ES2401487T3 - Aparato y procedimiento para la codificación/decodificación de una señal de audio utilizando un esquema de conmutación de generación de señal ajena - Google Patents

Aparato y procedimiento para la codificación/decodificación de una señal de audio utilizando un esquema de conmutación de generación de señal ajena Download PDF

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Publication number
ES2401487T3
ES2401487T3 ES09776763T ES09776763T ES2401487T3 ES 2401487 T3 ES2401487 T3 ES 2401487T3 ES 09776763 T ES09776763 T ES 09776763T ES 09776763 T ES09776763 T ES 09776763T ES 2401487 T3 ES2401487 T3 ES 2401487T3
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block
domain
aliasing
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Spanish (es)
Inventor
Guillaume Fuchs
Jérémie Lecomte
Stefan Bayer
Ralf Geiger
Markus Multrus
Gerald Schuller
Jens Hirschfeld
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Fraunhofer-Gesellschaft zur Förderung der Angewandten Forschung eV
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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
    • G10L19/04—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
    • 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
    • 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
    • G10L19/022—Blocking, i.e. grouping of samples in time; Choice of analysis windows; Overlap factoring
    • 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
    • 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
    • G10L19/04—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

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
ES09776763T 2008-07-11 2009-06-17 Aparato y procedimiento para la codificación/decodificación de una señal de audio utilizando un esquema de conmutación de generación de señal ajena Active ES2401487T3 (es)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US7985208P 2008-07-11 2008-07-11
US79852 2008-07-11
PCT/EP2009/004374 WO2010003532A1 (en) 2008-07-11 2009-06-17 Apparatus and method for encoding/decoding an audio signal using an aliasing switch scheme

Publications (1)

Publication Number Publication Date
ES2401487T3 true ES2401487T3 (es) 2013-04-22

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Country Status (18)

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US (1) US8862480B2 (cg-RX-API-DMAC10.html)
EP (1) EP2301020B1 (cg-RX-API-DMAC10.html)
JP (1) JP5551693B2 (cg-RX-API-DMAC10.html)
KR (1) KR101250309B1 (cg-RX-API-DMAC10.html)
CN (1) CN102089812B (cg-RX-API-DMAC10.html)
AR (1) AR072479A1 (cg-RX-API-DMAC10.html)
AU (1) AU2009267518B2 (cg-RX-API-DMAC10.html)
BR (1) BRPI0910783B1 (cg-RX-API-DMAC10.html)
CA (1) CA2730355C (cg-RX-API-DMAC10.html)
CO (1) CO6341672A2 (cg-RX-API-DMAC10.html)
ES (1) ES2401487T3 (cg-RX-API-DMAC10.html)
MX (1) MX2011000373A (cg-RX-API-DMAC10.html)
MY (1) MY152252A (cg-RX-API-DMAC10.html)
PL (1) PL2301020T3 (cg-RX-API-DMAC10.html)
RU (1) RU2492530C2 (cg-RX-API-DMAC10.html)
TW (1) TWI426503B (cg-RX-API-DMAC10.html)
WO (1) WO2010003532A1 (cg-RX-API-DMAC10.html)
ZA (1) ZA201009259B (cg-RX-API-DMAC10.html)

Families Citing this family (50)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MX2011000375A (es) * 2008-07-11 2011-05-19 Fraunhofer Ges Forschung Codificador y decodificador de audio para codificar y decodificar tramas de una señal de audio muestreada.
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
FR2936898A1 (fr) * 2008-10-08 2010-04-09 France Telecom Codage a echantillonnage critique avec codeur predictif
KR101649376B1 (ko) 2008-10-13 2016-08-31 한국전자통신연구원 Ｍｄｃｔ 기반 음성/오디오 통합 부호화기의 ｌｐｃ 잔차신호 부호화/복호화 장치
WO2010044593A2 (ko) 2008-10-13 2010-04-22 한국전자통신연구원 Mdct 기반 음성/오디오 통합 부호화기의 lpc 잔차신호 부호화/복호화 장치
US8457975B2 (en) 2009-01-28 2013-06-04 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Audio decoder, audio encoder, methods for decoding and encoding an audio signal and computer program
KR101622950B1 (ko) * 2009-01-28 2016-05-23 삼성전자주식회사 오디오 신호의 부호화 및 복호화 방법 및 그 장치
WO2011013982A2 (en) * 2009-07-27 2011-02-03 Lg Electronics Inc. A method and an apparatus for processing an audio signal
MY163358A (en) 2009-10-08 2017-09-15 Fraunhofer-Gesellschaft Zur Förderung Der Angenwandten Forschung E V Multi-mode audio signal decoder,multi-mode audio signal encoder,methods and computer program using a linear-prediction-coding based noise shaping
EP4362014B1 (en) * 2009-10-20 2025-04-23 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio signal decoder, corresponding method and computer program
FR2956495B1 (fr) * 2010-02-18 2021-08-06 Snecma Procede de numerisation d'un signal analogique par un convertisseur analogique-numerique de frequence de shannon determinee
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
KR101790373B1 (ko) 2010-06-14 2017-10-25 파나소닉 주식회사 오디오 하이브리드 부호화 장치 및 오디오 하이브리드 복호 장치
CA3025108C (en) 2010-07-02 2020-10-27 Dolby International Ab Audio decoding with selective post filtering
CA2804548C (en) 2010-07-08 2016-06-21 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Coder using forward aliasing cancellation
EP2619758B1 (en) 2010-10-15 2015-08-19 Huawei Technologies Co., Ltd. Audio signal transformer and inverse transformer, methods for audio signal analysis and synthesis
MY159444A (en) 2011-02-14 2017-01-13 Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E V Encoding and decoding of pulse positions of tracks of an audio signal
MY167776A (en) 2011-02-14 2018-09-24 Fraunhofer Ges Forschung Noise generation in audio codecs
PL2661745T3 (pl) 2011-02-14 2015-09-30 Fraunhofer Ges Forschung Urządzenie i sposób do ukrywania błędów w zunifikowanym kodowaniu mowy i audio
SG192714A1 (en) 2011-02-14 2013-09-30 Fraunhofer Ges Forschung Apparatus and method for coding a portion of an audio signal using a transient detection and a quality result
CN102959620B (zh) 2011-02-14 2015-05-13 弗兰霍菲尔运输应用研究公司 利用重迭变换的信息信号表示
AU2012217184B2 (en) 2011-02-14 2015-07-30 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E. V. Encoding and decoding of pulse positions of tracks of an audio signal
RU2586838C2 (ru) 2011-02-14 2016-06-10 Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. Аудиокодек, использующий синтез шума в течение неактивной фазы
KR101699898B1 (ko) 2011-02-14 2017-01-25 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 스펙트럼 영역에서 디코딩된 오디오 신호를 처리하기 위한 방법 및 장치
TWI563498B (en) 2011-02-14 2016-12-21 Fraunhofer Ges Forschung Apparatus and method for encoding an audio signal using an aligned look-ahead portion, and related computer program
CN103477387B (zh) 2011-02-14 2015-11-25 弗兰霍菲尔运输应用研究公司 使用频谱域噪声整形的基于线性预测的编码方案
US20140058737A1 (en) * 2011-10-28 2014-02-27 Panasonic Corporation Hybrid sound signal decoder, hybrid sound signal encoder, sound signal decoding method, and sound signal encoding method
US9489962B2 (en) * 2012-05-11 2016-11-08 Panasonic Corporation Sound signal hybrid encoder, sound signal hybrid decoder, sound signal encoding method, and sound signal decoding method
EP2665208A1 (en) 2012-05-14 2013-11-20 Thomson Licensing Method and apparatus for compressing and decompressing a Higher Order Ambisonics signal representation
JP6163545B2 (ja) 2012-06-14 2017-07-12 ドルビー・インターナショナル・アーベー 可変数の受信チャネルに基づくマルチチャネル・オーディオ・レンダリングのためのなめらかな構成切り換え
TWI590234B (zh) 2012-07-19 2017-07-01 杜比國際公司 編碼聲訊資料之方法和裝置，以及解碼已編碼聲訊資料之方法和裝置
JP6065452B2 (ja) * 2012-08-14 2017-01-25 富士通株式会社 データ埋め込み装置及び方法、データ抽出装置及び方法、並びにプログラム
CN109448745B (zh) * 2013-01-07 2021-09-07 中兴通讯股份有限公司 一种编码模式切换方法和装置、解码模式切换方法和装置
CA3012134C (en) 2013-01-08 2019-10-15 Dolby International Ab Model based prediction in a critically sampled filterbank
AU2014220725B2 (en) 2013-02-20 2016-11-17 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatus and method for encoding or decoding an audio signal using a transient-location dependent overlap
JP6146069B2 (ja) 2013-03-18 2017-06-14 富士通株式会社 データ埋め込み装置及び方法、データ抽出装置及び方法、並びにプログラム
MY173488A (en) 2013-04-05 2020-01-28 Dolby Int Ab Companding apparatus and method to reduce quantization noise using advanced spectral extension
RU2643662C2 (ru) * 2013-08-23 2018-02-02 Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. Устройство и способ для обработки звукового сигнала с использованием комбинирования в диапазоне перекрытия
FR3013496A1 (fr) * 2013-11-15 2015-05-22 Orange Transition d'un codage/decodage par transformee vers un codage/decodage predictif
CN110097892B (zh) 2014-06-03 2022-05-10 华为技术有限公司 一种语音频信号的处理方法和装置
EP2980796A1 (en) * 2014-07-28 2016-02-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Method and apparatus for processing an audio signal, audio decoder, and audio encoder
EP2988300A1 (en) 2014-08-18 2016-02-24 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Switching of sampling rates at audio processing devices
EP3276620A1 (en) 2016-07-29 2018-01-31 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Time domain aliasing reduction for non-uniform filterbanks which use spectral analysis followed by partial synthesis
CN107731238B (zh) 2016-08-10 2021-07-16 华为技术有限公司 多声道信号的编码方法和编码器
EP3483879A1 (en) * 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Analysis/synthesis windowing function for modulated lapped transformation
US10950251B2 (en) * 2018-03-05 2021-03-16 Dts, Inc. Coding of harmonic signals in transform-based audio codecs
US10475456B1 (en) * 2018-06-04 2019-11-12 Qualcomm Incorporated Smart coding mode switching in audio rate adaptation
CA3091241A1 (en) 2018-07-02 2020-01-09 Dolby Laboratories Licensing Corporation Methods and devices for generating or decoding a bitstream comprising immersive audio signals
EP3644313A1 (en) * 2018-10-26 2020-04-29 Fraunhofer Gesellschaft zur Förderung der Angewand Perceptual audio coding with adaptive non-uniform time/frequency tiling using subband merging and time domain aliasing reduction
WO2020164752A1 (en) 2019-02-13 2020-08-20 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio transmitter processor, audio receiver processor and related methods and computer programs

