SE0104059L - Lågbittaktskodek - Google Patents

Lågbittaktskodek

Info

Publication number
SE0104059L
SE0104059L SE0104059A SE0104059A SE0104059L SE 0104059 L SE0104059 L SE 0104059L SE 0104059 A SE0104059 A SE 0104059A SE 0104059 A SE0104059 A SE 0104059A SE 0104059 L SE0104059 L SE 0104059L
Authority
SE
Sweden
Prior art keywords
block
encoded
start state
predictive
signal
Prior art date
Application number
SE0104059A
Other languages
English (en)
Other versions
SE0104059D0 (sv
SE521600C2 (sv
Inventor
Soeren V Andersen
Roar Hagen
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 SE0104059A priority Critical patent/SE521600C2/sv
Publication of SE0104059D0 publication Critical patent/SE0104059D0/sv
Priority to DE60233068T priority patent/DE60233068D1/de
Priority to AU2002358365A priority patent/AU2002358365A1/en
Priority to EP02792126A priority patent/EP1451811B1/en
Priority to PCT/SE2002/002226 priority patent/WO2003049081A1/en
Priority to AT02792126T priority patent/ATE437431T1/de
Priority to CNB028271866A priority patent/CN1305024C/zh
Priority to US10/497,530 priority patent/US7895046B2/en
Publication of SE0104059L publication Critical patent/SE0104059L/sv
Publication of SE521600C2 publication Critical patent/SE521600C2/sv
Priority to US13/030,929 priority patent/US8880414B2/en

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
    • G10L19/04—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 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
    • G10L19/0212—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 using orthogonal transformation

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Signal Processing (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Dc Digital Transmission (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
SE0104059A 2001-12-04 2001-12-04 Lågbittaktskodek SE521600C2 (sv)

Priority Applications (9)

Application Number Priority Date Filing Date Title
SE0104059A SE521600C2 (sv) 2001-12-04 2001-12-04 Lågbittaktskodek
US10/497,530 US7895046B2 (en) 2001-12-04 2002-12-03 Low bit rate codec
PCT/SE2002/002226 WO2003049081A1 (en) 2001-12-04 2002-12-03 Low bit rate codec
AU2002358365A AU2002358365A1 (en) 2001-12-04 2002-12-03 Low bit rate codec
EP02792126A EP1451811B1 (en) 2001-12-04 2002-12-03 Low bit rate codec
DE60233068T DE60233068D1 (de) 2001-12-04 2002-12-03 Codec mit niedriger bitrate
AT02792126T ATE437431T1 (de) 2001-12-04 2002-12-03 Codec mit niedriger bitrate
CNB028271866A CN1305024C (zh) 2001-12-04 2002-12-03 预测编码/解码设备及其方法
US13/030,929 US8880414B2 (en) 2001-12-04 2011-02-18 Low bit rate codec

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE0104059A SE521600C2 (sv) 2001-12-04 2001-12-04 Lågbittaktskodek

Publications (3)

Publication Number Publication Date
SE0104059D0 SE0104059D0 (sv) 2001-12-04
SE0104059L true SE0104059L (sv) 2003-07-03
SE521600C2 SE521600C2 (sv) 2003-11-18

Family

ID=20286184

Family Applications (1)

Application Number Title Priority Date Filing Date
SE0104059A SE521600C2 (sv) 2001-12-04 2001-12-04 Lågbittaktskodek

Country Status (8)

Country Link
US (2) US7895046B2 (sv)
EP (1) EP1451811B1 (sv)
CN (1) CN1305024C (sv)
AT (1) ATE437431T1 (sv)
AU (1) AU2002358365A1 (sv)
DE (1) DE60233068D1 (sv)
SE (1) SE521600C2 (sv)
WO (1) WO2003049081A1 (sv)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE521600C2 (sv) 2001-12-04 2003-11-18 Global Ip Sound Ab Lågbittaktskodek
US7379866B2 (en) * 2003-03-15 2008-05-27 Mindspeed Technologies, Inc. Simple noise suppression model
FR2861491B1 (fr) * 2003-10-24 2006-01-06 Thales Sa Procede de selection d'unites de synthese
US7602867B2 (en) 2004-08-17 2009-10-13 Broadcom Corporation System and method for linear distortion estimation by way of equalizer coefficients
JP2008529073A (ja) 2005-01-31 2008-07-31 ソノリト・アンパルトセルスカブ 重み付けされたオーバーラップ加算方法
TWI285568B (en) * 2005-02-02 2007-08-21 Dowa Mining Co Powder of silver particles and process
US8032368B2 (en) 2005-07-11 2011-10-04 Lg Electronics Inc. Apparatus and method of encoding and decoding audio signals using hierarchical block swithcing and linear prediction coding
WO2007124485A2 (en) * 2006-04-21 2007-11-01 Dilithium Networks Pty Ltd. Method and apparatus for audio transcoding
KR101414341B1 (ko) * 2007-03-02 2014-07-22 파나소닉 인텔렉츄얼 프로퍼티 코포레이션 오브 아메리카 부호화 장치 및 부호화 방법
US8280539B2 (en) * 2007-04-06 2012-10-02 The Echo Nest Corporation Method and apparatus for automatically segueing between audio tracks
WO2009090875A1 (ja) * 2008-01-16 2009-07-23 Panasonic Corporation ベクトル量子化装置、ベクトル逆量子化装置、およびこれらの方法
ES2464722T3 (es) * 2008-03-04 2014-06-03 Lg Electronics Inc. Método y aparato para procesar una señal de audio
CA2729751C (en) * 2008-07-10 2017-10-24 Voiceage Corporation Device and method for quantizing and inverse quantizing lpc filters in a super-frame
FR2938688A1 (fr) * 2008-11-18 2010-05-21 France Telecom Codage avec mise en forme du bruit dans un codeur hierarchique
CN101615394B (zh) * 2008-12-31 2011-02-16 华为技术有限公司 分配子帧的方法和装置
US8700410B2 (en) * 2009-06-18 2014-04-15 Texas Instruments Incorporated Method and system for lossless value-location encoding
US8554746B2 (en) 2010-08-18 2013-10-08 Hewlett-Packard Development Company, L.P. Multiple-source data compression
PL2922053T3 (pl) 2012-11-15 2019-11-29 Ntt Docomo Inc Urządzenie do kodowania audio, sposób kodowania audio, program do kodowania audio, urządzenie do dekodowania audio, sposób dekodowania audio, i program do dekodowania audio
US10523490B2 (en) * 2013-08-06 2019-12-31 Agilepq, Inc. Authentication of a subscribed code table user utilizing optimized code table signaling
EP3164942A1 (en) 2014-07-02 2017-05-10 Agilepq, Inc. Data recovery utilizing optimized code table signaling
EP3465974A1 (en) 2016-06-06 2019-04-10 Agilepq, Inc. Data conversion systems and methods
US9934785B1 (en) 2016-11-30 2018-04-03 Spotify Ab Identification of taste attributes from an audio signal

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE501981C2 (sv) * 1993-11-02 1995-07-03 Ericsson Telefon Ab L M Förfarande och anordning för diskriminering mellan stationära och icke stationära signaler
US5621852A (en) * 1993-12-14 1997-04-15 Interdigital Technology Corporation Efficient codebook structure for code excited linear prediction coding
US6101276A (en) * 1996-06-21 2000-08-08 Compaq Computer Corporation Method and apparatus for performing two pass quality video compression through pipelining and buffer management
FR2762464B1 (fr) * 1997-04-16 1999-06-25 France Telecom Procede et dispositif de codage d'un signal audiofrequence par analyse lpc "avant" et "arriere"
EP1146713B1 (en) * 2000-03-03 2005-04-27 NTT DoCoMo, Inc. Method and apparatus for packet transmission with header compression
SE522261C2 (sv) * 2000-05-10 2004-01-27 Global Ip Sound Ab Kodning och avkodning av en digital signal
JP2002101417A (ja) * 2000-09-22 2002-04-05 Oki Electric Ind Co Ltd 動画像符号化方法および装置
US7020284B2 (en) * 2000-10-06 2006-03-28 Patrick Oscar Boykin Perceptual encryption and decryption of movies
US7171355B1 (en) * 2000-10-25 2007-01-30 Broadcom Corporation Method and apparatus for one-stage and two-stage noise feedback coding of speech and audio signals
JP3957460B2 (ja) * 2001-01-15 2007-08-15 沖電気工業株式会社 伝送ヘッダ圧縮装置、動画像符号化装置及び動画像伝送システム
SE521600C2 (sv) 2001-12-04 2003-11-18 Global Ip Sound Ab Lågbittaktskodek

Also Published As

Publication number Publication date
WO2003049081A1 (en) 2003-06-12
SE0104059D0 (sv) 2001-12-04
US20110142126A1 (en) 2011-06-16
AU2002358365A1 (en) 2003-06-17
EP1451811A1 (en) 2004-09-01
US7895046B2 (en) 2011-02-22
CN1615509A (zh) 2005-05-11
SE521600C2 (sv) 2003-11-18
DE60233068D1 (de) 2009-09-03
EP1451811B1 (en) 2009-07-22
US8880414B2 (en) 2014-11-04
US20060153286A1 (en) 2006-07-13
ATE437431T1 (de) 2009-08-15
CN1305024C (zh) 2007-03-14

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