JP5239359B2 - ハウリング抑制装置 - Google Patents

ハウリング抑制装置 Download PDF

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Publication number
JP5239359B2
JP5239359B2 JP2008020276A JP2008020276A JP5239359B2 JP 5239359 B2 JP5239359 B2 JP 5239359B2 JP 2008020276 A JP2008020276 A JP 2008020276A JP 2008020276 A JP2008020276 A JP 2008020276A JP 5239359 B2 JP5239359 B2 JP 5239359B2
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JP
Japan
Prior art keywords
signal
sound
acoustic signal
howling
frequency
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
JP2008020276A
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English (en)
Japanese (ja)
Other versions
JP2009182759A5 (enExample
JP2009182759A (ja
Inventor
啓文 田中
啓 奥村
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.)
Yamaha Corp
Original Assignee
Yamaha Corp
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 Yamaha Corp filed Critical Yamaha Corp
Priority to JP2008020276A priority Critical patent/JP5239359B2/ja
Priority to DE602009000471T priority patent/DE602009000471D1/de
Priority to EP09150514A priority patent/EP2086249B1/en
Priority to US12/360,974 priority patent/US8311237B2/en
Publication of JP2009182759A publication Critical patent/JP2009182759A/ja
Publication of JP2009182759A5 publication Critical patent/JP2009182759A5/ja
Application granted granted Critical
Publication of JP5239359B2 publication Critical patent/JP5239359B2/ja
Expired - Fee Related legal-status Critical Current
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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • H04R3/02—Circuits for transducers, loudspeakers or microphones for preventing acoustic reaction, i.e. acoustic oscillatory feedback

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Circuit For Audible Band Transducer (AREA)
JP2008020276A 2008-01-31 2008-01-31 ハウリング抑制装置 Expired - Fee Related JP5239359B2 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2008020276A JP5239359B2 (ja) 2008-01-31 2008-01-31 ハウリング抑制装置
DE602009000471T DE602009000471D1 (de) 2008-01-31 2009-01-14 Vorrichtung zur Rückkopplungsunterdrückung und computerlesbares Aufzeichnungsmedium
EP09150514A EP2086249B1 (en) 2008-01-31 2009-01-14 Howling suppression apparatus and computer readable recording medium
US12/360,974 US8311237B2 (en) 2008-01-31 2009-01-28 Howling suppression apparatus and computer readable recording medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2008020276A JP5239359B2 (ja) 2008-01-31 2008-01-31 ハウリング抑制装置

Publications (3)

Publication Number Publication Date
JP2009182759A JP2009182759A (ja) 2009-08-13
JP2009182759A5 JP2009182759A5 (enExample) 2011-02-24
JP5239359B2 true JP5239359B2 (ja) 2013-07-17

Family

ID=40550192

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2008020276A Expired - Fee Related JP5239359B2 (ja) 2008-01-31 2008-01-31 ハウリング抑制装置

Country Status (4)

Country Link
US (1) US8311237B2 (enExample)
EP (1) EP2086249B1 (enExample)
JP (1) JP5239359B2 (enExample)
DE (1) DE602009000471D1 (enExample)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011090386A1 (en) * 2010-01-19 2011-07-28 Squarehead Technology As Location dependent feedback cancellation
US8891786B1 (en) 2010-05-17 2014-11-18 Marvell International Ltd. Selective notch filtering for howling suppression
CN102740214B (zh) * 2011-04-01 2014-09-10 中国科学院声学研究所 一种基于反馈信号频谱估计的啸叫抑制方法
CN106454642B (zh) * 2016-09-23 2019-01-08 佛山科学技术学院 自适应子带音频反馈抑制方法
CN117561725A (zh) * 2021-06-30 2024-02-13 松下电器（美国）知识产权公司 啸叫抑制装置、啸叫抑制方法以及啸叫抑制程序
CN114245264A (zh) * 2021-11-26 2022-03-25 深圳Tcl新技术有限公司 啸叫抑制方法、啸叫抑制装置、电子设备及存储介质

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5442715A (en) 1992-04-06 1995-08-15 Eastman Kodak Company Method and apparatus for cursive script recognition
US5442712A (en) * 1992-11-25 1995-08-15 Matsushita Electric Industrial Co., Ltd. Sound amplifying apparatus with automatic howl-suppressing function
US5937060A (en) * 1996-02-09 1999-08-10 Texas Instruments Incorporated Residual echo suppression
US7054451B2 (en) 2001-07-20 2006-05-30 Koninklijke Philips Electronics N.V. Sound reinforcement system having an echo suppressor and loudspeaker beamformer
JP4161628B2 (ja) 2002-07-19 2008-10-08 日本電気株式会社 エコー抑圧方法及び装置
JP2004165888A (ja) * 2002-11-12 2004-06-10 Oki Electric Ind Co Ltd ハウリング処理装置
JP2005109533A (ja) * 2003-09-26 2005-04-21 Yamaha Corp ハウリング抑制装置
CN1736039A (zh) * 2003-11-11 2006-02-15 三菱电机株式会社 回波抑制装置
WO2005125272A1 (ja) 2004-06-16 2005-12-29 Matsushita Electric Industrial Co., Ltd. ハウリング抑圧装置、プログラム、集積回路、およびハウリング抑圧方法
JP4186932B2 (ja) * 2005-02-07 2008-11-26 ヤマハ株式会社 ハウリング抑制装置および拡声装置
US8107616B2 (en) * 2005-10-21 2012-01-31 Koninklijke Philips Electronics N.V. Acoustic echo canceller

Also Published As

Publication number Publication date
EP2086249B1 (en) 2010-12-29
DE602009000471D1 (de) 2011-02-10
US20090196433A1 (en) 2009-08-06
EP2086249A3 (en) 2009-09-09
US8311237B2 (en) 2012-11-13
JP2009182759A (ja) 2009-08-13
EP2086249A2 (en) 2009-08-05

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