SE522261C2 - Kodning och avkodning av en digital signal - Google Patents
Kodning och avkodning av en digital signalInfo
- Publication number
- SE522261C2 SE522261C2 SE0001728A SE0001728A SE522261C2 SE 522261 C2 SE522261 C2 SE 522261C2 SE 0001728 A SE0001728 A SE 0001728A SE 0001728 A SE0001728 A SE 0001728A SE 522261 C2 SE522261 C2 SE 522261C2
- Authority
- SE
- Sweden
- Prior art keywords
- samples
- digital
- digital samples
- descriptions
- block
- Prior art date
Links
- 238000013139 quantization Methods 0.000 claims abstract description 73
- 238000000034 method Methods 0.000 claims abstract description 58
- 230000005236 sound signal Effects 0.000 claims description 39
- 230000005540 biological transmission Effects 0.000 claims description 30
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 3
- 230000001143 conditioned effect Effects 0.000 claims 3
- 239000000523 sample Substances 0.000 description 37
- 230000003111 delayed effect Effects 0.000 description 11
- 230000008901 benefit Effects 0.000 description 7
- 238000012546 transfer Methods 0.000 description 7
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 230000001934 delay Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 238000012163 sequencing technique Methods 0.000 description 2
- 238000013519 translation Methods 0.000 description 2
- 235000009300 Ehretia acuminata Nutrition 0.000 description 1
- 244000046038 Ehretia acuminata Species 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000001404 mediated effect Effects 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000003786 synthesis reaction 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
- G10L19/02—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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/10—Flow control; Congestion control
- H04L47/38—Flow control; Congestion control by adapting coding or compression rate
-
- 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
- G10L19/005—Correction of errors induced by the transmission channel, if related to the coding algorithm
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Computational Linguistics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE0001728A SE522261C2 (sv) | 2000-05-10 | 2000-05-10 | Kodning och avkodning av en digital signal |
EP01930394A EP1299879B1 (fr) | 2000-05-10 | 2001-05-10 | Codage et decodage d'un signal numerique |
PCT/SE2001/001022 WO2001086636A1 (fr) | 2000-05-10 | 2001-05-10 | Codage et decodage d'un signal numerique |
CNB018112749A CN1201289C (zh) | 2000-05-10 | 2001-05-10 | 数字信号的编码和解码方法 |
DE60121592T DE60121592T2 (de) | 2000-05-10 | 2001-05-10 | Kodierung und dekodierung eines digitalen signals |
AU2001256925A AU2001256925A1 (en) | 2000-05-10 | 2001-05-10 | Encoding and decoding of a digital signal |
AT01930394T ATE333696T1 (de) | 2000-05-10 | 2001-05-10 | Kodierung und dekodierung eines digitalen signals |
US09/853,883 US6970479B2 (en) | 2000-05-10 | 2001-05-10 | Encoding and decoding of a digital signal |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE0001728A SE522261C2 (sv) | 2000-05-10 | 2000-05-10 | Kodning och avkodning av en digital signal |
Publications (3)
Publication Number | Publication Date |
---|---|
SE0001728D0 SE0001728D0 (sv) | 2000-05-10 |
SE0001728L SE0001728L (sv) | 2001-12-28 |
SE522261C2 true SE522261C2 (sv) | 2004-01-27 |
Family
ID=20279622
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE0001728A SE522261C2 (sv) | 2000-05-10 | 2000-05-10 | Kodning och avkodning av en digital signal |
Country Status (8)
Country | Link |
---|---|
US (1) | US6970479B2 (fr) |
EP (1) | EP1299879B1 (fr) |
CN (1) | CN1201289C (fr) |
AT (1) | ATE333696T1 (fr) |
AU (1) | AU2001256925A1 (fr) |
DE (1) | DE60121592T2 (fr) |
SE (1) | SE522261C2 (fr) |
WO (1) | WO2001086636A1 (fr) |
Families Citing this family (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3415126B2 (ja) * | 2001-09-04 | 2003-06-09 | 三菱電機株式会社 | 可変長符号多重化装置、可変長符号分離装置、可変長符号多重化方法及び可変長符号分離方法 |
US6882685B2 (en) * | 2001-09-18 | 2005-04-19 | Microsoft Corporation | Block transform and quantization for image and video coding |
ATE392096T1 (de) * | 2001-11-27 | 2008-04-15 | Nokia Siemens Networks Gmbh | Verfahren zum austauschen von nach unterschiedlichen codierungsgesetzen erzeugten nutzinformationen zwischen wenigstens 2 teilnehmerendeinrichtungen |
SE521600C2 (sv) | 2001-12-04 | 2003-11-18 | Global Ip Sound Ab | Lågbittaktskodek |
US7408918B1 (en) * | 2002-10-07 | 2008-08-05 | Cisco Technology, Inc. | Methods and apparatus for lossless compression of delay sensitive signals |
US7313236B2 (en) * | 2003-04-09 | 2007-12-25 | International Business Machines Corporation | Methods and apparatus for secure and adaptive delivery of multimedia content |
US10554985B2 (en) | 2003-07-18 | 2020-02-04 | Microsoft Technology Licensing, Llc | DC coefficient signaling at small quantization step sizes |
TWI236819B (en) * | 2003-07-18 | 2005-07-21 | Hon Hai Prec Ind Co Ltd | A network telephony system and method |
US7738554B2 (en) | 2003-07-18 | 2010-06-15 | Microsoft Corporation | DC coefficient signaling at small quantization step sizes |
WO2005033198A1 (fr) * | 2003-10-07 | 2005-04-14 | Coloplast A/S | Composition utilisee en tant qu'adhesif et son utilisation |
US7830921B2 (en) * | 2005-07-11 | 2010-11-09 | Lg Electronics Inc. | Apparatus and method of encoding and decoding audio signal |
GB2436191B (en) * | 2006-03-14 | 2008-06-25 | Motorola Inc | Communication Unit, Intergrated Circuit And Method Therefor |
EP1855271A1 (fr) * | 2006-05-12 | 2007-11-14 | Deutsche Thomson-Brandt Gmbh | Procédé et appareil pour le recodage de signaux |
US8856371B2 (en) | 2006-08-07 | 2014-10-07 | Oovoo Llc | Video conferencing over IP networks |
US9635315B2 (en) | 2006-08-07 | 2017-04-25 | Oovoo Llc | Video conferencing over IP networks |
US8557393B2 (en) * | 2006-10-31 | 2013-10-15 | Exxonmobil Chemical Patents Inc. | Adhesive thermoplastic vulcanizates |
KR101299155B1 (ko) * | 2006-12-29 | 2013-08-22 | 삼성전자주식회사 | 오디오 부호화 및 복호화 장치와 그 방법 |
US8942289B2 (en) * | 2007-02-21 | 2015-01-27 | Microsoft Corporation | Computational complexity and precision control in transform-based digital media codec |
US7844539B2 (en) * | 2007-03-02 | 2010-11-30 | Chicago Board Options Exchange, Incorporated | Hybrid trading system for concurrently trading combined orders for financial instruments through both electronic and open-outcry trading mechanisms |
KR101563555B1 (ko) * | 2007-12-10 | 2015-10-27 | 오렌지 | 디지털 오디오 바이너리 프레임 내의 바이너리 에러들의 프로세싱 |
US8855211B2 (en) | 2008-01-22 | 2014-10-07 | At&T Intellectual Property I, Lp | Method and apparatus for managing video transport |
