ATE421845T1 - Zeitliche hüllkurvenformgebung von entkorrelierten signalen - Google Patents

Zeitliche hüllkurvenformgebung von entkorrelierten signalen

Info

Publication number
ATE421845T1
ATE421845T1 AT06724045T AT06724045T ATE421845T1 AT E421845 T1 ATE421845 T1 AT E421845T1 AT 06724045 T AT06724045 T AT 06724045T AT 06724045 T AT06724045 T AT 06724045T AT E421845 T1 ATE421845 T1 AT E421845T1
Authority
AT
Austria
Prior art keywords
envelope
temporal envelope
envelope shaping
decorrelated signals
decorrelated
Prior art date
Application number
AT06724045T
Other languages
English (en)
Inventor
Kristofer Kjoerling
Lars Villemoes
Juergen Herre
Sascha Disch
Original Assignee
Dolby Sweden Ab
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 Dolby Sweden Ab, Fraunhofer Ges Forschung filed Critical Dolby Sweden Ab
Application granted granted Critical
Publication of ATE421845T1 publication Critical patent/ATE421845T1/de

Links

Classifications

    • 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 
    • H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
    • H04S7/30—Control circuits for electronic adaptation of the sound field
    • H04S7/307—Frequency adjustment, e.g. tone control
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G5/00—Tone control or bandwidth control in amplifiers
    • 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 
    • H04S5/005—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation  of the pseudo five- or more-channel type, e.g. virtual surround
    • 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
    • G10L19/02—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
    • G10L19/04—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
    • 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)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Stereophonic System (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Image Analysis (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • Holo Graphy (AREA)
AT06724045T 2005-04-15 2006-04-05 Zeitliche hüllkurvenformgebung von entkorrelierten signalen ATE421845T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US67158305P 2005-04-15 2005-04-15

Publications (1)

Publication Number Publication Date
ATE421845T1 true ATE421845T1 (de) 2009-02-15

Family

ID=36636920

Family Applications (1)

Application Number Title Priority Date Filing Date
AT06724045T ATE421845T1 (de) 2005-04-15 2006-04-05 Zeitliche hüllkurvenformgebung von entkorrelierten signalen

Country Status (11)

Country Link
US (1) US7983424B2 (de)
EP (1) EP1829424B1 (de)
JP (1) JP4804532B2 (de)
KR (1) KR100933548B1 (de)
CN (2) CN102163429B (de)
AT (1) ATE421845T1 (de)
DE (1) DE602006004959D1 (de)
HK (2) HK1118168A1 (de)
MY (1) MY144377A (de)
TW (1) TWI338446B (de)
WO (1) WO2006108543A1 (de)

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Also Published As

Publication number Publication date
US20060239473A1 (en) 2006-10-26
EP1829424B1 (de) 2009-01-21
CN102163429B (zh) 2013-04-10
DE602006004959D1 (de) 2009-03-12
WO2006108543A1 (en) 2006-10-19
CN101138274A (zh) 2008-03-05
JP4804532B2 (ja) 2011-11-02
JP2008536183A (ja) 2008-09-04
EP1829424A1 (de) 2007-09-05
TWI338446B (en) 2011-03-01
KR20070102738A (ko) 2007-10-19
HK1118168A1 (en) 2009-01-30
MY144377A (en) 2011-09-15
US7983424B2 (en) 2011-07-19
WO2006108543A9 (en) 2007-09-13
HK1160980A1 (en) 2012-08-17
CN101138274B (zh) 2011-07-06
CN102163429A (zh) 2011-08-24
KR100933548B1 (ko) 2009-12-23
TW200705804A (en) 2007-02-01

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