PL1784818T3 - Kształtowanie tymczasowej obwiedni dla przestrzennego kodowania audio przy użyciu filtrowania Wienera w domenie częstotliwości - Google Patents

Kształtowanie tymczasowej obwiedni dla przestrzennego kodowania audio przy użyciu filtrowania Wienera w domenie częstotliwości

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Publication number
PL1784818T3
PL1784818T3 PL05786297T PL05786297T PL1784818T3 PL 1784818 T3 PL1784818 T3 PL 1784818T3 PL 05786297 T PL05786297 T PL 05786297T PL 05786297 T PL05786297 T PL 05786297T PL 1784818 T3 PL1784818 T3 PL 1784818T3
Authority
PL
Poland
Prior art keywords
frequency domain
audio coding
spatial audio
temporal envelope
wiener filtering
Prior art date
Application number
PL05786297T
Other languages
English (en)
Inventor
Mark Stuart Vinton
Alan Jeffrey Seefeldt
Original Assignee
Dolby Laboratories Licensing Corporation
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 Dolby Laboratories Licensing Corporation filed Critical Dolby Laboratories Licensing Corporation
Publication of PL1784818T3 publication Critical patent/PL1784818T3/pl

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Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • 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
PL05786297T 2004-08-25 2005-08-15 Kształtowanie tymczasowej obwiedni dla przestrzennego kodowania audio przy użyciu filtrowania Wienera w domenie częstotliwości PL1784818T3 (pl)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US60483604P 2004-08-25 2004-08-25
EP05786297.1A EP1784818B1 (en) 2004-08-25 2005-08-15 Temporal envelope shaping for spatial audio coding using frequency domain wiener filtering
PCT/US2005/029157 WO2006026161A2 (en) 2004-08-25 2005-08-15 Temporal envelope shaping for spatial audio coding using frequency domain wiener filtering

Publications (1)

Publication Number Publication Date
PL1784818T3 true PL1784818T3 (pl) 2018-04-30

Family

ID=35636849

Family Applications (3)

Application Number Title Priority Date Filing Date
PL21195475.5T PL3940697T3 (pl) 2004-08-25 2005-08-15 Kształtowanie obwiedni czasowej do kodowania przestrzennego audio z wykorzystaniem filtracji wienera w dziedzinie częstotliwości
PL05786297T PL1784818T3 (pl) 2004-08-25 2005-08-15 Kształtowanie tymczasowej obwiedni dla przestrzennego kodowania audio przy użyciu filtrowania Wienera w domenie częstotliwości
PL17193794T PL3279893T3 (pl) 2004-08-25 2005-08-15 Kształtowanie obwiedni czasowej do kodowania przestrzennego audio w wykorzystaniem filtracji wienera w dziedzinie częstotliwości

Family Applications Before (1)

Application Number Title Priority Date Filing Date
PL21195475.5T PL3940697T3 (pl) 2004-08-25 2005-08-15 Kształtowanie obwiedni czasowej do kodowania przestrzennego audio z wykorzystaniem filtracji wienera w dziedzinie częstotliwości

Family Applications After (1)

Application Number Title Priority Date Filing Date
PL17193794T PL3279893T3 (pl) 2004-08-25 2005-08-15 Kształtowanie obwiedni czasowej do kodowania przestrzennego audio w wykorzystaniem filtracji wienera w dziedzinie częstotliwości

Country Status (15)

Country Link
US (3) US8255211B2 (pl)
EP (4) EP4036914A1 (pl)
JP (2) JP5038138B2 (pl)
KR (3) KR20120006077A (pl)
CN (3) CN101006494B (pl)
AU (2) AU2005280392B2 (pl)
BR (3) BRPI0514650B1 (pl)
CA (1) CA2589623C (pl)
ES (3) ES2899286T3 (pl)
IL (3) IL181407A (pl)
MX (1) MX2007001948A (pl)
MY (2) MY151318A (pl)
PL (3) PL3940697T3 (pl)
TW (3) TWI393120B (pl)
WO (1) WO2006026161A2 (pl)

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Also Published As

Publication number Publication date
IL214135A0 (en) 2011-08-31
TWI498882B (zh) 2015-09-01
JP5292498B2 (ja) 2013-09-18
CN102968996B (zh) 2015-06-10
KR20070051860A (ko) 2007-05-18
EP3279893B1 (en) 2021-09-22
ES2923661T3 (es) 2022-09-29
EP3940697B1 (en) 2022-06-22
TWI393120B (zh) 2013-04-11
CN101006494A (zh) 2007-07-25
ES2899286T3 (es) 2022-03-10
CN102270453A (zh) 2011-12-07
KR20110069179A (ko) 2011-06-22
IL201469A (en) 2012-07-31
AU2011200680B2 (en) 2012-05-24
AU2005280392A1 (en) 2006-03-09
TW200611240A (en) 2006-04-01
JP2012177939A (ja) 2012-09-13
CN101006494B (zh) 2011-09-07
AU2005280392B2 (en) 2011-02-24
JP2008511040A (ja) 2008-04-10
EP1784818A2 (en) 2007-05-16
MY151318A (en) 2014-05-15
JP5038138B2 (ja) 2012-10-03
TW201316327A (zh) 2013-04-16
PL3279893T3 (pl) 2022-02-07
BR122018077089B8 (pt) 2021-01-05
AU2011200680C1 (en) 2013-03-14
CA2589623C (en) 2014-10-28
US20080040103A1 (en) 2008-02-14
EP1784818B1 (en) 2017-11-15
PL3940697T3 (pl) 2022-08-22
ES2658824T3 (es) 2018-03-12
BR122018077099B1 (pt) 2020-11-10
CN102270453B (zh) 2014-06-18
MX2007001948A (es) 2007-04-23
US7945449B2 (en) 2011-05-17
EP4036914A1 (en) 2022-08-03
TWI497485B (zh) 2015-08-21
WO2006026161A3 (en) 2006-05-04
US20080046253A1 (en) 2008-02-21
KR101253699B1 (ko) 2013-04-12
EP3279893A1 (en) 2018-02-07
BRPI0514650A (pt) 2008-06-24
MY163042A (en) 2017-07-31
US8255211B2 (en) 2012-08-28
TW201333933A (zh) 2013-08-16
IL181407A0 (en) 2007-07-04
AU2011200680A1 (en) 2011-03-10
IL181407A (en) 2011-10-31
US20080033731A1 (en) 2008-02-07
BR122018077089B1 (pt) 2020-11-10
IL201469A0 (en) 2011-07-31
KR101139880B1 (ko) 2012-05-02
IL214135A (en) 2015-10-29
CA2589623A1 (en) 2006-03-09
EP3940697A1 (en) 2022-01-19
CN102968996A (zh) 2013-03-13
BRPI0514650B1 (pt) 2019-09-24
KR20120006077A (ko) 2012-01-17
WO2006026161A2 (en) 2006-03-09

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