Family Cites Families (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3943881B4 (de) 1989-04-17 2008-07-17 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Digitales Codierverfahren
KR19990082402A (ko) 1996-02-08 1999-11-25 모리시타 요이찌 광대역 오디오신호 부호장치, 광대역 오디오신호 복호장치, 광대역 오디오신호 부호 복호장치 및 광대역 오디오신호 기록매체
DE69926821T2 (de) * 1998-01-22 2007-12-06 Deutsche Telekom Ag Verfahren zur signalgesteuerten Schaltung zwischen verschiedenen Audiokodierungssystemen
US7072832B1 (en) * 1998-08-24 2006-07-04 Mindspeed Technologies, Inc. System for speech encoding having an adaptive encoding arrangement
US6226608B1 (en) * 1999-01-28 2001-05-01 Dolby Laboratories Licensing Corporation Data framing for adaptive-block-length coding system
US6658383B2 (en) 2001-06-26 2003-12-02 Microsoft Corporation Method for coding speech and music signals
US7424434B2 (en) * 2002-09-04 2008-09-09 Microsoft Corporation Unified lossy and lossless audio compression
KR100467617B1 (ko) * 2002-10-30 2005-01-24 삼성전자주식회사 개선된 심리 음향 모델을 이용한 디지털 오디오 부호화방법과그 장치
WO2004047305A1 (ja) * 2002-11-21 2004-06-03 Nippon Telegraph And Telephone Corporation ディジタル信号処理方法、その処理器、そのプログラム、及びそのプログラムを格納した記録媒体
AU2003208517A1 (en) * 2003-03-11 2004-09-30 Nokia Corporation Switching between coding schemes
TW594674B (en) * 2003-03-14 2004-06-21 Mediatek Inc Encoder and a encoding method capable of detecting audio signal transient
KR101200776B1 (ko) 2003-04-17 2012-11-13 코닌클리케 필립스 일렉트로닉스 엔.브이. 오디오 신호 합성
FI118835B (fi) * 2004-02-23 2008-03-31 Nokia Corp Koodausmallin valinta
BRPI0418839A (pt) * 2004-05-17 2007-11-13 Nokia Corp método para suportar e dispositivo eletrÈnico suportando uma codificação de um sinal de áudio, sistema de codificação de áudio, e, produto de programa de software
US8423372B2 (en) 2004-08-26 2013-04-16 Sisvel International S.A. Processing of encoded signals
ATE537536T1 (de) * 2004-10-26 2011-12-15 Panasonic Corp Sprachkodierungsvorrichtung und sprachkodierungsverfahren
US7418394B2 (en) 2005-04-28 2008-08-26 Dolby Laboratories Licensing Corporation Method and system for operating audio encoders utilizing data from overlapping audio segments
CN1862969B (zh) * 2005-05-11 2010-06-09 尼禄股份公司 自适应块长、常数变换音频解码方法
TWI271703B (en) * 2005-07-22 2007-01-21 Pixart Imaging Inc Audio encoder and method thereof
US7610195B2 (en) * 2006-06-01 2009-10-27 Nokia Corporation Decoding of predictively coded data using buffer adaptation
US7987089B2 (en) 2006-07-31 2011-07-26 Qualcomm Incorporated Systems and methods for modifying a zero pad region of a windowed frame of an audio signal
DE102006051673A1 (de) * 2006-11-02 2008-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zum Nachbearbeiten von Spektralwerten und Encodierer und Decodierer für Audiosignale
KR101434198B1 (ko) * 2006-11-17 2014-08-26 삼성전자주식회사 신호 복호화 방법
KR20080053739A (ko) * 2006-12-11 2008-06-16 삼성전자주식회사 적응적으로 윈도우 크기를 적용하는 부호화 장치 및 방법
KR101016224B1 (ko) * 2006-12-12 2011-02-25 프라운호퍼-게젤샤프트 추르 푀르데룽 데어 안제반텐 포르슝 에 파우 인코더, 디코더 및 시간 영역 데이터 스트림을 나타내는 데이터 세그먼트를 인코딩하고 디코딩하는 방법
EP2311034B1 (en) * 2008-07-11 2015-11-04 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoder and decoder for encoding frames of sampled audio signals
PL2304723T3 (pl) * 2008-07-11 2013-03-29 Fraunhofer Ges Forschung Urządzenie i sposób dekodowania zakodowanego sygnału audio
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
WO2010148516A1 (en) * 2009-06-23 2010-12-29 Voiceage Corporation Forward time-domain aliasing cancellation with application in weighted or original signal domain
KR101790373B1 (ko) * 2010-06-14 2017-10-25 파나소닉 주식회사 오디오 하이브리드 부호화 장치 및 오디오 하이브리드 복호 장치
CA2804548C (en) * 2010-07-08 2016-06-21 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Coder using forward aliasing cancellation
EP2619758B1 (en) * 2010-10-15 2015-08-19 Huawei Technologies Co., Ltd. Audio signal transformer and inverse transformer, methods for audio signal analysis and synthesis

