PL1999997T3 - Udoskonalony sposób kształtowania sygnału podczas rekonstrukcji wielokanałowego sygnału audio - Google Patents

Udoskonalony sposób kształtowania sygnału podczas rekonstrukcji wielokanałowego sygnału audio

Info

Publication number
PL1999997T3
PL1999997T3 PL06742984T PL06742984T PL1999997T3 PL 1999997 T3 PL1999997 T3 PL 1999997T3 PL 06742984 T PL06742984 T PL 06742984T PL 06742984 T PL06742984 T PL 06742984T PL 1999997 T3 PL1999997 T3 PL 1999997T3
Authority
PL
Poland
Prior art keywords
channel
fine structure
reconstructed
temporal fine
signal component
Prior art date
Application number
PL06742984T
Other languages
English (en)
Inventor
Sascha Disch
Karsten Linzmeier
Jürgen Herre
Harald Popp
Original Assignee
Fraunhofer Ges Forschung
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 Fraunhofer Ges Forschung filed Critical Fraunhofer Ges Forschung
Publication of PL1999997T3 publication Critical patent/PL1999997T3/pl

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S3/00Systems employing more than two channels, e.g. quadraphonic
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S3/00Systems employing more than two channels, e.g. quadraphonic
    • H04S3/002Non-adaptive circuits, e.g. manually adjustable or static, for enhancing the sound image or the spatial distribution
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S1/00Two-channel systems
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S3/00Systems employing more than two channels, e.g. quadraphonic
    • H04S3/02Systems employing more than two channels, e.g. quadraphonic of the matrix type, i.e. in which input signals are combined algebraically, e.g. after having been phase shifted with respect to each other
    • 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
    • G10L19/008Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • 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
    • G10L19/04Speech 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 predictive techniques
    • G10L19/26Pre-filtering or post-filtering
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2217/00Details of magnetostrictive, piezoelectric, or electrostrictive transducers covered by H04R15/00 or H04R17/00 but not provided for in any of their subgroups
    • H04R2217/03Parametric transducers where sound is generated or captured by the acoustic demodulation of amplitude modulated ultrasonic waves
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S2420/00Techniques used stereophonic systems covered by H04S but not provided for in its groups
    • H04S2420/03Application of parametric coding in stereophonic audio systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Mathematical Physics (AREA)
  • Mathematical Analysis (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Pure & Applied Mathematics (AREA)
  • Mathematical Optimization (AREA)
  • Algebra (AREA)
  • Multimedia (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Human Computer Interaction (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Stereophonic System (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Stereo-Broadcasting Methods (AREA)
PL06742984T 2006-03-28 2006-05-18 Udoskonalony sposób kształtowania sygnału podczas rekonstrukcji wielokanałowego sygnału audio PL1999997T3 (pl)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US78709606P 2006-03-28 2006-03-28
EP06742984A EP1999997B1 (en) 2006-03-28 2006-05-18 Enhanced method for signal shaping in multi-channel audio reconstruction
PCT/EP2006/004732 WO2007110101A1 (en) 2006-03-28 2006-05-18 Enhanced method for signal shaping in multi-channel audio reconstruction

Publications (1)

Publication Number Publication Date
PL1999997T3 true PL1999997T3 (pl) 2011-09-30

Family

ID=36649469

Family Applications (1)

Application Number Title Priority Date Filing Date
PL06742984T PL1999997T3 (pl) 2006-03-28 2006-05-18 Udoskonalony sposób kształtowania sygnału podczas rekonstrukcji wielokanałowego sygnału audio

Country Status (20)

Country Link
US (1) US8116459B2 (pl)
EP (1) EP1999997B1 (pl)
JP (1) JP5222279B2 (pl)
KR (1) KR101001835B1 (pl)
CN (1) CN101406073B (pl)
AT (1) ATE505912T1 (pl)
AU (1) AU2006340728B2 (pl)
BR (1) BRPI0621499B1 (pl)
CA (1) CA2646961C (pl)
DE (1) DE602006021347D1 (pl)
ES (1) ES2362920T3 (pl)
IL (1) IL194064A (pl)
MX (1) MX2008012324A (pl)
MY (1) MY143234A (pl)
NO (1) NO339914B1 (pl)
PL (1) PL1999997T3 (pl)
RU (1) RU2393646C1 (pl)
TW (1) TWI314024B (pl)
WO (1) WO2007110101A1 (pl)
ZA (1) ZA200809187B (pl)

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Also Published As

Publication number Publication date
MY143234A (en) 2011-04-15
WO2007110101A1 (en) 2007-10-04
ATE505912T1 (de) 2011-04-15
CA2646961C (en) 2013-09-03
AU2006340728A1 (en) 2007-10-04
KR101001835B1 (ko) 2010-12-15
DE602006021347D1 (de) 2011-05-26
NO20084409L (no) 2008-10-21
HK1120699A1 (en) 2009-04-03
US20070236858A1 (en) 2007-10-11
ZA200809187B (en) 2009-11-25
EP1999997B1 (en) 2011-04-13
JP5222279B2 (ja) 2013-06-26
RU2393646C1 (ru) 2010-06-27
CA2646961A1 (en) 2007-10-04
BRPI0621499B1 (pt) 2022-04-12
KR20080107446A (ko) 2008-12-10
JP2009531724A (ja) 2009-09-03
EP1999997A1 (en) 2008-12-10
MX2008012324A (es) 2008-10-10
US8116459B2 (en) 2012-02-14
CN101406073B (zh) 2013-01-09
BRPI0621499A2 (pt) 2011-12-13
RU2008142565A (ru) 2010-05-10
IL194064A (en) 2014-08-31
CN101406073A (zh) 2009-04-08
NO339914B1 (no) 2017-02-13
TW200738037A (en) 2007-10-01
ES2362920T3 (es) 2011-07-15
TWI314024B (en) 2009-08-21
AU2006340728B2 (en) 2010-08-19

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