EP2257084A3 - Mehrpunktadaptives Gleichungssteuerungsverfahren und mehrpunktadaptives Gleichungssteuerungssystem - Google Patents

Mehrpunktadaptives Gleichungssteuerungsverfahren und mehrpunktadaptives Gleichungssteuerungssystem Download PDF

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Publication number
EP2257084A3
EP2257084A3 EP10162704.0A EP10162704A EP2257084A3 EP 2257084 A3 EP2257084 A3 EP 2257084A3 EP 10162704 A EP10162704 A EP 10162704A EP 2257084 A3 EP2257084 A3 EP 2257084A3
Authority
EP
European Patent Office
Prior art keywords
adaptive equalization
equalization control
audio signal
speaker
multipoint
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
EP10162704.0A
Other languages
English (en)
French (fr)
Other versions
EP2257084B1 (de
EP2257084A2 (de
Inventor
Tomohiko Ise
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Alpine Electronics Inc
Original Assignee
Alpine Electronics 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 Alpine Electronics Inc filed Critical Alpine Electronics Inc
Publication of EP2257084A2 publication Critical patent/EP2257084A2/de
Publication of EP2257084A3 publication Critical patent/EP2257084A3/de
Application granted granted Critical
Publication of EP2257084B1 publication Critical patent/EP2257084B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • H04S7/301—Automatic calibration of stereophonic sound system, e.g. with test microphone
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R2499/00—Aspects covered by H04R or H04S not otherwise provided for in their subgroups
    • H04R2499/10—General applications
    • H04R2499/13—Acoustic transducers and sound field adaptation in vehicles

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
EP10162704.0A 2009-05-13 2010-05-12 Mehrpunktadaptives Entzerrungsverfahren und mehrpunktadaptives Entzerrersystem Active EP2257084B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2009116674A JP5430220B2 (ja) 2009-05-13 2009-05-13 多点適応等化制御方法および多点適応等化制御システム

Publications (3)

Publication Number Publication Date
EP2257084A2 EP2257084A2 (de) 2010-12-01
EP2257084A3 true EP2257084A3 (de) 2013-11-13
EP2257084B1 EP2257084B1 (de) 2018-12-05

Family

ID=42938508

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10162704.0A Active EP2257084B1 (de) 2009-05-13 2010-05-12 Mehrpunktadaptives Entzerrungsverfahren und mehrpunktadaptives Entzerrersystem

Country Status (2)

Country Link
EP (1) EP2257084B1 (de)
JP (1) JP5430220B2 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4659462A1 (de) * 2023-02-02 2025-12-10 L-Acoustics Verfahren und vorrichtung zur erzeugung eines filters für ein digitales audiosignal und verfahren und vorrichtung mit diesem filter

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050094821A1 (en) * 2002-06-21 2005-05-05 Sunil Bharitkar System and method for automatic multiple listener room acoustic correction with low filter orders
US20080285775A1 (en) * 2007-04-25 2008-11-20 Markus Christoph Sound tuning method

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2530475B2 (ja) * 1988-03-29 1996-09-04 ティーオーエー株式会社 拡声システム用周波数特性等化装置
JP3421146B2 (ja) * 1994-10-28 2003-06-30 アルパイン株式会社 音場制御方法及び装置
JPH11167383A (ja) * 1997-12-03 1999-06-22 Alpine Electron Inc 適応等化システムの接続確認方式
JP3539855B2 (ja) * 1997-12-03 2004-07-07 アルパイン株式会社 音場制御装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050094821A1 (en) * 2002-06-21 2005-05-05 Sunil Bharitkar System and method for automatic multiple listener room acoustic correction with low filter orders
US20080285775A1 (en) * 2007-04-25 2008-11-20 Markus Christoph Sound tuning method

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
LARS-JOHAN BRANNMARK ET AL: "Robust loudspeaker equalization based on position-independent excess phase modeling", ACOUSTICS, SPEECH AND SIGNAL PROCESSING, 2008. ICASSP 2008. IEEE INTERNATIONAL CONFERENCE ON, IEEE, PISCATAWAY, NJ, USA, 31 March 2008 (2008-03-31), pages 385 - 388, XP031250569, ISBN: 978-1-4244-1483-3 *

Also Published As

Publication number Publication date
JP5430220B2 (ja) 2014-02-26
EP2257084B1 (de) 2018-12-05
EP2257084A2 (de) 2010-12-01
JP2010266599A (ja) 2010-11-25

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