PL1697927T3 - Ulepszone maskowanie błędów dziedziny częstotliwości - Google Patents

Ulepszone maskowanie błędów dziedziny częstotliwości

Info

Publication number
PL1697927T3
PL1697927T3 PL04820554T PL04820554T PL1697927T3 PL 1697927 T3 PL1697927 T3 PL 1697927T3 PL 04820554 T PL04820554 T PL 04820554T PL 04820554 T PL04820554 T PL 04820554T PL 1697927 T3 PL1697927 T3 PL 1697927T3
Authority
PL
Poland
Prior art keywords
frame
frequency
coding
error concealment
coefficient
Prior art date
Application number
PL04820554T
Other languages
English (en)
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/xx
Application filed by Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Publication of PL1697927T3 publication Critical patent/PL1697927T3/pl

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)
  • Error Detection And Correction (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
PL04820554T 2003-12-19 2004-12-15 Ulepszone maskowanie błędów dziedziny częstotliwości PL1697927T3 (pl)

Applications Claiming Priority (4)

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
EP04820554A EP1697927B1 (en) 2003-12-19 2004-12-15 Improved frequency-domain error concealment
PCT/SE2004/001868 WO2005059900A1 (en) 2003-12-19 2004-12-15 Improved frequency-domain error concealment

Publications (1)

Publication Number Publication Date
PL1697927T3 true PL1697927T3 (pl) 2007-12-31

Family

ID=31996351

Family Applications (1)

Application Number Title Priority Date Filing Date
PL04820554T PL1697927T3 (pl) 2003-12-19 2004-12-15 Ulepszone maskowanie błędów dziedziny częstotliwości

Country Status (12)

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

Families Citing this family (19)

* Cited by examiner, † Cited by third party
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
CN101273403B (zh) * 2005-10-14 2012-01-18 松下电器产业株式会社 可扩展编码装置、可扩展解码装置以及其方法
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
JP5302190B2 (ja) * 2007-05-24 2013-10-02 パナソニック株式会社 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
EP2346029B1 (en) * 2008-07-11 2013-06-05 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoder, method for encoding an audio signal and corresponding computer program
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
WO2012110447A1 (en) * 2011-02-14 2012-08-23 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for error concealment in low-delay unified speech and audio coding (usac)
CN107103910B (zh) * 2011-10-21 2020-09-18 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 (pl) 2014-05-15 2018-06-09
CN109313905B (zh) 2016-03-07 2023-05-23 弗劳恩霍夫应用研究促进协会 隐藏音频帧丢失的错误隐藏单元、音频解码器及相关方法
CA3016837C (en) 2016-03-07 2021-09-28 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Hybrid concealment method: combination of frequency and time domain packet loss concealment in audio codecs
WO2017153300A1 (en) 2016-03-07 2017-09-14 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Error concealment unit, audio decoder, and related method and computer program using characteristics of a decoded representation of a properly decoded audio frame

Family Cites Families (14)

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SU1700753A1 (ru) * 1989-06-28 1991-12-23 Московский институт связи Устройство маскировани групп ошибок в цифровом сигнале звукового вещани
DE4111131C2 (de) * 1991-04-06 2001-08-23 Inst Rundfunktechnik Gmbh Verfahren zum Übertragen digitalisierter Tonsignale
SE501340C2 (sv) * 1993-06-11 1995-01-23 Ericsson Telefon Ab L M Döljande av transmissionsfel i en talavkodare
KR970011728B1 (ko) * 1994-12-21 1997-07-14 김광호 음향신호의 에러은닉방법 및 그 장치
JP2000508440A (ja) * 1997-04-23 2000-07-04 フラウンホーファー ゲゼルシャフト ツア フォルデルンク デア アンゲヴァンテン フォルシュンク エー ファウ オーディオデータストリームにおける誤りを修整する方法
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
BR0212000A (pt) * 2001-08-23 2004-09-28 Polycom Inc Sistema e método para ocultação de erro de vìdeo
WO2008105780A2 (en) 2006-05-24 2008-09-04 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
JP2007514977A (ja) 2007-06-07
BRPI0417523A8 (pt) 2018-04-03
BRPI0417523B1 (pt) 2019-01-15
AU2004298709B2 (en) 2009-08-27
SE0400418L (sv) 2005-06-20
EP1697927A1 (en) 2006-09-06
DE602004007550D1 (de) 2007-08-23
SE0400418D0 (sv) 2004-02-20
WO2005059900A1 (en) 2005-06-30
RU2006126073A (ru) 2008-01-27
BRPI0417523A (pt) 2007-03-20
RU2328775C2 (ru) 2008-07-10
CA2544880A1 (en) 2005-06-30
MXPA06006497A (es) 2006-08-23
DE602004007550T2 (de) 2008-03-13
JP3999807B2 (ja) 2007-10-31
SE527669C2 (sv) 2006-05-09
ATE366979T1 (de) 2007-08-15
CA2544880C (en) 2014-01-28
AU2004298709A1 (en) 2005-06-30
HK1098569A1 (en) 2007-07-20
EP1697927B1 (en) 2007-07-11

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