DE602006020930D1 - Effiziente filterung mit einer komplex modulierten filterbank - Google Patents

Effiziente filterung mit einer komplex modulierten filterbank

Info

Publication number
DE602006020930D1
DE602006020930D1 DE602006020930T DE602006020930T DE602006020930D1 DE 602006020930 D1 DE602006020930 D1 DE 602006020930D1 DE 602006020930 T DE602006020930 T DE 602006020930T DE 602006020930 T DE602006020930 T DE 602006020930T DE 602006020930 D1 DE602006020930 D1 DE 602006020930D1
Authority
DE
Germany
Prior art keywords
complex
filter
impulse response
signal
filter bank
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
DE602006020930T
Other languages
English (en)
Inventor
Lars Villemoes
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dolby International AB
Original Assignee
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 Dolby International AB filed Critical Dolby International AB
Publication of DE602006020930D1 publication Critical patent/DE602006020930D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00Networks using digital techniques
    • H03H17/02Frequency selective networks
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; 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
    • G10L19/02Speech 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
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; 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
    • G10L19/02Speech 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
    • G10L19/0204Speech 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
    • HELECTRICITY
    • H03ELECTRONIC 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
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00Networks using digital techniques
    • H03H17/02Frequency selective networks
    • H03H17/0294Variable filters; Programmable filters
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H2218/00Indexing scheme relating to details of digital filters
    • H03H2218/04In-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)
  • Filters And Equalizers (AREA)
  • Materials For Photolithography (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Dc Digital Transmission (AREA)
  • Peptides Or Proteins (AREA)
  • Networks Using Active Elements (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
  • Prostheses (AREA)
  • Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
  • Eye Examination Apparatus (AREA)
  • Inks, Pencil-Leads, Or Crayons (AREA)
  • Error Detection And Correction (AREA)
  • Treatment Of Liquids With Adsorbents In General (AREA)
  • Detergent Compositions (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Lubricants (AREA)
DE602006020930T 2006-01-27 2006-09-01 Effiziente filterung mit einer komplex modulierten filterbank Active DE602006020930D1 (de)

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
PCT/EP2006/008565 WO2007085275A1 (en) 2006-01-27 2006-09-01 Efficient filtering with a complex modulated filterbank

Publications (1)

Publication Number Publication Date
DE602006020930D1 true DE602006020930D1 (de) 2011-05-05

Family

ID=37336292

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602006020930T Active DE602006020930D1 (de) 2006-01-27 2006-09-01 Effiziente filterung mit einer komplex modulierten filterbank

Country Status (19)

Country Link
US (2) US7711552B2 (de)
EP (9) EP1977510B1 (de)
JP (3) JP5452936B2 (de)
KR (1) KR100959971B1 (de)
CN (3) CN101882441B (de)
AT (1) ATE503300T1 (de)
AU (2) AU2006336954B2 (de)
BR (2) BRPI0621207B1 (de)
CA (1) CA2640431C (de)
DE (1) DE602006020930D1 (de)
ES (5) ES2750304T3 (de)
HK (4) HK1120938A1 (de)
HU (5) HUE057622T2 (de)
MY (3) MY171034A (de)
NO (5) NO339847B1 (de)
RU (3) RU2402872C2 (de)
TR (1) TR201808453T4 (de)
TW (1) TWI325685B (de)
WO (1) WO2007085275A1 (de)

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Also Published As

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

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