WO2003077425A1 - Procedes de codage et de decodage signaux numeriques, dispositifs de codage et de decodage, programme de codage et de decodage de signaux numeriques - Google Patents
Procedes de codage et de decodage signaux numeriques, dispositifs de codage et de decodage, programme de codage et de decodage de signaux numeriques Download PDFInfo
- Publication number
- WO2003077425A1 WO2003077425A1 PCT/JP2003/002809 JP0302809W WO03077425A1 WO 2003077425 A1 WO2003077425 A1 WO 2003077425A1 JP 0302809 W JP0302809 W JP 0302809W WO 03077425 A1 WO03077425 A1 WO 03077425A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- decoding
- digital signal
- signal
- program
- encoding
- Prior art date
Links
- 238000005070 sampling Methods 0.000 abstract 4
- 230000008707 rearrangement Effects 0.000 abstract 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
- G10L19/0017—Lossless audio signal coding; Perfect reconstruction of coded audio signal by transmission of coding error
-
- 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
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)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP03708527.1A EP1484841B1 (en) | 2002-03-08 | 2003-03-10 | DIGITAL SIGNAL ENCODING METHOD, DECODING METHOD, ENCODING DEVICE, DECODING DEVICE and DIGITAL SIGNAL DECODING PROGRAM |
CN038055503A CN1639984B (zh) | 2002-03-08 | 2003-03-10 | 数字信号编码方法、解码方法、编码设备、解码设备 |
US10/505,485 US7599835B2 (en) | 2002-03-08 | 2003-03-10 | Digital signal encoding method, decoding method, encoding device, decoding device, digital signal encoding program, and decoding program |
AU2003213439A AU2003213439A1 (en) | 2002-03-08 | 2003-03-10 | Digital signal encoding method, decoding method, encoding device, decoding device, digital signal encoding program, and decoding program |
US12/502,797 US8311815B2 (en) | 2002-03-08 | 2009-07-14 | Method, apparatus, and program for encoding digital signal, and method, apparatus, and program for decoding digital signal |
Applications Claiming Priority (12)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002063449 | 2002-03-08 | ||
JP2002063598 | 2002-03-08 | ||
JP2002-63598 | 2002-03-08 | ||
JP2002-63449 | 2002-03-08 | ||
JP2002-288677 | 2002-10-01 | ||
JP2002288677 | 2002-10-01 | ||
JP2002304646 | 2002-10-18 | ||
JP2002-304646 | 2002-10-18 | ||
JP2002-346789 | 2002-11-29 | ||
JP2002346789 | 2002-11-29 | ||
JP2003-25272 | 2003-01-31 | ||
JP2003025272 | 2003-01-31 |
Related Child Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10505485 A-371-Of-International | 2003-03-10 | ||
US12/502,797 Division US8311815B2 (en) | 2002-03-08 | 2009-07-14 | Method, apparatus, and program for encoding digital signal, and method, apparatus, and program for decoding digital signal |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2003077425A1 true WO2003077425A1 (fr) | 2003-09-18 |
Family
ID=27808926
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2003/002809 WO2003077425A1 (fr) | 2002-03-08 | 2003-03-10 | Procedes de codage et de decodage signaux numeriques, dispositifs de codage et de decodage, programme de codage et de decodage de signaux numeriques |
Country Status (5)
Country | Link |
---|---|
US (2) | US7599835B2 (ja) |
EP (1) | EP1484841B1 (ja) |
CN (1) | CN1639984B (ja) |
AU (1) | AU2003213439A1 (ja) |
WO (1) | WO2003077425A1 (ja) |
Cited By (6)
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WO2004098066A1 (ja) * | 2003-04-28 | 2004-11-11 | Nippon Telegraph And Telephone Corporation | 浮動小数点形式ディジタル信号可逆符号化方法、及び復号化方法と、その各装置、その各プログラム |
WO2004114527A1 (ja) * | 2003-06-20 | 2004-12-29 | Nippon Telegraph And Telephone Corporation | 浮動小数点形式ディジタル信号可逆符号化方法、及び復号化方法と、その各装置、その各プログラム |
WO2005025072A1 (ja) * | 2003-09-02 | 2005-03-17 | Nippon Telegraph And Telephone Corporation | 浮動小数点信号可逆符号化方法、復号化方法、及びそれらの装置、プログラム及びその記録媒体 |
EP1699043A1 (en) * | 2004-01-08 | 2006-09-06 | Matsushita Electric Industrial Co., Ltd. | Signal decoding apparatus and signal decoding method |
EP2270775A2 (en) * | 2004-03-25 | 2011-01-05 | DTS, Inc. | Lossless multi-channel audio codec |
JP2019070866A (ja) * | 2012-11-15 | 2019-05-09 | 株式会社Nttドコモ | 音声符号化装置および音声符号化方法 |
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JP4761506B2 (ja) * | 2005-03-01 | 2011-08-31 | 国立大学法人北陸先端科学技術大学院大学 | 音声処理方法と装置及びプログラム並びに音声システム |
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- 2003-03-10 US US10/505,485 patent/US7599835B2/en active Active
- 2003-03-10 EP EP03708527.1A patent/EP1484841B1/en not_active Expired - Lifetime
- 2003-03-10 AU AU2003213439A patent/AU2003213439A1/en not_active Abandoned
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- 2009-07-14 US US12/502,797 patent/US8311815B2/en not_active Expired - Lifetime
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Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2004098066A1 (ja) * | 2003-04-28 | 2004-11-11 | Nippon Telegraph And Telephone Corporation | 浮動小数点形式ディジタル信号可逆符号化方法、及び復号化方法と、その各装置、その各プログラム |
US7126501B2 (en) | 2003-04-28 | 2006-10-24 | Nippon Telegraph And Telephone Corporation | Floating point type digital signal reversible encoding method, decoding method, devices for them, and programs for them |
WO2004114527A1 (ja) * | 2003-06-20 | 2004-12-29 | Nippon Telegraph And Telephone Corporation | 浮動小数点形式ディジタル信号可逆符号化方法、及び復号化方法と、その各装置、その各プログラム |
US7230551B2 (en) | 2003-06-20 | 2007-06-12 | Nippon Telegraph And Telephone Corporation | Floating-point type digital signal reversible encoding method, decoding method, apparatuses therefor, and programs therefor |
US7317407B2 (en) | 2003-09-02 | 2008-01-08 | Nippon Telegraph And Telephone Corporation | Floating point signal reversible encoding method, decoding method, device thereof, program, and recording medium thereof |
WO2005025072A1 (ja) * | 2003-09-02 | 2005-03-17 | Nippon Telegraph And Telephone Corporation | 浮動小数点信号可逆符号化方法、復号化方法、及びそれらの装置、プログラム及びその記録媒体 |
US7209056B2 (en) | 2003-09-02 | 2007-04-24 | Nippon Telegraph And Telephone Corporation | Floating point signal reversible encoding method, decoding method, device thereof, program, and recording medium thereof |
EP1699043A1 (en) * | 2004-01-08 | 2006-09-06 | Matsushita Electric Industrial Co., Ltd. | Signal decoding apparatus and signal decoding method |
EP1699043A4 (en) * | 2004-01-08 | 2008-04-16 | Matsushita Electric Ind Co Ltd | METHOD AND DEVICE FOR DECODING SIGNALS |
US7411522B2 (en) | 2004-01-08 | 2008-08-12 | Matsushita Electric Industrial Co., Ltd. | Signal decoding apparatus and signal decoding method |
US7636055B2 (en) | 2004-01-08 | 2009-12-22 | Panasonic Corporation | Signal decoding apparatus and signal decoding method |
EP2270775A2 (en) * | 2004-03-25 | 2011-01-05 | DTS, Inc. | Lossless multi-channel audio codec |
EP2270775A3 (en) * | 2004-03-25 | 2011-10-19 | DTS, Inc. | Lossless multi-channel audio codec |
JP2019070866A (ja) * | 2012-11-15 | 2019-05-09 | 株式会社Nttドコモ | 音声符号化装置および音声符号化方法 |
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EP1484841A1 (en) | 2004-12-08 |
US8311815B2 (en) | 2012-11-13 |
EP1484841A4 (en) | 2010-11-17 |
CN1639984A (zh) | 2005-07-13 |
US20050091051A1 (en) | 2005-04-28 |
EP1484841B1 (en) | 2018-12-26 |
US20090279598A1 (en) | 2009-11-12 |
US7599835B2 (en) | 2009-10-06 |
AU2003213439A1 (en) | 2003-09-22 |
CN1639984B (zh) | 2011-05-11 |
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