ATE515019T1 - Verfahren und vorrichtung zur ausführung einer optimalizierten audiokodierung zwischen zwei langzeitvorhersagemodellen - Google Patents

Verfahren und vorrichtung zur ausführung einer optimalizierten audiokodierung zwischen zwei langzeitvorhersagemodellen

Info

Publication number
ATE515019T1
ATE515019T1 AT06709052T AT06709052T ATE515019T1 AT E515019 T1 ATE515019 T1 AT E515019T1 AT 06709052 T AT06709052 T AT 06709052T AT 06709052 T AT06709052 T AT 06709052T AT E515019 T1 ATE515019 T1 AT E515019T1
Authority
AT
Austria
Prior art keywords
ltp
long
term prediction
model
optimalized
Prior art date
Application number
AT06709052T
Other languages
English (en)
Inventor
Mohamed Ghenania
Claude Lamblin
Original Assignee
France Telecom
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 France Telecom filed Critical France Telecom
Application granted granted Critical
Publication of ATE515019T1 publication Critical patent/ATE515019T1/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
    • G10L19/16—Vocoder architecture
    • G10L19/173—Transcoding, i.e. converting between two coded representations avoiding cascaded coding-decoding
    • 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
    • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters

Landscapes

  • Engineering & Computer Science (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
AT06709052T 2005-01-11 2006-01-09 Verfahren und vorrichtung zur ausführung einer optimalizierten audiokodierung zwischen zwei langzeitvorhersagemodellen ATE515019T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0500272A FR2880724A1 (fr) 2005-01-11 2005-01-11 Procede et dispositif de codage optimise entre deux modeles de prediction a long terme
PCT/FR2006/000038 WO2006075078A1 (fr) 2005-01-11 2006-01-09 Procede et dispositif de codage optimise entre deux modeles de prediction a long terme

Publications (1)

Publication Number Publication Date
ATE515019T1 true ATE515019T1 (de) 2011-07-15

Family

ID=34954835

Family Applications (1)

Application Number Title Priority Date Filing Date
AT06709052T ATE515019T1 (de) 2005-01-11 2006-01-09 Verfahren und vorrichtung zur ausführung einer optimalizierten audiokodierung zwischen zwei langzeitvorhersagemodellen

Country Status (6)

Country Link
US (1) US8670982B2 (de)
EP (1) EP1836699B1 (de)
CN (1) CN101124625B (de)
AT (1) ATE515019T1 (de)
FR (1) FR2880724A1 (de)
WO (1) WO2006075078A1 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2839969B1 (fr) 2002-05-27 2005-04-01 Jean Couturier Liant hydraulique resultant du melange d'un liant sulfatique et d'un liant a caractere pouzzolanique
US7809719B2 (en) * 2007-02-08 2010-10-05 Microsoft Corporation Predicting textual candidates
US7912700B2 (en) * 2007-02-08 2011-03-22 Microsoft Corporation Context based word prediction
US8521520B2 (en) * 2010-02-03 2013-08-27 General Electric Company Handoffs between different voice encoder systems
CN103138874B (zh) * 2011-11-23 2016-07-06 中国移动通信集团公司 一种编解码动态协商方法及设备
US9830920B2 (en) 2012-08-19 2017-11-28 The Regents Of The University Of California Method and apparatus for polyphonic audio signal prediction in coding and networking systems
US9406307B2 (en) * 2012-08-19 2016-08-02 The Regents Of The University Of California Method and apparatus for polyphonic audio signal prediction in coding and networking systems

