PL2382624T3 - Moduł upmixu, sposób i program komputerowy do upmixu sygnału audio downmixu - Google Patents
Moduł upmixu, sposób i program komputerowy do upmixu sygnału audio downmixuInfo
- Publication number
- PL2382624T3 PL2382624T3 PL10700735T PL10700735T PL2382624T3 PL 2382624 T3 PL2382624 T3 PL 2382624T3 PL 10700735 T PL10700735 T PL 10700735T PL 10700735 T PL10700735 T PL 10700735T PL 2382624 T3 PL2382624 T3 PL 2382624T3
- Authority
- PL
- Poland
- Prior art keywords
- upmixer
- upmixing
- computer program
- audio signal
- downmix audio
- Prior art date
Links
- 238000004590 computer program Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- 230000005236 sound signal Effects 0.000 title 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
-
- 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
- H04S—STEREOPHONIC SYSTEMS
- H04S3/00—Systems employing more than two channels, e.g. quadraphonic
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Acoustics & Sound (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Health & Medical Sciences (AREA)
- Computational Linguistics (AREA)
- Human Computer Interaction (AREA)
- Mathematical Physics (AREA)
- Multimedia (AREA)
- Theoretical Computer Science (AREA)
- Stereophonic System (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US14781009P | 2009-01-28 | 2009-01-28 | |
| EP09012285A EP2214162A1 (en) | 2009-01-28 | 2009-09-28 | Upmixer, method and computer program for upmixing a downmix audio signal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| PL2382624T3 true PL2382624T3 (pl) | 2017-02-28 |
Family
ID=41278722
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL10700735T PL2382624T3 (pl) | 2009-01-28 | 2010-01-12 | Moduł upmixu, sposób i program komputerowy do upmixu sygnału audio downmixu |
Country Status (15)
| Country | Link |
|---|---|
| US (1) | US9099078B2 (pl) |
| EP (2) | EP2214162A1 (pl) |
| JP (1) | JP5490143B2 (pl) |
| KR (1) | KR101290461B1 (pl) |
| CN (1) | CN102334158B (pl) |
| AR (1) | AR075162A1 (pl) |
| AU (1) | AU2010209872B2 (pl) |
| CA (1) | CA2750451C (pl) |
| ES (1) | ES2596319T3 (pl) |
| MX (1) | MX2011007923A (pl) |
| PL (1) | PL2382624T3 (pl) |
| PT (1) | PT2382624T (pl) |
| RU (1) | RU2547221C2 (pl) |
| TW (1) | TWI415113B (pl) |
| WO (1) | WO2010086218A1 (pl) |
Families Citing this family (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2214162A1 (en) | 2009-01-28 | 2010-08-04 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Upmixer, method and computer program for upmixing a downmix audio signal |
| FR2966634A1 (fr) * | 2010-10-22 | 2012-04-27 | France Telecom | Codage/decodage parametrique stereo ameliore pour les canaux en opposition de phase |
| KR101842257B1 (ko) * | 2011-09-14 | 2018-05-15 | 삼성전자주식회사 | 신호 처리 방법, 그에 따른 엔코딩 장치, 및 그에 따른 디코딩 장치 |
| PL2880654T3 (pl) * | 2012-08-03 | 2018-03-30 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Dekoder i sposób realizacji uogólnionej parametrycznej koncepcji kodowania przestrzennych obiektów audio dla przypadków wielokanałowego downmixu/upmixu |
| KR20140027831A (ko) * | 2012-08-27 | 2014-03-07 | 삼성전자주식회사 | 오디오 신호 전송 장치 및 그의 오디오 신호 전송 방법, 그리고 오디오 신호 수신 장치 및 그의 오디오 소스 추출 방법 |
