HK1149646A1 - Efficient filtering with a complex modulated filterbank - Google Patents

Efficient filtering with a complex modulated filterbank

Info

Publication number: HK1149646A1
Authority: HK; Hong Kong
Prior art keywords: complex; filter; impulse response; signal; valued subband
Prior art date: 2006-01-27

Application number

HK11107070.5A

Other languages

English (en)

Chinese (zh)

Inventor

Lars Villemoes

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

2009-01-06

Publication date

2011-10-07

2009-01-06 Application filed by Dolby Int Ab filed Critical Dolby Int Ab

2011-10-07 Publication of HK1149646A1 publication Critical patent/HK1149646A1/xx

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

HK11107070.5A 2006-01-27 2009-01-06 Efficient filtering with a complex modulated filterbank HK1149646A1 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US76259206P	2006-01-27	2006-01-27
US74455906P	2006-04-10	2006-04-10

Publications (1)

Publication Number	Publication Date
HK1149646A1 true HK1149646A1 (en)	2011-10-07

Family

ID=37336292

Family Applications (4)

Application Number	Title	Priority Date	Filing Date
HK11107070.5A HK1149646A1 (en)	2006-01-27	2009-01-06	Efficient filtering with a complex modulated filterbank
HK09100077.7A HK1120938A1 (en)	2006-01-27	2009-01-06	Efficient filtering with a complex modulated filterbank
HK18115382.4A HK1256315B (zh)	2006-01-27	2009-01-06	利用複調制濾波器組的高效濾波
HK11104556.5A HK1150687A1 (en)	2006-01-27	2011-05-09	Efficient filtering with a complex modulated filterbank

Family Applications After (3)

Application Number	Title	Priority Date	Filing Date
HK09100077.7A HK1120938A1 (en)	2006-01-27	2009-01-06	Efficient filtering with a complex modulated filterbank
HK18115382.4A HK1256315B (zh)	2006-01-27	2009-01-06	利用複調制濾波器組的高效濾波
HK11104556.5A HK1150687A1 (en)	2006-01-27	2011-05-09	Efficient filtering with a complex modulated filterbank

Country Status (19)

Country	Link
US (2)	US7711552B2 (xx)
EP (9)	EP1977510B1 (xx)
JP (3)	JP5452936B2 (xx)
KR (1)	KR100959971B1 (xx)
CN (3)	CN102158198B (xx)
AT (1)	ATE503300T1 (xx)
AU (2)	AU2006336954B2 (xx)
BR (2)	BRPI0621207B1 (xx)
CA (1)	CA2640431C (xx)
DE (1)	DE602006020930D1 (xx)
ES (6)	ES2672811T3 (xx)
HK (4)	HK1149646A1 (xx)
HU (6)	HUE039217T2 (xx)
MY (3)	MY154144A (xx)
NO (5)	NO339847B1 (xx)
RU (3)	RU2453986C2 (xx)
TR (1)	TR201808453T4 (xx)
TW (1)	TWI325685B (xx)
WO (1)	WO2007085275A1 (xx)

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2006
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- 2006-09-01 CN CN201010576370.1A patent/CN102158198B/zh active Active
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- 2006-09-01 MY MYPI2010003556A patent/MY154144A/en unknown
- 2006-09-01 EP EP06777144A patent/EP1977510B1/en active Active
- 2006-09-01 HU HUE20184765A patent/HUE057622T2/hu unknown
- 2006-09-01 RU RU2010136817/08A patent/RU2453986C2/ru active
- 2006-09-01 EP EP10194523.6A patent/EP2337223B1/en active Active
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2008
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2009
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2010
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2011
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2016
- 2016-10-31 NO NO20161716A patent/NO342163B1/no unknown
- 2016-10-31 NO NO20161718A patent/NO342467B1/no unknown
2018
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- 2018-04-19 NO NO20180533A patent/NO344514B1/no unknown

Also Published As

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

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