ATE437431T1 - Codec mit niedriger bitrate - Google Patents

Codec mit niedriger bitrate

Info

Publication number
ATE437431T1
ATE437431T1 AT02792126T AT02792126T ATE437431T1 AT E437431 T1 ATE437431 T1 AT E437431T1 AT 02792126 T AT02792126 T AT 02792126T AT 02792126 T AT02792126 T AT 02792126T AT E437431 T1 ATE437431 T1 AT E437431T1
Authority
AT
Austria
Prior art keywords
block
encoded
start state
predictive
signal
Prior art date
Application number
AT02792126T
Other languages
English (en)
Inventor
Soeren Andersen
Roar Hagen
Bastiaan Kleijn
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 ATE437431T1 publication Critical patent/ATE437431T1/de

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)
  • 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)
AT02792126T 2001-12-04 2002-12-03 Codec mit niedriger bitrate ATE437431T1 (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
ATE437431T1 true ATE437431T1 (de) 2009-08-15

Family

ID=20286184

Family Applications (1)

Application Number Title Priority Date Filing Date
AT02792126T ATE437431T1 (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
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
EP1846921B1 (de) 2005-01-31 2017-10-04 Skype Verfahren zur verkettung von datenrahmen in einem kommunikationssystem
TWI285568B (en) * 2005-02-02 2007-08-21 Dowa Mining Co Powder of silver particles and process
US7411528B2 (en) 2005-07-11 2008-08-12 Lg Electronics Co., Ltd. Apparatus and method of processing an audio signal
WO2007124485A2 (en) * 2006-04-21 2007-11-01 Dilithium Networks Pty Ltd. Method and apparatus for audio transcoding
US8306813B2 (en) * 2007-03-02 2012-11-06 Panasonic Corporation Encoding device and encoding method
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
KR20100134623A (ko) * 2008-03-04 2010-12-23 엘지전자 주식회사 오디오 신호 처리 방법 및 장치
NO2313887T3 (de) * 2008-07-10 2018-02-10
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
US20100324913A1 (en) * 2009-06-18 2010-12-23 Jacek Piotr Stachurski Method and System for Block Adaptive Fractional-Bit Per Sample Encoding
US8554746B2 (en) 2010-08-18 2013-10-08 Hewlett-Packard Development Company, L.P. Multiple-source data compression
KR102259112B1 (ko) 2012-11-15 2021-05-31 가부시키가이샤 엔.티.티.도코모 음성 부호화 장치, 음성 부호화 방법, 음성 부호화 프로그램, 음성 복호 장치, 음성 복호 방법 및 음성 복호 프로그램
US10523490B2 (en) * 2013-08-06 2019-12-31 Agilepq, Inc. Authentication of a subscribed code table user utilizing optimized code table signaling
US10056919B2 (en) 2014-07-02 2018-08-21 Agilepq, Inc. Data recovery utilizing optimized code table signaling
KR102477070B1 (ko) 2016-06-06 2022-12-12 아길렙큐 인코포레이티드 데이터 변환 시스템 및 방법
US9934785B1 (en) 2016-11-30 2018-04-03 Spotify Ab Identification of taste attributes from an audio signal

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* 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"
US7061936B2 (en) * 2000-03-03 2006-06-13 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
US8880414B2 (en) 2014-11-04
DE60233068D1 (de) 2009-09-03
CN1305024C (zh) 2007-03-14
SE0104059D0 (sv) 2001-12-04
EP1451811B1 (de) 2009-07-22
SE0104059L (sv) 2003-07-03
US7895046B2 (en) 2011-02-22
US20110142126A1 (en) 2011-06-16
CN1615509A (zh) 2005-05-11
US20060153286A1 (en) 2006-07-13
WO2003049081A1 (en) 2003-06-12
SE521600C2 (sv) 2003-11-18
EP1451811A1 (de) 2004-09-01
AU2002358365A1 (en) 2003-06-17

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