JP5945626B2 - ハーモニックオーディオ信号の帯域幅拡張 - Google Patents

ハーモニックオーディオ信号の帯域幅拡張 Download PDF

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JP5945626B2
JP5945626B2 JP2015503154A JP2015503154A JP5945626B2 JP 5945626 B2 JP5945626 B2 JP 5945626B2 JP 2015503154 A JP2015503154 A JP 2015503154A JP 2015503154 A JP2015503154 A JP 2015503154A JP 5945626 B2 JP5945626 B2 JP 5945626B2
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gain
value
band
frequency band
peak
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JP2015516593A (ja
JP2015516593A5 (https=
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セバスチャン ナズランド，
セバスチャン ナズランド，
ヴォロージャ グランチャロブ，
ヴォロージャ グランチャロブ，
トフトガード， トマス ヤンソン，
トフトガード， トマス ヤンソン，
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テレフオンアクチーボラゲット エルエム エリクソン（パブル）
テレフオンアクチーボラゲット エルエム エリクソン（パブル）
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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
    • G10L19/02—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
    • G10L19/0204—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 using subband decomposition
    • 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
    • G10L19/012—Comfort noise or silence coding
    • 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
    • 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
    • G10L19/028—Noise substitution, i.e. substituting non-tonal spectral components by noisy source
    • 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
    • G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/0208—Noise filtering
    • G10L21/0216—Noise filtering characterised by the method used for estimating noise
    • 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
    • G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/0208—Noise filtering
    • G10L21/0216—Noise filtering characterised by the method used for estimating noise
    • G10L21/0232—Processing in the frequency domain
    • 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
    • G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/0316—Speech enhancement, e.g. noise reduction or echo cancellation by changing the amplitude
    • 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
    • G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/0316—Speech enhancement, e.g. noise reduction or echo cancellation by changing the amplitude
    • G10L21/0364—Speech enhancement, e.g. noise reduction or echo cancellation by changing the amplitude for improving intelligibility
    • 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
    • G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/038—Speech enhancement, e.g. noise reduction or echo cancellation using band spreading 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
    • G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/038—Speech enhancement, e.g. noise reduction or echo cancellation using band spreading techniques
    • G10L21/0388—Details of processing therefor
    • 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
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
    • G10L25/21—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being power information

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Quality & Reliability (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Circuits Of Receivers In General (AREA)
JP2015503154A 2012-03-29 2012-12-21 ハーモニックオーディオ信号の帯域幅拡張 Active JP5945626B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201261617175P 2012-03-29 2012-03-29
US61/617,175 2012-03-29
PCT/SE2012/051470 WO2013147668A1 (en) 2012-03-29 2012-12-21 Bandwidth extension of harmonic audio signal

Related Child Applications (1)

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JP2015516593A JP2015516593A (ja) 2015-06-11
JP2015516593A5 JP2015516593A5 (https=) 2016-02-12
JP5945626B2 true JP5945626B2 (ja) 2016-07-05

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JP2016107734A Active JP6251773B2 (ja) 2012-03-29 2016-05-30 ハーモニックオーディオ信号の帯域幅拡張
JP2017195350A Active JP6474874B2 (ja) 2012-03-29 2017-10-05 ハーモニックオーディオ信号の帯域幅拡張
JP2017227001A Active JP6474877B2 (ja) 2012-03-29 2017-11-27 ハーモニックオーディオ信号の帯域幅拡張

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JP2017227001A Active JP6474877B2 (ja) 2012-03-29 2017-11-27 ハーモニックオーディオ信号の帯域幅拡張

