ATE520121T1 - Verbesserte celp kodierung oder dekodierung eines digitalen audiosignals - Google Patents

Verbesserte celp kodierung oder dekodierung eines digitalen audiosignals

Info

Publication number
ATE520121T1
ATE520121T1 AT07731605T AT07731605T ATE520121T1 AT E520121 T1 ATE520121 T1 AT E520121T1 AT 07731605 T AT07731605 T AT 07731605T AT 07731605 T AT07731605 T AT 07731605T AT E520121 T1 ATE520121 T1 AT E520121T1
Authority
AT
Austria
Prior art keywords
dictionaries
digital audio
decoding
audio signal
celp encoding
Prior art date
Application number
AT07731605T
Other languages
English (en)
Inventor
Dominique Massaloux
Romain Trilling
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 ATE520121T1 publication Critical patent/ATE520121T1/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
    • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • G10L19/10—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a multipulse excitation
    • 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
    • G10L19/12—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a code excitation, e.g. in code excited linear prediction [CELP] vocoders
    • 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
    • G10L2019/0001—Codebooks
    • G10L2019/0007—Codebook element generation

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)
AT07731605T 2006-02-22 2007-02-13 Verbesserte celp kodierung oder dekodierung eines digitalen audiosignals ATE520121T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0601563 2006-02-22
PCT/FR2007/050780 WO2007096550A2 (fr) 2006-02-22 2007-02-13 Codage/decodage perfectionnes d'un signal audionumerique, en technique celp

Publications (1)

Publication Number Publication Date
ATE520121T1 true ATE520121T1 (de) 2011-08-15

Family

ID=37308852

Family Applications (1)

Application Number Title Priority Date Filing Date
AT07731605T ATE520121T1 (de) 2006-02-22 2007-02-13 Verbesserte celp kodierung oder dekodierung eines digitalen audiosignals

Country Status (7)

Country Link
US (1) US8271274B2 (de)
EP (1) EP1994531B1 (de)
JP (1) JP5188990B2 (de)
KR (1) KR101370017B1 (de)
CN (1) CN101401153B (de)
AT (1) ATE520121T1 (de)
WO (1) WO2007096550A2 (de)

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US20100174539A1 (en) * 2009-01-06 2010-07-08 Qualcomm Incorporated Method and apparatus for vector quantization codebook search
GB2466671B (en) * 2009-01-06 2013-03-27 Skype Speech encoding
GB2466673B (en) * 2009-01-06 2012-11-07 Skype Quantization
GB2466670B (en) * 2009-01-06 2012-11-14 Skype Speech encoding
GB2466675B (en) 2009-01-06 2013-03-06 Skype Speech coding
GB2466674B (en) * 2009-01-06 2013-11-13 Skype Speech coding
GB2466669B (en) * 2009-01-06 2013-03-06 Skype Speech coding
GB2466672B (en) * 2009-01-06 2013-03-13 Skype Speech coding
US8452606B2 (en) * 2009-09-29 2013-05-28 Skype Speech encoding using multiple bit rates
US8849655B2 (en) * 2009-10-30 2014-09-30 Panasonic Intellectual Property Corporation Of America Encoder, decoder and methods thereof
ES2924180T3 (es) * 2009-12-14 2022-10-05 Fraunhofer Ges Forschung Dispositivo de cuantificación vectorial, dispositivo de codificación de habla, procedimiento de cuantificación vectorial y procedimiento de codificación de habla
US8924203B2 (en) * 2011-10-28 2014-12-30 Electronics And Telecommunications Research Institute Apparatus and method for coding signal in a communication system
BR112015007137B1 (pt) * 2012-10-05 2021-07-13 Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. Aparelho para codificar um sinal de fala que emprega acelp no domínio de autocorrelação
KR102459010B1 (ko) 2013-05-24 2022-10-27 돌비 인터네셔널 에이비 오디오 인코더 및 디코더
US9418671B2 (en) * 2013-08-15 2016-08-16 Huawei Technologies Co., Ltd. Adaptive high-pass post-filter
CN111370009B (zh) 2013-10-18 2023-12-22 弗朗霍夫应用科学研究促进协会 使用语音相关的频谱整形信息编码音频信号和解码音频信号的概念
CA2927722C (en) 2013-10-18 2018-08-07 Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. Concept for encoding an audio signal and decoding an audio signal using deterministic and noise like information
EP3483881B1 (de) * 2013-11-13 2024-10-02 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Codierer zur codierung eines audiosignals, audioübertragungssystem und verfahren zur bestimmung von korrekturwerten
EP2980794A1 (de) 2014-07-28 2016-02-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audiocodierer und -decodierer mit einem Frequenzdomänenprozessor und Zeitdomänenprozessor
EP2980795A1 (de) 2014-07-28 2016-02-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audiokodierung und -decodierung mit Nutzung eines Frequenzdomänenprozessors, eines Zeitdomänenprozessors und eines Kreuzprozessors zur Initialisierung des Zeitdomänenprozessors
US10847170B2 (en) 2015-06-18 2020-11-24 Qualcomm Incorporated Device and method for generating a high-band signal from non-linearly processed sub-ranges

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FI98104C (fi) * 1991-05-20 1997-04-10 Nokia Mobile Phones Ltd Menetelmä herätevektorin generoimiseksi ja digitaalinen puhekooderi
JPH10133697A (ja) * 1996-09-05 1998-05-22 Seiko Epson Corp 音声符号化方法およびその装置
JP3174756B2 (ja) * 1998-03-31 2001-06-11 松下電器産業株式会社 音源ベクトル生成装置及び音源ベクトル生成方法
JP3175667B2 (ja) * 1997-10-28 2001-06-11 松下電器産業株式会社 ベクトル量子化法
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Also Published As

Publication number Publication date
EP1994531B1 (de) 2011-08-10
KR101370017B1 (ko) 2014-03-05
WO2007096550A3 (fr) 2007-10-11
EP1994531A2 (de) 2008-11-26
KR20080110757A (ko) 2008-12-19
JP5188990B2 (ja) 2013-04-24
CN101401153A (zh) 2009-04-01
US20090222273A1 (en) 2009-09-03
CN101401153B (zh) 2011-11-16
US8271274B2 (en) 2012-09-18
JP2009527784A (ja) 2009-07-30
WO2007096550A2 (fr) 2007-08-30

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