WO2011034706A3 - Volume adjustment based on listener position - Google Patents

Volume adjustment based on listener position Download PDF

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Publication number
WO2011034706A3
WO2011034706A3 PCT/US2010/046879 US2010046879W WO2011034706A3 WO 2011034706 A3 WO2011034706 A3 WO 2011034706A3 US 2010046879 W US2010046879 W US 2010046879W WO 2011034706 A3 WO2011034706 A3 WO 2011034706A3
Authority
WO
WIPO (PCT)
Prior art keywords
listener
volume adjustment
adjustment based
listener position
speaker
Prior art date
Application number
PCT/US2010/046879
Other languages
French (fr)
Other versions
WO2011034706A2 (en
Inventor
Drew Angeloff
John Clavin
Robert Walker
Original Assignee
Microsoft Corporation
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 Microsoft Corporation filed Critical Microsoft Corporation
Priority to CN2010800418972A priority Critical patent/CN102577433B/en
Priority to KR1020127007144A priority patent/KR101665156B1/en
Priority to JP2012530897A priority patent/JP5677439B2/en
Priority to EP10817648A priority patent/EP2481222A2/en
Priority to RU2012110603/08A priority patent/RU2553432C2/en
Priority to BR112012002985A priority patent/BR112012002985A2/en
Publication of WO2011034706A2 publication Critical patent/WO2011034706A2/en
Publication of WO2011034706A3 publication Critical patent/WO2011034706A3/en

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers without distortion of the input signal
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/3005—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers without distortion of the input signal
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • 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
    • H04S7/302—Electronic adaptation of stereophonic sound system to listener position or orientation
    • H04S7/303—Tracking of listener position or orientation
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/16—Sound input; Sound output
    • G06F3/165—Management of the audio stream, e.g. setting of volume, audio stream path
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2430/00—Signal processing covered by H04R, not provided for in its groups
    • H04R2430/01—Aspects of volume control, not necessarily automatic, in sound systems
    • 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
    • H04S2400/13—Aspects of volume control, not necessarily automatic, in stereophonic sound systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Stereophonic System (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Length Measuring Devices By Optical Means (AREA)

Abstract

Volume adjustment based on listener position is disclosed. A position of one or more speakers is identified, and a position of a listener is tracked. For each of the one or more speakers, a changing distance between that speaker and the listener is assessed. A volume of that speaker is automatically adjusted in real-time based on a current distance between that speaker and the listener.
PCT/US2010/046879 2009-09-21 2010-08-27 Volume adjustment based on listener position WO2011034706A2 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
CN2010800418972A CN102577433B (en) 2009-09-21 2010-08-27 Volume adjustment based on listener position
KR1020127007144A KR101665156B1 (en) 2009-09-21 2010-08-27 Volume adjustment based on listener position
JP2012530897A JP5677439B2 (en) 2009-09-21 2010-08-27 Volume adjustment based on viewer position
EP10817648A EP2481222A2 (en) 2009-09-21 2010-08-27 Volume adjustment based on listener position
RU2012110603/08A RU2553432C2 (en) 2009-09-21 2010-08-27 Volume control depending on listener location
BR112012002985A BR112012002985A2 (en) 2009-09-21 2010-08-27 volume adjustment based on listener position.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12/563,484 2009-09-21
US12/563,484 US8976986B2 (en) 2009-09-21 2009-09-21 Volume adjustment based on listener position

Publications (2)

Publication Number Publication Date
WO2011034706A2 WO2011034706A2 (en) 2011-03-24
WO2011034706A3 true WO2011034706A3 (en) 2011-07-28

Family

ID=43756639

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2010/046879 WO2011034706A2 (en) 2009-09-21 2010-08-27 Volume adjustment based on listener position

Country Status (8)

Country Link
US (1) US8976986B2 (en)
EP (1) EP2481222A2 (en)
JP (1) JP5677439B2 (en)
KR (1) KR101665156B1 (en)
CN (1) CN102577433B (en)
BR (1) BR112012002985A2 (en)
RU (1) RU2553432C2 (en)
WO (1) WO2011034706A2 (en)

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