ATE531036T1 - Einrichtung und verfahren zur codierung durch hauptkomponentenanalyse eines mehrkanaligen audiosignals - Google Patents
Einrichtung und verfahren zur codierung durch hauptkomponentenanalyse eines mehrkanaligen audiosignalsInfo
- Publication number
- ATE531036T1 ATE531036T1 AT07731712T AT07731712T ATE531036T1 AT E531036 T1 ATE531036 T1 AT E531036T1 AT 07731712 T AT07731712 T AT 07731712T AT 07731712 T AT07731712 T AT 07731712T AT E531036 T1 ATE531036 T1 AT E531036T1
- Authority
- AT
- Austria
- Prior art keywords
- audio signal
- frequency sub
- channel audio
- coding
- component analysis
- Prior art date
Links
- 230000005236 sound signal Effects 0.000 title abstract 6
- 238000000034 method Methods 0.000 title abstract 2
- 230000009466 transformation Effects 0.000 abstract 3
- 238000000513 principal component analysis Methods 0.000 abstract 2
- 230000001131 transforming effect Effects 0.000 abstract 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
- G10L19/02—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 spectral analysis, e.g. transform vocoders or subband vocoders
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
- H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Computational Linguistics (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Acoustics & Sound (AREA)
- Mathematical Physics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Theoretical Computer Science (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Stereophonic System (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0650882 | 2006-03-15 | ||
PCT/FR2007/050896 WO2007104882A1 (fr) | 2006-03-15 | 2007-03-08 | Dispositif et procede de codage par analyse en composante principale d'un signal audio multi-canal |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE531036T1 true ATE531036T1 (de) | 2011-11-15 |
Family
ID=36999863
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT07731712T ATE531036T1 (de) | 2006-03-15 | 2007-03-08 | Einrichtung und verfahren zur codierung durch hauptkomponentenanalyse eines mehrkanaligen audiosignals |
Country Status (7)
Country | Link |
---|---|
US (1) | US8370134B2 (de) |
EP (1) | EP2005420B1 (de) |
JP (1) | JP5166292B2 (de) |
KR (1) | KR101339854B1 (de) |
CN (1) | CN101401152B (de) |
AT (1) | ATE531036T1 (de) |
WO (1) | WO2007104882A1 (de) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5425066B2 (ja) * | 2008-06-19 | 2014-02-26 | パナソニック株式会社 | 量子化装置、符号化装置およびこれらの方法 |
US8964994B2 (en) | 2008-12-15 | 2015-02-24 | Orange | Encoding of multichannel digital audio signals |
ES2435792T3 (es) * | 2008-12-15 | 2013-12-23 | Orange | Codificación perfeccionada de señales digitales de audio multicanal |
US9311925B2 (en) | 2009-10-12 | 2016-04-12 | Nokia Technologies Oy | Method, apparatus and computer program for processing multi-channel signals |
CN102714036B (zh) * | 2009-12-28 | 2014-01-22 | 松下电器产业株式会社 | 语音编码装置和语音编码方法 |
JP4810621B1 (ja) * | 2010-09-07 | 2011-11-09 | シャープ株式会社 | 音声信号変換装置、方法、プログラム、及び記録媒体 |
US9030921B2 (en) | 2011-06-06 | 2015-05-12 | General Electric Company | Increased spectral efficiency and reduced synchronization delay with bundled transmissions |
CN102682779B (zh) * | 2012-06-06 | 2013-07-24 | 武汉大学 | 面向3d音频的双声道编解码方法和编解码器 |
EP2688066A1 (de) * | 2012-07-16 | 2014-01-22 | Thomson Licensing | Verfahren und Vorrichtung zur Codierung von Mehrkanal-HOA-Audiosignalen zur Rauschreduzierung sowie Verfahren und Vorrichtung zur Decodierung von Mehrkanal-HOA-Audiosignalen zur Rauschreduzierung |
WO2014046916A1 (en) | 2012-09-21 | 2014-03-27 | Dolby Laboratories Licensing Corporation | Layered approach to spatial audio coding |
EP2800401A1 (de) | 2013-04-29 | 2014-11-05 | Thomson Licensing | Verfahren und Vorrichtung zur Komprimierung und Dekomprimierung einer High-Order-Ambisonics-Darstellung |