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US (3) US9437202B2 (https=)
EP (1) EP2831875B1 (https=)
JP (4) JP5945626B2 (https=)
KR (2) KR101740219B1 (https=)
CN (2) CN104221082B (https=)
ES (1) ES2561603T3 (https=)
HU (1) HUE028238T2 (https=)
MY (2) MY167474A (https=)
PL (1) PL2831875T3 (https=)
RU (2) RU2725416C1 (https=)
WO (1) WO2013147668A1 (https=)
ZA (1) ZA201406340B (https=)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016189012A (ja) * 2012-03-29 2016-11-04 テレフオンアクチーボラゲット エルエム エリクソン（パブル） ハーモニックオーディオ信号の帯域幅拡張
TWI791632B (zh) * 2017-10-05 2023-02-11 美商高通公司 用於音訊信號之編碼或解碼之器件、方法、電腦可讀儲存器件以及裝置

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2960582T3 (es) * 2012-03-29 2024-03-05 Ericsson Telefon Ab L M Cuantificador vectorial
ES2703873T3 (es) 2012-03-29 2019-03-12 Ericsson Telefon Ab L M Codificación/descodificación de la transformada de señales armónicas de audio
EP2830054A1 (en) 2013-07-22 2015-01-28 Fraunhofer Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoder, audio decoder and related methods using two-channel processing within an intelligent gap filling framework
US9666202B2 (en) 2013-09-10 2017-05-30 Huawei Technologies Co., Ltd. Adaptive bandwidth extension and apparatus for the same
US10083708B2 (en) * 2013-10-11 2018-09-25 Qualcomm Incorporated Estimation of mixing factors to generate high-band excitation signal
US20150149157A1 (en) * 2013-11-22 2015-05-28 Qualcomm Incorporated Frequency domain gain shape estimation
BR112016015695B1 (pt) * 2014-01-07 2022-11-16 Harman International Industries, Incorporated Sistema, mídia e método para tratamento de sinais de áudio comprimidos
EP3117432B1 (en) 2014-03-14 2019-05-08 Telefonaktiebolaget LM Ericsson (publ) Audio coding method and apparatus
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
PL4134953T3 (pl) * 2016-04-12 2025-04-14 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Koder audio do kodowania sygnału audio, sposób kodowania sygnału audio i program komputerowy, z uwzględnieniem wykrytego szczytowego obszaru widmowego w paśmie wyższej częstotliwości

