DK4372743T3 - Effektiv filtrering med en kompleks moduleret filterbank - Google Patents

Effektiv filtrering med en kompleks moduleret filterbank Download PDF

Info

Publication number: DK4372743T3
Authority: DK; Denmark
Prior art keywords: filter bank; modulated filter; complex modulated; efficient filtration; filtration
Prior art date: 2006-01-27

Application number

DK24168191.5T

Other languages

English (en)

Inventor

Lars Willemoes

Original Assignee

Dolby Int 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.)

2006-01-27

Filing date

2006-09-01

Publication date

2025-06-02

2006-09-01 Application filed by Dolby Int Ab filed Critical Dolby Int Ab

2025-06-02 Application granted granted Critical

2025-06-02 Publication of DK4372743T3 publication Critical patent/DK4372743T3/da

Classifications

- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H17/00—Networks using digital techniques
- H03H17/02—Frequency selective networks
- 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
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H17/00—Networks using digital techniques
- H03H17/02—Frequency selective networks
- H03H17/0248—Filters characterised by a particular frequency response or filtering method
- H03H17/0264—Filter sets with mutual related characteristics
- H03H17/0266—Filter banks
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H17/00—Networks using digital techniques
- H03H17/02—Frequency selective networks
- H03H17/0294—Variable filters; Programmable filters
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H2218/00—Indexing scheme relating to details of digital filters
- H03H2218/04—In-phase and quadrature [I/Q] signals

Landscapes

Engineering & Computer Science (AREA)
Physics & Mathematics (AREA)
Audiology, Speech & Language Pathology (AREA)
Human Computer Interaction (AREA)
Spectroscopy & Molecular Physics (AREA)
Computational Linguistics (AREA)
Signal Processing (AREA)
Health & Medical Sciences (AREA)
Computer Hardware Design (AREA)
Mathematical Physics (AREA)
Acoustics & Sound (AREA)
Multimedia (AREA)
Compression, Expansion, Code Conversion, And Decoders (AREA)
Developing Agents For Electrophotography (AREA)
Filters That Use Time-Delay Elements (AREA)
Liquid Crystal Substances (AREA)
Control Of Motors That Do Not Use Commutators (AREA)
Filters And Equalizers (AREA)
Materials For Photolithography (AREA)
Dc Digital Transmission (AREA)
Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
Prostheses (AREA)
Networks Using Active Elements (AREA)
Peptides Or Proteins (AREA)
Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
Treatment Of Liquids With Adsorbents In General (AREA)
Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Lubricants (AREA)
Detergent Compositions (AREA)
Error Detection And Correction (AREA)
Eye Examination Apparatus (AREA)
Inks, Pencil-Leads, Or Crayons (AREA)

DK24168191.5T 2006-01-27 2006-09-01 Effektiv filtrering med en kompleks moduleret filterbank DK4372743T3 (da)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
US76259206P	2006-01-27	2006-01-27
US74455906P	2006-04-10	2006-04-10
EP22214715.9A EP4178110B1 (en)	2006-01-27	2006-09-01	Efficient filtering with a complex modulated filterbank

Publications (1)

Publication Number	Publication Date
DK4372743T3 true DK4372743T3 (da)	2025-06-02

Family

ID=37336292

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DK24168191.5T DK4372743T3 (da)	2006-01-27	2006-09-01	Effektiv filtrering med en kompleks moduleret filterbank

Country Status (21)

Country	Link
US (2)	US7711552B2 (da)
EP (10)	EP1977510B1 (da)
JP (3)	JP5452936B2 (da)
KR (1)	KR100959971B1 (da)
CN (3)	CN102158198B (da)
AT (1)	ATE503300T1 (da)
AU (2)	AU2006336954B2 (da)
BR (2)	BR122018017208B1 (da)
CA (1)	CA2640431C (da)
DE (1)	DE602006020930D1 (da)
DK (1)	DK4372743T3 (da)
ES (7)	ES2750304T3 (da)
FI (1)	FI4372743T3 (da)
HK (1)	HK1256315B (da)
HU (7)	HUE071512T2 (da)
MY (3)	MY171034A (da)
NO (5)	NO339847B1 (da)
RU (3)	RU2453986C2 (da)
TR (1)	TR201808453T4 (da)
TW (1)	TWI325685B (da)
WO (1)	WO2007085275A1 (da)

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2006
- 2006-09-01 EP EP06777144A patent/EP1977510B1/en active Active
- 2006-09-01 ES ES18153681T patent/ES2750304T3/es active Active
- 2006-09-01 HU HUE24168191A patent/HUE071512T2/hu unknown
- 2006-09-01 AU AU2006336954A patent/AU2006336954B2/en active Active
- 2006-09-01 CN CN201010576370.1A patent/CN102158198B/zh active Active
- 2006-09-01 ES ES18171733T patent/ES2821413T3/es active Active
- 2006-09-01 EP EP24168191.5A patent/EP4372743B1/en active Active
- 2006-09-01 BR BR122018017208-8A patent/BR122018017208B1/pt active IP Right Grant
- 2006-09-01 EP EP22214715.9A patent/EP4178110B1/en active Active
- 2006-09-01 EP EP21204932.4A patent/EP3979497B1/en active Active
- 2006-09-01 BR BRPI0621207-7A patent/BRPI0621207B1/pt active IP Right Grant
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- 2006-09-01 KR KR1020087018594A patent/KR100959971B1/ko active Active
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2008
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2009
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2011
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2016
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2018
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Also Published As

