DE602004007550D1 - Verbesserte frequenzbereichs-fehlerverbergung - Google Patents

Verbesserte frequenzbereichs-fehlerverbergung

Info

Publication number
DE602004007550D1
DE602004007550D1 DE602004007550T DE602004007550T DE602004007550D1 DE 602004007550 D1 DE602004007550 D1 DE 602004007550D1 DE 602004007550 T DE602004007550 T DE 602004007550T DE 602004007550 T DE602004007550 T DE 602004007550T DE 602004007550 D1 DE602004007550 D1 DE 602004007550D1
Authority
DE
Germany
Prior art keywords
frame
frequency
coding
coefficient
correlation
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.)
Active
Application number
DE602004007550T
Other languages
English (en)
Other versions
DE602004007550T2 (de
Inventor
Anisse Taleb
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.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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
Priority claimed from SE0303498A external-priority patent/SE0303498D0/xx
Application filed by Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Publication of DE602004007550D1 publication Critical patent/DE602004007550D1/de
Application granted granted Critical
Publication of DE602004007550T2 publication Critical patent/DE602004007550T2/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • G10L19/005—Correction of errors induced by the transmission channel, if related to the coding algorithm
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/66—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission
    • H04B1/667—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission using a division in frequency subbands

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Computational Linguistics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Error Detection And Correction (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
DE602004007550T 2003-12-19 2004-12-15 Verbesserte frequenzbereichs-fehlerverbergung Active DE602004007550T2 (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
SE0303498 2003-12-19
SE0303498A SE0303498D0 (sv) 2003-12-19 2003-12-19 Spectral loss conccalment in transform codecs
SE0400418A SE527669C2 (sv) 2003-12-19 2004-02-20 Förbättrad felmaskering i frekvensdomänen
SE0400418 2004-02-20
PCT/SE2004/001868 WO2005059900A1 (en) 2003-12-19 2004-12-15 Improved frequency-domain error concealment

Publications (2)

Publication Number Publication Date
DE602004007550D1 true DE602004007550D1 (de) 2007-08-23
DE602004007550T2 DE602004007550T2 (de) 2008-03-13

Family

ID=31996351

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602004007550T Active DE602004007550T2 (de) 2003-12-19 2004-12-15 Verbesserte frequenzbereichs-fehlerverbergung

Country Status (13)

Country Link
EP (1) EP1697927B1 (de)
JP (1) JP3999807B2 (de)
AT (1) ATE366979T1 (de)
AU (1) AU2004298709B2 (de)
BR (1) BRPI0417523B1 (de)
CA (1) CA2544880C (de)
DE (1) DE602004007550T2 (de)
HK (1) HK1098569A1 (de)
MX (1) MXPA06006497A (de)
PL (1) PL1697927T3 (de)
RU (1) RU2328775C2 (de)
SE (1) SE527669C2 (de)
WO (1) WO2005059900A1 (de)

Families Citing this family (19)

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JP4539180B2 (ja) * 2004-06-07 2010-09-08 ソニー株式会社 音響復号装置及び音響復号方法
JP4536621B2 (ja) * 2005-08-10 2010-09-01 株式会社エヌ・ティ・ティ・ドコモ 復号装置、および復号方法
US8069035B2 (en) * 2005-10-14 2011-11-29 Panasonic Corporation Scalable encoding apparatus, scalable decoding apparatus, and methods of them
US8620644B2 (en) * 2005-10-26 2013-12-31 Qualcomm Incorporated Encoder-assisted frame loss concealment techniques for audio coding
US7533073B2 (en) 2005-12-05 2009-05-12 Raytheon Company Methods and apparatus for heuristic search to optimize metrics in generating a plan having a series of actions
WO2008146466A1 (ja) * 2007-05-24 2008-12-04 Panasonic Corporation オーディオ復号装置、オーディオ復号方法、プログラム及び集積回路
JP2009116245A (ja) * 2007-11-09 2009-05-28 Yamaha Corp 音声強調装置
CN101437009B (zh) * 2007-11-15 2011-02-02 华为技术有限公司 丢包隐藏的方法及其系统
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
PL2346030T3 (pl) * 2008-07-11 2015-03-31 Fraunhofer Ges Forschung Koder audio, sposób kodowania sygnału audio oraz program komputerowy
US9031834B2 (en) 2009-09-04 2015-05-12 Nuance Communications, Inc. Speech enhancement techniques on the power spectrum
JP5694745B2 (ja) * 2010-11-26 2015-04-01 株式会社Ｎｔｔドコモ 隠蔽信号生成装置、隠蔽信号生成方法および隠蔽信号生成プログラム
BR112013020324B8 (pt) * 2011-02-14 2022-02-08 Fraunhofer Ges Forschung Aparelho e método para supressão de erro em fala unificada de baixo atraso e codificação de áudio
CN104011793B (zh) * 2011-10-21 2016-11-23 三星电子株式会社 帧错误隐藏方法和设备以及音频解码方法和设备
EP2631906A1 (de) * 2012-02-27 2013-08-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Phasenkoherenzsteuerung für harmonische Signale in hörbaren Audio-Codecs
NO2780522T3 (de) 2014-05-15 2018-06-09
MX2018010756A (es) 2016-03-07 2019-01-14 Fraunhofer Ges Forschung Unidad de ocultamiento de error, decodificador de audio, y método relacionado y programa de computadora que usa características de una representación decodificada de una trama de audio decodificada apropiadamente.
ES2874629T3 (es) 2016-03-07 2021-11-05 Fraunhofer Ges Forschung Unidad de ocultación de error, decodificador de audio y método y programa informático relacionados que desvanecen una trama de audio ocultada según factores de amortiguamiento diferentes para bandas de frecuencia diferentes
KR102250472B1 (ko) 2016-03-07 2021-05-12 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 하이브리드 은닉 방법: 오디오 코덱들에서 주파수 및 시간 도메인 패킷 손실 은닉의 결합

