ATE505786T1 - Methoden zur interoperabilität zwischen adaptiven multiraten breitband-sprachkodierern (amr-wb) und multimode-breitband-sprachkodierern mit variabler bitrate (vmr-wb) - Google Patents

Methoden zur interoperabilität zwischen adaptiven multiraten breitband-sprachkodierern (amr-wb) und multimode-breitband-sprachkodierern mit variabler bitrate (vmr-wb)

Info

Publication number
ATE505786T1
ATE505786T1 AT03769097T AT03769097T ATE505786T1 AT E505786 T1 ATE505786 T1 AT E505786T1 AT 03769097 T AT03769097 T AT 03769097T AT 03769097 T AT03769097 T AT 03769097T AT E505786 T1 ATE505786 T1 AT E505786T1
Authority
AT
Austria
Prior art keywords
wideband
amr
rate
vmr
codec
Prior art date
Application number
AT03769097T
Other languages
English (en)
Inventor
Milan Jelinek
Redwan Salami
Original Assignee
Nokia Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Nokia Corp filed Critical Nokia Corp
Application granted granted Critical
Publication of ATE505786T1 publication Critical patent/ATE505786T1/de

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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
    • G10L19/173—Transcoding, i.e. converting between two coded representations avoiding cascaded coding-decoding
    • 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
    • G10L19/24—Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding
    • 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
    • G10L25/93—Discriminating between voiced and unvoiced parts of speech signals
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Filters That Use Time-Delay Elements (AREA)
  • Studio Devices (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
AT03769097T 2002-10-11 2003-10-10 Methoden zur interoperabilität zwischen adaptiven multiraten breitband-sprachkodierern (amr-wb) und multimode-breitband-sprachkodierern mit variabler bitrate (vmr-wb) ATE505786T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US41766702P 2002-10-11 2002-10-11
PCT/CA2003/001572 WO2004034376A2 (en) 2002-10-11 2003-10-10 Methods for interoperation between adaptive multi-rate wideband (amr-wb) and multi-mode variable bit-rate wideband (wmr-wb) speech codecs

Publications (1)

Publication Number Publication Date
ATE505786T1 true ATE505786T1 (de) 2011-04-15

Family

ID=32094059

Family Applications (1)

Application Number Title Priority Date Filing Date
AT03769097T ATE505786T1 (de) 2002-10-11 2003-10-10 Methoden zur interoperabilität zwischen adaptiven multiraten breitband-sprachkodierern (amr-wb) und multimode-breitband-sprachkodierern mit variabler bitrate (vmr-wb)

Country Status (15)

Country Link
US (1) US7203638B2 (de)
EP (2) EP1550108A2 (de)
JP (2) JP2006502426A (de)
KR (2) KR100711280B1 (de)
CN (2) CN1703736A (de)
AT (1) ATE505786T1 (de)
AU (2) AU2003278013A1 (de)
BR (2) BR0315179A (de)
CA (2) CA2501368C (de)
DE (1) DE60336744D1 (de)
EG (1) EG23923A (de)
ES (1) ES2361154T3 (de)
MY (2) MY134085A (de)
RU (2) RU2331933C2 (de)
WO (2) WO2004034379A2 (de)

Families Citing this family (99)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7023880B2 (en) * 2002-10-28 2006-04-04 Qualcomm Incorporated Re-formatting variable-rate vocoder frames for inter-system transmissions
US7406096B2 (en) * 2002-12-06 2008-07-29 Qualcomm Incorporated Tandem-free intersystem voice communication
WO2004075582A1 (en) 2003-02-21 2004-09-02 Nortel Networks Limited Data communication apparatus and method for establishing a codec-bypass connection
WO2004090870A1 (ja) * 2003-04-04 2004-10-21 Kabushiki Kaisha Toshiba 広帯域音声を符号化または復号化するための方法及び装置
US7450570B1 (en) 2003-11-03 2008-11-11 At&T Intellectual Property Ii, L.P. System and method of providing a high-quality voice network architecture
US8019449B2 (en) 2003-11-03 2011-09-13 At&T Intellectual Property Ii, Lp Systems, methods, and devices for processing audio signals
US20060034481A1 (en) * 2003-11-03 2006-02-16 Farhad Barzegar Systems, methods, and devices for processing audio signals
FR2867648A1 (fr) * 2003-12-10 2005-09-16 France Telecom Transcodage entre indices de dictionnaires multi-impulsionnels utilises en codage en compression de signaux numeriques
US8027265B2 (en) 2004-03-19 2011-09-27 Genband Us Llc Providing a capability list of a predefined format in a communications network
WO2005089055A2 (en) 2004-03-19 2005-09-29 Nortel Networks Limited Communicating processing capabilites along a communications path
US7830864B2 (en) 2004-09-18 2010-11-09 Genband Us Llc Apparatus and methods for per-session switching for multiple wireline and wireless data types
US7729346B2 (en) 2004-09-18 2010-06-01 Genband Inc. UMTS call handling methods and apparatus
US8102872B2 (en) 2005-02-01 2012-01-24 Qualcomm Incorporated Method for discontinuous transmission and accurate reproduction of background noise information
US7346502B2 (en) * 2005-03-24 2008-03-18 Mindspeed Technologies, Inc. Adaptive noise state update for a voice activity detector
US20060262851A1 (en) * 2005-05-19 2006-11-23 Celtro Ltd. Method and system for efficient transmission of communication traffic
US8483173B2 (en) 2005-05-31 2013-07-09 Genband Us Llc Methods and systems for unlicensed mobile access realization in a media gateway
JP4948401B2 (ja) * 2005-05-31 2012-06-06 パナソニック株式会社 スケーラブル符号化装置およびスケーラブル符号化方法
PL1897085T3 (pl) * 2005-06-18 2017-10-31 Nokia Technologies Oy System i sposób adaptacyjnej transmisji parametrów szumu łagodzącego w czasie nieciągłej transmisji mowy
US8032368B2 (en) * 2005-07-11 2011-10-04 Lg Electronics Inc. Apparatus and method of encoding and decoding audio signals using hierarchical block swithcing and linear prediction coding
KR101116363B1 (ko) 2005-08-11 2012-03-09 삼성전자주식회사 음성신호 분류방법 및 장치, 및 이를 이용한 음성신호부호화방법 및 장치
US7792150B2 (en) 2005-08-19 2010-09-07 Genband Us Llc Methods, systems, and computer program products for supporting transcoder-free operation in media gateway
US7835346B2 (en) * 2006-01-17 2010-11-16 Genband Us Llc Methods, systems, and computer program products for providing transcoder free operation (TrFO) and interworking between unlicensed mobile access (UMA) and universal mobile telecommunications system (UMTS) call legs using a media gateway
KR100790110B1 (ko) * 2006-03-18 2008-01-02 삼성전자주식회사 모폴로지 기반의 음성 신호 코덱 방법 및 장치
US8032370B2 (en) * 2006-05-09 2011-10-04 Nokia Corporation Method, apparatus, system and software product for adaptation of voice activity detection parameters based on the quality of the coding modes
US8135047B2 (en) * 2006-07-31 2012-03-13 Qualcomm Incorporated Systems and methods for including an identifier with a packet associated with a speech signal
US8725499B2 (en) 2006-07-31 2014-05-13 Qualcomm Incorporated Systems, methods, and apparatus for signal change detection
US8260609B2 (en) 2006-07-31 2012-09-04 Qualcomm Incorporated Systems, methods, and apparatus for wideband encoding and decoding of inactive frames
US8848618B2 (en) * 2006-08-22 2014-09-30 Qualcomm Incorporated Semi-persistent scheduling for traffic spurts in wireless communication
EP2108193B1 (de) 2006-12-28 2018-08-15 Genband US LLC Verfahren, systeme und computerprogrammprodukte zur umsetzung des stille-einfügungsdescriptors (sid)
US8279889B2 (en) * 2007-01-04 2012-10-02 Qualcomm Incorporated Systems and methods for dimming a first packet associated with a first bit rate to a second packet associated with a second bit rate
CN101246688B (zh) * 2007-02-14 2011-01-12 华为技术有限公司 一种对背景噪声信号进行编解码的方法、系统和装置
CN101647059B (zh) 2007-02-26 2012-09-05 杜比实验室特许公司 增强娱乐音频中的语音的方法和设备
ES2529292T3 (es) 2007-04-29 2015-02-18 Huawei Technologies Co., Ltd. Método de codificación y de decodificación
CN101320559B (zh) * 2007-06-07 2011-05-18 华为技术有限公司 一种声音激活检测装置及方法
EP2165328B1 (de) 2007-06-11 2018-01-17 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Kodierung und dekodierung eines audiosignals, das aus einem impuls-ähnlichen anteil und einem stationären anteil besteht
US8090588B2 (en) 2007-08-31 2012-01-03 Nokia Corporation System and method for providing AMR-WB DTX synchronization
DE102008009719A1 (de) * 2008-02-19 2009-08-20 Siemens Enterprise Communications Gmbh & Co. Kg Verfahren und Mittel zur Enkodierung von Hintergrundrauschinformationen
CN101527140B (zh) * 2008-03-05 2011-07-20 上海摩波彼克半导体有限公司 第三代移动通信系统amr计算量化平均对数帧能量的方法
JP2011518345A (ja) * 2008-03-14 2011-06-23 ドルビー・ラボラトリーズ・ライセンシング・コーポレーション スピーチライク信号及びノンスピーチライク信号のマルチモードコーディング
US9848314B2 (en) * 2008-05-19 2017-12-19 Qualcomm Incorporated Managing discovery in a wireless peer-to-peer network
US9198017B2 (en) 2008-05-19 2015-11-24 Qualcomm Incorporated Infrastructure assisted discovery in a wireless peer-to-peer network
US8768690B2 (en) 2008-06-20 2014-07-01 Qualcomm Incorporated Coding scheme selection for low-bit-rate applications
US20090319263A1 (en) * 2008-06-20 2009-12-24 Qualcomm Incorporated Coding of transitional speech frames for low-bit-rate applications
US20090319261A1 (en) * 2008-06-20 2009-12-24 Qualcomm Incorporated Coding of transitional speech frames for low-bit-rate applications
MY154452A (en) 2008-07-11 2015-06-15 Fraunhofer Ges Forschung An apparatus and a method for decoding an encoded audio signal
AU2009267530A1 (en) 2008-07-11 2010-01-14 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. An apparatus and a method for generating bandwidth extension output data
CA2730232C (en) * 2008-07-11 2015-12-01 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. An apparatus and a method for decoding an encoded audio signal
ES2654433T3 (es) 2008-07-11 2018-02-13 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Codificador de señal de audio, método para codificar una señal de audio y programa informático
US20120095760A1 (en) * 2008-12-19 2012-04-19 Ojala Pasi S Apparatus, a method and a computer program for coding
CN101599272B (zh) * 2008-12-30 2011-06-08 华为技术有限公司 基音搜索方法及装置
EP2237269B1 (de) 2009-04-01 2013-02-20 Motorola Mobility LLC Vorrichtung und Verfahren zur Verarbeitung eines enkodierten Audiodatensignals
CN101931414B (zh) * 2009-06-19 2013-04-24 华为技术有限公司 脉冲编码方法及装置、脉冲解码方法及装置
US8908541B2 (en) 2009-08-04 2014-12-09 Genband Us Llc Methods, systems, and computer readable media for intelligent optimization of digital signal processor (DSP) resource utilization in a media gateway
FR2954640B1 (fr) 2009-12-23 2012-01-20 Arkamys Procede d'optimisation de la reception stereo pour radio analogique et recepteur de radio analogique associe
US8423355B2 (en) * 2010-03-05 2013-04-16 Motorola Mobility Llc Encoder for audio signal including generic audio and speech frames
CN102299760B (zh) * 2010-06-24 2014-03-12 华为技术有限公司 脉冲编解码方法及脉冲编解码器
KR101826331B1 (ko) * 2010-09-15 2018-03-22 삼성전자주식회사 고주파수 대역폭 확장을 위한 부호화/복호화 장치 및 방법
ES2727748T3 (es) 2010-11-22 2019-10-18 Ntt Docomo Inc Dispositivo y método de codificación de audio
TWI480857B (zh) * 2011-02-14 2015-04-11 Fraunhofer Ges Forschung 在不活動階段期間利用雜訊合成之音訊編解碼器
JP5800915B2 (ja) 2011-02-14 2015-10-28 フラウンホッファー−ゲゼルシャフト ツァ フェルダールング デァ アンゲヴァンテン フォアシュンク エー．ファオ オーディオ信号のトラックのパルス位置の符号化および復号化
SG185519A1 (en) 2011-02-14 2012-12-28 Fraunhofer Ges Forschung Information signal representation using lapped transform
JP5625126B2 (ja) 2011-02-14 2014-11-12 フラウンホーファー−ゲゼルシャフト・ツール・フェルデルング・デル・アンゲヴァンテン・フォルシュング・アインゲトラーゲネル・フェライン スペクトル領域ノイズ整形を使用する線形予測ベースコーディングスキーム
JP5849106B2 (ja) 2011-02-14 2016-01-27 フラウンホーファー−ゲゼルシャフト・ツール・フェルデルング・デル・アンゲヴァンテン・フォルシュング・アインゲトラーゲネル・フェライン 低遅延の統合されたスピーチ及びオーディオ符号化におけるエラー隠しのための装置及び方法
PT2676270T (pt) 2011-02-14 2017-05-02 Fraunhofer Ges Forschung Codificação de uma parte de um sinal de áudio utilizando uma deteção de transiente e um resultado de qualidade
RU2560788C2 (ru) 2011-02-14 2015-08-20 Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. Устройство и способ для обработки декодированного аудиосигнала в спектральной области
CN102737636B (zh) * 2011-04-13 2014-06-04 华为技术有限公司 一种音频编码方法及装置
WO2012153165A1 (en) * 2011-05-06 2012-11-15 Nokia Corporation A pitch estimator
KR20140085453A (ko) * 2011-10-27 2014-07-07 엘지전자 주식회사 음성 신호 부호화 방법 및 복호화 방법과 이를 이용하는 장치
CN102543090B (zh) * 2011-12-31 2013-12-04 深圳市茂碧信息科技有限公司 一种应用于变速率语音和音频编码的码率自动控制系统
CN103200635B (zh) 2012-01-05 2016-06-29 华为技术有限公司 用户设备在无线网络控制器之间迁移的方法、装置及系统
US9236053B2 (en) * 2012-07-05 2016-01-12 Panasonic Intellectual Property Management Co., Ltd. Encoding and decoding system, decoding apparatus, encoding apparatus, encoding and decoding method
CN104603874B (zh) 2012-08-31 2017-07-04 瑞典爱立信有限公司 用于语音活动性检测的方法和设备
US8982702B2 (en) 2012-10-30 2015-03-17 Cisco Technology, Inc. Control of rate adaptive endpoints
EP3933836A1 (de) 2012-11-13 2022-01-05 Samsung Electronics Co., Ltd. Verfahren und vorrichtung zur bestimmung eines codierungsmodus, verfahren und vorrichtung zur audiosignalcodierung und verfahren und vorrichtung zur decodierung von audiosignalen
WO2014096280A1 (en) 2012-12-21 2014-06-26 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Comfort noise addition for modeling background noise at low bit-rates
BR112015014212B1 (pt) 2012-12-21 2021-10-19 Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. Geração de um ruído de conforto com alta resolução espectro-temporal em transmissão descontínua de sinais de audio
CN103915097B (zh) * 2013-01-04 2017-03-22 中国移动通信集团公司 一种语音信号处理方法、装置和系统
US9263054B2 (en) * 2013-02-21 2016-02-16 Qualcomm Incorporated Systems and methods for controlling an average encoding rate for speech signal encoding
US9208775B2 (en) * 2013-02-21 2015-12-08 Qualcomm Incorporated Systems and methods for determining pitch pulse period signal boundaries
PT3011554T (pt) 2013-06-21 2019-10-24 Fraunhofer Ges Forschung Estimação de atraso de tom.
MX352092B (es) * 2013-06-21 2017-11-08 Fraunhofer Ges Forschung Aparato y método para mejorar el ocultamiento del libro de códigos adaptativo en la ocultación similar a acelp empleando una resincronización de pulsos mejorada.
CN106409310B (zh) 2013-08-06 2019-11-19 华为技术有限公司 一种音频信号分类方法和装置
US9570093B2 (en) * 2013-09-09 2017-02-14 Huawei Technologies Co., Ltd. Unvoiced/voiced decision for speech processing
CN104517612B (zh) * 2013-09-30 2018-10-12 上海爱聊信息科技有限公司 基于amr-nb语音信号的可变码率编码器和解码器及其编码和解码方法
US10083708B2 (en) * 2013-10-11 2018-09-25 Qualcomm Incorporated Estimation of mixing factors to generate high-band excitation signal
EP2980790A1 (de) * 2014-07-28 2016-02-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zur Komfortgeräuscherzeugungs-Modusauswahl
US9953655B2 (en) * 2014-09-29 2018-04-24 Qualcomm Incorporated Optimizing frequent in-band signaling in dual SIM dual active devices by comparing signal level (RxLev) and quality (RxQual) against predetermined thresholds
CN104299384A (zh) * 2014-10-13 2015-01-21 浙江大学 一种基于Zigbee异质传感器网络的环境监控系统
US20160323425A1 (en) * 2015-04-29 2016-11-03 Qualcomm Incorporated Enhanced voice services (evs) in 3gpp2 network
CN106328169B (zh) * 2015-06-26 2018-12-11 中兴通讯股份有限公司 一种激活音修正帧数的获取方法、激活音检测方法和装置
US10568143B2 (en) * 2017-03-28 2020-02-18 Cohere Technologies, Inc. Windowed sequence for random access method and apparatus
CN108737826B (zh) * 2017-04-18 2023-06-30 中兴通讯股份有限公司 一种视频编码的方法和装置
WO2019056108A1 (en) * 2017-09-20 2019-03-28 Voiceage Corporation METHOD AND DEVICE FOR EFFICIENT DISTRIBUTION OF A BINARY BUDGET IN A CELP CODEC
RU2670469C1 (ru) * 2017-10-19 2018-10-23 Акционерное общество "ОДК-Авиадвигатель" Способ защиты газотурбинного двигателя от многократных помпажей компрессора
BR112021020507A2 (pt) * 2019-05-07 2021-12-07 Voiceage Corp Métodos e dispositivos para detectar um ataque em um sinal de som a ser codificado e para codificar o ataque detectado
CN110619881B (zh) * 2019-09-20 2022-04-15 北京百瑞互联技术有限公司 一种语音编码方法、装置及设备
WO2021086624A1 (en) 2019-10-29 2021-05-06 Qsinx Management Llc Audio encoding with compressed ambience
JP7332518B2 (ja) * 2020-03-30 2023-08-23 本田技研工業株式会社 会話支援装置、会話支援システム、会話支援方法およびプログラム
CN113611325B (zh) * 2021-04-26 2023-07-04 珠海市杰理科技股份有限公司 基于清浊音实现的语音信号变速方法、装置和音频设备

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW271524B (de) * 1994-08-05 1996-03-01 Qualcomm Inc
FI991605A (fi) * 1999-07-14 2001-01-15 Nokia Networks Oy Menetelmä puhekodaukseen ja puhekoodaukseen tarvittavan laskentakapasi teetin vähentämiseksi ja verkkoelementti
JP2001067807A (ja) * 1999-08-25 2001-03-16 Sanyo Electric Co Ltd 音声再生装置
US6604070B1 (en) * 1999-09-22 2003-08-05 Conexant Systems, Inc. System of encoding and decoding speech signals
US6782360B1 (en) * 1999-09-22 2004-08-24 Mindspeed Technologies, Inc. Gain quantization for a CELP speech coder
US20020083461A1 (en) * 2000-11-22 2002-06-27 Hutcheson Stewart Douglas Method and system for providing interactive services over a wireless communications network
US6631139B2 (en) * 2001-01-31 2003-10-07 Qualcomm Incorporated Method and apparatus for interoperability between voice transmission systems during speech inactivity
JP4518714B2 (ja) * 2001-08-31 2010-08-04 富士通株式会社 音声符号変換方法

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Publication number Publication date
EG23923A (en) 2007-12-30
BR0315179A (pt) 2005-08-23
KR20050049538A (ko) 2005-05-25
CN1703736A (zh) 2005-11-30
RU2005113876A (ru) 2005-10-10
KR20050049537A (ko) 2005-05-25
WO2004034376A3 (en) 2004-06-10
ES2361154T3 (es) 2011-06-14
JP2006502426A (ja) 2006-01-19
JP2006502427A (ja) 2006-01-19
CA2501368C (en) 2013-06-25
KR100711280B1 (ko) 2007-04-25
MY134085A (en) 2007-11-30
CA2501369A1 (en) 2004-04-22
AU2003278014A8 (en) 2004-05-04
RU2005113877A (ru) 2005-10-10
EP1554718B1 (de) 2011-04-13
DE60336744D1 (de) 2011-05-26
CA2501368A1 (en) 2004-04-22
MY138212A (en) 2009-05-29
AU2003278014A1 (en) 2004-05-04
CN1703737B (zh) 2013-05-15
WO2004034376A2 (en) 2004-04-22
EP1550108A2 (de) 2005-07-06
AU2003278013A1 (en) 2004-05-04
WO2004034379A2 (en) 2004-04-22
US7203638B2 (en) 2007-04-10
WO2004034379A3 (en) 2004-12-23
RU2351907C2 (ru) 2009-04-10
EP1554718A2 (de) 2005-07-20
BR0315216A (pt) 2005-08-16
US20050267746A1 (en) 2005-12-01
CN1703737A (zh) 2005-11-30
AU2003278013A8 (en) 2004-05-04
RU2331933C2 (ru) 2008-08-20

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