BR9405445A - Aparelho codificador e decodificador de sinal apropriado para codificar um sinal de entrada e decodificar um sinal codificado, suporte de gravação onde sinais codificados são gravados, e processo de codificação e de decodificação de sinal para codificar um sinal de entrada e decodificar um sinal codificado. - Google Patents

Aparelho codificador e decodificador de sinal apropriado para codificar um sinal de entrada e decodificar um sinal codificado, suporte de gravação onde sinais codificados são gravados, e processo de codificação e de decodificação de sinal para codificar um sinal de entrada e decodificar um sinal codificado.

Info

Publication number
BR9405445A
BR9405445A BR9405445-2A BR9405445A BR9405445A BR 9405445 A BR9405445 A BR 9405445A BR 9405445 A BR9405445 A BR 9405445A BR 9405445 A BR9405445 A BR 9405445A
Authority
BR
Brazil
Prior art keywords
signal
encoding
encoded
decoding
characteristic
Prior art date
Application number
BR9405445-2A
Other languages
English (en)
Inventor
Kyoya Tsutsui
Mito Sonohara
Original Assignee
Sony 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.)
Filing date
Publication date
Application filed by Sony Corp filed Critical Sony Corp
Publication of BR9405445A publication Critical patent/BR9405445A/pt

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B14/00—Transmission systems not characterised by the medium used for transmission
    • H04B14/02—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation
    • H04B14/04—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation using pulse code modulation
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G10L19/002—Dynamic bit allocation
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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 OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G10L19/0212—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 orthogonal transformation
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/66—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission
    • H04B1/667—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission using a division in frequency subbands
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G10L25/18—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 spectral information of each sub-band

Abstract

Patente de Invenção "APARELHO CODIFICADOR E DECODIFICADOR DE SINAL APROPRIADO PARA CODIFICAR UM SINAL DE ENTRADA E DECODIFICAR UM SINAL CODIFICADO, SUPORTE DE GRAVAçãO ONDE SINAIS CODIFICADOS SãO GRAVADOS, E PROCESSO DE CODIFICAçãO E DE DECODIFICAçãO DE SINAL PARA CODIFICAR UM SINAL DE ENTRADA E DECODIFICAR UM SINAL CODIFICADO". Um aparelho codificador de sinais para codificar um sinal acústico. Este aparelho codificador de sinais inclui um circuito de transformação para transformar um sinal acústico de entrada em componentes de freq³ência, um circuito separador de componentes de sinal para separar uma saída do circuito de transformação em componentes característicos de tonalidade e componentes características de ruído, um circuito codificador de características de tonalidade para codificar um sinal de componentes características de tonalidade, e um circuito codificador de componentes característicos de ruído para decodificar um sinal de componentes característicos de ruído, no qual o circuito codificador de componentes característicos de ruído codifica respectivos componentes de sinal do sinal de componentes característicos de tonalidade para que eles tenham respectivamente diferentes comprimentos de código para dessa maneira aperfeiçoar a eficiência de codificação sem degradar a qualidade de som com respeito ao sinal acústico de tonalidade característica.
BR9405445-2A 1993-06-30 1994-06-29 Aparelho codificador e decodificador de sinal apropriado para codificar um sinal de entrada e decodificar um sinal codificado, suporte de gravação onde sinais codificados são gravados, e processo de codificação e de decodificação de sinal para codificar um sinal de entrada e decodificar um sinal codificado. BR9405445A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP18332293 1993-06-30
PCT/JP1994/001056 WO1995001680A1 (fr) 1993-06-30 1994-06-29 Dispositif de codage de signaux numeriques, son dispositif de decodage, et son support d'enregistrement

Publications (1)

Publication Number Publication Date
BR9405445A true BR9405445A (pt) 1999-09-08

Family

ID=16133682

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9405445-2A BR9405445A (pt) 1993-06-30 1994-06-29 Aparelho codificador e decodificador de sinal apropriado para codificar um sinal de entrada e decodificar um sinal codificado, suporte de gravação onde sinais codificados são gravados, e processo de codificação e de decodificação de sinal para codificar um sinal de entrada e decodificar um sinal codificado.

Country Status (10)

Country Link
US (1) US5765126A (pt)
EP (2) EP1083674B1 (pt)
JP (1) JP3721582B2 (pt)
KR (1) KR100368854B1 (pt)
CN (2) CN1099777C (pt)
BR (1) BR9405445A (pt)
DE (2) DE69432538T2 (pt)
PL (2) PL173718B1 (pt)
RU (1) RU2131169C1 (pt)
WO (1) WO1995001680A1 (pt)

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW327223B (en) * 1993-09-28 1998-02-21 Sony Co Ltd Methods and apparatus for encoding an input signal broken into frequency components, methods and apparatus for decoding such encoded signal
JP3277699B2 (ja) * 1994-06-13 2002-04-22 ソニー株式会社 信号符号化方法及び装置並びに信号復号化方法及び装置
JP3250376B2 (ja) * 1994-06-13 2002-01-28 ソニー株式会社 情報符号化方法及び装置並びに情報復号化方法及び装置
US6167093A (en) * 1994-08-16 2000-12-26 Sony Corporation Method and apparatus for encoding the information, method and apparatus for decoding the information and method for information transmission
US5774837A (en) * 1995-09-13 1998-06-30 Voxware, Inc. Speech coding system and method using voicing probability determination
JP3282661B2 (ja) * 1997-05-16 2002-05-20 ソニー株式会社 信号処理装置および方法
ATE231666T1 (de) * 1997-06-23 2003-02-15 Liechti Ag Verfahren für die kompression der aufnahmen von umgebungsgeräuschen, verfahren für die erfassung von programmelementen darin, vorrichtung und computer-programm dafür
AU4975597A (en) * 1997-09-30 1999-04-23 Siemens Aktiengesellschaft A method of encoding a speech signal
US6965697B1 (en) * 1998-07-15 2005-11-15 Sony Corporation Coding apparatus and method, decoding apparatus and method, data processing system, storage medium, and signal
US6311154B1 (en) 1998-12-30 2001-10-30 Nokia Mobile Phones Limited Adaptive windows for analysis-by-synthesis CELP-type speech coding
US6298322B1 (en) * 1999-05-06 2001-10-02 Eric Lindemann Encoding and synthesis of tonal audio signals using dominant sinusoids and a vector-quantized residual tonal signal
US20020049586A1 (en) * 2000-09-11 2002-04-25 Kousuke Nishio Audio encoder, audio decoder, and broadcasting system
US6801887B1 (en) * 2000-09-20 2004-10-05 Nokia Mobile Phones Ltd. Speech coding exploiting the power ratio of different speech signal components
EP1442453B1 (en) * 2001-10-19 2006-09-06 Koninklijke Philips Electronics N.V. Frequency-differential encoding of sinusoidal model parameters
CN1308913C (zh) * 2002-04-11 2007-04-04 松下电器产业株式会社 编码设备、解码设备及其方法
JP3900000B2 (ja) * 2002-05-07 2007-03-28 ソニー株式会社 符号化方法及び装置、復号方法及び装置、並びにプログラム
US6973579B2 (en) 2002-05-07 2005-12-06 Interdigital Technology Corporation Generation of user equipment identification specific scrambling code for the high speed shared control channel
KR100462611B1 (ko) * 2002-06-27 2004-12-20 삼성전자주식회사 하모닉 성분을 이용한 오디오 코딩방법 및 장치
WO2004051627A1 (en) * 2002-11-29 2004-06-17 Koninklijke Philips Electronics N.V. Audio coding
RU2376657C2 (ru) 2005-04-01 2009-12-20 Квэлкомм Инкорпорейтед Системы, способы и устройства для высокополосного предыскажения шкалы времени
TWI317933B (en) 2005-04-22 2009-12-01 Qualcomm Inc Methods, data storage medium,apparatus of signal processing,and cellular telephone including the same
CN1831940B (zh) * 2006-04-07 2010-06-23 安凯(广州)微电子技术有限公司 基于音频解码器的音调和节奏调节方法
KR101261524B1 (ko) * 2007-03-14 2013-05-06 삼성전자주식회사 노이즈를 포함하는 오디오 신호를 저비트율로부호화/복호화하는 방법 및 이를 위한 장치
US8548815B2 (en) 2007-09-19 2013-10-01 Qualcomm Incorporated Efficient design of MDCT / IMDCT filterbanks for speech and audio coding applications
RU2451998C2 (ru) * 2007-09-19 2012-05-27 Квэлкомм Инкорпорейтед Эффективный способ проектирования набора фильтров для mdct/imdct в приложениях для кодирования речи и аудиосигналов
US8631060B2 (en) 2007-12-13 2014-01-14 Qualcomm Incorporated Fast algorithms for computation of 5-point DCT-II, DCT-IV, and DST-IV, and architectures
RU2464540C2 (ru) * 2007-12-13 2012-10-20 Квэлкомм Инкорпорейтед Быстрые алгоритмы для вычисления 5-точечного dct-ii, dct-iv и dst-iv, и архитектуры
CN101903944B (zh) 2007-12-18 2013-04-03 Lg电子株式会社 用于处理音频信号的方法和装置
US8401845B2 (en) 2008-03-05 2013-03-19 Voiceage Corporation System and method for enhancing a decoded tonal sound signal
US8498874B2 (en) * 2009-09-11 2013-07-30 Sling Media Pvt Ltd Audio signal encoding employing interchannel and temporal redundancy reduction
US9311925B2 (en) * 2009-10-12 2016-04-12 Nokia Technologies Oy Method, apparatus and computer program for processing multi-channel signals
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
JP6021498B2 (ja) 2012-08-01 2016-11-09 任天堂株式会社 データ圧縮装置、データ圧縮プログラム、データ圧縮システム、データ圧縮方法、データ伸張装置、データ圧縮伸張システム、および圧縮データのデータ構造
EP2720222A1 (en) * 2012-10-10 2014-04-16 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for efficient synthesis of sinusoids and sweeps by employing spectral patterns
RU2573248C2 (ru) * 2013-10-29 2016-01-20 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования Московский технический университет связи и информатики (ФГОБУ ВПО МТУСИ) Способ измерения спектра информационных акустических сигналов телерадиовещания и устройство для его осуществления

