ES2934646T3 - Sistema de procesamiento de audio - Google Patents
Sistema de procesamiento de audio Download PDFInfo
- Publication number
- ES2934646T3 ES2934646T3 ES14717713T ES14717713T ES2934646T3 ES 2934646 T3 ES2934646 T3 ES 2934646T3 ES 14717713 T ES14717713 T ES 14717713T ES 14717713 T ES14717713 T ES 14717713T ES 2934646 T3 ES2934646 T3 ES 2934646T3
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Classifications
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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
-
- 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
- G10L19/032—Quantisation or dequantisation of spectral components
-
- 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
-
- 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
- G10L19/16—Vocoder architecture
- G10L19/18—Vocoders using multiple modes
- G10L19/20—Vocoders using multiple modes using sound class specific coding, hybrid encoders or object based coding
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Computational Linguistics (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Health & Medical Sciences (AREA)
- Mathematical Physics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Stereophonic System (AREA)
- Circuit For Audible Band Transducer (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201361809019P | 2013-04-05 | 2013-04-05 | |
| US201361875959P | 2013-09-10 | 2013-09-10 | |
| PCT/EP2014/056857 WO2014161996A2 (en) | 2013-04-05 | 2014-04-04 | Audio processing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES2934646T3 true ES2934646T3 (es) | 2023-02-23 |
Family
ID=50489074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES14717713T Active ES2934646T3 (es) | 2013-04-05 | 2014-04-04 | Sistema de procesamiento de audio |
Country Status (10)
| Country | Link |
|---|---|
| US (2) | US9478224B2 (enExample) |
| EP (1) | EP2981956B1 (enExample) |
| JP (2) | JP6013646B2 (enExample) |
| KR (1) | KR101717006B1 (enExample) |
| CN (2) | CN105247613B (enExample) |
| BR (1) | BR112015025092B1 (enExample) |
| ES (1) | ES2934646T3 (enExample) |
| IN (1) | IN2015MN02784A (enExample) |
| RU (1) | RU2625444C2 (enExample) |
| WO (1) | WO2014161996A2 (enExample) |
Families Citing this family (34)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2981956B1 (en) * | 2013-04-05 | 2022-11-30 | Dolby International AB | Audio processing system |
| TWI557727B (zh) * | 2013-04-05 | 2016-11-11 | 杜比國際公司 | 音訊處理系統、多媒體處理系統、處理音訊位元流的方法以及電腦程式產品 |
| WO2016030568A1 (en) * | 2014-08-28 | 2016-03-03 | Nokia Technologies Oy | Audio parameter quantization |
| WO2016142002A1 (en) * | 2015-03-09 | 2016-09-15 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Audio encoder, audio decoder, method for encoding an audio signal and method for decoding an encoded audio signal |
| MX2017012957A (es) * | 2015-04-10 | 2018-02-01 | Thomson Licensing | Metodo y dispositivo para codificar multiples señales de audio, y metodo y dispositivo para decodificar una mezcla de multiples señales de audio con separacion mejorada. |
| EP3107096A1 (en) | 2015-06-16 | 2016-12-21 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Downscaled decoding |
| WO2017080835A1 (en) * | 2015-11-10 | 2017-05-18 | Dolby International Ab | Signal-dependent companding system and method to reduce quantization noise |
| WO2017132366A1 (en) * | 2016-01-26 | 2017-08-03 | Dolby Laboratories Licensing Corporation | Adaptive quantization |
| KR102546098B1 (ko) * | 2016-03-21 | 2023-06-22 | 한국전자통신연구원 | 블록 기반의 오디오 부호화/복호화 장치 및 그 방법 |
| US20170289536A1 (en) * | 2016-03-31 | 2017-10-05 | Le Holdings (Beijing) Co., Ltd. | Method of audio debugging for television and electronic device |
| US10770082B2 (en) * | 2016-06-22 | 2020-09-08 | Dolby International Ab | Audio decoder and method for transforming a digital audio signal from a first to a second frequency domain |
| US10249307B2 (en) * | 2016-06-27 | 2019-04-02 | Qualcomm Incorporated | Audio decoding using intermediate sampling rate |
| 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 |
| GB2559200A (en) * | 2017-01-31 | 2018-08-01 | Nokia Technologies Oy | Stereo audio signal encoder |
| US10475457B2 (en) * | 2017-07-03 | 2019-11-12 | Qualcomm Incorporated | Time-domain inter-channel prediction |
| US10950251B2 (en) * | 2018-03-05 | 2021-03-16 | Dts, Inc. | Coding of harmonic signals in transform-based audio codecs |
| CN112567768B (zh) * | 2018-06-18 | 2022-11-15 | 奇跃公司 | 用于交互式音频环境的空间音频 |
| 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 |
| CN112384976B (zh) * | 2018-07-12 | 2024-10-11 | 杜比国际公司 | 动态eq |
| EP3935581A4 (en) | 2019-03-04 | 2022-11-30 | Iocurrents, Inc. | DATA COMPRESSION AND COMMUNICATION USING MACHINE LEARNING |
| WO2020216459A1 (en) * | 2019-04-23 | 2020-10-29 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus, method or computer program for generating an output downmix representation |
| CN110335615B (zh) * | 2019-05-05 | 2021-11-16 | 北京字节跳动网络技术有限公司 | 音频数据的处理方法、装置、电子设备及存储介质 |
| WO2021004045A1 (zh) * | 2019-07-09 | 2021-01-14 | 海信视像科技股份有限公司 | 一种多声道平台音频数据传输方法及其装置、显示设备 |
| IL322245A (en) * | 2019-09-03 | 2025-09-01 | Dolby Laboratories Licensing Corp | Low-noise signal converter for low-frequency effects |
| RU2731602C1 (ru) * | 2019-09-30 | 2020-09-04 | Ордена трудового Красного Знамени федеральное государственное бюджетное образовательное учреждение высшего образования "Московский технический университет связи и информатики" (МТУСИ) | Способ и устройство компандирования с предыскажением звуковых вещательных сигналов |
| CN113140225B (zh) * | 2020-01-20 | 2024-07-02 | 腾讯科技（深圳）有限公司 | 语音信号处理方法、装置、电子设备及存储介质 |
| CN111354365B (zh) * | 2020-03-10 | 2023-10-31 | 苏宁云计算有限公司 | 一种纯语音数据采样率识别方法、装置、系统 |
| JP7567180B2 (ja) * | 2020-03-13 | 2024-10-16 | ヤマハ株式会社 | 音響処理装置および音響処理方法 |
| WO2022097239A1 (ja) * | 2020-11-05 | 2022-05-12 | 日本電信電話株式会社 | 音信号精製方法、音信号復号方法、これらの装置、プログラム及び記録媒体 |
| KR20230116895A (ko) | 2020-12-02 | 2023-08-04 | 돌비 레버러토리즈 라이쎈싱 코오포레이션 | 적응적 다운믹스 전략을 통한 몰입형 음성 및 오디오서비스(ivas) |
| EP4243014A4 (en) | 2021-01-25 | 2024-07-17 | Samsung Electronics Co., Ltd. | DEVICE AND METHOD FOR PROCESSING A MULTI-CHANNEL AUDIO SIGNAL |
| CN118038879A (zh) * | 2022-11-07 | 2024-05-14 | 抖音视界有限公司 | 一种音频数据的编码方法、解码方法及装置 |
| GB2624686B (en) * | 2022-11-25 | 2025-07-23 | Lenbrook Industries Ltd | Improvements to audio coding |
Family Cites Families (57)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3582589B2 (ja) * | 2001-03-07 | 2004-10-27 | 日本電気株式会社 | 音声符号化装置及び音声復号化装置 |
| US7292901B2 (en) | 2002-06-24 | 2007-11-06 | Agere Systems Inc. | Hybrid multi-channel/cue coding/decoding of audio signals |
| US7644003B2 (en) * | 2001-05-04 | 2010-01-05 | Agere Systems Inc. | Cue-based audio coding/decoding |
| JP4108317B2 (ja) * | 2001-11-13 | 2008-06-25 | 日本電気株式会社 | 符号変換方法及び装置とプログラム並びに記憶媒体 |
| US7657427B2 (en) | 2002-10-11 | 2010-02-02 | Nokia Corporation | Methods and devices for source controlled variable bit-rate wideband speech coding |
| ATE355590T1 (de) * | 2003-04-17 | 2006-03-15 | Koninkl Philips Electronics Nv | Audiosignalsynthese |
| US7412380B1 (en) * | 2003-12-17 | 2008-08-12 | Creative Technology Ltd. | Ambience extraction and modification for enhancement and upmix of audio signals |
| 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 |
| GB0402661D0 (en) * | 2004-02-06 | 2004-03-10 | Medical Res Council | TPL2 and its expression |
