PL1810281T3 - Kodowanie i dekodowanie sygnałów audio z wykorzystaniem banków filtrów o wartościach zespolonych - Google Patents

Kodowanie i dekodowanie sygnałów audio z wykorzystaniem banków filtrów o wartościach zespolonych

Info

Publication number
PL1810281T3
PL1810281T3 PL05797747T PL05797747T PL1810281T3 PL 1810281 T3 PL1810281 T3 PL 1810281T3 PL 05797747 T PL05797747 T PL 05797747T PL 05797747 T PL05797747 T PL 05797747T PL 1810281 T3 PL1810281 T3 PL 1810281T3
Authority
PL
Poland
Prior art keywords
decoding
encoding
complex
audio signals
filter banks
Prior art date
Application number
PL05797747T
Other languages
English (en)
Polish (pl)
Inventor
Lars F. Villemoes
Erik G. P. Schuijers
Original Assignee
Koninklijke Philips N.V.
Dolby International 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
Application filed by Koninklijke Philips N.V., Dolby International Ab filed Critical Koninklijke Philips N.V.
Publication of PL1810281T3 publication Critical patent/PL1810281T3/pl

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
    • G10L19/02—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
    • 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
    • G10L19/0204—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 using subband decomposition
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
PL05797747T 2004-11-02 2005-10-31 Kodowanie i dekodowanie sygnałów audio z wykorzystaniem banków filtrów o wartościach zespolonych PL1810281T3 (pl)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
EP04105457 2004-11-02
EP05108293 2005-09-09
EP05797747.2A EP1810281B1 (en) 2004-11-02 2005-10-31 Encoding and decoding of audio signals using complex-valued filter banks
PCT/IB2005/053545 WO2006048814A1 (en) 2004-11-02 2005-10-31 Encoding and decoding of audio signals using complex-valued filter banks

Publications (1)

Publication Number Publication Date
PL1810281T3 true PL1810281T3 (pl) 2020-07-27

Family

ID=35530766

Family Applications (1)

Application Number Title Priority Date Filing Date
PL05797747T PL1810281T3 (pl) 2004-11-02 2005-10-31 Kodowanie i dekodowanie sygnałów audio z wykorzystaniem banków filtrów o wartościach zespolonych

Country Status (11)

Country Link
US (1) US8255231B2 (enExample)
EP (1) EP1810281B1 (enExample)
JP (1) JP4939424B2 (enExample)
KR (1) KR101187597B1 (enExample)
CN (2) CN102148035B (enExample)
BR (1) BRPI0517234B1 (enExample)
ES (1) ES2791001T3 (enExample)
MX (1) MX2007005103A (enExample)
PL (1) PL1810281T3 (enExample)
RU (1) RU2407069C2 (enExample)
WO (1) WO2006048814A1 (enExample)

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Also Published As

Publication number Publication date
KR101187597B1 (ko) 2012-10-12
BRPI0517234A (pt) 2008-10-07
JP2008519290A (ja) 2008-06-05
CN102148035A (zh) 2011-08-10
CN101053019A (zh) 2007-10-10
JP4939424B2 (ja) 2012-05-23
MX2007005103A (es) 2007-07-04
KR20070085681A (ko) 2007-08-27
EP1810281A1 (en) 2007-07-25
ES2791001T3 (es) 2020-10-30
RU2007120591A (ru) 2008-12-10
WO2006048814A1 (en) 2006-05-11
CN102148035B (zh) 2014-06-18
BRPI0517234B1 (pt) 2019-07-02
CN101053019B (zh) 2012-01-25
RU2407069C2 (ru) 2010-12-20
US20090063140A1 (en) 2009-03-05
EP1810281B1 (en) 2020-02-26
US8255231B2 (en) 2012-08-28

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