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
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
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 (16)
| 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) |
| HK (1) | HK1163913A1 (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 (20)
| 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 |
| CN110223701B (zh) * | 2012-08-03 | 2024-04-09 | 弗劳恩霍夫应用研究促进协会 | 用于从缩混信号产生音频输出信号的解码器和方法 |
| 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 |
| MX347100B (es) | 2012-12-04 | 2017-04-12 | Samsung Electronics Co Ltd | Aparato de suministro de audio y método de suministro de audio. |
| JP6046274B2 (ja) | 2013-02-14 | 2016-12-14 | 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 | 上方混合されたオーディオ信号のチャネル間コヒーレンスの制御方法 |
| WO2014126688A1 (en) | 2013-02-14 | 2014-08-21 | Dolby Laboratories Licensing Corporation | Methods for audio signal transient detection and decorrelation control |
| 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 |
| 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 |
| CN110223702B (zh) * | 2013-05-24 | 2023-04-11 | 杜比国际公司 | 音频解码系统和重构方法 |
| EP2830052A1 (en) | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio decoder, audio encoder, method for providing at least four audio channel signals on the basis of an encoded representation, method for providing an encoded representation on the basis of at least four audio channel signals and computer program using a bandwidth extension |
| EP2854133A1 (en) * | 2013-09-27 | 2015-04-01 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Generation of a downmix signal |
| EP3061089B1 (en) * | 2013-10-21 | 2018-01-17 | Dolby International AB | Parametric reconstruction of audio signals |
| RU2641463C2 (ru) | 2013-10-21 | 2018-01-17 | Долби Интернэшнл Аб | Структура декоррелятора для параметрического восстановления звуковых сигналов |
| EP2963648A1 (en) * | 2014-07-01 | 2016-01-06 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio processor and method for processing an audio signal using vertical phase correction |
| 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 |
| BR112017008015B1 (pt) * | 2014-10-31 | 2023-11-14 | Dolby International Ab | Métodos e sistemas de decodificação e codificação de áudio |
| 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 |
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 |
| EP1500084B1 (en) * | 2002-04-22 | 2008-01-23 | Koninklijke Philips Electronics N.V. | Parametric representation of spatial audio |
| BRPI0304542B1 (pt) * | 2002-04-22 | 2018-05-08 | Koninklijke Philips Nv | Método e codificador para codificar um sinal de áudio de multicanal, sinal de áudio multicanal codificado, e, método e decodificador para decodificar um sinal de áudio de multicanal codificado |
| 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 |
| WO2006132857A2 (en) | 2005-06-03 | 2006-12-14 | 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 |
| US8208641B2 (en) * | 2006-01-19 | 2012-06-26 | 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 |
| AU2008243406B2 (en) * | 2007-04-26 | 2011-08-25 | Dolby International Ab | Apparatus and method for synthesizing an output signal |
| 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 EP EP10700735.3A patent/EP2382624B1/en active Active
- 2010-01-12 KR KR1020117017660A patent/KR101290461B1/ko active IP Right Grant
- 2010-01-12 WO PCT/EP2010/050287 patent/WO2010086218A1/en active Application Filing
- 2010-01-12 MX MX2011007923A patent/MX2011007923A/es active IP Right Grant
- 2010-01-12 CA CA2750451A patent/CA2750451C/en active Active
- 2010-01-12 CN CN2010800096860A patent/CN102334158B/zh active Active
- 2010-01-12 JP JP2011546745A patent/JP5490143B2/ja active Active
- 2010-01-12 AU AU2010209872A patent/AU2010209872B2/en active Active
- 2010-01-12 RU RU2011133697/08A patent/RU2547221C2/ru active
- 2010-01-12 PT PT107007353T patent/PT2382624T/pt unknown
- 2010-01-12 ES ES10700735.3T patent/ES2596319T3/es active Active
- 2010-01-12 PL PL10700735T patent/PL2382624T3/pl unknown
- 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
-
2012
- 2012-04-27 HK HK12104172.8A patent/HK1163913A1/zh unknown
Also Published As
| Publication number | Publication date |
|---|---|
| US20120020499A1 (en) | 2012-01-26 |