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6260009B1 (en) * 1999-02-12 2001-07-10 Qualcomm Incorporated CELP-based to CELP-based vocoder packet translation
US6687668B2 (en) * 1999-12-31 2004-02-03 C & S Technology Co., Ltd. Method for improvement of G.723.1 processing time and speech quality and for reduction of bit rate in CELP vocoder and CELP vococer using the same
JP2002202799A (ja) * 2000-10-30 2002-07-19 Fujitsu Ltd 音声符号変換装置
JP2002229599A (ja) * 2001-02-02 2002-08-16 Nec Corp 音声符号列の変換装置および変換方法
JP4231987B2 (ja) * 2001-06-15 2009-03-04 日本電気株式会社 音声符号化復号方式間の符号変換方法、その装置、そのプログラム及び記憶媒体
WO2003058407A2 (en) * 2002-01-08 2003-07-17 Dilithium Networks Pty Limited A transcoding scheme between celp-based speech codes
US6829579B2 (en) * 2002-01-08 2004-12-07 Dilithium Networks, Inc. Transcoding method and system between CELP-based speech codes
JP4263412B2 (ja) * 2002-01-29 2009-05-13 富士通株式会社 音声符号変換方法
CA2388439A1 (en) * 2002-05-31 2003-11-30 Voiceage Corporation A method and device for efficient frame erasure concealment in linear predictive based speech codecs
US20040057521A1 (en) * 2002-07-17 2004-03-25 Macchina Pty Ltd. Method and apparatus for transcoding between hybrid video CODEC bitstreams
US7519532B2 (en) * 2003-09-29 2009-04-14 Texas Instruments Incorporated Transcoding EVRC to G.729ab
FR2867648A1 (fr) * 2003-12-10 2005-09-16 France Telecom Transcodage entre indices de dictionnaires multi-impulsionnels utilises en codage en compression de signaux numeriques
US7792670B2 (en) * 2003-12-19 2010-09-07 Motorola, Inc. Method and apparatus for speech coding

Also Published As

Publication number Publication date
EP1836699B1 (de) 2011-06-29
US20080306732A1 (en) 2008-12-11
CN101124625A (zh) 2008-02-13
CN101124625B (zh) 2012-02-29
FR2880724A1 (fr) 2006-07-14
US8670982B2 (en) 2014-03-11
WO2006075078A1 (fr) 2006-07-20
EP1836699A1 (de) 2007-09-26

Similar Documents

Publication Publication Date Title
DE602004007786D1 (de) Verfahren und vorrichtung zur quantisierung des verstärkungsfaktors in einem breitbandsprachkodierer mit variabler bitrate
DE602006011591D1 (de) Adaptive restsignal-audiokodierung
CA2998689C (en) Encoder and method for encoding an audio signal with reduced background noise using linear predictive coding
WO2007098055A3 (en) Encoding and adaptive, scalable accessing of distributed models
WO2007028250A3 (en) Method and device for binaural signal enhancement
PH12012501116A1 (en) Speech encoding device, speech decoding device, speech encoding method, speech decoding method, speech encoding program, and speech decoding program
ATE456846T1 (de) Verfahren und vorrichtung zum codieren eines informationssignals unter verwedung einer tonhöhenverzögerungskontur-einstellung
IL186441A0 (en) Methods and apparatus for encoding and decoding an highband portion of a speech signal
CA2645911A1 (en) Method for encoding and decoding object-based audio signal and apparatus thereof
EP4583104A3 (de) Verfahren zur codierung eines signals
DE602007010721D1 (de) Vorrichtung und verfahren zur nachbearbeitung von spektralwerten sowie kodiergerät und dekodiergerät für audiosignale
ATE526797T1 (de) Verfahren, vorrichtung, kodierer, dekodierer und audiosystem
CA2730198A1 (en) Audio signal synthesizer and audio signal encoder
RU2016105702A (ru) Аудио кодер, аудио декодер, способы и компьютерная программа, использующие совместно кодированные разностные сигналы
CA2589623A1 (en) Temporal envelope shaping for spatial audio coding using frequency domain wiener filtering
IL177093A (en) Method for generating an output signal
WO2009096713A3 (ko) 적응적 ｌｐｃ 계수 보간을 이용한 오디오 신호의 부호화, 복호화 방법 및 장치
ATE524808T1 (de) Verfahren zur codierung eines quellenaudiosignals,entsprechende codierungseinrichtung, decodierungsverfahren und einrichtung, signal und computerprogrammprodukte
MY152167A (en) Encoding device and encoding method
WO2011002185A3 (ko) 가중 선형 예측 변환을 이용한 오디오 신호 부호화 및 복호화 장치 및 그 방법
UA110457C2 (ru) Спосіб виготовлення головок сиру
EP4274101A3 (de) Verfahren und vorrichtung zur arithmetischen codierung oder arithmetischen decodierung
EP2133872A4 (de) Codierungseinrichtung und codierungsverfahren
EP4258697A3 (de) Verfahren und vorrichtung zur codierung und decodierung eines stereosignals
EP4375994A3 (de) Mehrkanalsignalcodierungsverfahren, mehrkanalsignaldecodierungsverfahren, codierer und decodierer

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties