AT354160T - Audio signal encoding or decoding - Google Patents

Audio signal encoding or decoding

Info

Publication number
AT354160T
AT354160T AT04770333T AT04770333T AT354160T AT 354160 T AT354160 T AT 354160T AT 04770333 T AT04770333 T AT 04770333T AT 04770333 T AT04770333 T AT 04770333T AT 354160 T AT354160 T AT 354160T
Authority
AT
Austria
Prior art keywords
decoding
audio signal
signal encoding
encoding
audio
Prior art date
Application number
AT04770333T
Other languages
German (de)
Inventor
Lars F Villemoes
Per Ekstrand
Heiko Purnhagen
Erik G P Schuijers
Bont Fransiscus M J De
Original Assignee
Koninkl Philips Electronics Nv
Coding Tech 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 to EP03104034 priority Critical
Application filed by Koninkl Philips Electronics Nv, Coding Tech Ab filed Critical Koninkl Philips Electronics Nv
Publication of AT354160T publication Critical patent/AT354160T/en

Links

Classifications

    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/008Multichannel audio signal coding or decoding, i.e. using interchannel correlation to reduce redundancies, e.g. joint-stereo, intensity-coding, matrixing
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00Processing of the speech or voice signal to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/038Speech enhancement, e.g. noise reduction or echo cancellation using band spreading techniques
    • HELECTRICITY
    • H03BASIC ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00Networks using digital techniques
    • H03H17/02Frequency selective networks
    • H03H17/0248Filters characterised by a particular frequency response or filtering method
    • H03H17/0264Filter sets with mutual related characteristics
    • H03H17/0266Filter banks
AT04770333T 2003-10-30 2004-10-28 Audio signal encoding or decoding AT354160T (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP03104034 2003-10-30

Publications (1)

Publication Number Publication Date
AT354160T true AT354160T (en) 2007-03-15

Family

ID=34530779

Family Applications (1)

Application Number Title Priority Date Filing Date
AT04770333T AT354160T (en) 2003-10-30 2004-10-28 Audio signal encoding or decoding

Country Status (11)

Country Link
US (3) US7519538B2 (en)
EP (1) EP1683133B1 (en)
JP (4) JP4966013B2 (en)
KR (2) KR101217649B1 (en)
CN (2) CN101540171B (en)
AT (1) AT354160T (en)
BR (1) BRPI0415951B1 (en)
DE (1) DE602004004818T2 (en)
ES (1) ES2282899T3 (en)
RU (1) RU2374703C2 (en)
WO (1) WO2005043511A1 (en)

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Also Published As

Publication number Publication date
JP5192424B2 (en) 2013-05-08
CN1875402B (en) 2012-03-21
KR101217649B1 (en) 2013-01-02
JP2009163257A (en) 2009-07-23
JP4966013B2 (en) 2012-07-04
KR20110113765A (en) 2011-10-18
US20090216544A1 (en) 2009-08-27
DE602004004818T2 (en) 2007-12-06
US20110178810A1 (en) 2011-07-21
JP5335015B2 (en) 2013-11-06
DE602004004818D1 (en) 2007-03-29
BRPI0415951B1 (en) 2018-08-28
RU2374703C2 (en) 2009-11-27
KR101106026B1 (en) 2012-01-17
CN101540171B (en) 2013-11-06
US8260607B2 (en) 2012-09-04
JP5889828B2 (en) 2016-03-22
RU2006118682A (en) 2007-12-10
EP1683133A1 (en) 2006-07-26
BRPI0415951A (en) 2007-01-02
JP2007514962A (en) 2007-06-07
ES2282899T3 (en) 2007-10-16
US7519538B2 (en) 2009-04-14
JP2011128649A (en) 2011-06-30
BRPI0415951A8 (en) 2018-05-02
EP1683133B1 (en) 2007-02-14
JP2013167908A (en) 2013-08-29
CN1875402A (en) 2006-12-06
US20070067162A1 (en) 2007-03-22
US8073685B2 (en) 2011-12-06
KR20060131745A (en) 2006-12-20
CN101540171A (en) 2009-09-23
WO2005043511A1 (en) 2005-05-12

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