JP2011024066A (ja) * | 2009-07-17 | 2011-02-03 | Sony Corp | 画像処理装置および方法 |
JP5650227B2 (ja) * | 2010-08-23 | 2015-01-07 | パナソニック株式会社 | 音声信号処理装置及び音声信号処理方法 |
US8818797B2 (en) * | 2010-12-23 | 2014-08-26 | Microsoft Corporation | Dual-band speech encoding |
US9325639B2 (en) | 2013-12-17 | 2016-04-26 | At&T Intellectual Property I, L.P. | Hierarchical caching system for lossless network packet capture applications |
KR20240090148A (ko) * | 2021-09-27 | 2024-06-21 | 퀄컴 인코포레이티드 | 효율적 패킷 손실 보호 데이터 인코딩 및/또는 디코딩 |
CN116193156B (zh) * | 2022-12-30 | 2024-09-20 | 北京天兵科技有限公司 | 航天遥测码流地面传输分组压缩编码方法、装置和系统 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4726019A (en) * | 1986-02-28 | 1988-02-16 | American Telephone And Telegraph Company, At&T Bell Laboratories | Digital encoder and decoder synchronization in the presence of late arriving packets |
JP2783534B2 (ja) * | 1986-11-13 | 1998-08-06 | キヤノン株式会社 | 符号化装置 |
US6006174A (en) * | 1990-10-03 | 1999-12-21 | Interdigital Technology Coporation | Multiple impulse excitation speech encoder and decoder |
FR2700632B1 (fr) * | 1993-01-21 | 1995-03-24 | France Telecom | Système de codage-décodage prédictif d'un signal numérique de parole par transformée adaptative à codes imbriqués. |
KR950008637B1 (ko) * | 1993-04-08 | 1995-08-03 | 삼성전자주식회사 | 부밴드 코딩시스템의 신호처리장치 |
US5528625A (en) * | 1994-01-03 | 1996-06-18 | At&T Corp. | High speed quantization-level-sampling modem with equalization arrangement |
GB9509831D0 (en) * | 1995-05-15 | 1995-07-05 | Gerzon Michael A | Lossless coding method for waveform data |
JP2856185B2 (ja) * | 1997-01-21 | 1999-02-10 | 日本電気株式会社 | 音声符号化復号化システム |
GB2323754B (en) * | 1997-01-30 | 2002-03-20 | Peter Graham Craven | Lossless compression using iir prediction filters |
US6009387A (en) * | 1997-03-20 | 1999-12-28 | International Business Machines Corporation | System and method of compression/decompressing a speech signal by using split vector quantization and scalar quantization |
US6463410B1 (en) * | 1998-10-13 | 2002-10-08 | Victor Company Of Japan, Ltd. | Audio signal processing apparatus |
IL129752A (en) * | 1999-05-04 | 2003-01-12 | Eci Telecom Ltd | Telecommunication method and system for using same |
-
2000
- 2000-05-10 SE SE0001728A patent/SE522261C2/sv not_active IP Right Cessation
-
2001
- 2001-05-10 US US09/853,883 patent/US6970479B2/en not_active Expired - Lifetime
- 2001-05-10 DE DE60121592T patent/DE60121592T2/de not_active Expired - Lifetime
- 2001-05-10 WO PCT/SE2001/001022 patent/WO2001086636A1/fr active IP Right Grant
- 2001-05-10 CN CNB018112749A patent/CN1201289C/zh not_active Expired - Lifetime
- 2001-05-10 AT AT01930394T patent/ATE333696T1/de not_active IP Right Cessation
- 2001-05-10 EP EP01930394A patent/EP1299879B1/fr not_active Expired - Lifetime
- 2001-05-10 AU AU2001256925A patent/AU2001256925A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
ATE333696T1 (de) | 2006-08-15 |
SE0001728D0 (sv) | 2000-05-10 |
EP1299879B1 (fr) | 2006-07-19 |
WO2001086636A1 (fr) | 2001-11-15 |
CN1201289C (zh) | 2005-05-11 |
EP1299879A1 (fr) | 2003-04-09 |
US6970479B2 (en) | 2005-11-29 |
CN1436347A (zh) | 2003-08-13 |
US20020018490A1 (en) | 2002-02-14 |
DE60121592T2 (de) | 2007-06-28 |
DE60121592D1 (de) | 2006-08-31 |
SE0001728L (sv) | 2001-12-28 |
AU2001256925A1 (en) | 2001-11-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NUG | Patent has lapsed |