SE0400418L - Förbättrad felmaskering i frekvensdomänen - Google Patents

Förbättrad felmaskering i frekvensdomänen

Info

Publication number
SE0400418L
SE0400418L SE0400418A SE0400418A SE0400418L SE 0400418 L SE0400418 L SE 0400418L SE 0400418 A SE0400418 A SE 0400418A SE 0400418 A SE0400418 A SE 0400418A SE 0400418 L SE0400418 L SE 0400418L
Authority
SE
Sweden
Prior art keywords
frame
frequency
coding
coefficient
correlation
Prior art date
Application number
SE0400418A
Other languages
English (en)
Other versions
SE0400418D0 (sv
SE527669C2 (sv
Inventor
Anisse Taleb
Original Assignee
Ericsson Telefon Ab L M
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/sv
Application filed by Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Priority to SE0400418A priority Critical patent/SE527669C2/sv
Publication of SE0400418D0 publication Critical patent/SE0400418D0/sv
Priority to US11/011,780 priority patent/US7356748B2/en
Priority to EP04820554A priority patent/EP1697927B1/en
Priority to DE602004007550T priority patent/DE602004007550T2/de
Priority to JP2006545285A priority patent/JP3999807B2/ja
Priority to AU2004298709A priority patent/AU2004298709B2/en
Priority to CN2004800381050A priority patent/CN1898722B/zh
Priority to PL04820554T priority patent/PL1697927T3/pl
Priority to PCT/SE2004/001868 priority patent/WO2005059900A1/en
Priority to AT04820554T priority patent/ATE366979T1/de
Priority to CA2544880A priority patent/CA2544880C/en
Priority to MXPA06006497A priority patent/MXPA06006497A/es
Priority to BRPI0417523A priority patent/BRPI0417523B1/pt
Priority to RU2006126073/09A priority patent/RU2328775C2/ru
Publication of SE0400418L publication Critical patent/SE0400418L/sv
Publication of SE527669C2 publication Critical patent/SE527669C2/sv
Priority to HK07105059.0A priority patent/HK1098569A1/xx

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)
SE0400418A 2003-12-19 2004-02-20 Förbättrad felmaskering i frekvensdomänen SE527669C2 (sv)

Priority Applications (15)

Application Number Priority Date Filing Date Title
SE0400418A SE527669C2 (sv) 2003-12-19 2004-02-20 Förbättrad felmaskering i frekvensdomänen
BRPI0417523A BRPI0417523B1 (pt) 2003-12-19 2004-12-15 método e arranjo de dissimulação de erro de domínio de freqüência, decodificador, e, receptor
RU2006126073/09A RU2328775C2 (ru) 2003-12-19 2004-12-15 Улучшенное маскирование ошибки в области частот
PL04820554T PL1697927T3 (pl) 2003-12-19 2004-12-15 Ulepszone maskowanie błędów dziedziny częstotliwości
PCT/SE2004/001868 WO2005059900A1 (en) 2003-12-19 2004-12-15 Improved frequency-domain error concealment
DE602004007550T DE602004007550T2 (de) 2003-12-19 2004-12-15 Verbesserte frequenzbereichs-fehlerverbergung
JP2006545285A JP3999807B2 (ja) 2003-12-19 2004-12-15 改良された周波数領域におけるエラー隠蔽技術
AU2004298709A AU2004298709B2 (en) 2003-12-19 2004-12-15 Improved frequency-domain error concealment
CN2004800381050A CN1898722B (zh) 2003-12-19 2004-12-15 经改善的频域误码掩蔽
US11/011,780 US7356748B2 (en) 2003-12-19 2004-12-15 Partial spectral loss concealment in transform codecs
EP04820554A EP1697927B1 (en) 2003-12-19 2004-12-15 Improved frequency-domain error concealment
AT04820554T ATE366979T1 (de) 2003-12-19 2004-12-15 Verbesserte frequenzbereichs-fehlerverbergung
CA2544880A CA2544880C (en) 2003-12-19 2004-12-15 Improved frequency-domain error concealment
MXPA06006497A MXPA06006497A (es) 2003-12-19 2004-12-15 Metodo para el ocultamiento de errores en el dominio de frecuencia, mejorado.
HK07105059.0A HK1098569A1 (en) 2003-12-19 2007-05-14 Improved frequency-domain error concealment

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
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

Publications (3)

Publication Number Publication Date
SE0400418D0 SE0400418D0 (sv) 2004-02-20
SE0400418L true SE0400418L (sv) 2005-06-20
SE527669C2 SE527669C2 (sv) 2006-05-09

Family

ID=31996351

Family Applications (1)

Application Number Title Priority Date Filing Date
SE0400418A SE527669C2 (sv) 2003-12-19 2004-02-20 Förbättrad felmaskering i frekvensdomänen

Country Status (13)

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

Families Citing this family (19)

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Publication number Priority date Publication date Assignee Title
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 (en) * 2012-02-27 2013-08-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Phase coherence control for harmonic signals in perceptual audio codecs
NO2780522T3 (sv) 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 (en) 2012-09-06 2014-03-12 ESSILOR INTERNATIONAL (Compagnie Générale d'Optique) Method for adapting the optical function of an adaptive ophtalmic lenses system

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
DE602004007550D1 (de) 2007-08-23
SE0400418D0 (sv) 2004-02-20
EP1697927A1 (en) 2006-09-06
EP1697927B1 (en) 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
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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