DE602004007142D1 - Fehlerverschleierung in mehrkanaligen audiosystemen - Google Patents

Fehlerverschleierung in mehrkanaligen audiosystemen

Info

Publication number
DE602004007142D1
DE602004007142D1 DE602004007142T DE602004007142T DE602004007142D1 DE 602004007142 D1 DE602004007142 D1 DE 602004007142D1 DE 602004007142 T DE602004007142 T DE 602004007142T DE 602004007142 T DE602004007142 T DE 602004007142T DE 602004007142 D1 DE602004007142 D1 DE 602004007142D1
Authority
DE
Germany
Prior art keywords
model
parameters
frame
lost
frames
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
DE602004007142T
Other languages
English (en)
Other versions
DE602004007142T2 (de
Inventor
Stefan Bruhn
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 SE0303500A external-priority patent/SE0303500D0/xx
Application filed by Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Publication of DE602004007142D1 publication Critical patent/DE602004007142D1/de
Application granted granted Critical
Publication of DE602004007142T2 publication Critical patent/DE602004007142T2/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Stereophonic System (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Amplifiers (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
DE602004007142T 2003-12-19 2004-12-15 Fehlerverschleierung in mehrkanaligen audiosystemen Active DE602004007142T2 (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
SE0303500A SE0303500D0 (sv) 2003-12-19 2003-12-19 Frame loss concealment for multi-channel audio signal transmission
SE0303500 2003-12-19
SE0400416A SE527866C2 (sv) 2003-12-19 2004-02-20 Kanalsignalmaskering i multikanalsaudiosystem
SE0400416 2004-02-20
PCT/SE2004/001866 WO2005059898A1 (en) 2003-12-19 2004-12-15 Channel signal concealment in multi-channel audio systems

Publications (2)

Publication Number Publication Date
DE602004007142D1 true DE602004007142D1 (de) 2007-08-02
DE602004007142T2 DE602004007142T2 (de) 2008-02-14

Family

ID=31996353

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602004007142T Active DE602004007142T2 (de) 2003-12-19 2004-12-15 Fehlerverschleierung in mehrkanaligen audiosystemen

Country Status (8)

Country Link
EP (1) EP1649452B1 (de)
JP (1) JP4723490B2 (de)
AT (1) ATE365364T1 (de)
DE (1) DE602004007142T2 (de)
ES (1) ES2286714T3 (de)
PT (1) PT1649452E (de)
SE (1) SE527866C2 (de)
WO (1) WO2005059898A1 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4930320B2 (ja) * 2006-11-30 2012-05-16 ソニー株式会社 再生方法及び装置、プログラム並びに記録媒体
US8359196B2 (en) 2007-12-28 2013-01-22 Panasonic Corporation Stereo sound decoding apparatus, stereo sound encoding apparatus and lost-frame compensating method
US8644526B2 (en) 2008-06-27 2014-02-04 Panasonic Corporation Audio signal decoding device and balance adjustment method for audio signal decoding device
US8867752B2 (en) * 2008-07-30 2014-10-21 Orange Reconstruction of multi-channel audio data
WO2010082471A1 (ja) * 2009-01-13 2010-07-22 パナソニック株式会社 音響信号復号装置及びバランス調整方法
KR101073409B1 (ko) * 2009-03-05 2011-10-17 주식회사 코아로직 디코딩 장치 및 디코딩 방법
EP2434484A4 (de) * 2009-05-22 2016-12-14 Panasonic Ip Corp America Kodiervorrichtung, dekodiervorrichtung und verfahren dafür
US8660851B2 (en) 2009-05-26 2014-02-25 Panasonic Corporation Stereo signal decoding device and stereo signal decoding method
IN2014CN01270A (de) 2011-09-29 2015-06-19 Dolby Int Ab
EP2709101B1 (de) 2012-09-13 2015-03-18 Nxp B.V. System und Verfahren zur Verarbeitung von digitalem Audio

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3421962B2 (ja) * 1996-10-14 2003-06-30 日本電信電話株式会社 欠落音響信号合成処理方法
DE19721487A1 (de) * 1997-05-23 1998-11-26 Thomson Brandt Gmbh Verfahren und Vorrichtung zur Fehlerverschleierung bei Mehrkanaltonsignalen
JP3567750B2 (ja) * 1998-08-10 2004-09-22 株式会社日立製作所 圧縮音声再生方法及び圧縮音声再生装置
JP2001154699A (ja) * 1999-11-23 2001-06-08 Texas Instr Inc <Ti> フレーム消去の隠蔽及びその方法
JP2001296894A (ja) * 2000-04-12 2001-10-26 Matsushita Electric Ind Co Ltd 音声処理装置および音声処理方法
DE10034783A1 (de) * 2000-07-18 2002-02-07 Bosch Gmbh Robert Verfahren zur Fehlerverschleierung von Übertragungsfehlern in digitalen Audiodaten
JP4347698B2 (ja) * 2002-02-18 2009-10-21 アイピージー エレクトロニクス ５０３ リミテッド パラメトリックオーディオ符号化
AU2002309146A1 (en) * 2002-06-14 2003-12-31 Nokia Corporation Enhanced error concealment for spatial audio
US20040083110A1 (en) * 2002-10-23 2004-04-29 Nokia Corporation Packet loss recovery based on music signal classification and mixing

Also Published As

Publication number Publication date
JP2007529020A (ja) 2007-10-18
SE0400416D0 (sv) 2004-02-20
PT1649452E (pt) 2007-08-08
DE602004007142T2 (de) 2008-02-14
ATE365364T1 (de) 2007-07-15
WO2005059898A1 (en) 2005-06-30
ES2286714T3 (es) 2007-12-01
SE0400416L (sv) 2005-06-20
JP4723490B2 (ja) 2011-07-13
SE527866C2 (sv) 2006-06-27
EP1649452B1 (de) 2007-06-20
EP1649452A1 (de) 2006-04-26

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Legal Events

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8364 No opposition during term of opposition