DK0931386T3 - Fremgangsmåde til signalisering af en støjsubstitution ved kodning af et audiosignal - Google Patents

Fremgangsmåde til signalisering af en støjsubstitution ved kodning af et audiosignal

Info

Publication number
DK0931386T3
DK0931386T3 DK98916947T DK98916947T DK0931386T3 DK 0931386 T3 DK0931386 T3 DK 0931386T3 DK 98916947 T DK98916947 T DK 98916947T DK 98916947 T DK98916947 T DK 98916947T DK 0931386 T3 DK0931386 T3 DK 0931386T3
Authority
DK
Denmark
Prior art keywords
noisy
group
spectral values
coding
codebook
Prior art date
Application number
DK98916947T
Other languages
Danish (da)
English (en)
Inventor
Juergen Herre
Martin Dietz
Karlheinz Brandenburg
Heinz Gerhaeuser
Uwe Gbur
Andreas Ehret
Bodo Teichmann
Oliver Kunz
Original Assignee
Fraunhofer Ges Forschung
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=7835662&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DK0931386(T3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Fraunhofer Ges Forschung filed Critical Fraunhofer Ges Forschung
Application granted granted Critical
Publication of DK0931386T3 publication Critical patent/DK0931386T3/da

Links

Classifications

    • 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
    • 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
    • G10L19/02—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 using spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/028—Noise substitution, i.e. substituting non-tonal spectral components by noisy source
    • 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
    • H04B1/665—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 psychoacoustic properties of the ear, e.g. masking effect

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Human Computer Interaction (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Stereophonic System (AREA)
  • Noise Elimination (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
DK98916947T 1997-07-14 1998-03-13 Fremgangsmåde til signalisering af en støjsubstitution ved kodning af et audiosignal DK0931386T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19730129A DE19730129C2 (de) 1997-07-14 1997-07-14 Verfahren zum Signalisieren einer Rauschsubstitution beim Codieren eines Audiosignals
PCT/EP1998/001480 WO1999004505A1 (fr) 1997-07-14 1998-03-13 Procede de signalisation d'une substitution de bruit lors du codage d'un signal audio

Publications (1)

Publication Number Publication Date
DK0931386T3 true DK0931386T3 (da) 2000-11-20

Family

ID=7835662

Family Applications (1)

Application Number Title Priority Date Filing Date
DK98916947T DK0931386T3 (da) 1997-07-14 1998-03-13 Fremgangsmåde til signalisering af en støjsubstitution ved kodning af et audiosignal

Country Status (13)

Country Link
US (1) US6766293B1 (fr)
EP (1) EP0931386B1 (fr)
JP (2) JP3926399B2 (fr)
KR (1) KR100304055B1 (fr)
AT (1) ATE194440T1 (fr)
AU (1) AU716982B2 (fr)
CA (1) CA2284220C (fr)
DE (2) DE19730129C2 (fr)
DK (1) DK0931386T3 (fr)
ES (1) ES2150313T3 (fr)
GR (1) GR3033861T3 (fr)
PT (1) PT931386E (fr)
WO (1) WO1999004505A1 (fr)

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US7684981B2 (en) 2005-07-15 2010-03-23 Microsoft Corporation Prediction of spectral coefficients in waveform coding and decoding
US7539612B2 (en) 2005-07-15 2009-05-26 Microsoft Corporation Coding and decoding scale factor information
US7630882B2 (en) * 2005-07-15 2009-12-08 Microsoft Corporation Frequency segmentation to obtain bands for efficient coding of digital media
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US7562021B2 (en) * 2005-07-15 2009-07-14 Microsoft Corporation Modification of codewords in dictionary used for efficient coding of digital media spectral data
US8599925B2 (en) 2005-08-12 2013-12-03 Microsoft Corporation Efficient coding and decoding of transform blocks
US7933337B2 (en) 2005-08-12 2011-04-26 Microsoft Corporation Prediction of transform coefficients for image compression
US7565018B2 (en) 2005-08-12 2009-07-21 Microsoft Corporation Adaptive coding and decoding of wide-range coefficients
US7953604B2 (en) 2006-01-20 2011-05-31 Microsoft Corporation Shape and scale parameters for extended-band frequency coding
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US7831434B2 (en) 2006-01-20 2010-11-09 Microsoft Corporation Complex-transform channel coding with extended-band frequency coding
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US8184710B2 (en) 2007-02-21 2012-05-22 Microsoft Corporation Adaptive truncation of transform coefficient data in a transform-based digital media codec
US7761290B2 (en) 2007-06-15 2010-07-20 Microsoft Corporation Flexible frequency and time partitioning in perceptual transform coding of audio
US7774205B2 (en) 2007-06-15 2010-08-10 Microsoft Corporation Coding of sparse digital media spectral data
US8046214B2 (en) 2007-06-22 2011-10-25 Microsoft Corporation Low complexity decoder for complex transform coding of multi-channel sound
US7885819B2 (en) * 2007-06-29 2011-02-08 Microsoft Corporation Bitstream syntax for multi-process audio decoding
US8249883B2 (en) 2007-10-26 2012-08-21 Microsoft Corporation Channel extension coding for multi-channel source
JP5485909B2 (ja) * 2007-12-31 2014-05-07 エルジー エレクトロニクス インコーポレイティド オーディオ信号処理方法及び装置
US8179974B2 (en) 2008-05-02 2012-05-15 Microsoft Corporation Multi-level representation of reordered transform coefficients
KR101756834B1 (ko) * 2008-07-14 2017-07-12 삼성전자주식회사 오디오/스피치 신호의 부호화 및 복호화 방법 및 장치
US8406307B2 (en) 2008-08-22 2013-03-26 Microsoft Corporation Entropy coding/decoding of hierarchically organized data
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CN111125423A (zh) * 2019-11-29 2020-05-08 维沃移动通信有限公司 一种去噪方法及移动终端

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Also Published As

Publication number Publication date
KR100304055B1 (ko) 2001-11-03
AU7035298A (en) 1999-02-10
US6766293B1 (en) 2004-07-20
EP0931386A1 (fr) 1999-07-28
JP3926399B2 (ja) 2007-06-06
ES2150313T3 (es) 2000-11-16
CA2284220A1 (fr) 1999-01-28
JP2000515266A (ja) 2000-11-14
GR3033861T3 (en) 2000-10-31
ATE194440T1 (de) 2000-07-15
DE59800189D1 (de) 2000-08-10
DE19730129A1 (de) 1999-01-21
KR20000070280A (ko) 2000-11-25
WO1999004505A1 (fr) 1999-01-28
JP3878952B2 (ja) 2007-02-07
JP2005049889A (ja) 2005-02-24
EP0931386B1 (fr) 2000-07-05
DE19730129C2 (de) 2002-03-07
PT931386E (pt) 2000-10-31
AU716982B2 (en) 2000-03-16
CA2284220C (fr) 2002-09-24

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