JP5122681B2 - パラメトリックステレオアップミクス装置、パラメトリックステレオデコーダ、パラメトリックステレオダウンミクス装置、及びパラメトリックステレオエンコーダ - Google Patents
パラメトリックステレオアップミクス装置、パラメトリックステレオデコーダ、パラメトリックステレオダウンミクス装置、及びパラメトリックステレオエンコーダ Download PDFInfo
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- JP5122681B2 JP5122681B2 JP2011510076A JP2011510076A JP5122681B2 JP 5122681 B2 JP5122681 B2 JP 5122681B2 JP 2011510076 A JP2011510076 A JP 2011510076A JP 2011510076 A JP2011510076 A JP 2011510076A JP 5122681 B2 JP5122681 B2 JP 5122681B2
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- parametric stereo
- downmix
- monaural
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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
- G10L19/018—Audio watermarking, i.e. embedding inaudible data in the audio signal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S5/00—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation
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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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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S3/00—Systems employing more than two channels, e.g. quadraphonic
- H04S3/02—Systems employing more than two channels, e.g. quadraphonic of the matrix type, i.e. in which input signals are combined algebraically, e.g. after having been phase shifted with respect to each other
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
- H04S2400/03—Aspects of down-mixing multi-channel audio to configurations with lower numbers of playback channels, e.g. 7.1 -> 5.1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S2420/00—Techniques used stereophonic systems covered by H04S but not provided for in its groups
- H04S2420/03—Application of parametric coding in stereophonic audio systems
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Mathematical Physics (AREA)
- Multimedia (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Health & Medical Sciences (AREA)
- Computational Linguistics (AREA)
- Algebra (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Pure & Applied Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Stereophonic System (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP08156801 | 2008-05-23 | ||
| EP08156801.6 | 2008-05-23 | ||
| PCT/IB2009/052009 WO2009141775A1 (en) | 2008-05-23 | 2009-05-14 | A parametric stereo upmix apparatus, a parametric stereo decoder, a parametric stereo downmix apparatus, a parametric stereo encoder |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2011522472A JP2011522472A (ja) | 2011-07-28 |
| JP2011522472A5 JP2011522472A5 (enExample) | 2012-10-18 |
| JP5122681B2 true JP5122681B2 (ja) | 2013-01-16 |
Family
ID=40943873
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2011510076A Active JP5122681B2 (ja) | 2008-05-23 | 2009-05-14 | パラメトリックステレオアップミクス装置、パラメトリックステレオデコーダ、パラメトリックステレオダウンミクス装置、及びパラメトリックステレオエンコーダ |
Country Status (10)
| Country | Link |
|---|---|
| US (6) | US8811621B2 (enExample) |
| EP (1) | EP2283483B1 (enExample) |
| JP (1) | JP5122681B2 (enExample) |
| KR (1) | KR101629862B1 (enExample) |
| CN (1) | CN102037507B (enExample) |
| BR (3) | BR122020009732B1 (enExample) |
| MX (1) | MX2010012580A (enExample) |
| RU (1) | RU2497204C2 (enExample) |
| TW (1) | TWI484477B (enExample) |
| WO (1) | WO2009141775A1 (enExample) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8472789B2 (en) | 2010-10-05 | 2013-06-25 | Panasonic Corporation | Image editing apparatus, image editing method, and image editing program |
| US8625668B2 (en) | 2006-01-10 | 2014-01-07 | Kabushiki Kaisha Toshiba | Information processing apparatus and video decoding method of information processing apparatus |
| US11545165B2 (en) | 2018-07-03 | 2023-01-03 | Panasonic Intellectual Property Corporation Of America | Encoding device and encoding method using a determined prediction parameter based on an energy difference between channels |
Families Citing this family (51)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN101826326B (zh) * | 2009-03-04 | 2012-04-04 | 华为技术有限公司 | 一种立体声编码方法、装置和编码器 |
| KR20110018107A (ko) * | 2009-08-17 | 2011-02-23 | 삼성전자주식회사 | 레지듀얼 신호 인코딩 및 디코딩 방법 및 장치 |
| BR112012007138B1 (pt) * | 2009-09-29 | 2021-11-30 | Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. | Decodificador de sinal de áudio, codificador de sinal de áudio, método para prover uma representação de mescla ascendente de sinal, método para prover uma representação de mescla descendente de sinal e fluxo de bits usando um valor de parâmetro comum de correlação intra- objetos |
| TWI444989B (zh) | 2010-01-22 | 2014-07-11 | Dolby Lab Licensing Corp | 針對改良多通道上混使用多通道解相關之技術 |
| WO2011104146A1 (en) * | 2010-02-24 | 2011-09-01 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus for generating an enhanced downmix signal, method for generating an enhanced downmix signal and computer program |
| ES2656815T3 (es) * | 2010-03-29 | 2018-02-28 | Fraunhofer-Gesellschaft Zur Förderung Der Angewandten Forschung | Procesador de audio espacial y procedimiento para proporcionar parámetros espaciales en base a una señal de entrada acústica |
| EP2375409A1 (en) * | 2010-04-09 | 2011-10-12 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoder, audio decoder and related methods for processing multi-channel audio signals using complex prediction |
| AU2016222372B2 (en) * | 2010-04-09 | 2018-06-28 | Dolby International Ab | Mdct-based complex prediction stereo coding |
| BR122019013299B1 (pt) | 2010-04-09 | 2021-01-05 | Dolby International Ab | aparelho e método para emitir um sinal de áudio esterofônico possuindo um canal esquerdo e um canal direito e meio legível por computador não transitório |
| EP4404561A3 (en) | 2010-04-13 | 2024-08-21 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio decoding method for processing stereo audio signals using a variable prediction direction |
| CN102314882B (zh) * | 2010-06-30 | 2012-10-17 | 华为技术有限公司 | 声音信号通道间延时估计的方法及装置 |
| FR2966634A1 (fr) * | 2010-10-22 | 2012-04-27 | France Telecom | Codage/decodage parametrique stereo ameliore pour les canaux en opposition de phase |
| US8654984B2 (en) | 2011-04-26 | 2014-02-18 | Skype | Processing stereophonic audio signals |
| JP6133413B2 (ja) | 2012-06-14 | 2017-05-24 | ドルビー・インターナショナル・アーベー | マルチチャネル・オーディオのためのなめらかな構成切り換え |
| MY176410A (en) | 2012-08-03 | 2020-08-06 | Fraunhofer Ges Forschung | Decoder and method for a generalized spatial-audio-object-coding parametric concept for multichannel downmix/upmix cases |
| IN2015MN01874A (enExample) | 2013-01-08 | 2015-08-28 | Dolby Int Ab | |
| EP4425489A3 (en) | 2013-07-05 | 2024-11-06 | Dolby International AB | Enhanced soundfield coding using parametric component generation |
| EP2830053A1 (en) * | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Multi-channel audio decoder, multi-channel audio encoder, methods and computer program using a residual-signal-based adjustment of a contribution of a decorrelated signal |
| 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 |
| KR101461110B1 (ko) * | 2013-09-06 | 2014-11-12 | 광주과학기술원 | 스테레오 확장장치 및 스테레오 확장방법 |
| AU2014339065B2 (en) | 2013-10-21 | 2017-04-20 | Dolby International Ab | Decorrelator structure for parametric reconstruction of audio signals |
| CN111179956B (zh) | 2013-10-21 | 2023-08-11 | 杜比国际公司 | 音频信号的参数化重构 |
| CN103700372B (zh) * | 2013-12-30 | 2016-10-05 | 北京大学 | 一种基于正交解相关技术的参数立体声编码、解码方法 |
| JP6640849B2 (ja) * | 2014-10-31 | 2020-02-05 | ドルビー・インターナショナル・アーベー | マルチチャネル・オーディオ信号のパラメトリック・エンコードおよびデコード |
| RU2711513C1 (ru) | 2016-01-22 | 2020-01-17 | Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. | Устройство и способ оценивания межканальной разницы во времени |
| US9978381B2 (en) * | 2016-02-12 | 2018-05-22 | Qualcomm Incorporated | Encoding of multiple audio signals |
| US10224042B2 (en) | 2016-10-31 | 2019-03-05 | Qualcomm Incorporated | Encoding of multiple audio signals |
| PL3748633T3 (pl) | 2016-11-08 | 2025-11-24 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Moduł downmixu i sposób downmixu co najmniej dwóch kanałów oraz koder wielokanałowy i dekoder wielokanałowy |
| RU2727799C1 (ru) * | 2016-11-08 | 2020-07-24 | Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. | Устройство и способ понижающего или повышающего микширования многоканального сигнала с использованием фазовой компенсации |
| EP3566472B1 (en) * | 2017-01-04 | 2023-10-25 | THAT Corporation | Configurable multi-band compressor architecture with advanced surround processing |