| CA2457988A1 (en) * | 2004-02-18 | 2005-08-18 | Voiceage Corporation | Methods and devices for audio compression based on acelp/tcx coding and multi-rate lattice vector quantization |
| CN1677493A (zh) * | 2004-04-01 | 2005-10-05 | 北京宫羽数字技术有限责任公司 | 一种增强音频编解码装置及方法 |
| SE0400998D0 (sv) * | 2004-04-16 | 2004-04-16 | Cooding Technologies Sweden Ab | Method for representing multi-channel audio signals |
| TWI497485B (zh) * | 2004-08-25 | 2015-08-21 | Dolby Lab Licensing Corp | 用以重塑經合成輸出音訊信號之時域包絡以更接近輸入音訊信號之時域包絡的方法 |
| DE102004043521A1 (de) * | 2004-09-08 | 2006-03-23 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Vorrichtung und Verfahren zum Erzeugen eines Multikanalsignals oder eines Parameterdatensatzes |
| SE0402649D0 (sv) * | 2004-11-02 | 2004-11-02 | Coding Tech Ab | Advanced methods of creating orthogonal 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 |
| US7903824B2 (en) * | 2005-01-10 | 2011-03-08 | Agere Systems Inc. | Compact side information for parametric coding of spatial audio |
| WO2006103584A1 (en) * | 2005-03-30 | 2006-10-05 | Koninklijke Philips Electronics N.V. | Multi-channel audio coding |
| US7961890B2 (en) * | 2005-04-15 | 2011-06-14 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung, E.V. | Multi-channel hierarchical audio coding with compact side information |
| JP5171256B2 (ja) * | 2005-08-31 | 2013-03-27 | パナソニック株式会社 | ステレオ符号化装置、ステレオ復号装置、及びステレオ符号化方法 |
| US20080004883A1 (en) | 2006-06-30 | 2008-01-03 | Nokia Corporation | Scalable audio coding |
| DE602007012116D1 (de) * | 2006-08-15 | 2011-03-03 | Dolby Lab Licensing Corp | Arbiträre formung einer temporären rauschhüllkurve ohne nebeninformation |
| UA94117C2 (ru) | 2006-10-16 | 2011-04-11 | Долби Свиден Ав | Усовершенстованное кодирование и отображение параметров многоканального кодирования микшированных объектов |
| JP4930320B2 (ja) * | 2006-11-30 | 2012-05-16 | ソニー株式会社 | 再生方法及び装置、プログラム並びに記録媒体 |
| US8363842B2 (en) * | 2006-11-30 | 2013-01-29 | Sony Corporation | Playback method and apparatus, program, and recording medium |
| US8200351B2 (en) | 2007-01-05 | 2012-06-12 | STMicroelectronics Asia PTE., Ltd. | Low power downmix energy equalization in parametric stereo encoders |
| WO2008096313A1 (en) * | 2007-02-06 | 2008-08-14 | Koninklijke Philips Electronics N.V. | Low complexity parametric stereo decoder |
| US8290167B2 (en) * | 2007-03-21 | 2012-10-16 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Method and apparatus for conversion between multi-channel audio formats |
| GB2467247B (en) * | 2007-10-04 | 2012-02-29 | Creative Tech Ltd | Phase-amplitude 3-D stereo encoder and decoder |
| ATE518224T1 (de) | 2008-01-04 | 2011-08-15 | Dolby Int Ab | Audiokodierer und -dekodierer |
| US8546172B2 (en) * | 2008-01-18 | 2013-10-01 | Miasole | Laser polishing of a back contact of a solar cell |
| EP2301027B1 (en) | 2008-07-11 | 2015-04-08 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | An apparatus and a method for generating bandwidth extension output data |
| EP2144230A1 (en) | 2008-07-11 | 2010-01-13 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Low bitrate audio encoding/decoding scheme having cascaded switches |
| KR101261677B1 (ko) * | 2008-07-14 | 2013-05-06 | 광운대학교 산학협력단 | 음성/음악 통합 신호의 부호화/복호화 장치 |
| KR101381513B1 (ko) * | 2008-07-14 | 2014-04-07 | 광운대학교 산학협력단 | 음성/음악 통합 신호의 부호화/복호화 장치 |
| ES2592416T3 (es) * | 2008-07-17 | 2016-11-30 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Esquema de codificación/decodificación de audio que tiene una derivación conmutable |
| EP2347412B1 (en) * | 2008-07-18 | 2012-10-03 | Dolby Laboratories Licensing Corporation | Method and system for frequency domain postfiltering of encoded audio data in a decoder |