EP2860728A1 (de) * | 2013-10-09 | 2015-04-15 | Thomson Licensing | Verfahren und Vorrichtung zur Codierung und Decodierung gerichteter Nebeninformationen |
US10468036B2 (en) * | 2014-04-30 | 2019-11-05 | Accusonus, Inc. | Methods and systems for processing and mixing signals using signal decomposition |
CN105336333B (zh) * | 2014-08-12 | 2019-07-05 | 北京天籁传音数字技术有限公司 | 多声道声音信号编码方法、解码方法及装置 |
CN105336334B (zh) * | 2014-08-15 | 2021-04-02 | 北京天籁传音数字技术有限公司 | 多声道声音信号编码方法、解码方法及装置 |
CN105632505B (zh) * | 2014-11-28 | 2019-12-20 | 北京天籁传音数字技术有限公司 | 主成分分析pca映射模型的编解码方法及装置 |
CN105828271B (zh) * | 2015-01-09 | 2019-07-05 | 南京青衿信息科技有限公司 | 一种将两个声道声音信号转换成三个声道信号的方法 |
CN105530660A (zh) * | 2015-12-15 | 2016-04-27 | 厦门大学 | 一种基于主成分分析的信道建模方法及装置 |
KR102712458B1 (ko) * | 2019-12-09 | 2024-10-04 | 삼성전자주식회사 | 오디오 출력 장치 및 오디오 출력 장치의 제어 방법 |
FR3112015A1 (fr) * | 2020-06-30 | 2021-12-31 | Orange | Codage optimisé d’une information représentative d’une image spatiale d’un signal audio multicanal |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6292830B1 (en) * | 1997-08-08 | 2001-09-18 | Iterations Llc | System for optimizing interaction among agents acting on multiple levels |
US6016473A (en) * | 1998-04-07 | 2000-01-18 | Dolby; Ray M. | Low bit-rate spatial coding method and system |
SE0202159D0 (sv) * | 2001-07-10 | 2002-07-09 | Coding Technologies Sweden Ab | Efficientand scalable parametric stereo coding for low bitrate applications |
CA2354755A1 (en) * | 2001-08-07 | 2003-02-07 | Dspfactory Ltd. | Sound intelligibilty enhancement using a psychoacoustic model and an oversampled filterbank |
EP1500085B1 (de) * | 2002-04-10 | 2013-02-20 | Koninklijke Philips Electronics N.V. | Kodierung von stereosignalen |
KR100981694B1 (ko) * | 2002-04-10 | 2010-09-13 | 코닌클리케 필립스 일렉트로닉스 엔.브이. | 스테레오 신호들의 코딩 |
JP4322207B2 (ja) * | 2002-07-12 | 2009-08-26 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | オーディオ符号化方法 |
US7333622B2 (en) * | 2002-10-18 | 2008-02-19 | The Regents Of The University Of California | Dynamic binaural sound capture and reproduction |
US7725324B2 (en) * | 2003-12-19 | 2010-05-25 | Telefonaktiebolaget Lm Ericsson (Publ) | Constrained filter encoding of polyphonic signals |
CN1973319B (zh) | 2004-06-21 | 2010-12-01 | 皇家飞利浦电子股份有限公司 | 编码和解码多通道音频信号的方法和设备 |
JP5238256B2 (ja) * | 2004-11-04 | 2013-07-17 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 多チャンネル音声信号の符号化及び復号化 |
US7751572B2 (en) * | 2005-04-15 | 2010-07-06 | Dolby International Ab | Adaptive residual audio coding |
US7831434B2 (en) * | 2006-01-20 | 2010-11-09 | Microsoft Corporation | Complex-transform channel coding with extended-band frequency coding |
-
2007
- 2007-03-08 EP EP07731712A patent/EP2005420B1/de active Active
- 2007-03-08 AT AT07731712T patent/ATE531036T1/de not_active IP Right Cessation
- 2007-03-08 KR KR1020087025150A patent/KR101339854B1/ko active Active
- 2007-03-08 JP JP2008558859A patent/JP5166292B2/ja active Active
- 2007-03-08 WO PCT/FR2007/050896 patent/WO2007104882A1/fr active Application Filing
- 2007-03-08 CN CN2007800087003A patent/CN101401152B/zh active Active
- 2007-03-08 US US12/293,041 patent/US8370134B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
US20090083044A1 (en) | 2009-03-26 |
JP2009530651A (ja) | 2009-08-27 |
CN101401152A (zh) | 2009-04-01 |
KR20080104065A (ko) | 2008-11-28 |
EP2005420A1 (de) | 2008-12-24 |
CN101401152B (zh) | 2012-04-18 |
KR101339854B1 (ko) | 2014-02-06 |
US8370134B2 (en) | 2013-02-05 |
EP2005420B1 (de) | 2011-10-26 |
WO2007104882A1 (fr) | 2007-09-20 |
JP5166292B2 (ja) | 2013-03-21 |
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RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |