DK0954909T3 - Fremgangsmåde til kodning af et audiosignal - Google Patents

Fremgangsmåde til kodning af et audiosignal

Info

Publication number
DK0954909T3
DK0954909T3 DK98922620T DK98922620T DK0954909T3 DK 0954909 T3 DK0954909 T3 DK 0954909T3 DK 98922620 T DK98922620 T DK 98922620T DK 98922620 T DK98922620 T DK 98922620T DK 0954909 T3 DK0954909 T3 DK 0954909T3
Authority
DK
Denmark
Prior art keywords
noise
audio signal
spectral
residual values
values
Prior art date
Application number
DK98922620T
Other languages
English (en)
Inventor
Juergen Herre
Uwe Gbur
Martin Dietz
Bodo Teichmann
Karlheinz Brandenburg
Heinz Gerhaeuser
Andreas Ehret
Oliver Kunz
Karlheinz Dr Brandenburg
Heinz Dr Gerhaeuser
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=7835664&utm_source=***_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DK0954909(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 DK0954909T3 publication Critical patent/DK0954909T3/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
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Health & Medical Sciences (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Computational Linguistics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
DK98922620T 1997-07-14 1998-03-13 Fremgangsmåde til kodning af et audiosignal DK0954909T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19730130A DE19730130C2 (de) 1997-07-14 1997-07-14 Verfahren zum Codieren eines Audiosignals
PCT/EP1998/001481 WO1999004506A1 (de) 1997-07-14 1998-03-13 Verfahren zum codieren eines audiosignals

Publications (1)

Publication Number Publication Date
DK0954909T3 true DK0954909T3 (da) 2001-10-08

Family

ID=7835664

Family Applications (1)

Application Number Title Priority Date Filing Date
DK98922620T DK0954909T3 (da) 1997-07-14 1998-03-13 Fremgangsmåde til kodning af et audiosignal

Country Status (11)

Country Link
US (1) US6424939B1 (da)
EP (1) EP0954909B1 (da)
JP (1) JP3577324B2 (da)
KR (1) KR100346066B1 (da)
AT (1) ATE205030T1 (da)
AU (1) AU723582B2 (da)
CA (1) CA2286068C (da)
DE (2) DE19730130C2 (da)
DK (1) DK0954909T3 (da)
ES (1) ES2161052T3 (da)
WO (1) WO1999004506A1 (da)

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Also Published As

Publication number Publication date
DE19730130C2 (de) 2002-02-28
ES2161052T3 (es) 2001-11-16
KR100346066B1 (ko) 2002-07-24
AU723582B2 (en) 2000-08-31
JP3577324B2 (ja) 2004-10-13
EP0954909A1 (de) 1999-11-10
EP0954909B1 (de) 2001-08-29
US6424939B1 (en) 2002-07-23
CA2286068C (en) 2004-04-27
KR20000076297A (ko) 2000-12-26
CA2286068A1 (en) 1999-01-28
WO1999004506A1 (de) 1999-01-28
ATE205030T1 (de) 2001-09-15
JP2001500640A (ja) 2001-01-16
DE59801307D1 (de) 2001-10-04
AU7520798A (en) 1999-02-10
DE19730130A1 (de) 1999-01-21

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