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 EP04820554A priority patent/EP1697927B1/en
Priority to JP2006545285A priority patent/JP3999807B2/ja
Priority to CN2004800381050A priority patent/CN1898722B/zh
Priority to DE602004007550T priority patent/DE602004007550T2/de
Priority to BRPI0417523A priority patent/BRPI0417523B1/pt
Priority to US11/011,780 priority patent/US7356748B2/en
Priority to MXPA06006497A priority patent/MXPA06006497A/es
Priority to PCT/SE2004/001868 priority patent/WO2005059900A1/en
Priority to CA2544880A priority patent/CA2544880C/en
Priority to RU2006126073/09A priority patent/RU2328775C2/ru
Priority to AU2004298709A priority patent/AU2004298709B2/en
Priority to PL04820554T priority patent/PL1697927T3/pl
Priority to AT04820554T priority patent/ATE366979T1/de
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)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (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
PL04820554T PL1697927T3 (pl) 2003-12-19 2004-12-15 Ulepszone maskowanie błędów dziedziny częstotliwości
AT04820554T ATE366979T1 (de) 2003-12-19 2004-12-15 Verbesserte frequenzbereichs-fehlerverbergung
MXPA06006497A MXPA06006497A (es) 2003-12-19 2004-12-15 Metodo para el ocultamiento de errores en el dominio de frecuencia, mejorado.
PCT/SE2004/001868 WO2005059900A1 (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
DE602004007550T DE602004007550T2 (de) 2003-12-19 2004-12-15 Verbesserte frequenzbereichs-fehlerverbergung
BRPI0417523A BRPI0417523B1 (pt) 2003-12-19 2004-12-15 método e arranjo de dissimulação de erro de domínio de freqüência, decodificador, e, receptor
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
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
CA2544880A CA2544880C (en) 2003-12-19 2004-12-15 Improved frequency-domain error concealment
RU2006126073/09A RU2328775C2 (ru) 2003-12-19 2004-12-15 Улучшенное маскирование ошибки в области частот
AU2004298709A AU2004298709B2 (en) 2003-12-19 2004-12-15 Improved frequency-domain error concealment
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
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 (sv) 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
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US8754831B2 (en) 2011-08-02 2014-06-17 Microsoft Corporation Changing between display device viewing modes
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Also Published As

Publication number Publication date
HK1098569A1 (en) 2007-07-20
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
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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