| EP2382624A1 (en) | 2011-11-02 |
| PT2382624T (pt) | 2016-09-29 |
| ES2596319T3 (es) | 2017-01-05 |
| JP5490143B2 (ja) | 2014-05-14 |
| TWI415113B (zh) | 2013-11-11 |
| WO2010086218A1 (en) | 2010-08-05 |
| CN102334158A (zh) | 2012-01-25 |
| CA2750451C (en) | 2015-05-12 |
| TW201032217A (en) | 2010-09-01 |
| AR075162A1 (es) | 2011-03-16 |
| AU2010209872A1 (en) | 2011-08-25 |
| JP2012516596A (ja) | 2012-07-19 |
| US9099078B2 (en) | 2015-08-04 |
| AU2010209872B2 (en) | 2013-06-20 |
| HK1163913A1 (zh) | 2012-09-14 |
| KR20110114605A (ko) | 2011-10-19 |
| CA2750451A1 (en) | 2010-08-05 |
| EP2382624B1 (en) | 2016-08-17 |
| RU2547221C2 (ru) | 2015-04-10 |
| EP2214162A1 (en) | 2010-08-04 |
| MX2011007923A (es) | 2011-08-17 |
| RU2011133697A (ru) | 2013-03-10 |
| KR101290461B1 (ko) | 2013-07-26 |
| CN102334158B (zh) | 2013-07-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| HK1163913A1 (zh) | 用於把下混音頻信號向上混合的向上混合器、方法與計算機程序 | |
| HK1163912A1 (en) | Apparatus, method and computer program for upmixing a downmix audio signal | |
| HK1247431A1 (zh) | 音頻編碼器、把一個音頻信號編碼的方法及計算機程序 | |
| HK1166174A1 (en) | Apparatus, method and computer program for upmixing a downmix audio signal using a phase value smoothing | |
| PL2483887T3 (pl) | Dekoder sygnału audio MPEG-SAOC, sposób dostarczania reprezentacji sygnału upmixu z wykorzystaniem dekodowania MPEG-SAOC oraz program komputerowy wykorzystujący wspólną wartość parametru korelacji międzyobiektowej uzależnioną od czasu/częstotliwości | |
| PL2346029T3 (pl) | Koder sygnału audio, sposób kodowania sygnału audio i odpowiadający mu program komputerowy | |
| HK1160285A1 (en) | Audio encoder, method for encoding an audio signal and computer program | |
| PT2410522T (pt) | Codificador de sinal de áudio, método para codificar um sinal de áudio e programa de computador | |
| HK1175580A1 (en) | Apparatus for providing an upmix signal representation on the basis of a downmix signal representation, apparatus for providing a bitstream representing a multichannel audio signal, methods, computer program and bitstream using a distortion control signaling | |
| PL2489038T3 (pl) | Urządzenie do dostarczania reprezentacji sygnału upmixu na bazie reprezentacji sygnału downmixu, urządzenie do dostarczania strumienia bitów reprezentującego wielokanałowy sygnał audio, sposoby, programy komputerowe i strumień bitów reprezentujący wielokanałowy sygnał audio z zastosowaniem parametru kombinacji liniowej | |
| HK1166415A1 (en) | Device, method and computer program for manipulating an audio signal | |
| EP2148321A4 (en) | SYSTEM FOR SEPARATING SOUND SOURCES, METHOD FOR SEPARATING SOUND SOURCES, AND COMPUTER PROGRAM FOR SEPARATING SOUND SOURCES | |
| HK1151883A1 (en) | Audio signal decoder, audio signal encoder, encoded multi-channel audio signal representation, methods and computer program | |
| HK1162080A1 (zh) | 用於操縱包括暫態事件的音頻信號的裝置、方法和計算機程序 | |
| EP2550809B8 (en) | Techniques for localized perceptual audio | |
| PT2673772E (pt) | Método, programa de computador e aparelho para a deteção de um sinal com marca de água e descodificação de um sinal de voz ou de áudio | |
| PL2513897T3 (pl) | System dźwiękowy, sposób generowania sygnału dźwiękowego i odpowiedni program komputerowy | |
| EP2543199A4 (en) | METHOD AND APPARATUS FOR MIXING LIFT OF TWO-CHANNEL AUDIO SIGNAL | |
| EP2449754A4 (en) | Apparatus, method and computer program for controlling an acoustic signal | |
| EP2378768A4 (en) | METHOD, DEVICE AND SYSTEM FOR MULTI-CHANNEL TONE SIGNAL PROCESSING | |
| EP2036089A4 (en) | COMPUTER, COMPUTER PROGRAM PRODUCT, AND METHOD FOR PROVIDING AUDIO OUTPUT SIGNAL | |
| HK1176774A1 (zh) | 用於擴音器的環繞件、音頻驅動器及擴音器 | |
| EP2489036A4 (en) | METHOD, DEVICE AND COMPUTER PROGRAM FOR PROCESSING MULTI-CHANNEL TONE SIGNALS | |
| HK1231619A1 (zh) | 音頻信號解碼器、音頻信號編碼器、提供上混信號表示的方法、提供下混信號表示的方法、使用共有的物件間相關參數值的電腦程式以及比特流 | |
| PT3093843T (pt) | Descodificador de sinal de áudio mpeg-saoc, codificador de sinal de áudio mpeg-saoc, método para fornecer uma representação de sinal de upmix usando descodificação mpeg-saoc, método para fornecer uma representação de sinal de downmix usando descodificação mpeg-saoc, e programa de comutador usando um valor de parâmetro de correlação inter-objeto comum dependente de tempo/frequência |