ZA200404625B - Signal modification method for efficient coding of speech signals - Google Patents
Signal modification method for efficient coding of speech signals Download PDFInfo
- Publication number
- ZA200404625B ZA200404625B ZA200404625A ZA200404625A ZA200404625B ZA 200404625 B ZA200404625 B ZA 200404625B ZA 200404625 A ZA200404625 A ZA 200404625A ZA 200404625 A ZA200404625 A ZA 200404625A ZA 200404625 B ZA200404625 B ZA 200404625B
- Authority
- ZA
- South Africa
- Prior art keywords
- signal
- pitch
- frame
- speech signal
- delay
- Prior art date
Links
- 238000002715 modification method Methods 0.000 title abstract description 31
- 238000000034 method Methods 0.000 claims abstract description 101
- 238000001914 filtration Methods 0.000 claims abstract description 20
- 238000012545 processing Methods 0.000 claims abstract description 13
- 238000004458 analytical method Methods 0.000 claims abstract description 8
- 238000004891 communication Methods 0.000 claims description 15
- 238000007670 refining Methods 0.000 claims 1
- 238000012986 modification Methods 0.000 abstract description 88
- 230000004048 modification Effects 0.000 abstract description 88
- 230000005236 sound signal Effects 0.000 abstract description 79
- 230000007774 longterm Effects 0.000 abstract description 39
- 238000013507 mapping Methods 0.000 abstract description 4
- 230000005284 excitation Effects 0.000 description 44
- 230000003044 adaptive effect Effects 0.000 description 22
- 230000000875 corresponding effect Effects 0.000 description 18
- 238000010586 diagram Methods 0.000 description 11
- 230000004044 response Effects 0.000 description 11
- 238000003786 synthesis reaction Methods 0.000 description 10
- 238000007781 pre-processing Methods 0.000 description 9
- 230000007246 mechanism Effects 0.000 description 8
- 230000006870 function Effects 0.000 description 7
- 230000010355 oscillation Effects 0.000 description 7
- 230000015572 biosynthetic process Effects 0.000 description 6
- 230000011218 segmentation Effects 0.000 description 6
- 238000007796 conventional method Methods 0.000 description 5
- 238000005070 sampling Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 230000000593 degrading effect Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000001360 synchronised effect Effects 0.000 description 4
- 238000004422 calculation algorithm Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000013139 quantization Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 239000000872 buffer Substances 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 238000012935 Averaging Methods 0.000 description 1
- 101100426956 Caenorhabditis elegans ttn-1 gene Proteins 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
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- 230000002035 prolonged effect Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
Classifications
-
- 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
- G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
- G10L19/09—Long term prediction, i.e. removing periodical redundancies, e.g. by using adaptive codebook or pitch predictor
-
- 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
- G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
-
- 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
- G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
