07-12 PL PL06780055T patent/PL1905006T3/pl unknown
- 2006-07-12 CN CN2006800264569A patent/CN101248483B/zh active Active
- 2006-07-12 BR BRPI0613734A patent/BRPI0613734B1/pt active IP Right Grant
- 2006-07-12 EP EP06780055.7A patent/EP1905006B1/en active Active
- 2006-07-12 RU RU2008106223/09A patent/RU2417458C2/ru active
- 2006-07-12 ES ES06780055T patent/ES2433316T3/es active Active
- 2006-07-12 JP JP2008522125A patent/JP5171622B2/ja active Active
- 2006-07-12 KR KR1020087003925A patent/KR101356586B1/ko active Active
- 2006-07-12 WO PCT/IB2006/052368 patent/WO2007010451A1/en not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| RU2417458C2 (ru) | 2011-04-27 |
| JP5171622B2 (ja) | 2013-03-27 |
| WO2007010451A1 (en) | 2007-01-25 |
| EP1905006B1 (en) | 2013-09-04 |
| KR20080033993A (ko) | 2008-04-17 |
| EP1905006A1 (en) | 2008-04-02 |
| BRPI0613734B1 (pt) | 2019-10-22 |
| KR101356586B1 (ko) | 2014-02-11 |
| US20080201153A1 (en) | 2008-08-21 |
| CN101248483B (zh) | 2011-11-23 |
| US8160888B2 (en) | 2012-04-17 |
| JP2009501957A (ja) | 2009-01-22 |
| PL1905006T3 (pl) | 2014-02-28 |
| CN101248483A (zh) | 2008-08-20 |
| RU2008106223A (ru) | 2009-08-27 |
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