| US10877192B2 (en) | 2017-04-18 | 2020-12-29 | Saudi Arabian Oil Company | Method of fabricating smart photonic structures for material monitoring |
| US10401155B2 (en) | 2017-05-12 | 2019-09-03 | Saudi Arabian Oil Company | Apparatus and method for smart material analysis |
| SG11202000510VA (en) | 2017-07-28 | 2020-02-27 | Fraunhofer Ges Forschung | Apparatus for encoding or decoding an encoded multichannel signal using a filling signal generated by a broad band filter |
| CN117198302A (zh) * | 2017-08-10 | 2023-12-08 | 华为技术有限公司 | 时域立体声参数的编码方法和相关产品 |
| CN109389987B (zh) * | 2017-08-10 | 2022-05-10 | 华为技术有限公司 | 音频编解码模式确定方法和相关产品 |
| CN109389984B (zh) * | 2017-08-10 | 2021-09-14 | 华为技术有限公司 | 时域立体声编解码方法和相关产品 |
| JP7596146B2 (ja) | 2017-12-19 | 2024-12-09 | ドルビー・インターナショナル・アーベー | 音声音響統合復号および符号化の改良のための方法、機器、およびシステム |
| TWI812658B (zh) | 2017-12-19 | 2023-08-21 | 瑞典商都比國際公司 | 用於統一語音及音訊之解碼及編碼去關聯濾波器之改良之方法、裝置及系統 |
| US11315584B2 (en) | 2017-12-19 | 2022-04-26 | Dolby International Ab | Methods and apparatus for unified speech and audio decoding QMF based harmonic transposer improvements |
| PT3776541T (pt) | 2018-04-05 | 2022-03-21 | Fraunhofer Ges Forschung | Aparelho, método ou programa de computador para estimar uma diferença de tempo entre canais |
| CN119314496A (zh) | 2018-04-05 | 2025-01-14 | 瑞典爱立信有限公司 | 用于可截断的预测编码的方法和装置 |
| US10841689B2 (en) * | 2018-10-02 | 2020-11-17 | Harman International Industries, Incorporated | Loudspeaker and tower configuration |
| AU2019392876B2 (en) | 2018-12-07 | 2023-04-27 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus, method and computer program for encoding, decoding, scene processing and other procedures related to DirAC based spatial audio coding using direct component compensation |
| CA3193359A1 (en) * | 2019-06-14 | 2020-12-17 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Parameter encoding and decoding |
| WO2021181473A1 (ja) * | 2020-03-09 | 2021-09-16 | 日本電信電話株式会社 | 音信号符号化方法、音信号復号方法、音信号符号化装置、音信号復号装置、プログラム及び記録媒体 |
| CN115280411B (zh) * | 2020-03-09 | 2025-06-20 | 日本电信电话株式会社 | 声音信号缩混方法、声音信号编码方法、声音信号缩混装置、声音信号编码装置及记录介质 |
| WO2021181746A1 (ja) * | 2020-03-09 | 2021-09-16 | 日本電信電話株式会社 | 音信号ダウンミックス方法、音信号符号化方法、音信号ダウンミックス装置、音信号符号化装置、プログラム及び記録媒体 |
| EP4120249B1 (en) * | 2020-03-09 | 2024-12-11 | Nippon Telegraph And Telephone Corporation | Sound signal encoding method, sound signal decoding method, sound signal encoding device, sound signal decoding device, program, and recording medium |
| WO2024213555A1 (fr) * | 2023-04-13 | 2024-10-17 | Orange | Traitement optimisé de réduction de canaux d'un signal audio stéréophonique |
| FR3147898A1 (fr) * | 2023-04-13 | 2024-10-18 | Orange | Traitement optimisé de réduction de canaux d’un signal audio stéréophonique |
Family Cites Families (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB8913758D0 (en) * | 1989-06-15 | 1989-08-02 | British Telecomm | Polyphonic coding |
| US5434948A (en) * | 1989-06-15 | 1995-07-18 | British Telecommunications Public Limited Company | Polyphonic coding |
| US5488665A (en) * | 1993-11-23 | 1996-01-30 | At&T Corp. | Multi-channel perceptual audio compression system with encoding mode switching among matrixed channels |
| ES2403178T3 (es) * | 2002-04-10 | 2013-05-16 | Koninklijke Philips Electronics N.V. | Codificación de señales estéreo |
| DE60311794T2 (de) | 2002-04-22 | 2007-10-31 | Koninklijke Philips Electronics N.V. | Signalsynthese |
| SE527670C2 (sv) * | 2003-12-19 | 2006-05-09 | Ericsson Telefon Ab L M | Naturtrogenhetsoptimerad kodning med variabel ramlängd |
| EP1719117A1 (en) * | 2004-02-16 | 2006-11-08 | Koninklijke Philips Electronics N.V. | A transcoder and method of transcoding therefore |
| EP3573055B1 (en) * | 2004-04-05 | 2022-03-23 | Koninklijke Philips N.V. | Multi-channel decoder |
| US7391870B2 (en) * | 2004-07-09 | 2008-06-24 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E V | Apparatus and method for generating a multi-channel output signal |
| SE0402650D0 (sv) * | 2004-11-02 | 2004-11-02 | Coding Tech Ab | Improved parametric stereo compatible coding of spatial audio |
| US7835918B2 (en) | 2004-11-04 | 2010-11-16 | Koninklijke Philips Electronics N.V. | Encoding and decoding a set of signals |