Family Cites Families (11)

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Publication number Priority date Publication date Assignee Title
DE4111131C2 (de) * 1991-04-06 2001-08-23 Inst Rundfunktechnik Gmbh Verfahren zum Übertragen digitalisierter Tonsignale
KR970011728B1 (ko) * 1994-12-21 1997-07-14 김광호 음향신호의 에러은닉방법 및 그 장치
DK0978172T3 (da) * 1997-04-23 2000-11-20 Fraunhofer Ges Forschung Fremgangsmåde til sløring af fejl i en adiodatastrøm
US6597961B1 (en) * 1999-04-27 2003-07-22 Realnetworks, Inc. System and method for concealing errors in an audio transmission
DE19921122C1 (de) * 1999-05-07 2001-01-25 Fraunhofer Ges Forschung Verfahren und Vorrichtung zum Verschleiern eines Fehlers in einem codierten Audiosignal und Verfahren und Vorrichtung zum Decodieren eines codierten Audiosignals
US6517203B1 (en) 1999-07-02 2003-02-11 E-Vision, Llc System, apparatus, and method for correcting vision using electro-active spectacles
US7656509B2 (en) 2006-05-24 2010-02-02 Pixeloptics, Inc. Optical rangefinder for an electro-active lens
FR2974722B1 (fr) 2011-05-06 2014-10-10 Essilor Int Procede de determination de la distance de lecture
US8754831B2 (en) 2011-08-02 2014-06-17 Microsoft Corporation Changing between display device viewing modes
US8690321B2 (en) 2012-04-21 2014-04-08 Paul Lapstun Fixation-based control of electroactive spectacles
EP2706396A1 (de) 2012-09-06 2014-03-12 ESSILOR INTERNATIONAL (Compagnie Générale d'Optique) Verfahren zur Anpassung der optischen Funktion eines adaptiven ophthalmischen Linsensystems

Also Published As

Publication number Publication date
DE602004007550T2 (de) 2008-03-13
AU2004298709B2 (en) 2009-08-27
BRPI0417523B1 (pt) 2019-01-15
BRPI0417523A8 (pt) 2018-04-03
JP3999807B2 (ja) 2007-10-31
CA2544880A1 (en) 2005-06-30
SE0400418D0 (sv) 2004-02-20
EP1697927A1 (de) 2006-09-06
EP1697927B1 (de) 2007-07-11
BRPI0417523A (pt) 2007-03-20
JP2007514977A (ja) 2007-06-07
AU2004298709A1 (en) 2005-06-30
PL1697927T3 (pl) 2007-12-31
WO2005059900A1 (en) 2005-06-30
SE0400418L (sv) 2005-06-20
SE527669C2 (sv) 2006-05-09
CA2544880C (en) 2014-01-28
ATE366979T1 (de) 2007-08-15
HK1098569A1 (en) 2007-07-20
RU2328775C2 (ru) 2008-07-10
RU2006126073A (ru) 2008-01-27
MXPA06006497A (es) 2006-08-23

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