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
SE0001728D0 (sv
SE0001728L (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 EP01930394A priority patent/EP1299879B1/fr
Priority to PCT/SE2001/001022 priority patent/WO2001086636A1/fr
Priority to CNB018112749A priority patent/CN1201289C/zh
Priority to DE60121592T priority patent/DE60121592T2/de
Priority to AU2001256925A priority patent/AU2001256925A1/en
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

    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/02Speech 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00Traffic control in data switching networks
    • H04L47/10Flow control; Congestion control
    • H04L47/38Flow control; Congestion control by adapting coding or compression rate
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/005Correction of errors induced by the transmission channel, if related to the coding algorithm
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/04Speech 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)
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
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)

* Cited by examiner, † Cited by third party
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)

* 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
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

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

Similar Documents

Publication Publication Date Title
SE522261C2 (sv) Kodning och avkodning av en digital signal
EP1290835B1 (fr) Transmission sur des reseaux a commutation par paquets
KR100919868B1 (ko) 패킷 손실 보상
Jayant et al. Effects of packet losses in waveform coded speech and improvements due to an odd-even sample-interpolation procedure
JPH04127747A (ja) 可変レート符号化方式
US20080117906A1 (en) Payload header compression in an rtp session
US9245529B2 (en) Adaptive encoding of a digital signal with one or more missing values
US7079498B2 (en) Method, apparatus, and system for reducing memory requirements for echo cancellers
Valin et al. RFC 6716: Definition of the Opus audio codec
JP2002221994A (ja) 音声信号の符号列のパケット組立方法、装置及びパケット分解方法、装置並びにこれらの方法を実行するプログラム、プログラムを記録する記録媒体
US20010012993A1 (en) Coding method facilitating the reproduction as sound of digitized speech signals transmitted to a user terminal during a telephone call set up by transmitting packets, and equipment implementing the method
JPS60245316A (ja) 同期式近即時符号化装置
US20040100955A1 (en) Vocoder and communication method using the same
US5799272A (en) Switched multiple sequence excitation model for low bit rate speech compression
KR100739509B1 (ko) 다중 채널 구조 무선 통신 시스템에서 헤더 정보 송수신장치 및 방법
JP3942523B2 (ja) ディジタル信号符号化方法、復号化方法、符号器、復号器及びこれらのプログラム
KR20050024651A (ko) 패킷 망에서의 프레임 손실 은닉 방법 및 장치
US5956320A (en) Cell assembling/disassembling system for asynchronous transfer mode network
US7190693B2 (en) Method, system and apparatuses for transferring audio and/or video signals between synchronous and asynchronous network and for minimizing delay time in such networks
JPH0525207B2 (fr)
JPH05119800A (ja) デジタル音声データの高能率圧縮方法
Terriberry Network Working Group JM. Valin Internet-Draft Mozilla Corporation Intended status: Standards Track K. Vos Expires: May 3, 2012 Skype Technologies SA
JP2000315098A (ja) 音声データ処理装置
JPH0250654A (ja) 音声パケット化装置
JPH02220523A (ja) 音声パケット伝送方式

Legal Events

Date Code Title Description
NUG Patent has lapsed