DE60233068D1 - Codec mit niedriger bitrate - Google Patents

Codec mit niedriger bitrate

Info

Publication number
DE60233068D1
DE60233068D1 DE60233068T DE60233068T DE60233068D1 DE 60233068 D1 DE60233068 D1 DE 60233068D1 DE 60233068 T DE60233068 T DE 60233068T DE 60233068 T DE60233068 T DE 60233068T DE 60233068 D1 DE60233068 D1 DE 60233068D1
Authority
DE
Germany
Prior art keywords
block
encoded
start state
predictive
signal
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
DE60233068T
Other languages
English (en)
Inventor
Soeren V Andersen
Roar Hagen
Bastiaan Kleijn
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Global IP Solutions GIPS AB
Global IP Solutions Inc
Original Assignee
Global IP Solutions GIPS AB
Global IP Solutions Inc
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 Solutions GIPS AB, Global IP Solutions Inc filed Critical Global IP Solutions GIPS AB
Application granted granted Critical
Publication of DE60233068D1 publication Critical patent/DE60233068D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • G10L19/0212—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)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Dc Digital Transmission (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
DE60233068T 2001-12-04 2002-12-03 Codec mit niedriger bitrate Expired - Lifetime DE60233068D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE0104059A SE521600C2 (sv) 2001-12-04 2001-12-04 Lågbittaktskodek
PCT/SE2002/002226 WO2003049081A1 (en) 2001-12-04 2002-12-03 Low bit rate codec

Publications (1)

Publication Number Publication Date
DE60233068D1 true DE60233068D1 (de) 2009-09-03

Family

ID=20286184

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60233068T Expired - Lifetime DE60233068D1 (de) 2001-12-04 2002-12-03 Codec mit niedriger bitrate

Country Status (8)

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

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
US7024358B2 (en) * 2003-03-15 2006-04-04 Mindspeed Technologies, Inc. Recovering an erased voice frame with time warping
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
WO2006079349A1 (en) * 2005-01-31 2006-08-03 Sonorit Aps Method for weighted overlap-add
TWI285568B (en) * 2005-02-02 2007-08-21 Dowa Mining Co Powder of silver particles and process
US8108219B2 (en) 2005-07-11 2012-01-31 Lg Electronics Inc. Apparatus and method of encoding and decoding audio signal
US7805292B2 (en) 2006-04-21 2010-09-28 Dilithium Holdings, Inc. 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
US20100274556A1 (en) * 2008-01-16 2010-10-28 Panasonic Corporation Vector quantizer, vector inverse quantizer, and methods therefor
JP5108960B2 (ja) * 2008-03-04 2012-12-26 エルジー エレクトロニクス インコーポレイティド オーディオ信号処理方法及び装置
EP2301021B1 (de) * 2008-07-10 2017-06-21 VoiceAge Corporation Vorrichtung und verfahren zur quantisierung von lpc-filtern in einem superrahmen
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
CA2886140C (en) 2012-11-15 2021-03-23 Ntt Docomo, Inc. Audio coding device, audio coding method, audio coding program, audio decoding device, audio decoding method, and audio decoding program
US10523490B2 (en) * 2013-08-06 2019-12-31 Agilepq, Inc. Authentication of a subscribed code table user utilizing optimized code table signaling
WO2016004185A1 (en) 2014-07-02 2016-01-07 OptCTS, Inc. Data recovery utilizing optimized code table signaling
CA3026281A1 (en) 2016-06-06 2017-12-14 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"
DE60110303T2 (de) * 2000-03-03 2006-03-09 Ntt Docomo, Inc. Verfahren und Vorrichtung zur Paketübertragung mit Paketenkopfkompression
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
EP1451811B1 (de) 2009-07-22
US7895046B2 (en) 2011-02-22
CN1615509A (zh) 2005-05-11
WO2003049081A1 (en) 2003-06-12
US8880414B2 (en) 2014-11-04
SE0104059D0 (sv) 2001-12-04
US20060153286A1 (en) 2006-07-13
ATE437431T1 (de) 2009-08-15
SE0104059L (sv) 2003-07-03
US20110142126A1 (en) 2011-06-16
AU2002358365A1 (en) 2003-06-17
EP1451811A1 (de) 2004-09-01
CN1305024C (zh) 2007-03-14
SE521600C2 (sv) 2003-11-18

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition