BRPI0613734B1 - decodificador, método e receptor para gerar um sinal de áudio de multi-canais, unidade legível por computador, sistema de transmissão, método para transmitir e receber um sinal de áudio, e, dispositivo de reprodução de áudio - Google Patents
decodificador, método e receptor para gerar um sinal de áudio de multi-canais, unidade legível por computador, sistema de transmissão, método para transmitir e receber um sinal de áudio, e, dispositivo de reprodução de áudio Download PDFInfo
- Publication number
- BRPI0613734B1 BRPI0613734B1 BRPI0613734A BRPI0613734A BRPI0613734B1 BR PI0613734 B1 BRPI0613734 B1 BR PI0613734B1 BR PI0613734 A BRPI0613734 A BR PI0613734A BR PI0613734 A BRPI0613734 A BR PI0613734A BR PI0613734 B1 BRPI0613734 B1 BR PI0613734B1
- Authority
- BR
- Brazil
- Prior art keywords
- signal
- audio
- channel
- channels
- decoder
- Prior art date
Links
- 230000005236 sound signal Effects 0.000 title claims abstract description 62
- 238000000034 method Methods 0.000 title claims abstract description 31
- 230000005540 biological transmission Effects 0.000 title claims abstract description 12
- 230000004044 response Effects 0.000 claims abstract description 30
- 239000011159 matrix material Substances 0.000 claims description 60
- 238000004590 computer program Methods 0.000 abstract description 2
- 230000009467 reduction Effects 0.000 description 43
- 238000013507 mapping Methods 0.000 description 19
- UHZZMRAGKVHANO-UHFFFAOYSA-M chlormequat chloride Chemical compound [Cl-].C[N+](C)(C)CCCl UHZZMRAGKVHANO-UHFFFAOYSA-M 0.000 description 7
- 230000008901 benefit Effects 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 238000012545 processing Methods 0.000 description 5
- 208000029523 Interstitial Lung disease Diseases 0.000 description 3
- 238000013459 approach Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000004422 calculation algorithm Methods 0.000 description 3
- 238000004891 communication Methods 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
- 238000009826 distribution 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
- 238000011160 research Methods 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000021615 conjugation Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 238000007781 pre-processing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000013139 quantization 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)
- Acoustics & Sound (AREA)
- Signal Processing (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 (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| 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 |
|---|---|
| BRPI0613734B1 true BRPI0613734B1 (pt) | 2019-10-22 |
Family
ID=37398669
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BRPI0613734A BRPI0613734B1 (pt) | 2005-07-19 | 2006-07-12 | decodificador, método e receptor para gerar um sinal de áudio de multi-canais, unidade legível por computador, sistema de transmissão, método para transmitir e receber um sinal de áudio, e, dispositivo de reprodução de áudio |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US8160888B2 (enExample) |
| EP (1) | EP1905006B1 (enExample) |
| JP (1) | JP5171622B2 (enExample) |
| KR (1) | KR101356586B1 (enExample) |
| CN (1) | CN101248483B (enExample) |
| BR (1) | BRPI0613734B1 (enExample) |
| ES (1) | ES2433316T3 (enExample) |
| PL (1) | PL1905006T3 (enExample) |
| RU (1) | RU2417458C2 (enExample) |
| WO (1) | WO2007010451A1 (enExample) |
Families Citing this family (25)
| 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 |
| MX2008012217A (es) * | 2006-03-29 | 2008-11-12 | Koninkl Philips Electronics Nv | Decodificacion de audio. |
| RU2497204C2 (ru) | 2008-05-23 | 2013-10-27 | Конинклейке Филипс Электроникс Н.В. | Устройство параметрического стереофонического повышающего микширования, параметрический стереофонический декодер, устройство параметрического стереофонического понижающего микширования, параметрический стереофонический кодер |
| KR101230691B1 (ko) * | 2008-07-10 | 2013-02-07 | 한국전자통신연구원 | 공간정보 기반의 다객체 오디오 부호화에서의 오디오 객체 편집 방법 및 그 장치 |
| RU2493617C2 (ru) * | 2008-09-11 | 2013-09-20 | Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. | Устройство, способ и компьютерная программа для обеспечения набора пространственных указателей на основе сигнала микрофона и устройство для обеспечения двухканального аудиосигнала и набора пространственных указателей |
| US8023660B2 (en) | 2008-09-11 | 2011-09-20 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Apparatus, method and computer program for providing a set of spatial cues on the basis of a microphone signal and apparatus for providing a two-channel audio signal and a set of spatial cues |