| KR101215868B1 (ko) * | 2004-11-30 | 2012-12-31 | 에이저 시스템즈 엘엘시 | 오디오 채널들을 인코딩 및 디코딩하는 방법, 및 오디오 채널들을 인코딩 및 디코딩하는 장치 |
| US7573912B2 (en) * | 2005-02-22 | 2009-08-11 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschunng E.V. | Near-transparent or transparent multi-channel encoder/decoder scheme |
| US7751572B2 (en) | 2005-04-15 | 2010-07-06 | Dolby International Ab | Adaptive residual audio coding |
| ES2433316T3 (es) | 2005-07-19 | 2013-12-10 | Koninklijke Philips N.V. | Generación de señales de audio de multiples canales |
| KR100923156B1 (ko) * | 2006-05-02 | 2009-10-23 | 한국전자통신연구원 | 멀티채널 오디오 인코딩 및 디코딩 시스템 및 방법 |
| US8619998B2 (en) * | 2006-08-07 | 2013-12-31 | Creative Technology Ltd | Spatial audio enhancement processing method and apparatus |
| US8027479B2 (en) * | 2006-06-02 | 2011-09-27 | Coding Technologies Ab | Binaural multi-channel decoder in the context of non-energy conserving upmix rules |
| UA94117C2 (ru) * | 2006-10-16 | 2011-04-11 | Долби Свиден Ав | Усовершенстованное кодирование и отображение параметров многоканального кодирования микшированных объектов |
| US8200351B2 (en) * | 2007-01-05 | 2012-06-12 | STMicroelectronics Asia PTE., Ltd. | Low power downmix energy equalization in parametric stereo encoders |
| US8515759B2 (en) * | 2007-04-26 | 2013-08-20 | Dolby International Ab | Apparatus and method for synthesizing an output signal |
| EP2023600A1 (en) | 2007-07-27 | 2009-02-11 | Thomson Licensing | Method of color mapping from non-convex source gamut into non-convex target gamut |
| 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 |
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2009
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- 2009-05-14 WO PCT/IB2009/052009 patent/WO2009141775A1/en not_active Ceased
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- 2009-05-14 MX MX2010012580A patent/MX2010012580A/es active IP Right Grant
- 2009-05-14 CN CN2009801187544A patent/CN102037507B/zh active Active
- 2009-05-14 EP EP09750232A patent/EP2283483B1/en active Active
- 2009-05-20 TW TW098116731A patent/TWI484477B/zh active
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2014
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2018
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2021
- 2021-05-19 US US17/324,420 patent/US11871205B2/en active Active
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2023
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8625668B2 (en) | 2006-01-10 | 2014-01-07 | Kabushiki Kaisha Toshiba | Information processing apparatus and video decoding method of information processing apparatus |
| US8472789B2 (en) | 2010-10-05 | 2013-06-25 | Panasonic Corporation | Image editing apparatus, image editing method, and image editing program |
| US11545165B2 (en) | 2018-07-03 | 2023-01-03 | Panasonic Intellectual Property Corporation Of America | Encoding device and encoding method using a determined prediction parameter based on an energy difference between channels |
Also Published As
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| BRPI0908630A2 (pt) | 2017-10-03 |
| US20170134875A1 (en) | 2017-05-11 |
| US12192734B2 (en) | 2025-01-07 |
| MX2010012580A (es) | 2010-12-20 |
| US11019445B2 (en) | 2021-05-25 |
| BRPI0908630B1 (pt) | 2020-09-15 |
| BR122020009732B1 (pt) | 2021-01-19 |
| US10136237B2 (en) | 2018-11-20 |
| US20110096932A1 (en) | 2011-04-28 |
| RU2010152580A (ru) | 2012-06-27 |
| US11871205B2 (en) | 2024-01-09 |
| BRPI0908630A8 (pt) | 2017-12-12 |
| TWI484477B (zh) | 2015-05-11 |
| JP2011522472A (ja) | 2011-07-28 |
| CN102037507B (zh) | 2013-02-06 |
| KR20110020846A (ko) | 2011-03-03 |
| US9591425B2 (en) | 2017-03-07 |
| BR122020009727B1 (pt) | 2021-04-06 |
| TW201011736A (en) | 2010-03-16 |
| RU2497204C2 (ru) | 2013-10-27 |
| EP2283483A1 (en) | 2011-02-16 |
| US20190058960A1 (en) | 2019-02-21 |
| CN102037507A (zh) | 2011-04-27 |
| US20240121567A1 (en) | 2024-04-11 |
| KR101629862B1 (ko) | 2016-06-24 |
| US20140321652A1 (en) | 2014-10-30 |
| US8811621B2 (en) | 2014-08-19 |
| US20210274302A1 (en) | 2021-09-02 |
| WO2009141775A1 (en) | 2009-11-26 |
| EP2283483B1 (en) | 2013-03-13 |
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