ATE543343T1 - Tonsignalverarbeitung - Google Patents

Tonsignalverarbeitung

Info

Publication number
ATE543343T1
ATE543343T1 AT07754557T AT07754557T ATE543343T1 AT E543343 T1 ATE543343 T1 AT E543343T1 AT 07754557 T AT07754557 T AT 07754557T AT 07754557 T AT07754557 T AT 07754557T AT E543343 T1 ATE543343 T1 AT E543343T1
Authority
AT
Austria
Prior art keywords
audio
signals
signal processing
sound signal
sound source
Prior art date
Application number
AT07754557T
Other languages
English (en)
Inventor
Wen Wang
Original Assignee
Srs Labs Inc
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 Srs Labs Inc filed Critical Srs Labs Inc
Application granted granted Critical
Publication of ATE543343T1 publication Critical patent/ATE543343T1/de

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R5/00—Stereophonic arrangements
    • H04R5/02—Spatial or constructional arrangements of loudspeakers
    • 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 
    • H04S5/02—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 four-channel type, e.g. in which rear channel signals are derived from two-channel stereo signals
    • 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 
    • 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
    • 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 
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
    • H04S2400/01—Multi-channel, i.e. more than two input channels, sound reproduction with two speakers wherein the multi-channel information is substantially preserved
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
    • H04S2400/05—Generation or adaptation of centre channel in multi-channel audio systems
    • 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
    • H04S2420/01—Enhancing the perception of the sound image or of the spatial distribution using head related transfer functions [HRTF's] or equivalents thereof, e.g. interaural time difference [ITD] or interaural level difference [ILD]
    • 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
    • H04S3/004—For headphones

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Physics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Analysis (AREA)
  • Algebra (AREA)
  • Stereophonic System (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
  • Electrophonic Musical Instruments (AREA)
AT07754557T 2006-04-03 2007-04-03 Tonsignalverarbeitung ATE543343T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US78861406P 2006-04-03 2006-04-03
PCT/US2007/008052 WO2007123788A2 (en) 2006-04-03 2007-04-03 Audio signal processing

Publications (1)

Publication Number Publication Date
ATE543343T1 true ATE543343T1 (de) 2012-02-15

Family

ID=38625502

Family Applications (1)

Application Number Title Priority Date Filing Date
AT07754557T ATE543343T1 (de) 2006-04-03 2007-04-03 Tonsignalverarbeitung

Country Status (7)

Country Link
US (2) US7720240B2 (de)
EP (1) EP2005787B1 (de)
JP (1) JP5265517B2 (de)
KR (1) KR101346490B1 (de)
CN (1) CN101884227B (de)
AT (1) ATE543343T1 (de)
WO (1) WO2007123788A2 (de)

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Also Published As

Publication number Publication date
US7720240B2 (en) 2010-05-18
US8831254B2 (en) 2014-09-09
KR20090007700A (ko) 2009-01-20
WO2007123788A2 (en) 2007-11-01
CN101884227A (zh) 2010-11-10
JP2009532985A (ja) 2009-09-10
EP2005787A4 (de) 2010-03-31
EP2005787B1 (de) 2012-01-25
US20070230725A1 (en) 2007-10-04
US20100226500A1 (en) 2010-09-09
KR101346490B1 (ko) 2014-01-02
JP5265517B2 (ja) 2013-08-14
EP2005787A2 (de) 2008-12-24
CN101884227B (zh) 2014-03-26
WO2007123788A3 (en) 2008-04-17

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