| 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 |
| US9686030B2 (en) * | 2011-11-23 | 2017-06-20 | Koninklijke Philips N.V. | Method and apparatus for configuration and control of mixer for audio system using wireless docking system |
| 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 |
| 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 |
| WO2015017584A1 (en) * | 2013-07-30 | 2015-02-05 | Dts, Inc. | Matrix decoder with constant-power pairwise panning |
| EP3561809B1 (en) | 2013-09-12 | 2023-11-22 | Dolby International AB | Method for decoding and decoder. |
| TWI634547B (zh) * | 2013-09-12 | 2018-09-01 | 瑞典商杜比國際公司 | 在包含至少四音訊聲道的多聲道音訊系統中之解碼方法、解碼裝置、編碼方法以及編碼裝置以及包含電腦可讀取的媒體之電腦程式產品 |
| 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 |
| KR101841380B1 (ko) * | 2014-01-13 | 2018-03-22 | 노키아 테크놀로지스 오와이 | 다중-채널 오디오 신호 분류기 |
| JP6576458B2 (ja) * | 2015-03-03 | 2019-09-18 | ドルビー ラボラトリーズ ライセンシング コーポレイション | 変調された脱相関による空間的オーディオ信号の向上 |
| 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 |
| RU2749349C1 (ru) * | 2018-02-01 | 2021-06-09 | Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. | Кодер аудиосцены, декодер аудиосцены и соответствующие способы, использующие пространственный анализ с гибридным кодером/декодером |
| 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 |
| CN1307612C (zh) * | 2002-04-22 | 2007-03-28 | 皇家飞利浦电子股份有限公司 | 声频信号的编码解码方法、编码器、解码器及相关设备 |
| EP1671316B1 (en) * | 2003-09-29 | 2007-08-01 | 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 |
| KR101217649B1 (ko) | 2003-10-30 | 2013-01-02 | 돌비 인터네셔널 에이비 | 오디오 신호 인코딩 또는 디코딩 |
| 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 |
| KR100933548B1 (ko) * | 2005-04-15 | 2009-12-23 | 돌비 스웨덴 에이비 | 비상관 신호의 시간적 엔벨로프 정형화 |
| 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 ES ES06780055T patent/ES2433316T3/es active Active
- 2006-07-12 PL PL06780055T patent/PL1905006T3/pl unknown
- 2006-07-12 WO PCT/IB2006/052368 patent/WO2007010451A1/en not_active Ceased
- 2006-07-12 JP JP2008522125A patent/JP5171622B2/ja active Active
- 2006-07-12 RU RU2008106223/09A patent/RU2417458C2/ru active
- 2006-07-12 US US11/995,700 patent/US8160888B2/en active Active
- 2006-07-12 EP EP06780055.7A patent/EP1905006B1/en active Active
- 2006-07-12 BR BRPI0613734A patent/BRPI0613734B1/pt active IP Right Grant
- 2006-07-12 CN CN2006800264569A patent/CN101248483B/zh active Active
- 2006-07-12 KR KR1020087003925A patent/KR101356586B1/ko active Active
Also Published As
| Publication number | Publication date |
|---|---|
| JP5171622B2 (ja) | 2013-03-27 |
| US8160888B2 (en) | 2012-04-17 |
| RU2008106223A (ru) | 2009-08-27 |
| EP1905006B1 (en) | 2013-09-04 |
| ES2433316T3 (es) | 2013-12-10 |
| JP2009501957A (ja) | 2009-01-22 |
| EP1905006A1 (en) | 2008-04-02 |
| PL1905006T3 (pl) | 2014-02-28 |
| RU2417458C2 (ru) | 2011-04-27 |
| US20080201153A1 (en) | 2008-08-21 |
| KR101356586B1 (ko) | 2014-02-11 |
| CN101248483A (zh) | 2008-08-20 |
| WO2007010451A1 (en) | 2007-01-25 |
| CN101248483B (zh) | 2011-11-23 |
| KR20080033993A (ko) | 2008-04-17 |
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| B06G | Technical and formal requirements: other requirements [chapter 6.7 patent gazette] |
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| B25G | Requested change of headquarter approved |
Owner name: KONINKLIJKE PHILIPS ELECTRONICS N. V. (NL) , AGERE |
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| B25D | Requested change of name of applicant approved |
Owner name: KONINKLIJKE PHILIPS ELECTRONICS N. V. (NL) , AGERE |
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| B25D | Requested change of name of applicant approved |
Owner name: KONINKLIJKE PHILIPS ELECTRONICS N. V. (NL) , AGERE |
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| B15K | Others concerning applications: alteration of classification |
Free format text: AS CLASSIFICACOES ANTERIORES ERAM: G10L 19/00 , H04S 3/00 Ipc: G10L 19/008 (2013.01), H04S 3/00 (1980.01) |
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| B06T | Formal requirements before examination [chapter 6.20 patent gazette] | ||
| B06F | Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette] | ||
| B09A | Decision: intention to grant [chapter 9.1 patent gazette] | ||
| B16A | Patent or certificate of addition of invention granted [chapter 16.1 patent gazette] |
Free format text: PRAZO DE VALIDADE: 10 (DEZ) ANOS CONTADOS A PARTIR DE 22/10/2019, OBSERVADAS AS CONDICOES LEGAIS. |
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| B25G | Requested change of headquarter approved |
Owner name: AGERE SYSTEMS (US) ; KONINKLIJKE PHILIPS ELECTRONICS N. V. (NL) ; DOLBY INTERNATIONAL AB (IE) |