- G10L19/12—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a code excitation, e.g. in code excited linear prediction [CELP] vocoders
Landscapes
- Engineering & Computer Science (AREA)
- Computational Linguistics (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA002365203A CA2365203A1 (en) | 2001-12-14 | 2001-12-14 | A signal modification method for efficient coding of speech signals |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA200404625B true ZA200404625B (en) | 2006-05-31 |
Family
ID=4170862
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA200404625A ZA200404625B (en) | 2001-12-14 | 2004-06-10 | Signal modification method for efficient coding of speech signals |
Country Status (19)
| Country | Link |
|---|---|
| US (2) | US7680651B2 (ja) |
| EP (2) | EP1454315B1 (ja) |
| JP (1) | JP2005513539A (ja) |
| KR (1) | KR20040072658A (ja) |
| CN (2) | CN101488345B (ja) |
| AT (1) | ATE358870T1 (ja) |
| AU (1) | AU2002350340B2 (ja) |
| BR (1) | BR0214920A (ja) |
| CA (1) | CA2365203A1 (ja) |
| DE (1) | DE60219351T2 (ja) |
| ES (1) | ES2283613T3 (ja) |
| HK (2) | HK1069472A1 (ja) |
| MX (1) | MXPA04005764A (ja) |
| MY (1) | MY131886A (ja) |
| NO (1) | NO20042974L (ja) |
| NZ (1) | NZ533416A (ja) |
| RU (1) | RU2302665C2 (ja) |
| WO (1) | WO2003052744A2 (ja) |
| ZA (1) | ZA200404625B (ja) |
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| US20050091044A1 (en) * | 2003-10-23 | 2005-04-28 | Nokia Corporation | Method and system for pitch contour quantization in audio coding |
| AU2006232361B2 (en) * | 2005-04-01 | 2010-12-23 | Qualcomm Incorporated | Methods and apparatus for encoding and decoding an highband portion of a speech signal |
| US20060221059A1 (en) * | 2005-04-01 | 2006-10-05 | Samsung Electronics Co., Ltd. | Portable terminal having display buttons and method of inputting functions using display buttons |
| PL1875463T3 (pl) * | 2005-04-22 | 2019-03-29 | Qualcomm Incorporated | Układy, sposoby i urządzenie do wygładzania współczynnika wzmocnienia |
| WO2006137425A1 (ja) * | 2005-06-23 | 2006-12-28 | Matsushita Electric Industrial Co., Ltd. | オーディオ符号化装置、オーディオ復号化装置およびオーディオ符号化情報伝送装置 |
| EP1905009B1 (en) * | 2005-07-14 | 2009-09-16 | Koninklijke Philips Electronics N.V. | Audio signal synthesis |
| JP2007114417A (ja) * | 2005-10-19 | 2007-05-10 | Fujitsu Ltd | 音声データ処理方法及び装置 |
| EP2013871A4 (en) * | 2006-04-27 | 2011-08-24 | Technologies Humanware Inc | METHOD FOR TEMPORALLY NORMALIZING AN AUDIO SIGNAL |
| US8260609B2 (en) * | 2006-07-31 | 2012-09-04 | Qualcomm Incorporated | Systems, methods, and apparatus for wideband encoding and decoding of inactive frames |
| US8239190B2 (en) | 2006-08-22 | 2012-08-07 | Qualcomm Incorporated | Time-warping frames of wideband vocoder |
| US8688437B2 (en) | 2006-12-26 | 2014-04-01 | Huawei Technologies Co., Ltd. | Packet loss concealment for speech coding |
| KR100883656B1 (ko) * | 2006-12-28 | 2009-02-18 | 삼성전자주식회사 | 오디오 신호의 분류 방법 및 장치와 이를 이용한 오디오신호의 부호화/복호화 방법 및 장치 |
| JP5596341B2 (ja) * | 2007-03-02 | 2014-09-24 | パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカ | 音声符号化装置および音声符号化方法 |
| US8312492B2 (en) * | 2007-03-19 | 2012-11-13 | At&T Intellectual Property I, L.P. | Systems and methods of providing modified media content |
| US8160872B2 (en) * | 2007-04-05 | 2012-04-17 | Texas Instruments Incorporated | Method and apparatus for layered code-excited linear prediction speech utilizing linear prediction excitation corresponding to optimal gains |
| US9653088B2 (en) | 2007-06-13 | 2017-05-16 | Qualcomm Incorporated | Systems, methods, and apparatus for signal encoding using pitch-regularizing and non-pitch-regularizing coding |
| US8515767B2 (en) | 2007-11-04 | 2013-08-20 | Qualcomm Incorporated | Technique for encoding/decoding of codebook indices for quantized MDCT spectrum in scalable speech and audio codecs |
| WO2009078093A1 (ja) * | 2007-12-18 | 2009-06-25 | Fujitsu Limited | 非音声区間検出方法及び非音声区間検出装置 |
| EP2107556A1 (en) | 2008-04-04 | 2009-10-07 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio transform coding using pitch correction |
| KR20090122143A (ko) * | 2008-05-23 | 2009-11-26 | 엘지전자 주식회사 | 오디오 신호 처리 방법 및 장치 |
| US8355921B2 (en) * | 2008-06-13 | 2013-01-15 | Nokia Corporation | Method, apparatus and computer program product for providing improved audio processing |
| US20090319261A1 (en) * | 2008-06-20 | 2009-12-24 | Qualcomm Incorporated | Coding of transitional speech frames 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 |
| US8768690B2 (en) * | 2008-06-20 | 2014-07-01 | Qualcomm Incorporated | Coding scheme selection for low-bit-rate applications |
| CN102150201B (zh) | 2008-07-11 | 2013-04-17 | 弗劳恩霍夫应用研究促进协会 | 提供时间扭曲激活信号以及使用该时间扭曲激活信号对音频信号编码 |
| MY154452A (en) | 2008-07-11 | 2015-06-15 | Fraunhofer Ges Forschung | An apparatus and a method for decoding an encoded audio signal |
| GB2466671B (en) | 2009-01-06 | 2013-03-27 | Skype | Speech encoding |
| GB2466669B (en) | 2009-01-06 | 2013-03-06 | Skype | Speech coding |
| GB2466675B (en) | 2009-01-06 | 2013-03-06 | Skype | Speech coding |
| GB2466672B (en) | 2009-01-06 | 2013-03-13 | Skype | Speech coding |
| GB2466670B (en) | 2009-01-06 | 2012-11-14 | Skype | Speech encoding |
| GB2466673B (en) | 2009-01-06 | 2012-11-07 | Skype | Quantization |
| GB2466674B (en) | 2009-01-06 | 2013-11-13 | Skype | Speech coding |
| EP2211335A1 (en) * | 2009-01-21 | 2010-07-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus, method and computer program for obtaining a parameter describing a variation of a signal characteristic of a signal |
| KR101622950B1 (ko) * | 2009-01-28 | 2016-05-23 | 삼성전자주식회사 | 오디오 신호의 부호화 및 복호화 방법 및 그 장치 |
| CN102292769B (zh) * | 2009-02-13 | 2012-12-19 | 华为技术有限公司 | 一种立体声编码方法和装置 |
| US20100225473A1 (en) * | 2009-03-05 | 2010-09-09 | Searete Llc, A Limited Liability Corporation Of The State Of Delaware | Postural information system and method |
| WO2010134759A2 (ko) | 2009-05-19 | 2010-11-25 | 한국전자통신연구원 | Mdct-tcx 프레임과 celp 프레임 간 연동을 위한 윈도우 처리 장치 및 윈도우 처리 방법 |
| KR20110001130A (ko) * | 2009-06-29 | 2011-01-06 | 삼성전자주식회사 | 가중 선형 예측 변환을 이용한 오디오 신호 부호화 및 복호화 장치 및 그 방법 |
| US8452606B2 (en) | 2009-09-29 | 2013-05-28 | Skype | Speech encoding using multiple bit rates |
| CN102687199B (zh) * | 2010-01-08 | 2015-11-25 | 日本电信电话株式会社 | 编码方法、解码方法、编码装置、解码装置 |
| CA2792500C (en) * | 2010-03-10 | 2016-05-03 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Audio signal decoder, audio signal encoder, methods and computer program using a sampling rate dependent time-warp contour encoding |
| US9082416B2 (en) * | 2010-09-16 | 2015-07-14 | Qualcomm Incorporated | Estimating a pitch lag |
| BR112013005676B1 (pt) | 2010-09-16 | 2021-02-09 | Dolby International Ab | sistema e método para gerar um sinal de tempo alongado e/ou um sinal de frequência transposta a partir de um sinal de entrada e suporte de dados e meio de armazenamento legível por computador não transitório |