| BR112015013154B1 (pt) | 2012-12-04 | 2022-04-26 | Samsung Electronics Co., Ltd | Aparelho fornecedor de áudio, e método fornecedor de áudio |
| US9830917B2 (en) | 2013-02-14 | 2017-11-28 | Dolby Laboratories Licensing Corporation | Methods for audio signal transient detection and decorrelation control |
| 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 |
| TWI618051B (zh) | 2013-02-14 | 2018-03-11 | 杜比實驗室特許公司 | 用於利用估計之空間參數的音頻訊號增強的音頻訊號處理方法及裝置 |
| EP2956935B1 (en) | 2013-02-14 | 2017-01-04 | Dolby Laboratories Licensing Corporation | Controlling the inter-channel coherence of upmixed audio signals |
| BR112015028914B1 (pt) * | 2013-05-24 | 2021-12-07 | Dolby International Ab | Método e aparelho para reconstruir um bloco de tempo/frequência de objetos de áudio n, método e codificador para gerar pelo menos um parâmetro de ponderação, e meio legível por computador |
| EP2830051A3 (en) | 2013-07-22 | 2015-03-04 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoder, audio decoder, methods and computer program using jointly encoded residual signals |
| EP2854133A1 (en) * | 2013-09-27 | 2015-04-01 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Generation of a downmix signal |
| KR102244379B1 (ko) | 2013-10-21 | 2021-04-26 | 돌비 인터네셔널 에이비 | 오디오 신호들의 파라메트릭 재구성 |
| KR101805327B1 (ko) * | 2013-10-21 | 2017-12-05 | 돌비 인터네셔널 에이비 | 오디오 신호들의 파라메트릭 재구성을 위한 역상관기 구조 |
| EP2963646A1 (en) | 2014-07-01 | 2016-01-06 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Decoder and method for decoding an audio signal, encoder and method for encoding an audio signal |
| TWI587286B (zh) | 2014-10-31 | 2017-06-11 | 杜比國際公司 | 音頻訊號之解碼和編碼的方法及系統、電腦程式產品、與電腦可讀取媒體 |
| WO2016066743A1 (en) * | 2014-10-31 | 2016-05-06 | Dolby International Ab | Parametric encoding and decoding of multichannel audio signals |
| US10306391B1 (en) | 2017-12-18 | 2019-05-28 | Apple Inc. | Stereophonic to monophonic down-mixing |
| EP3550561A1 (en) * | 2018-04-06 | 2019-10-09 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Downmixer, audio encoder, method and computer program applying a phase value to a magnitude value |
| TWI866996B (zh) | 2019-06-26 | 2024-12-21 | 美商杜拜研究特許公司 | 具有改善頻率解析度的低延遲音訊濾波器組 |
| UA129473C2 (uk) | 2019-09-03 | 2025-05-07 | Долбі Лабораторіс Лайсензін Корпорейшн | Банк аудіофільтрів із декореляційними компонентами |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7583805B2 (en) * | 2004-02-12 | 2009-09-01 | Agere Systems Inc. | Late reverberation-based synthesis of auditory scenes |
| JP4714415B2 (ja) * | 2002-04-22 | 2011-06-29 | 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 | パラメータによるマルチチャンネルオーディオ表示 |
| EP1500084B1 (en) * | 2002-04-22 | 2008-01-23 | Koninklijke Philips Electronics N.V. | Parametric representation of spatial 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 |
| ATE390683T1 (de) * | 2004-03-01 | 2008-04-15 | Dolby Lab Licensing Corp | Mehrkanalige audiocodierung |
| US7457497B2 (en) | 2004-08-05 | 2008-11-25 | Sumitomo Electric Industries, Ltd. | Optical multiplexer/demultiplexer and optical communication system |
| US7283634B2 (en) | 2004-08-31 | 2007-10-16 | Dts, Inc. | Method of mixing audio channels using correlated outputs |