Family Cites Families (48)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5490172A (en) * 1994-07-05 1996-02-06 Airnet Communications Corporation Reducing peak-to-average variance of a composite transmitted signal via out-of-band artifact signaling
SE9903553D0 (sv) * 1999-01-27 1999-10-01 Lars Liljeryd Enhancing percepptual performance of SBR and related coding methods by adaptive noise addition (ANA) and noise substitution limiting (NSL)
US20020128839A1 (en) * 2001-01-12 2002-09-12 Ulf Lindgren Speech bandwidth extension
KR100935961B1 (ko) * 2001-11-14 2010-01-08 파나소닉 주식회사 부호화 장치 및 복호화 장치
PT1423847E (pt) * 2001-11-29 2005-05-31 Coding Tech Ab Reconstrucao de componentes de frequencia elevada
ES2259158T3 (es) * 2002-09-19 2006-09-16 Matsushita Electric Industrial Co., Ltd. Metodo y aparato decodificador audio.
US7787632B2 (en) * 2003-03-04 2010-08-31 Nokia Corporation Support of a multichannel audio extension
JP4899359B2 (ja) * 2005-07-11 2012-03-21 ソニー株式会社 信号符号化装置及び方法、信号復号装置及び方法、並びにプログラム及び記録媒体
CN1960351A (zh) * 2005-10-31 2007-05-09 华为技术有限公司 一种无线通信系统中终端信息发射方法及终端发射机
RU2409874C9 (ru) * 2005-11-04 2011-05-20 Нокиа Корпорейшн Сжатие звуковых сигналов
AU2005337961B2 (en) 2005-11-04 2011-04-21 Nokia Technologies Oy Audio compression
US7546237B2 (en) * 2005-12-23 2009-06-09 Qnx Software Systems (Wavemakers), Inc. Bandwidth extension of narrowband speech
KR20070115637A (ko) * 2006-06-03 2007-12-06 삼성전자주식회사 대역폭 확장 부호화 및 복호화 방법 및 장치
CN101089951B (zh) * 2006-06-16 2011-08-31 北京天籁传音数字技术有限公司 频带扩展编码方法及装置和解码方法及装置
DE102006047197B3 (de) * 2006-07-31 2008-01-31 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zum Verarbeiten eines reellen Subband-Signals zur Reduktion von Aliasing-Effekten
CN101140759B (zh) * 2006-09-08 2010-05-12 华为技术有限公司 语音或音频信号的带宽扩展方法及系统
US8688441B2 (en) * 2007-11-29 2014-04-01 Motorola Mobility Llc Method and apparatus to facilitate provision and use of an energy value to determine a spectral envelope shape for out-of-signal bandwidth content
DE102008015702B4 (de) 2008-01-31 2010-03-11 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zur Bandbreitenerweiterung eines Audiosignals
US20090201983A1 (en) * 2008-02-07 2009-08-13 Motorola, Inc. Method and apparatus for estimating high-band energy in a bandwidth extension system
KR20100134623A (ko) * 2008-03-04 2010-12-23 엘지전자 주식회사 오디오 신호 처리 방법 및 장치
CN101552005A (zh) * 2008-04-03 2009-10-07 华为技术有限公司 编码方法、解码方法、系统及装置
US8149955B2 (en) * 2008-06-30 2012-04-03 Telefonaktiebolaget L M Ericsson (Publ) Single ended multiband feedback linearized RF amplifier and mixer with DC-offset and IM2 suppression feedback loop
PL2352147T3 (pl) * 2008-07-11 2014-02-28 Fraunhofer Ges Forschung Urządzenie i sposób kodowania sygnału audio
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
RU2621965C2 (ru) * 2008-07-11 2017-06-08 Фраунхофер-Гезелльшафт цур Фёрдерунг дер ангевандтен Форшунг Е.Ф. Передатчик сигнала активации с деформацией по времени, кодер звукового сигнала, способ преобразования сигнала активации с деформацией по времени, способ кодирования звукового сигнала и компьютерные программы
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
US8463412B2 (en) * 2008-08-21 2013-06-11 Motorola Mobility Llc Method and apparatus to facilitate determining signal bounding frequencies
JP4818335B2 (ja) 2008-08-29 2011-11-16 株式会社東芝 信号帯域拡張装置
US8532998B2 (en) * 2008-09-06 2013-09-10 Huawei Technologies Co., Ltd. Selective bandwidth extension for encoding/decoding audio/speech signal
WO2010028301A1 (en) * 2008-09-06 2010-03-11 GH Innovation, Inc. Spectrum harmonic/noise sharpness control
US8463599B2 (en) * 2009-02-04 2013-06-11 Motorola Mobility Llc Bandwidth extension method and apparatus for a modified discrete cosine transform audio coder
EP2251984B1 (en) * 2009-05-11 2011-10-05 Harman Becker Automotive Systems GmbH Signal analysis for an improved detection of noise from an adjacent channel
ES2400661T3 (es) * 2009-06-29 2013-04-11 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Codificación y decodificación de extensión de ancho de banda
ES2461172T3 (es) * 2009-10-21 2014-05-19 Dolby International Ab Aparato y procedimiento para generar una señal de audio de alta frecuencia usando sobremuestreo adaptativo
CN102044250B (zh) * 2009-10-23 2012-06-27 华为技术有限公司 频带扩展方法及装置
JP5619177B2 (ja) * 2009-11-19 2014-11-05 テレフオンアクチーボラゲット エル エムエリクソン（パブル） 低域オーディオ信号の帯域拡張
EP2502230B1 (en) * 2009-11-19 2014-05-21 Telefonaktiebolaget L M Ericsson (PUBL) Improved excitation signal bandwidth extension
JP5609737B2 (ja) * 2010-04-13 2014-10-22 ソニー株式会社 信号処理装置および方法、符号化装置および方法、復号装置および方法、並びにプログラム
US9093080B2 (en) * 2010-06-09 2015-07-28 Panasonic Intellectual Property Corporation Of America Bandwidth extension method, bandwidth extension apparatus, program, integrated circuit, and audio decoding apparatus
JP6075743B2 (ja) * 2010-08-03 2017-02-08 ソニー株式会社 信号処理装置および方法、並びにプログラム
ES2664090T3 (es) * 2011-03-10 2018-04-18 Telefonaktiebolaget Lm Ericsson (Publ) Relleno de subvectores no codificados en señales de audio codificadas por transformada
CN103503065B (zh) * 2011-04-15 2015-08-05 瑞典爱立信有限公司 用于衰减低精确度重构的信号区域的方法和解码器
CN102223341B (zh) * 2011-06-21 2013-06-26 西安电子科技大学 无带宽扩展的频域成形ofdm峰均比降低方法
EP2763137B1 (en) * 2011-09-28 2016-09-14 LG Electronics Inc. Voice signal encoding method and voice signal decoding method
US9251800B2 (en) * 2011-11-02 2016-02-02 Telefonaktiebolaget L M Ericsson (Publ) Generation of a high band extension of a bandwidth extended audio signal
CN104221082B (zh) * 2012-03-29 2017-03-08 瑞典爱立信有限公司 谐波音频信号的带宽扩展
EP2682941A1 (de) * 2012-07-02 2014-01-08 Technische Universität Ilmenau Vorrichtung, Verfahren und Computerprogramm für frei wählbare Frequenzverschiebungen in der Subband-Domäne
EP2830054A1 (en) * 2013-07-22 2015-01-28 Fraunhofer Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoder, audio decoder and related methods using two-channel processing within an intelligent gap filling framework