Publication number	Publication date
US20100174767A1 (en)	2010-07-08
ES2906088T3 (es)	2022-04-13
EP2337223A2 (en)	2011-06-22
ES2672811T3 (es)	2018-06-18
TW200729708A (en)	2007-08-01
EP2337223B1 (en)	2014-12-24
CN101882441B (zh)	2013-02-27
HUE051853T2 (hu)	2021-03-29
EP4564348A3 (en)	2025-08-27
EP3979497B1 (en)	2023-01-04
CA2640431C (en)	2012-11-06
US20070179781A1 (en)	2007-08-02
RU2402872C2 (ru)	2010-10-27
HK1256315B (en)	2020-07-17
BRPI0621207B1 (pt)	2020-03-03
EP3454471A1 (en)	2019-03-13
MY171034A (en)	2019-09-23
EP3754846A1 (en)	2020-12-23
ATE503300T1 (de)	2011-04-15
NO20161716A1 (no)	2008-08-26
NO339847B1 (no)	2017-02-06
HUE045751T2 (hu)	2020-01-28
EP3754846B1 (en)	2021-12-15
HUE061488T2 (hu)	2023-07-28
EP3334043B1 (en)	2019-07-31
ES2940283T3 (es)	2023-05-05
EP1977510B1 (en)	2011-03-23
RU2010136817A (ru)	2012-03-10
EP4564348A2 (en)	2025-06-04
NO20180533A1 (no)	2008-08-26
BR122018017208B1 (pt)	2019-06-11
HK1120938A1 (en)	2009-04-09
NO20083675L (no)	2008-08-26
EP2306644B1 (en)	2018-03-21
EP2337223A3 (en)	2012-01-25
HUE039217T2 (hu)	2018-12-28
JP2011103663A (ja)	2011-05-26
CN102158198B (zh)	2015-04-01
AU2006336954A1 (en)	2007-08-02
AU2010257205B2 (en)	2014-04-03
EP3979497A1 (en)	2022-04-06
MY144430A (en)	2011-09-15
KR100959971B1 (ko)	2010-05-27
RU2008134898A (ru)	2010-03-10
EP3454471B1 (en)	2020-08-26
HUE066862T2 (hu)	2024-09-28
ES3032536T3 (en)	2025-07-21
US7711552B2 (en)	2010-05-04
HUE057622T2 (hu)	2022-05-28
CA2640431A1 (en)	2007-08-02
HK1150687A1 (en)	2012-01-06
HUE071512T2 (hu)	2025-09-28
BRPI0621207A2 (pt)	2013-10-29
TWI325685B (en)	2010-06-01
FI4372743T3 (fi)	2025-07-01
AU2006336954B2 (en)	2011-02-03
JP5453222B2 (ja)	2014-03-26
US8315859B2 (en)	2012-11-20
AU2010257205A1 (en)	2011-01-13
ES2821413T3 (es)	2021-04-26
EP1977510A1 (en)	2008-10-08
MY154144A (en)	2015-05-15
RU2011154389A (ru)	2013-07-10
NO343578B1 (no)	2019-04-08
NO20180322A1 (no)	2008-08-26
JP2009524956A (ja)	2009-07-02
EP4372743A3 (en)	2024-09-25
EP3334043A1 (en)	2018-06-13
EP4178110A1 (en)	2023-05-10
EP4372743A2 (en)	2024-05-22
HK1149646A1 (en)	2011-10-07
NO342467B1 (no)	2018-05-28
EP4372743B1 (en)	2025-05-07
ES2750304T3 (es)	2020-03-25
KR20080095867A (ko)	2008-10-29
CN101882441A (zh)	2010-11-10
RU2507678C2 (ru)	2014-02-20
WO2007085275A1 (en)	2007-08-02
JP2011103662A (ja)	2011-05-26
CN101401305A (zh)	2009-04-01
NO342163B1 (no)	2018-04-09
CN102158198A (zh)	2011-08-17
CN101401305B (zh)	2012-05-23
RU2453986C2 (ru)	2012-06-20
DE602006020930D1 (de)	2011-05-05
TR201808453T4 (tr)	2018-07-23
EP4178110B1 (en)	2024-04-24
NO20161718A1 (no)	2008-08-26
EP2306644A1 (en)	2011-04-06
JP5452936B2 (ja)	2014-03-26
NO344514B1 (no)	2020-01-20
ES2983574T3 (es)	2024-10-23

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