SE522261C2 - Kodning och avkodning av en digital signal - Google Patents

Kodning och avkodning av en digital signal

Info

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
Application number
SE0001728A
Other languages
English (en)
Swedish (sv)
Other versions
SE0001728L (sv
SE0001728D0 (sv
Inventor
Tina Abrahamsson
Soeren Vang Andersen
Roar Hagen
W Bastiaan Kleijn
Original Assignee
Global Ip Sound Ab
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 Global Ip Sound Ab filed Critical Global Ip Sound Ab
Priority to SE0001728A priority Critical patent/SE522261C2/sv
Publication of SE0001728D0 publication Critical patent/SE0001728D0/xx
Priority to DE60121592T priority patent/DE60121592T2/de
Priority to PCT/SE2001/001022 priority patent/WO2001086636A1/fr
Priority to AU2001256925A priority patent/AU2001256925A1/en
Priority to EP01930394A priority patent/EP1299879B1/fr
Priority to CNB018112749A priority patent/CN1201289C/zh
Priority to AT01930394T priority patent/ATE333696T1/de
Priority to US09/853,883 priority patent/US6970479B2/en
Publication of SE0001728L publication Critical patent/SE0001728L/xx
Publication of SE522261C2 publication Critical patent/SE522261C2/sv

Links

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)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Human Computer Interaction (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)
SE0001728A 2000-05-10 2000-05-10 Kodning och avkodning av en digital signal SE522261C2 (sv)

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
DE60121592T DE60121592T2 (de) 2000-05-10 2001-05-10 Kodierung und dekodierung eines digitalen signals
PCT/SE2001/001022 WO2001086636A1 (fr) 2000-05-10 2001-05-10 Codage et decodage d'un signal numerique
AU2001256925A AU2001256925A1 (en) 2000-05-10 2001-05-10 Encoding and decoding of a digital signal
EP01930394A EP1299879B1 (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
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)

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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
JP4027318B2 (ja) * 2001-11-27 2007-12-26 シーメンス アクチエンゲゼルシヤフト 少なくとも２つの加入者端末機器間において異なる符号化規則に従って形成された有効情報を交換する方法
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
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
US10554985B2 (en) 2003-07-18 2020-02-04 Microsoft Technology Licensing, Llc 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
US7411528B2 (en) * 2005-07-11 2008-08-12 Lg Electronics Co., Ltd. Apparatus and method of processing an 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
US8418032B2 (en) * 2007-12-10 2013-04-09 France Telecom Processing of bit errors in a digital audio bit frame
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
EP2610865B1 (fr) * 2010-08-23 2014-07-23 Panasonic Corporation Dispositif de traitement de signal audio et procédé de traitement de signal audio
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
CN117957781A (zh) * 2021-09-27 2024-04-30 高通股份有限公司 高效的分组丢失保护数据编码和/或解码
CN116193156A (zh) * 2022-12-30 2023-05-30 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)

* Cited by examiner, † Cited by third party
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
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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
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Also Published As

Publication number Publication date
CN1201289C (zh) 2005-05-11
ATE333696T1 (de) 2006-08-15
EP1299879B1 (fr) 2006-07-19
SE0001728L (sv) 2001-12-28
DE60121592D1 (de) 2006-08-31
US20020018490A1 (en) 2002-02-14
EP1299879A1 (fr) 2003-04-09
AU2001256925A1 (en) 2001-11-20
WO2001086636A1 (fr) 2001-11-15
CN1436347A (zh) 2003-08-13
DE60121592T2 (de) 2007-06-28
US6970479B2 (en) 2005-11-29
SE0001728D0 (sv) 2000-05-10

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