HK1098569A1 - Improved frequency-domain error concealment - Google Patents

Improved frequency-domain error concealment

Info

Publication number
HK1098569A1
HK1098569A1 HK07105059.0A HK07105059A HK1098569A1 HK 1098569 A1 HK1098569 A1 HK 1098569A1 HK 07105059 A HK07105059 A HK 07105059A HK 1098569 A1 HK1098569 A1 HK 1098569A1
Authority
HK
Hong Kong
Prior art keywords
frame
frequency
coding
error concealment
coefficient
Prior art date
Application number
HK07105059.0A
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 HK1098569A1 publication Critical 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)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
HK07105059.0A 2003-12-19 2007-05-14 Improved frequency-domain error concealment HK1098569A1 (en)

Applications Claiming Priority (3)

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

Publications (1)

Publication Number Publication Date
HK1098569A1 true HK1098569A1 (en) 2007-07-20

Family

ID=31996351

Family Applications (1)

Application Number Title Priority Date Filing Date
HK07105059.0A HK1098569A1 (en) 2003-12-19 2007-05-14 Improved frequency-domain error concealment

Country Status (13)

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

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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
WO2007043642A1 (ja) * 2005-10-14 2007-04-19 Matsushita Electric Industrial Co., Ltd. スケーラブル符号化装置、スケーラブル復号装置、およびこれらの方法
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
EP2112653A4 (en) 2007-05-24 2013-09-11 Panasonic Corp AUDIO DEODICATION DEVICE, AUDIO CODING METHOD, PROGRAM AND INTEGRATED CIRCUIT
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
CA2871268C (en) * 2008-07-11 2015-11-03 Nikolaus Rettelbach Audio encoder, audio decoder, methods for encoding and decoding an audio signal, audio stream and 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
KR101551046B1 (ko) * 2011-02-14 2015-09-07 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 저-지연 통합 스피치 및 오디오 코딩에서 에러 은닉을 위한 장치 및 방법
CN107068156B (zh) * 2011-10-21 2021-03-30 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 (xx) 2014-05-15 2018-06-09
EP3427257B1 (en) * 2016-03-07 2021-05-05 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Error concealment unit, audio decoder, and related method and computer program fading out a concealed audio frame out according to different damping factors for different frequency bands
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
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

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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
ATE196960T1 (de) * 1997-04-23 2000-10-15 Fraunhofer Ges Forschung Verfahren zum verschleiern von fehlern in einem audiodatenstrom
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
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Also Published As

Publication number Publication date
EP1697927A1 (en) 2006-09-06
MXPA06006497A (es) 2006-08-23
WO2005059900A1 (en) 2005-06-30
RU2328775C2 (ru) 2008-07-10
BRPI0417523A8 (pt) 2018-04-03
EP1697927B1 (en) 2007-07-11
CA2544880C (en) 2014-01-28
RU2006126073A (ru) 2008-01-27
AU2004298709A1 (en) 2005-06-30
AU2004298709B2 (en) 2009-08-27
JP3999807B2 (ja) 2007-10-31
SE0400418D0 (sv) 2004-02-20
PL1697927T3 (pl) 2007-12-31
SE0400418L (sv) 2005-06-20
BRPI0417523B1 (pt) 2019-01-15
BRPI0417523A (pt) 2007-03-20
JP2007514977A (ja) 2007-06-07
CA2544880A1 (en) 2005-06-30
SE527669C2 (sv) 2006-05-09
DE602004007550T2 (de) 2008-03-13
ATE366979T1 (de) 2007-08-15
DE602004007550D1 (de) 2007-08-23

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Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20211212