JP5199915B2 - 音場補正方法及び音場補正装置 - Google Patents

音場補正方法及び音場補正装置 Download PDF

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Publication number
JP5199915B2
JP5199915B2 JP2009035814A JP2009035814A JP5199915B2 JP 5199915 B2 JP5199915 B2 JP 5199915B2 JP 2009035814 A JP2009035814 A JP 2009035814A JP 2009035814 A JP2009035814 A JP 2009035814A JP 5199915 B2 JP5199915 B2 JP 5199915B2
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JP
Japan
Prior art keywords
sound field
field correction
filter
frequency
waveform
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.)
Expired - Fee Related
Application number
JP2009035814A
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English (en)
Japanese (ja)
Other versions
JP2010193206A (ja
JP2010193206A5 (enExample
Inventor
恭則 大洞
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.)
Canon Inc
Original Assignee
Canon 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 Canon Inc filed Critical Canon Inc
Priority to JP2009035814A priority Critical patent/JP5199915B2/ja
Priority to US12/703,715 priority patent/US20100208910A1/en
Priority to EP10153887.4A priority patent/EP2222093A3/en
Publication of JP2010193206A publication Critical patent/JP2010193206A/ja
Publication of JP2010193206A5 publication Critical patent/JP2010193206A5/ja
Application granted granted Critical
Publication of JP5199915B2 publication Critical patent/JP5199915B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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    • 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
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2420/00—Techniques used stereophonic systems covered by H04S but not provided for in its groups
    • H04S2420/07—Synergistic effects of band splitting and sub-band processing
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Amplifiers (AREA)
  • Control Of Amplification And Gain Control (AREA)
JP2009035814A 2009-02-18 2009-02-18 音場補正方法及び音場補正装置 Expired - Fee Related JP5199915B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2009035814A JP5199915B2 (ja) 2009-02-18 2009-02-18 音場補正方法及び音場補正装置
US12/703,715 US20100208910A1 (en) 2009-02-18 2010-02-10 Acoustic field correction method and an acoustic field correction device
EP10153887.4A EP2222093A3 (en) 2009-02-18 2010-02-17 An acoustic field correction method and an acoustic field correction device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2009035814A JP5199915B2 (ja) 2009-02-18 2009-02-18 音場補正方法及び音場補正装置

Publications (3)

Publication Number Publication Date
JP2010193206A JP2010193206A (ja) 2010-09-02
JP2010193206A5 JP2010193206A5 (enExample) 2012-03-29
JP5199915B2 true JP5199915B2 (ja) 2013-05-15

Family

ID=42173419

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2009035814A Expired - Fee Related JP5199915B2 (ja) 2009-02-18 2009-02-18 音場補正方法及び音場補正装置

Country Status (3)

Country Link
US (1) US20100208910A1 (enExample)
EP (1) EP2222093A3 (enExample)
JP (1) JP5199915B2 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12484678B2 (en) 2021-06-16 2025-12-02 Sharkninja Operating Llc Smart hair dryer accessory detection

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4686622B2 (ja) * 2009-06-30 2011-05-25 株式会社東芝 音響補正装置、及び音響補正方法
DE102011082310A1 (de) * 2011-09-07 2013-03-07 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung, Verfahren und elektroakustisches System zur Nachhallzeitverlängerung

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2713402B2 (ja) * 1987-03-23 1998-02-16 松下電器産業株式会社 音場補正装置
JPH0583786A (ja) 1991-09-20 1993-04-02 Matsushita Electric Ind Co Ltd 反射音抽出方法及び音場補正方法
JPH05160656A (ja) * 1991-12-09 1993-06-25 Sony Magnescale Inc 自動利得制御回路
US6760451B1 (en) * 1993-08-03 2004-07-06 Peter Graham Craven Compensating filters
JPH11284462A (ja) * 1998-03-31 1999-10-15 Sony Corp オーディオ信号処理装置および処理方法
JP2000349576A (ja) * 1999-06-09 2000-12-15 Nagano Japan Radio Co 受信装置
JP4422116B2 (ja) * 2000-06-26 2010-02-24 株式会社日立国際電気 Ａｇｃ制御方法及びａｇｃ回路
US20040002781A1 (en) * 2002-06-28 2004-01-01 Johnson Keith O. Methods and apparatuses for adjusting sonic balace in audio reproduction systems
JP4283645B2 (ja) * 2003-11-19 2009-06-24 パイオニア株式会社 信号遅延時間測定装置及びそのためのコンピュータプログラム
JP2007158589A (ja) * 2005-12-02 2007-06-21 D & M Holdings Inc 音場補正方法、音場補正装置及びオーディオ装置
US8194874B2 (en) * 2007-05-22 2012-06-05 Polk Audio, Inc. In-room acoustic magnitude response smoothing via summation of correction signals
JP2009029405A (ja) * 2007-06-22 2009-02-12 Panasonic Corp 騒音制御装置
EP2134105B1 (en) * 2008-06-12 2015-08-26 Alpine Electronics, Inc. Audio processing device and method of performing frequency characteristic correction processing for an audio input signal

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12484678B2 (en) 2021-06-16 2025-12-02 Sharkninja Operating Llc Smart hair dryer accessory detection

Also Published As

Publication number Publication date
JP2010193206A (ja) 2010-09-02
EP2222093A3 (en) 2013-08-07
EP2222093A2 (en) 2010-08-25
US20100208910A1 (en) 2010-08-19

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