Family Cites Families (62)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3973081A (en) * 1975-09-12 1976-08-03 Trw Inc. Feedback residue compression for digital speech systems
US4170719A (en) * 1978-06-14 1979-10-09 Bell Telephone Laboratories, Incorporated Speech transmission system
US4184049A (en) * 1978-08-25 1980-01-15 Bell Telephone Laboratories, Incorporated Transform speech signal coding with pitch controlled adaptive quantizing
US4455649A (en) * 1982-01-15 1984-06-19 International Business Machines Corporation Method and apparatus for efficient statistical multiplexing of voice and data signals
US4535472A (en) * 1982-11-05 1985-08-13 At&T Bell Laboratories Adaptive bit allocator
JPS59223032A (ja) * 1983-06-01 1984-12-14 Sony Corp ディジタル信号伝送装置
DE3506912A1 (de) * 1985-02-27 1986-08-28 Telefunken Fernseh Und Rundfunk Gmbh, 3000 Hannover Verfahren zur uebertragung eines audiosignals
US4748579A (en) * 1985-08-14 1988-05-31 Gte Laboratories Incorporated Method and circuit for performing discrete transforms
JPH0734291B2 (ja) * 1986-07-28 1995-04-12 株式会社日立製作所 デイジタル信号記録再生システム
US4797926A (en) * 1986-09-11 1989-01-10 American Telephone And Telegraph Company, At&T Bell Laboratories Digital speech vocoder
JPH061916B2 (ja) * 1986-10-28 1994-01-05 日本電気株式会社 帯域分割符号化復号化装置
DE3688980T2 (de) * 1986-10-30 1994-04-21 Ibm Verfahren zur Multigeschwindigkeitskodierung von Signalen und Einrichtung zur Durchführung dieses Verfahrens.
DE3639753A1 (de) * 1986-11-21 1988-06-01 Inst Rundfunktechnik Gmbh Verfahren zum uebertragen digitalisierter tonsignale
JP2751201B2 (ja) * 1988-04-19 1998-05-18 ソニー株式会社 データ伝送装置及び受信装置
NL8700985A (nl) * 1987-04-27 1988-11-16 Philips Nv Systeem voor sub-band codering van een digitaal audiosignaal.
US4827336A (en) * 1987-12-18 1989-05-02 General Electric Company Symbol code generation processing from interframe DPCM of TDM'd spatial-frequency analyses of video signals
IL89672A (en) * 1988-04-29 1994-04-12 Motorola Inc Spectral efficient method of transmitting information signal
JP2638091B2 (ja) * 1988-06-24 1997-08-06 ソニー株式会社 データ伝送方法
CA2002015C (en) * 1988-12-30 1994-12-27 Joseph Lindley Ii Hall Perceptual coding of audio signals
US5142656A (en) * 1989-01-27 1992-08-25 Dolby Laboratories Licensing Corporation Low bit rate transform coder, decoder, and encoder/decoder for high-quality audio
US5109417A (en) * 1989-01-27 1992-04-28 Dolby Laboratories Licensing Corporation Low bit rate transform coder, decoder, and encoder/decoder for high-quality audio
US4932062A (en) * 1989-05-15 1990-06-05 Dialogic Corporation Method and apparatus for frequency analysis of telephone signals
EP0405591B1 (en) * 1989-06-30 1997-10-01 Nec Corporation Varaible length block coding with changing characteristics of input samples
JP2844695B2 (ja) * 1989-07-19 1999-01-06 ソニー株式会社 信号符号化装置
US5054075A (en) * 1989-09-05 1991-10-01 Motorola, Inc. Subband decoding method and apparatus
JPH03109824A (ja) * 1989-09-22 1991-05-09 Sony Corp ディジタル信号符号化装置
JP2906483B2 (ja) * 1989-10-25 1999-06-21 ソニー株式会社 ディジタル音声データの高能率符号化方法及びディジタル音声データの復号化装置
US5115240A (en) * 1989-09-26 1992-05-19 Sony Corporation Method and apparatus for encoding voice signals divided into a plurality of frequency bands
JPH03117919A (ja) * 1989-09-30 1991-05-20 Sony Corp ディジタル信号符号化装置
US5185800A (en) * 1989-10-13 1993-02-09 Centre National D'etudes Des Telecommunications Bit allocation device for transformed digital audio broadcasting signals with adaptive quantization based on psychoauditive criterion
JP2870050B2 (ja) * 1989-10-18 1999-03-10 ソニー株式会社 ディジタルデータの高能率符号化方法
