WO2006017178A3 - Digital audio signal compression method and apparatus - Google Patents
Digital audio signal compression method and apparatus Download PDFInfo
- Publication number
- WO2006017178A3 WO2006017178A3 PCT/US2005/024271 US2005024271W WO2006017178A3 WO 2006017178 A3 WO2006017178 A3 WO 2006017178A3 US 2005024271 W US2005024271 W US 2005024271W WO 2006017178 A3 WO2006017178 A3 WO 2006017178A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- audio signal
- digital audio
- compression method
- signal compression
- signal data
- Prior art date
Links
Classifications
-
- 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
- H04B1/662—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 time/frequency relationship, e.g. time compression or expansion
-
- 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
-
- 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
- G10L19/022—Blocking, i.e. grouping of samples in time; Choice of analysis windows; Overlap factoring
Abstract
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US58773104P | 2004-07-13 | 2004-07-13 | |
US60/587,731 | 2004-07-13 | ||
US10/988,807 US7742926B2 (en) | 2003-04-18 | 2004-11-15 | Digital audio signal compression method and apparatus |
US10/988,807 | 2004-11-15 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2006017178A2 WO2006017178A2 (en) | 2006-02-16 |
WO2006017178A3 true WO2006017178A3 (en) | 2007-04-26 |
Family
ID=35839751
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2005/024271 WO2006017178A2 (en) | 2004-07-13 | 2005-07-08 | Digital audio signal compression method and apparatus |
Country Status (2)
Country | Link |
---|---|
US (3) | US7742926B2 (en) |
WO (1) | WO2006017178A2 (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7742926B2 (en) | 2003-04-18 | 2010-06-22 | Realnetworks, Inc. | Digital audio signal compression method and apparatus |
US7392195B2 (en) * | 2004-03-25 | 2008-06-24 | Dts, Inc. | Lossless multi-channel audio codec |
US8050915B2 (en) * | 2005-07-11 | 2011-11-01 | Lg Electronics Inc. | Apparatus and method of encoding and decoding audio signals using hierarchical block switching and linear prediction coding |
CN101609678B (en) * | 2008-12-30 | 2011-07-27 | 华为技术有限公司 | Signal compression method and compression device thereof |
CN103458460B (en) | 2012-05-31 | 2017-04-12 | 国际商业机器公司 | Method and device for compressing and decompressing signal data |
KR102017807B1 (en) * | 2013-12-31 | 2019-09-03 | 에스케이하이닉스 주식회사 | Apparatus for processing data and method for processing data |
KR101736167B1 (en) * | 2014-02-12 | 2017-05-17 | 한국전자통신연구원 | Base station device and signal transmitting method thereof |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5677933A (en) * | 1993-12-06 | 1997-10-14 | Goldstar Co., Ltd. | Digital signal encoding/decoding apparatuses and related methods |
Family Cites Families (26)
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US3694813A (en) * | 1970-10-30 | 1972-09-26 | Ibm | Method of achieving data compaction utilizing variable-length dependent coding techniques |
JPS60116000A (en) * | 1983-11-28 | 1985-06-22 | ケイディディ株式会社 | Voice encoding system |
JPS63211987A (en) * | 1987-02-27 | 1988-09-05 | Sony Corp | Forecasting encoding device |
EP0422232B1 (en) * | 1989-04-25 | 1996-11-13 | Kabushiki Kaisha Toshiba | Voice encoder |
US5210820A (en) * | 1990-05-02 | 1993-05-11 | Broadcast Data Systems Limited Partnership | Signal recognition system and method |
US5561688A (en) | 1993-12-29 | 1996-10-01 | International Business Machines Corporation | Real-time digital audio compression/decompression system |
US5884269A (en) * | 1995-04-17 | 1999-03-16 | Merging Technologies | Lossless compression/decompression of digital audio data |
GB9509831D0 (en) * | 1995-05-15 | 1995-07-05 | Gerzon Michael A | Lossless coding method for waveform data |
US6014622A (en) * | 1996-09-26 | 2000-01-11 | Rockwell Semiconductor Systems, Inc. | Low bit rate speech coder using adaptive open-loop subframe pitch lag estimation and vector quantization |
WO1998020483A1 (en) * | 1996-11-07 | 1998-05-14 | Matsushita Electric Industrial Co., Ltd. | Sound source vector generator, voice encoder, and voice decoder |
ID21087A (en) * | 1996-11-11 | 1999-04-15 | Philips Electronics Nv | PLACEMENT-DEVELOPMENT OF DATA USING THE TOOLS TO PROVIDE RICE CODE |
KR100261254B1 (en) * | 1997-04-02 | 2000-07-01 | 윤종용 | Scalable audio data encoding/decoding method and apparatus |
DE19730130C2 (en) * | 1997-07-14 | 2002-02-28 | Fraunhofer Ges Forschung | Method for coding an audio signal |
US6028541A (en) * | 1998-03-12 | 2000-02-22 | Liquid Audio Inc. | Lossless data compression with low complexity |
US6118392A (en) * | 1998-03-12 | 2000-09-12 | Liquid Audio Inc. | Lossless data compression with low complexity |
US6463410B1 (en) * | 1998-10-13 | 2002-10-08 | Victor Company Of Japan, Ltd. | Audio signal processing apparatus |
DE60013303T2 (en) * | 1999-06-17 | 2005-09-22 | Amersham Biosciences Niagara Inc., St. Catharines | METHOD FOR REMOVING SYSTEMATIC ERRORS AND DEVIATIONS AND FOR ASSESSING INCORRECT ERRORS IN CHEMICAL AND BIOLOGICAL TEST PROCEDURES |
US6728669B1 (en) * | 2000-08-07 | 2004-04-27 | Lucent Technologies Inc. | Relative pulse position in celp vocoding |
US6675148B2 (en) * | 2001-01-05 | 2004-01-06 | Digital Voice Systems, Inc. | Lossless audio coder |
US7272657B2 (en) * | 2001-07-30 | 2007-09-18 | Digeo, Inc. | System and method for displaying video streams ranked by user-specified criteria |
US7068850B2 (en) * | 2001-06-29 | 2006-06-27 | Equator Technologies, Inc. | Decoding of predicted DC coefficient without division |
CN101448162B (en) * | 2001-12-17 | 2013-01-02 | 微软公司 | Method for processing video image |
KR100908114B1 (en) * | 2002-03-09 | 2009-07-16 | 삼성전자주식회사 | Scalable lossless audio encoding / decoding apparatus and method thereof |
US7424434B2 (en) * | 2002-09-04 | 2008-09-09 | Microsoft Corporation | Unified lossy and lossless audio compression |
US7742926B2 (en) | 2003-04-18 | 2010-06-22 | Realnetworks, Inc. | Digital audio signal compression method and apparatus |
US20040208169A1 (en) | 2003-04-18 | 2004-10-21 | Reznik Yuriy A. | Digital audio signal compression method and apparatus |
-
2004
- 2004-11-15 US US10/988,807 patent/US7742926B2/en not_active Expired - Fee Related
-
2005
- 2005-07-08 WO PCT/US2005/024271 patent/WO2006017178A2/en active Application Filing
-
2010
- 2010-05-24 US US12/786,358 patent/US8209189B2/en active Active
-
2012
- 2012-03-28 US US13/433,172 patent/US9065547B2/en not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5677933A (en) * | 1993-12-06 | 1997-10-14 | Goldstar Co., Ltd. | Digital signal encoding/decoding apparatuses and related methods |
US5909467A (en) * | 1993-12-06 | 1999-06-01 | Goldstar Co., Ltd. | Digital signal encoding/decoding apparatuses and related methods |
Also Published As
Publication number | Publication date |
---|---|
WO2006017178A2 (en) | 2006-02-16 |
US9065547B2 (en) | 2015-06-23 |
US8209189B2 (en) | 2012-06-26 |
US7742926B2 (en) | 2010-06-22 |
US20100235174A1 (en) | 2010-09-16 |
US20120185258A1 (en) | 2012-07-19 |
US20050063368A1 (en) | 2005-03-24 |
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