| EP2345027B1 (en) | 2008-10-10 | 2018-04-18 | Telefonaktiebolaget LM Ericsson (publ) | Energy-conserving multi-channel audio coding and decoding |
| CN102257562B (zh) * | 2008-12-19 | 2013-09-11 | 杜比国际公司 | 用空间线索参数对多通道音频信号应用混响的方法和装置 |
| WO2010075895A1 (en) | 2008-12-30 | 2010-07-08 | Nokia Corporation | Parametric audio coding |
| EP2214161A1 (en) * | 2009-01-28 | 2010-08-04 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus, method and computer program for upmixing a downmix audio signal |
| CN102388417B (zh) | 2009-03-17 | 2015-10-21 | 杜比国际公司 | 基于自适应地可选择的左/右或中央/侧边立体声编码和参数立体声编码的组合的高级立体声编码 |
| FR2947945A1 (fr) | 2009-07-07 | 2011-01-14 | France Telecom | Allocation de bits dans un codage/decodage d'amelioration d'un codage/decodage hierarchique de signaux audionumeriques |
| KR20110022252A (ko) | 2009-08-27 | 2011-03-07 | 삼성전자주식회사 | 스테레오 오디오의 부호화, 복호화 방법 및 장치 |
| KR20110049068A (ko) * | 2009-11-04 | 2011-05-12 | 삼성전자주식회사 | 멀티 채널 오디오 신호의 부호화/복호화 장치 및 방법 |
| US9117458B2 (en) * | 2009-11-12 | 2015-08-25 | Lg Electronics Inc. | Apparatus for processing an audio signal and method thereof |
| US8442837B2 (en) | 2009-12-31 | 2013-05-14 | Motorola Mobility Llc | Embedded speech and audio coding using a switchable model core |
| TWI443646B (zh) * | 2010-02-18 | 2014-07-01 | Dolby Lab Licensing Corp | 音訊解碼器及使用有效降混之解碼方法 |
| US8423355B2 (en) | 2010-03-05 | 2013-04-16 | Motorola Mobility Llc | Encoder for audio signal including generic audio and speech frames |
| 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 |
| US8489391B2 (en) | 2010-08-05 | 2013-07-16 | Stmicroelectronics Asia Pacific Pte., Ltd. | Scalable hybrid auto coder for transient detection in advanced audio coding with spectral band replication |
| JP5681290B2 (ja) | 2010-09-28 | 2015-03-04 | ホアウェイ・テクノロジーズ・カンパニー・リミテッド | デコードされたマルチチャネルオーディオ信号またはデコードされたステレオ信号を後処理するためのデバイス |
| ES2553398T3 (es) | 2010-11-03 | 2015-12-09 | Huawei Technologies Co., Ltd. | Codificador paramétrico para codificar una señal de audio multicanal |
| RU2580924C2 (ru) | 2011-02-14 | 2016-04-10 | Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. | Представление информационного сигнала с использованием преобразования с перекрытием |
| EP2523473A1 (en) * | 2011-05-11 | 2012-11-14 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for generating an output signal employing a decomposer |
| EP2777042B1 (en) * | 2011-11-11 | 2019-08-14 | Dolby International AB | Upsampling using oversampled sbr |
| EP2981956B1 (en) * | 2013-04-05 | 2022-11-30 | Dolby International AB | Audio processing system |
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2014
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- 2014-04-04 WO PCT/EP2014/056857 patent/WO2014161996A2/en not_active Ceased
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2016
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| HK1214026A1 (zh) | 2016-07-15 |
| KR101717006B1 (ko) | 2017-03-15 |
| JP6407928B2 (ja) | 2018-10-17 |
| US20160372123A1 (en) | 2016-12-22 |
| JP6013646B2 (ja) | 2016-10-25 |
| JP2016514858A (ja) | 2016-05-23 |
| CN105247613A (zh) | 2016-01-13 |
| US20160055855A1 (en) | 2016-02-25 |
| EP2981956B1 (en) | 2022-11-30 |
| CN109509478A (zh) | 2019-03-22 |
| CN105247613B (zh) | 2019-01-18 |
| US9812136B2 (en) | 2017-11-07 |
| RU2015147158A (ru) | 2017-05-17 |
| RU2625444C2 (ru) | 2017-07-13 |
| BR112015025092B1 (pt) | 2022-01-11 |
| US9478224B2 (en) | 2016-10-25 |
| BR112015025092A2 (pt) | 2017-07-18 |
| JP2017017749A (ja) | 2017-01-19 |
| IN2015MN02784A (enExample) | 2015-10-23 |
| CN109509478B (zh) | 2023-09-05 |
| WO2014161996A3 (en) | 2014-12-04 |
| WO2014161996A2 (en) | 2014-10-09 |
| EP2981956A2 (en) | 2016-02-10 |
| KR20150139601A (ko) | 2015-12-11 |
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