CN101248483B - 多声道音频信号的生成 - Google Patents
多声道音频信号的生成 Download PDFInfo
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- CN101248483B CN101248483B CN2006800264569A CN200680026456A CN101248483B CN 101248483 B CN101248483 B CN 101248483B CN 2006800264569 A CN2006800264569 A CN 2006800264569A CN 200680026456 A CN200680026456 A CN 200680026456A CN 101248483 B CN101248483 B CN 101248483B
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- 238000000034 method Methods 0.000 claims description 22
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- 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
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- 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S3/00—Systems employing more than two channels, e.g. quadraphonic
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- 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
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- 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)
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Abstract
Description
Claims (19)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP05106612.4 | 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 (2)
Publication Number | Publication Date |
---|---|
CN101248483A CN101248483A (zh) | 2008-08-20 |
CN101248483B true CN101248483B (zh) | 2011-11-23 |
Family
ID=37398669
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2006800264569A Active CN101248483B (zh) | 2005-07-19 | 2006-07-12 | 多声道音频信号的生成 |
Country Status (10)
Country | Link |
---|---|
US (1) | US8160888B2 (zh) |
EP (1) | EP1905006B1 (zh) |
JP (1) | JP5171622B2 (zh) |
KR (1) | KR101356586B1 (zh) |
CN (1) | CN101248483B (zh) |
BR (1) | BRPI0613734B1 (zh) |
ES (1) | ES2433316T3 (zh) |
PL (1) | PL1905006T3 (zh) |
RU (1) | RU2417458C2 (zh) |
WO (1) | WO2007010451A1 (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11776552B2 (en) | 2013-09-12 | 2023-10-03 | Dolby International Ab | Methods and apparatus for decoding encoded audio signal(s) |
Families Citing this family (22)
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 |
CN101484936B (zh) * | 2006-03-29 | 2012-02-15 | 皇家飞利浦电子股份有限公司 | 音频解码 |
US8811621B2 (en) | 2008-05-23 | 2014-08-19 | Koninklijke Philips N.V. | 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 |
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 |
CA2736709C (en) * | 2008-09-11 | 2016-11-01 | 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 |
CN103947224B (zh) * | 2011-11-23 | 2017-10-31 | 皇家飞利浦有限公司 | 使用无线对接***配置和控制音频***的混合器的方法和设备 |
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 |
PL3028474T3 (pl) * | 2013-07-30 | 2019-06-28 | Dts, Inc. | Dekoder matrycowy z panoramowaniem parami o stałej mocy |
TWI713018B (zh) | 2013-09-12 | 2020-12-11 | 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 |
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 |
CN106104684A (zh) * | 2014-01-13 | 2016-11-09 | 诺基亚技术有限公司 | 多通道音频信号分类器 |
ES2922373T3 (es) * | 2015-03-03 | 2022-09-14 | Dolby Laboratories Licensing Corp | Realce de señales de audio espacial por decorrelación modulada |
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 |
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*** |
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*** |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1178552C (zh) * | 1997-05-29 | 2004-12-01 | 索尼公司 | 声场校正电路及其方法 |
Family Cites Families (14)
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 |
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 |
ES2323294T3 (es) * | 2002-04-22 | 2009-07-10 | Koninklijke Philips Electronics N.V. | Dispositivo de decodificacion con una unidad de decorrelacion. |
CN1860526B (zh) | 2003-09-29 | 2010-06-16 | 皇家飞利浦电子股份有限公司 | 音频信号编码 |
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 |
BR122018007834B1 (pt) | 2003-10-30 | 2019-03-19 | Koninklijke Philips Electronics N.V. | Codificador e decodificador de áudio avançado de estéreo paramétrico combinado e de replicação de banda espectral, método de codificação avançada de áudio de estéreo paramétrico combinado e de replicação de banda espectral, sinal de áudio avançado codificado de estéreo paramétrico combinado e de replicação de banda espectral, método de decodificação avançada de áudio de estéreo paramétrico combinado e de replicação de banda espectral, e, meio de armazenamento legível por computador |
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 |
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2006
- 2006-07-12 JP JP2008522125A patent/JP5171622B2/ja active Active
- 2006-07-12 PL PL06780055T patent/PL1905006T3/pl unknown
- 2006-07-12 BR BRPI0613734A patent/BRPI0613734B1/pt active IP Right Grant
- 2006-07-12 RU RU2008106223/09A patent/RU2417458C2/ru active
- 2006-07-12 CN CN2006800264569A patent/CN101248483B/zh active Active
- 2006-07-12 WO PCT/IB2006/052368 patent/WO2007010451A1/en active Application Filing
- 2006-07-12 KR KR1020087003925A patent/KR101356586B1/ko active IP Right Grant
- 2006-07-12 US US11/995,700 patent/US8160888B2/en active Active
- 2006-07-12 ES ES06780055T patent/ES2433316T3/es active Active
- 2006-07-12 EP EP06780055.7A patent/EP1905006B1/en active Active
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1178552C (zh) * | 1997-05-29 | 2004-12-01 | 索尼公司 | 声场校正电路及其方法 |
Non-Patent Citations (1)
Title |
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US2003/0040822A1 2003.02.27 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11776552B2 (en) | 2013-09-12 | 2023-10-03 | Dolby International Ab | Methods and apparatus for decoding encoded audio signal(s) |
Also Published As
Publication number | Publication date |
---|---|
EP1905006B1 (en) | 2013-09-04 |
CN101248483A (zh) | 2008-08-20 |
WO2007010451A1 (en) | 2007-01-25 |
BRPI0613734B1 (pt) | 2019-10-22 |
US20080201153A1 (en) | 2008-08-21 |
KR20080033993A (ko) | 2008-04-17 |
RU2417458C2 (ru) | 2011-04-27 |
KR101356586B1 (ko) | 2014-02-11 |
PL1905006T3 (pl) | 2014-02-28 |
JP5171622B2 (ja) | 2013-03-27 |
JP2009501957A (ja) | 2009-01-22 |
RU2008106223A (ru) | 2009-08-27 |
ES2433316T3 (es) | 2013-12-10 |
US8160888B2 (en) | 2012-04-17 |
EP1905006A1 (en) | 2008-04-02 |
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Address after: Holland Ian Deho Finn Co-patentee after: Dolby International Ltd. Patentee after: KONINKLIJKE PHILIPS ELECTRONICS N.V. Co-patentee after: AGERE SYSTEMS Inc. Address before: Holland Ian Deho Finn Co-patentee before: Dolby Sweden AB Patentee before: Koninklijke Philips Electronics N.V. Co-patentee before: AGERE SYSTEMS Inc. Address after: Holland Ian Deho Finn Co-patentee after: Dolby Sweden AB Patentee after: KONINKLIJKE PHILIPS ELECTRONICS N.V. Co-patentee after: AGERE SYSTEMS Inc. Address before: Holland Ian Deho Finn Co-patentee before: CODING TECH AB Patentee before: Koninklijke Philips Electronics N.V. Co-patentee before: AGERE SYSTEMS Inc. |