PL3247135T3 - Zaawansowane przetwarzanie oparte na banku filtrów modulowanym zespoloną funkcją wykładniczą - Google Patents

Zaawansowane przetwarzanie oparte na banku filtrów modulowanym zespoloną funkcją wykładniczą

Info

Publication number
PL3247135T3
PL3247135T3 PL17173337T PL17173337T PL3247135T3 PL 3247135 T3 PL3247135 T3 PL 3247135T3 PL 17173337 T PL17173337 T PL 17173337T PL 17173337 T PL17173337 T PL 17173337T PL 3247135 T3 PL3247135 T3 PL 3247135T3
Authority
PL
Poland
Prior art keywords
signal
subband
exponential
complex
processing based
Prior art date
Application number
PL17173337T
Other languages
English (en)
Inventor
Jonas Engdegard
Lars Villemoes
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
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=20291180&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=PL3247135(T3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Dolby International Ab filed Critical Dolby International Ab
Publication of PL3247135T3 publication Critical patent/PL3247135T3/pl

Links

Classifications

    • 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
    • G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • 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
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S5/00—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation 
    • 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
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2420/00—Techniques used stereophonic systems covered by H04S but not provided for in its groups
    • H04S2420/03—Application of parametric coding in stereophonic audio systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Acoustics & Sound (AREA)
  • Mathematical Physics (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Multimedia (AREA)
  • Computer Hardware Design (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Stereophonic System (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Picture Signal Circuits (AREA)
  • Color Television Image Signal Generators (AREA)
  • Epoxy Resins (AREA)
  • Networks Using Active Elements (AREA)
  • Developing Agents For Electrophotography (AREA)
  • Filters That Use Time-Delay Elements (AREA)
  • Wind Motors (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
PL17173337T 2003-04-30 2004-04-30 Zaawansowane przetwarzanie oparte na banku filtrów modulowanym zespoloną funkcją wykładniczą PL3247135T3 (pl)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
SE0301273A SE0301273D0 (sv) 2003-04-30 2003-04-30 Advanced processing based on a complex-exponential-modulated filterbank and adaptive time signalling methods
EP04730525A EP1616461B1 (en) 2003-04-30 2004-04-30 Advanced processing based on a complex-exponential-modulated filterbank and adaptive time signalling methods
PCT/EP2004/004607 WO2004097794A2 (en) 2003-04-30 2004-04-30 Advanced processing based on a complex-exponential-modulated filterbank and adaptive time signalling methods
EP09009940.9A EP2124485B1 (en) 2003-04-30 2004-04-30 Advanced processing based on a complex-exponential-modulated filterbank and adaptive time signalling methods
EP17173337.1A EP3247135B1 (en) 2003-04-30 2004-04-30 Advanced processing based on a complex-exponential-modulated filterbank

Publications (1)

Publication Number Publication Date
PL3247135T3 true PL3247135T3 (pl) 2020-11-30

Family

ID=20291180

Family Applications (9)

Application Number Title Priority Date Filing Date
PL06026639T PL1768454T3 (pl) 2003-04-30 2004-04-30 Kodowanie parametryczne obrazu stereo sygnału audio
PL10180688T PL2265041T3 (pl) 2003-04-30 2004-04-30 Zaawansowane procesowanie oparte o zespolony-wykładniczo-modulowany zespół filtrów i sposoby sygnalizowania adaptacyjnego w czasie
PL09009940T PL2124485T3 (pl) 2003-04-30 2004-04-30 Zaawansowane przetwarzanie oparte o zespolony-wykładniczo-modulowany bank filtrów i sposoby sygnalizowania adaptacyjnego w czasie
PL10180679T PL2265040T3 (pl) 2003-04-30 2004-04-30 Zaawansowane przetwarzanie oparte o zespolony-wykładniczo-modulowany bank filtrów i sposoby sygnalizowania adaptacyjnego w czasie
PL17173334T PL3244638T3 (pl) 2003-04-30 2004-04-30 Zaawansowane przetwarzanie oparte o zespolony- wykładniczo-modulowany bank filtrów
PL17173337T PL3247135T3 (pl) 2003-04-30 2004-04-30 Zaawansowane przetwarzanie oparte na banku filtrów modulowanym zespoloną funkcją wykładniczą
PL17173336T PL3244639T3 (pl) 2003-04-30 2004-04-30 Zaawansowane przetwarzanie na podstawie modulowanego zespoloną funkcją wykładniczą banku filtrów i adaptacyjne sposoby sygnalizowania czasu
PL17173333T PL3244637T3 (pl) 2003-04-30 2004-04-30 Zaawansowane przetwarzanie na podstawie modulowanego zespoloną funkcją wykładniczą banku filtrów
PL17173338T PL3244640T3 (pl) 2003-04-30 2004-04-30 Zaawansowane przetwarzanie w oparciu o bank filtrów modulowany zespoloną funkcją wykładniczą

Family Applications Before (5)

Application Number Title Priority Date Filing Date
PL06026639T PL1768454T3 (pl) 2003-04-30 2004-04-30 Kodowanie parametryczne obrazu stereo sygnału audio
PL10180688T PL2265041T3 (pl) 2003-04-30 2004-04-30 Zaawansowane procesowanie oparte o zespolony-wykładniczo-modulowany zespół filtrów i sposoby sygnalizowania adaptacyjnego w czasie
PL09009940T PL2124485T3 (pl) 2003-04-30 2004-04-30 Zaawansowane przetwarzanie oparte o zespolony-wykładniczo-modulowany bank filtrów i sposoby sygnalizowania adaptacyjnego w czasie
PL10180679T PL2265040T3 (pl) 2003-04-30 2004-04-30 Zaawansowane przetwarzanie oparte o zespolony-wykładniczo-modulowany bank filtrów i sposoby sygnalizowania adaptacyjnego w czasie
PL17173334T PL3244638T3 (pl) 2003-04-30 2004-04-30 Zaawansowane przetwarzanie oparte o zespolony- wykładniczo-modulowany bank filtrów

Family Applications After (3)

Application Number Title Priority Date Filing Date
PL17173336T PL3244639T3 (pl) 2003-04-30 2004-04-30 Zaawansowane przetwarzanie na podstawie modulowanego zespoloną funkcją wykładniczą banku filtrów i adaptacyjne sposoby sygnalizowania czasu
PL17173333T PL3244637T3 (pl) 2003-04-30 2004-04-30 Zaawansowane przetwarzanie na podstawie modulowanego zespoloną funkcją wykładniczą banku filtrów
PL17173338T PL3244640T3 (pl) 2003-04-30 2004-04-30 Zaawansowane przetwarzanie w oparciu o bank filtrów modulowany zespoloną funkcją wykładniczą

Country Status (12)

Country Link
US (2) US7487097B2 (pl)
EP (12) EP2265042B1 (pl)
JP (2) JP4527716B2 (pl)
KR (1) KR100717604B1 (pl)
CN (3) CN1781338B (pl)
AT (1) ATE444655T1 (pl)
DE (1) DE602004023381D1 (pl)
DK (9) DK3244639T3 (pl)
ES (9) ES2790886T3 (pl)
PL (9) PL1768454T3 (pl)
SE (1) SE0301273D0 (pl)
WO (1) WO2004097794A2 (pl)

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