| SE0402649D0 (sv) | 2004-11-02 | 2004-11-02 | Coding Tech Ab | Advanced methods of creating orthogonal signals |
| SE0402652D0 (sv) * | 2004-11-02 | 2004-11-02 | Coding Tech Ab | Methods for improved performance of prediction based multi- channel reconstruction |
| JP2006337767A (ja) * | 2005-06-02 | 2006-12-14 | Matsushita Electric Ind Co Ltd | 低演算量パラメトリックマルチチャンネル復号装置および方法 |
| EP1927102A2 (en) * | 2005-06-03 | 2008-06-04 | Dolby Laboratories Licensing Corporation | Apparatus and method for encoding audio signals with decoding instructions |
| TWI396188B (zh) * | 2005-08-02 | 2013-05-11 | Dolby Lab Licensing Corp | 依聆聽事件之函數控制空間音訊編碼參數的技術 |
| WO2007083952A1 (en) * | 2006-01-19 | 2007-07-26 | Lg Electronics Inc. | Method and apparatus for processing a media signal |
| KR101453732B1 (ko) * | 2007-04-16 | 2014-10-24 | 삼성전자주식회사 | 스테레오 신호 및 멀티 채널 신호 부호화 및 복호화 방법및 장치 |
| JP5133401B2 (ja) * | 2007-04-26 | 2013-01-30 | ドルビー・インターナショナル・アクチボラゲット | 出力信号の合成装置及び合成方法 |
| EP2214162A1 (en) | 2009-01-28 | 2010-08-04 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Upmixer, method and computer program for upmixing a downmix audio signal |
-
2009
- 2009-09-28 EP EP09012285A patent/EP2214162A1/en not_active Withdrawn
-
2010
- 2010-01-12 ES ES10700735.3T patent/ES2596319T3/es active Active
- 2010-01-12 JP JP2011546745A patent/JP5490143B2/ja active Active
- 2010-01-12 RU RU2011133697/08A patent/RU2547221C2/ru active
- 2010-01-12 MX MX2011007923A patent/MX2011007923A/es active IP Right Grant
- 2010-01-12 AU AU2010209872A patent/AU2010209872B2/en active Active
- 2010-01-12 CN CN2010800096860A patent/CN102334158B/zh active Active
- 2010-01-12 WO PCT/EP2010/050287 patent/WO2010086218A1/en not_active Ceased
- 2010-01-12 CA CA2750451A patent/CA2750451C/en active Active
- 2010-01-12 PT PT107007353T patent/PT2382624T/pt unknown
- 2010-01-12 PL PL10700735T patent/PL2382624T3/pl unknown
- 2010-01-12 EP EP10700735.3A patent/EP2382624B1/en active Active
- 2010-01-12 KR KR1020117017660A patent/KR101290461B1/ko active Active
- 2010-01-13 TW TW099100787A patent/TWI415113B/zh active
- 2010-01-26 AR ARP100100164A patent/AR075162A1/es active IP Right Grant
-
2011
- 2011-07-26 US US13/191,236 patent/US9099078B2/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN102334158A (zh) | 2012-01-25 |
| US20120020499A1 (en) | 2012-01-26 |
| PT2382624T (pt) | 2016-09-29 |
| AU2010209872B2 (en) | 2013-06-20 |
| AR075162A1 (es) | 2011-03-16 |
| TW201032217A (en) | 2010-09-01 |
| RU2547221C2 (ru) | 2015-04-10 |
| AU2010209872A1 (en) | 2011-08-25 |
| JP2012516596A (ja) | 2012-07-19 |
| KR101290461B1 (ko) | 2013-07-26 |
| CA2750451A1 (en) | 2010-08-05 |
| CN102334158B (zh) | 2013-07-24 |
| US9099078B2 (en) | 2015-08-04 |
| JP5490143B2 (ja) | 2014-05-14 |
| EP2214162A1 (en) | 2010-08-04 |
| RU2011133697A (ru) | 2013-03-10 |
| ES2596319T3 (es) | 2017-01-05 |
| HK1163913A1 (zh) | 2012-09-14 |
| MX2011007923A (es) | 2011-08-17 |
| CA2750451C (en) | 2015-05-12 |
| WO2010086218A1 (en) | 2010-08-05 |
| KR20110114605A (ko) | 2011-10-19 |
| EP2382624B1 (en) | 2016-08-17 |
| EP2382624A1 (en) | 2011-11-02 |
| TWI415113B (zh) | 2013-11-11 |
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