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TWI426503B (zh) 2014-02-11
JP5551693B2 (ja) 2014-07-16
JP2011527446A (ja) 2011-10-27
WO2010003532A1 (en) 2010-01-14
US8862480B2 (en) 2014-10-14
EP2301020A1 (en) 2011-03-30
PL2301020T3 (pl) 2013-06-28
EP2301020B1 (en) 2013-01-02
RU2492530C2 (ru) 2013-09-10
CA2730355A1 (en) 2010-01-14
CN102089812A (zh) 2011-06-08
BRPI0910783B1 (pt) 2024-02-27
MY152252A (en) 2014-09-15
ZA201009259B (en) 2011-09-28
CA2730355C (en) 2016-03-22
AU2009267518B2 (en) 2012-08-16
KR20110040823A (ko) 2011-04-20
KR101250309B1 (ko) 2013-04-04
RU2011102426A (ru) 2012-07-27
AU2009267518A1 (en) 2010-01-14
CO6341672A2 (es) 2011-11-21
TW201011737A (en) 2010-03-16
MX2011000373A (es) 2011-03-15
AR072479A1 (es) 2010-09-01
BRPI0910783A2 (pt) 2020-11-03
HK1155842A1 (en) 2012-05-25
US20110173009A1 (en) 2011-07-14
CN102089812B (zh) 2013-03-20

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