US5040217A (en) * 1989-10-18 1991-08-13 At&T Bell Laboratories Perceptual coding of audio signals
JPH03132228A (ja) * 1989-10-18 1991-06-05 Victor Co Of Japan Ltd 直交変換信号符号化復号化方式
EP0428156B1 (en) * 1989-11-14 1996-08-21 Nec Corporation Adaptive transform coding by selecting optimum block lengths according to variations between successive blocks
US5081681B1 (en) * 1989-11-30 1995-08-15 Digital Voice Systems Inc Method and apparatus for phase synthesis for speech processing
JP2827410B2 (ja) * 1990-03-14 1998-11-25 ソニー株式会社 デイジタルデータの高能率符号化方法
JP2913731B2 (ja) * 1990-03-07 1999-06-28 ソニー株式会社 ディジタルデータの高能率符号化方法
JP2861238B2 (ja) * 1990-04-20 1999-02-24 ソニー株式会社 ディジタル信号符号化方法
US5367608A (en) * 1990-05-14 1994-11-22 U.S. Philips Corporation Transmitter, encoding system and method employing use of a bit allocation unit for subband coding a digital signal
US5222289A (en) * 1990-07-10 1993-06-29 Gemcor Engineering Corp. Method and apparatus for fastening
US5244705A (en) * 1990-08-24 1993-09-14 Sony Corporation Disc-shaped recording medium
JP3141241B2 (ja) * 1990-08-24 2001-03-05 ソニー株式会社 ディスク記録装置及びディスク再生装置
US5049992A (en) * 1990-08-27 1991-09-17 Zenith Electronics Corporation HDTV system with receivers operable at different levels of resolution
US5226084A (en) * 1990-12-05 1993-07-06 Digital Voice Systems, Inc. Methods for speech quantization and error correction
US5134475A (en) * 1990-12-11 1992-07-28 At&T Bell Laboratories Adaptive leak hdtv encoder
JP2853717B2 (ja) * 1991-03-08 1999-02-03 日本電気株式会社 可変ビット型ａｄｐｃｍトランスコーダ
EP0531538B1 (en) * 1991-03-29 1998-04-15 Sony Corporation Reduction of the size of side-information for Subband coding
EP0506394A2 (en) * 1991-03-29 1992-09-30 Sony Corporation Coding apparatus for digital signals
JP3395192B2 (ja) * 1991-05-25 2003-04-07 ソニー株式会社 ディジタルオーディオ信号再生装置、ディスクプレーヤの再生ポーズ回路及びディスク再生装置の再生制御回路
KR100268623B1 (ko) * 1991-06-28 2000-10-16 이데이 노부유끼 압축 데이타 기록 재생 장치 및 신호 처리 방법
EP0525809B1 (en) * 1991-08-02 2001-12-05 Sony Corporation Digital encoder with dynamic quantization bit allocation
GB2258372B (en) * 1991-08-02 1995-05-31 Sony Corp Apparatus for and methods of recording and/or reproducing digital data
JP3178026B2 (ja) * 1991-08-23 2001-06-18 ソニー株式会社 ディジタル信号符号化装置及び復号化装置
JP3141450B2 (ja) * 1991-09-30 2001-03-05 ソニー株式会社 オーディオ信号処理方法
DE69231369T2 (de) * 1991-09-30 2001-03-29 Sony Corp Verfahren und Einrichtung zur Audiodatenkompression
JP3134455B2 (ja) * 1992-01-29 2001-02-13 ソニー株式会社 高能率符号化装置及び方法
JP3104400B2 (ja) * 1992-04-27 2000-10-30 ソニー株式会社 オーディオ信号符号化装置及び方法
KR0150955B1 (ko) * 1992-05-27 1998-10-15 강진구 비트고정을 위한 영상압축방법과 신장방법 및 그 장치
JPH0629934A (ja) * 1992-07-10 1994-02-04 Nippon Hoso Kyokai <Nhk> 適応差分符号化伝送方法
JP3508146B2 (ja) * 1992-09-11 2004-03-22 ソニー株式会社 ディジタル信号符号化復号化装置、ディジタル信号符号化装置及びディジタル信号復号化装置
JP3343962B2 (ja) * 1992-11-11 2002-11-11 ソニー株式会社 高能率符号化方法及び装置
JP3186413B2 (ja) * 1994-04-01 2001-07-11 ソニー株式会社 データ圧縮符号化方法、データ圧縮符号化装置及びデータ記録媒体

Also Published As

Publication number Publication date
EP0663739B1 (en) 2001-08-22
CN1099777C (zh) 2003-01-22
WO1995001680A1 (fr) 1995-01-12
CN1440144A (zh) 2003-09-03
DE69428030D1 (de) 2001-09-27
DE69432538T2 (de) 2004-04-01
PL173718B1 (pl) 1998-04-30
DE69432538D1 (de) 2003-05-22
JP3721582B2 (ja) 2005-11-30
US5765126A (en) 1998-06-09
EP0663739A4 (en) 1998-09-09
DE69428030T2 (de) 2002-05-29
EP1083674A2 (en) 2001-03-14
CN1217502C (zh) 2005-08-31
PL307740A1 (en) 1995-06-12
CN1113096A (zh) 1995-12-06
EP0663739A1 (en) 1995-07-19
KR100368854B1 (ko) 2003-05-17
EP1083674B1 (en) 2003-04-16
KR950703231A (ko) 1995-08-23
EP1083674A3 (en) 2001-04-11
RU2131169C1 (ru) 1999-05-27
PL174314B1 (pl) 1998-07-31

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