DE602004027219D1 - Verfahren und Vorrichtung zur Rekonstruktion des Spektrums eines Audiosignals - Google Patents

Verfahren und Vorrichtung zur Rekonstruktion des Spektrums eines Audiosignals

Info

Publication number
DE602004027219D1
DE602004027219D1 DE602004027219T DE602004027219T DE602004027219D1 DE 602004027219 D1 DE602004027219 D1 DE 602004027219D1 DE 602004027219 T DE602004027219 T DE 602004027219T DE 602004027219 T DE602004027219 T DE 602004027219T DE 602004027219 D1 DE602004027219 D1 DE 602004027219D1
Authority
DE
Germany
Prior art keywords
audio signal
coded
spectrum
coding
spectral reconstruction
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
DE602004027219T
Other languages
English (en)
Inventor
Pierrick Philippe
Jean-Bernard Rault
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.)
Orange SA
Original Assignee
France Telecom SA
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 SA filed Critical France Telecom SA
Publication of DE602004027219D1 publication Critical patent/DE602004027219D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • G10L19/02—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
    • 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
    • G10L19/005—Correction of errors induced by the transmission channel, if related to the coding algorithm
    • 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
    • G10L19/0204—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 subband decomposition
    • G10L19/0208—Subband 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
    • 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
    • G10L19/18—Vocoders using multiple modes
    • G10L19/24—Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding

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)
  • Quality & Reliability (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Stereophonic System (AREA)
DE602004027219T 2003-03-04 2004-03-03 Verfahren und Vorrichtung zur Rekonstruktion des Spektrums eines Audiosignals Expired - Lifetime DE602004027219D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0302730A FR2852172A1 (fr) 2003-03-04 2003-03-04 Procede et dispositif de reconstruction spectrale d'un signal audio
PCT/FR2004/000488 WO2004081918A1 (fr) 2003-03-04 2004-03-03 Procede et dispositif de reconstruction spectrale d’un signal audio

Publications (1)

Publication Number Publication Date
DE602004027219D1 true DE602004027219D1 (de) 2010-07-01

Family

ID=32865273

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602004027219T Expired - Lifetime DE602004027219D1 (de) 2003-03-04 2004-03-03 Verfahren und Vorrichtung zur Rekonstruktion des Spektrums eines Audiosignals

Country Status (9)

Country Link
US (1) US7720676B2 (de)
EP (1) EP1599868B1 (de)
JP (1) JP4660470B2 (de)
KR (1) KR101091593B1 (de)
AT (1) ATE468584T1 (de)
DE (1) DE602004027219D1 (de)
ES (1) ES2345489T3 (de)
FR (1) FR2852172A1 (de)
WO (1) WO2004081918A1 (de)

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US8626503B2 (en) * 2005-07-14 2014-01-07 Erik Gosuinus Petrus Schuijers Audio encoding and decoding
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US8069035B2 (en) 2005-10-14 2011-11-29 Panasonic Corporation Scalable encoding apparatus, scalable decoding apparatus, and methods of them
US8370138B2 (en) 2006-03-17 2013-02-05 Panasonic Corporation Scalable encoding device and scalable encoding method including quality improvement of a decoded signal
US7461106B2 (en) 2006-09-12 2008-12-02 Motorola, Inc. Apparatus and method for low complexity combinatorial coding of signals
JP4918841B2 (ja) * 2006-10-23 2012-04-18 富士通株式会社 符号化システム
US8295507B2 (en) * 2006-11-09 2012-10-23 Sony Corporation Frequency band extending apparatus, frequency band extending method, player apparatus, playing method, program and recording medium
JPWO2008084688A1 (ja) * 2006-12-27 2010-04-30 パナソニック株式会社 符号化装置、復号装置及びこれらの方法
JP4708446B2 (ja) * 2007-03-02 2011-06-22 パナソニック株式会社 符号化装置、復号装置およびそれらの方法
GB0705328D0 (en) 2007-03-20 2007-04-25 Skype Ltd Method of transmitting data in a communication system
US9269372B2 (en) * 2007-08-27 2016-02-23 Telefonaktiebolaget L M Ericsson (Publ) Adaptive transition frequency between noise fill and bandwidth extension
ES2858423T3 (es) * 2007-08-27 2021-09-30 Ericsson Telefon Ab L M Método y dispositivo para el llenado de huecos espectrales
US8576096B2 (en) * 2007-10-11 2013-11-05 Motorola Mobility Llc Apparatus and method for low complexity combinatorial coding of signals
US20090234642A1 (en) * 2008-03-13 2009-09-17 Motorola, Inc. Method and Apparatus for Low Complexity Combinatorial Coding of Signals
FR2929466A1 (fr) * 2008-03-28 2009-10-02 France Telecom Dissimulation d'erreur de transmission dans un signal numerique dans une structure de decodage hierarchique
US8639519B2 (en) * 2008-04-09 2014-01-28 Motorola Mobility Llc Method and apparatus for selective signal coding based on core encoder performance
US8494864B2 (en) * 2008-06-24 2013-07-23 Telefonaktiebolaget L M Ericsson (Publ) Multi-mode scheme for improved coding of audio
US8428936B2 (en) * 2010-03-05 2013-04-23 Motorola Mobility Llc Decoder for audio signal including generic audio and speech frames
US8423355B2 (en) * 2010-03-05 2013-04-16 Motorola Mobility Llc Encoder for audio signal including generic audio and speech frames
CN102208188B (zh) 2011-07-13 2013-04-17 华为技术有限公司 音频信号编解码方法和设备
US9905236B2 (en) * 2012-03-23 2018-02-27 Dolby Laboratories Licensing Corporation Enabling sampling rate diversity in a voice communication system
EP2830064A1 (de) * 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zur Decodierung und Codierung eines Audiosignals unter Verwendung adaptiver Spektralabschnittsauswahl
US9524720B2 (en) * 2013-12-15 2016-12-20 Qualcomm Incorporated Systems and methods of blind bandwidth extension
EP3107096A1 (de) 2015-06-16 2016-12-21 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verkleinerte decodierung
AU2017219696B2 (en) * 2016-02-17 2018-11-08 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Post-processor, pre-processor, audio encoder, audio decoder and related methods for enhancing transient processing
BR112018067944B1 (pt) * 2016-03-07 2024-03-05 Fraunhofer - Gesellschaft Zur Förderung Der Angewandten Forschung E.V Unidade de ocultação de erro, método de ocultação de erro,decodificador de áudio, codificador de áudio, método para fornecer uma representação de áudio codificada e sistema

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KR100636145B1 (ko) * 2004-06-04 2006-10-18 삼성전자주식회사 확장된 고해상도 오디오 신호 부호화 및 복호화 장치
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Also Published As

Publication number Publication date
ES2345489T3 (es) 2010-09-24
JP2006520487A (ja) 2006-09-07
EP1599868B1 (de) 2010-05-19
US20060265087A1 (en) 2006-11-23
KR101091593B1 (ko) 2011-12-13
ATE468584T1 (de) 2010-06-15
FR2852172A1 (fr) 2004-09-10
WO2004081918A1 (fr) 2004-09-23
JP4660470B2 (ja) 2011-03-30
KR20060007371A (ko) 2006-01-24
US7720676B2 (en) 2010-05-18
EP1599868A1 (de) 2005-11-30

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