AU2006340728B2 - Enhanced method for signal shaping in multi-channel audio reconstruction - Google Patents

Enhanced method for signal shaping in multi-channel audio reconstruction Download PDF

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Publication number
AU2006340728B2
AU2006340728B2 AU2006340728A AU2006340728A AU2006340728B2 AU 2006340728 B2 AU2006340728 B2 AU 2006340728B2 AU 2006340728 A AU2006340728 A AU 2006340728A AU 2006340728 A AU2006340728 A AU 2006340728A AU 2006340728 B2 AU2006340728 B2 AU 2006340728B2
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channel
direct
downmix
signal
accordance
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AU2006340728A1 (en
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Sascha Disch
Juergen Herre
Karsten Linzmeier
Harald Popp
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Fraunhofer Gesellschaft zur Foerderung der Angewandten Forschung eV
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H04S3/002—Non-adaptive circuits, e.g. manually adjustable or static, for enhancing the sound image or the spatial distribution
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S1/00—Two-channel systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H04S3/02—Systems 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
    • 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
    • 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
    • G10L19/04—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 predictive techniques
    • G10L19/26—Pre-filtering or post-filtering
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R2217/00—Details of magnetostrictive, piezoelectric, or electrostrictive transducers covered by H04R15/00 or H04R17/00 but not provided for in any of their subgroups
    • H04R2217/03—Parametric transducers where sound is generated or captured by the acoustic demodulation of amplitude modulated ultrasonic waves
    • 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

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Acoustics & Sound (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • General Physics & Mathematics (AREA)
  • Algebra (AREA)
  • Health & Medical Sciences (AREA)
  • Computational Linguistics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Multimedia (AREA)
  • Stereophonic System (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Stereo-Broadcasting Methods (AREA)
AU2006340728A 2006-03-28 2006-05-18 Enhanced method for signal shaping in multi-channel audio reconstruction Active AU2006340728B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US78709606P 2006-03-28 2006-03-28
US60/787,096 2006-03-28
PCT/EP2006/004732 WO2007110101A1 (en) 2006-03-28 2006-05-18 Enhanced method for signal shaping in multi-channel audio reconstruction

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AU2006340728A1 AU2006340728A1 (en) 2007-10-04
AU2006340728B2 true AU2006340728B2 (en) 2010-08-19

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

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Also Published As

Publication number Publication date
EP1999997B1 (en) 2011-04-13
KR20080107446A (ko) 2008-12-10
US20070236858A1 (en) 2007-10-11
US8116459B2 (en) 2012-02-14
PL1999997T3 (pl) 2011-09-30
ZA200809187B (en) 2009-11-25
CN101406073A (zh) 2009-04-08
JP5222279B2 (ja) 2013-06-26
TWI314024B (en) 2009-08-21
NO20084409L (no) 2008-10-21
HK1120699A1 (en) 2009-04-03
CA2646961C (en) 2013-09-03
BRPI0621499B1 (pt) 2022-04-12
RU2393646C1 (ru) 2010-06-27
RU2008142565A (ru) 2010-05-10
NO339914B1 (no) 2017-02-13
ES2362920T3 (es) 2011-07-15
EP1999997A1 (en) 2008-12-10
DE602006021347D1 (de) 2011-05-26
CA2646961A1 (en) 2007-10-04
TW200738037A (en) 2007-10-01
IL194064A (en) 2014-08-31
BRPI0621499A2 (pt) 2011-12-13
MX2008012324A (es) 2008-10-10
AU2006340728A1 (en) 2007-10-04
MY143234A (en) 2011-04-15
ATE505912T1 (de) 2011-04-15
WO2007110101A1 (en) 2007-10-04
CN101406073B (zh) 2013-01-09
JP2009531724A (ja) 2009-09-03
KR101001835B1 (ko) 2010-12-15

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