| CN102783034B (zh) * | 2011-02-01 | 2014-12-17 | 华为技术有限公司 | 用于提供信号处理系数的方法和设备 |
| ES2529025T3 (es) | 2011-02-14 | 2015-02-16 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Aparato y método para procesar una señal de audio decodificada en un dominio espectral |
| CA2827000C (en) | 2011-02-14 | 2016-04-05 | Jeremie Lecomte | Apparatus and method for error concealment in low-delay unified speech and audio coding (usac) |
| SG185519A1 (en) | 2011-02-14 | 2012-12-28 | Fraunhofer Ges Forschung | Information signal representation using lapped transform |
| TWI488177B (zh) | 2011-02-14 | 2015-06-11 | Fraunhofer Ges Forschung | 使用頻譜域雜訊整形之基於線性預測的編碼方案 |
| MX2013009304A (es) | 2011-02-14 | 2013-10-03 | Fraunhofer Ges Forschung | Aparato y metodo para codificar una porcion de una señal de audio utilizando deteccion de un transiente y resultado de calidad. |
| ES2639646T3 (es) | 2011-02-14 | 2017-10-27 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Codificación y decodificación de posiciones de impulso de pistas de una señal de audio |
| CA2827335C (en) * | 2011-02-14 | 2016-08-30 | Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. | Audio codec using noise synthesis during inactive phases |
| US9020818B2 (en) * | 2012-03-05 | 2015-04-28 | Malaspina Labs (Barbados) Inc. | Format based speech reconstruction from noisy signals |
| US9830920B2 (en) | 2012-08-19 | 2017-11-28 | The Regents Of The University Of California | Method and apparatus for polyphonic audio signal prediction in coding and networking systems |
| US9406307B2 (en) * | 2012-08-19 | 2016-08-02 | The Regents Of The University Of California | Method and apparatus for polyphonic audio signal prediction in coding and networking systems |
| US9208775B2 (en) | 2013-02-21 | 2015-12-08 | Qualcomm Incorporated | Systems and methods for determining pitch pulse period signal boundaries |
| KR101788484B1 (ko) | 2013-06-21 | 2017-10-19 | 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. | Ｔｃｘ ｌｔｐ를 이용하여 붕괴되거나 붕괴되지 않은 수신된 프레임들의 재구성을 갖는 오디오 디코딩 |
| WO2015108935A1 (en) | 2014-01-14 | 2015-07-23 | Interactive Intelligence Group, Inc. | System and method for synthesis of speech from provided text |
| FR3024581A1 (fr) * | 2014-07-29 | 2016-02-05 | Orange | Determination d'un budget de codage d'une trame de transition lpd/fd |
| KR102422794B1 (ko) * | 2015-09-04 | 2022-07-20 | 삼성전자주식회사 | 재생지연 조절 방법 및 장치와 시간축 변형방법 및 장치 |
| EP3306609A1 (en) * | 2016-10-04 | 2018-04-11 | Fraunhofer Gesellschaft zur Förderung der Angewand | Apparatus and method for determining a pitch information |
| US10957331B2 (en) | 2018-12-17 | 2021-03-23 | Microsoft Technology Licensing, Llc | Phase reconstruction in a speech decoder |
| US10847172B2 (en) * | 2018-12-17 | 2020-11-24 | Microsoft Technology Licensing, Llc | Phase quantization in a speech encoder |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| FR2258751B1 (ja) * | 1974-01-18 | 1978-12-08 | Thomson Csf | |
| CA2102080C (en) | 1992-12-14 | 1998-07-28 | Willem Bastiaan Kleijn | Time shifting for generalized analysis-by-synthesis coding |
| FR2729246A1 (fr) * | 1995-01-06 | 1996-07-12 | Matra Communication | Procede de codage de parole a analyse par synthese |
| US5704003A (en) * | 1995-09-19 | 1997-12-30 | Lucent Technologies Inc. | RCELP coder |
| US6330533B2 (en) * | 1998-08-24 | 2001-12-11 | Conexant Systems, Inc. | Speech encoder adaptively applying pitch preprocessing with warping of target signal |
| US7072832B1 (en) * | 1998-08-24 | 2006-07-04 | Mindspeed Technologies, Inc. | System for speech encoding having an adaptive encoding arrangement |
| US6449590B1 (en) * | 1998-08-24 | 2002-09-10 | Conexant Systems, Inc. | Speech encoder using warping in long term preprocessing |
| US6223151B1 (en) * | 1999-02-10 | 2001-04-24 | Telefon Aktie Bolaget Lm Ericsson | Method and apparatus for pre-processing speech signals prior to coding by transform-based speech coders |
-
2001
- 2001-12-14 CA CA002365203A patent/CA2365203A1/en not_active Abandoned
-
2002
- 2002-12-13 AT AT02784985T patent/ATE358870T1/de not_active IP Right Cessation
- 2002-12-13 DE DE60219351T patent/DE60219351T2/de not_active Expired - Lifetime
- 2002-12-13 MX MXPA04005764A patent/MXPA04005764A/es active IP Right Grant
- 2002-12-13 CN CN200910005427XA patent/CN101488345B/zh not_active Expired - Lifetime
- 2002-12-13 BR BR0214920-6A patent/BR0214920A/pt not_active IP Right Cessation
- 2002-12-13 WO PCT/CA2002/001948 patent/WO2003052744A2/en active IP Right Grant
- 2002-12-13 JP JP2003553555A patent/JP2005513539A/ja not_active Withdrawn
- 2002-12-13 CN CNA028276078A patent/CN1618093A/zh active Pending
- 2002-12-13 KR KR10-2004-7009260A patent/KR20040072658A/ko not_active Application Discontinuation
- 2002-12-13 NZ NZ533416A patent/NZ533416A/en unknown
- 2002-12-13 EP EP02784985A patent/EP1454315B1/en not_active Expired - Lifetime
- 2002-12-13 EP EP06125444A patent/EP1758101A1/en not_active Withdrawn
- 2002-12-13 ES ES02784985T patent/ES2283613T3/es not_active Expired - Lifetime
- 2002-12-13 AU AU2002350340A patent/AU2002350340B2/en not_active Ceased
- 2002-12-13 RU RU2004121463/09A patent/RU2302665C2/ru active
- 2002-12-13 US US10/498,254 patent/US7680651B2/en active Active
- 2002-12-16 MY MYPI20024699A patent/MY131886A/en unknown
-
2004
- 2004-06-10 ZA ZA200404625A patent/ZA200404625B/en unknown
- 2004-07-14 NO NO20042974A patent/NO20042974L/no not_active Application Discontinuation
-
2005
- 2005-03-02 HK HK05101816A patent/HK1069472A1/xx not_active IP Right Cessation
-
2008
- 2008-10-21 US US12/288,592 patent/US8121833B2/en not_active Expired - Lifetime
-
2010
- 2010-01-22 HK HK10100712.5A patent/HK1133730A1/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| JP2005513539A (ja) | 2005-05-12 |
| HK1133730A1 (en) | 2010-04-01 |
| RU2302665C2 (ru) | 2007-07-10 |
| EP1454315B1 (en) | 2007-04-04 |
| ES2283613T3 (es) | 2007-11-01 |
| CN101488345B (zh) | 2013-07-24 |
| CA2365203A1 (en) | 2003-06-14 |
| US20050071153A1 (en) | 2005-03-31 |
| DE60219351T2 (de) | 2007-08-02 |
| CN101488345A (zh) | 2009-07-22 |
| WO2003052744A3 (en) | 2004-02-05 |
| AU2002350340B2 (en) | 2008-07-24 |
| HK1069472A1 (en) | 2005-05-20 |
| EP1758101A1 (en) | 2007-02-28 |
| BR0214920A (pt) | 2004-12-21 |
| EP1454315A2 (en) | 2004-09-08 |
| NO20042974L (no) | 2004-09-14 |
| MY131886A (en) | 2007-09-28 |
| US7680651B2 (en) | 2010-03-16 |
| DE60219351D1 (de) | 2007-05-16 |
| CN1618093A (zh) | 2005-05-18 |
| RU2004121463A (ru) | 2006-01-10 |
| NZ533416A (en) | 2006-09-29 |
| MXPA04005764A (es) | 2005-06-08 |
| US8121833B2 (en) | 2012-02-21 |
| WO2003052744A2 (en) | 2003-06-26 |
| AU2002350340A1 (en) | 2003-06-30 |
| ATE358870T1 (de) | 2007-04-15 |
| KR20040072658A (ko) | 2004-08-18 |
| US20090063139A1 (en) | 2009-03-05 |
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