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016189012A (ja) * 2012-03-29 2016-11-04 テレフオンアクチーボラゲット エルエム エリクソン（パブル） ハーモニックオーディオ信号の帯域幅拡張
US10002617B2 (en) 2012-03-29 2018-06-19 Telefonaktiebolaget Lm Ericsson (Publ) Bandwidth extension of harmonic audio signal
TWI791632B (zh) * 2017-10-05 2023-02-11 美商高通公司 用於音訊信號之編碼或解碼之器件、方法、電腦可讀儲存器件以及裝置

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MY197538A (en) 2023-06-22
US10002617B2 (en) 2018-06-19
JP2015516593A (ja) 2015-06-11
CN104221082A (zh) 2014-12-17
KR101704482B1 (ko) 2017-02-09
JP2018072846A (ja) 2018-05-10
US9626978B2 (en) 2017-04-18
ZA201406340B (en) 2016-06-29
WO2013147668A1 (en) 2013-10-03
CN104221082B (zh) 2017-03-08
RU2014143463A (ru) 2016-05-20
KR20170016033A (ko) 2017-02-10
JP2018041088A (ja) 2018-03-15
EP2831875A1 (en) 2015-02-04
JP6251773B2 (ja) 2017-12-20
KR101740219B1 (ko) 2017-05-25
CN106847303A (zh) 2017-06-13
HUE028238T2 (en) 2016-12-28
RU2610293C2 (ru) 2017-02-08
US20160336016A1 (en) 2016-11-17
JP2016189012A (ja) 2016-11-04
KR20140139582A (ko) 2014-12-05
EP2831875B1 (en) 2015-12-16
US20170178638A1 (en) 2017-06-22
US9437202B2 (en) 2016-09-06
MY167474A (en) 2018-08-29
US20150088527A1 (en) 2015-03-26
PL2831875T3 (pl) 2016-05-31
CN106847303B (zh) 2020-10-13
RU2725416C1 (ru) 2020-07-02
JP6474877B2 (ja) 2019-02-27
ES2561603T3 (es) 2016-02-29

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