ATE332619T1 - Mikrofon-lautsprecher-vorrichtung - Google Patents

Mikrofon-lautsprecher-vorrichtung

Info

Publication number
ATE332619T1
ATE332619T1 AT03004360T AT03004360T ATE332619T1 AT E332619 T1 ATE332619 T1 AT E332619T1 AT 03004360 T AT03004360 T AT 03004360T AT 03004360 T AT03004360 T AT 03004360T AT E332619 T1 ATE332619 T1 AT E332619T1
Authority
AT
Austria
Prior art keywords
power value
component signals
coherent component
adjusted
coherent
Prior art date
Application number
AT03004360T
Other languages
English (en)
Inventor
Takefumi Ura
Original Assignee
Matsushita Electric Industrial Co Ltd
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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Application granted granted Critical
Publication of ATE332619T1 publication Critical patent/ATE332619T1/de

Links

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

Landscapes

  • 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)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Golf Clubs (AREA)
AT03004360T 2002-03-05 2003-03-03 Mikrofon-lautsprecher-vorrichtung ATE332619T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2002058891A JP3973929B2 (ja) 2002-03-05 2002-03-05 ハウリング検出装置

Publications (1)

Publication Number Publication Date
ATE332619T1 true ATE332619T1 (de) 2006-07-15

Family

ID=27751078

Family Applications (1)

Application Number Title Priority Date Filing Date
AT03004360T ATE332619T1 (de) 2002-03-05 2003-03-03 Mikrofon-lautsprecher-vorrichtung

Country Status (7)

Country Link
US (1) US6674863B2 (de)
EP (1) EP1343352B1 (de)
JP (1) JP3973929B2 (de)
CN (1) CN100338969C (de)
AT (1) ATE332619T1 (de)
DE (1) DE60306562D1 (de)
DK (1) DK1343352T3 (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4287762B2 (ja) * 2004-02-20 2009-07-01 パナソニック株式会社 ハウリング検出方法及び装置、並びにこれを備えた音響装置
JP2006121188A (ja) * 2004-10-19 2006-05-11 Matsushita Electric Ind Co Ltd ハウリング抑圧装置
CN101199233B (zh) * 2005-05-18 2012-01-18 松下电器产业株式会社 颤噪控制装置和音响装置
JP4890050B2 (ja) * 2006-02-27 2012-03-07 株式会社ディーアンドエムホールディングス 音声信号増幅装置
US8081766B2 (en) * 2006-03-06 2011-12-20 Loud Technologies Inc. Creating digital signal processing (DSP) filters to improve loudspeaker transient response
WO2010087147A1 (ja) * 2009-01-30 2010-08-05 パナソニック株式会社 ハウリング抑圧装置、ハウリング抑圧方法、プログラム、及び集積回路
DK200970303A (en) * 2009-12-29 2011-06-30 Gn Resound As A method for the detection of whistling in an audio system and a hearing aid executing the method
US9396717B2 (en) * 2010-11-18 2016-07-19 HEAR IP Pty Ltd. Systems and methods for reducing unwanted sounds in signals received from an arrangement of microphones
CN102547526B (zh) * 2012-01-13 2014-12-24 广东启明科技发展有限公司 传声器工作状态的实时监测方法及系统
US9351072B2 (en) 2013-11-05 2016-05-24 Bose Corporation Multi-band harmonic discrimination for feedback suppression
CN105095232B (zh) * 2014-04-29 2019-06-25 联想(北京)有限公司 一种信息处理方法及电子设备
US9549621B2 (en) * 2015-06-15 2017-01-24 Roseline Michael Neveling Crib mountable noise suppressor
US10257620B2 (en) * 2016-07-01 2019-04-09 Sonova Ag Method for detecting tonal signals, a method for operating a hearing device based on detecting tonal signals and a hearing device with a feedback canceller using a tonal signal detector
CN108093356B (zh) * 2016-11-23 2020-10-23 杭州萤石网络有限公司 一种啸叫检测方法及装置
WO2019044176A1 (ja) * 2017-08-28 2019-03-07 ソニー株式会社 音声処理装置及び音声処理方法、並びに情報処理装置

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3235925B2 (ja) * 1993-11-19 2001-12-04 松下電器産業株式会社 ハウリング抑制装置
JP2760373B2 (ja) * 1995-03-03 1998-05-28 日本電気株式会社 雑音消去装置
US5717772A (en) * 1995-08-07 1998-02-10 Motorola, Inc. Method and apparatus for suppressing acoustic feedback in an audio system
US5999631A (en) 1996-07-26 1999-12-07 Shure Brothers Incorporated Acoustic feedback elimination using adaptive notch filter algorithm
JP3152160B2 (ja) * 1996-11-13 2001-04-03 ヤマハ株式会社 ハウリング検出防止回路及びそれを用いた拡声装置
JP3240947B2 (ja) * 1997-01-28 2001-12-25 ヤマハ株式会社 ハウリング検出器及びハウリングキャンセル装置
JPH11127496A (ja) * 1997-10-20 1999-05-11 Sony Corp ハウリング除去装置
DE19802568C2 (de) * 1998-01-23 2003-05-28 Cochlear Ltd Hörhilfe mit Kompensation von akustischer und/oder mechanischer Rückkopplung
JP4568439B2 (ja) * 2001-01-22 2010-10-27 パナソニック株式会社 エコー抑圧装置

Also Published As

Publication number Publication date
JP3973929B2 (ja) 2007-09-12
EP1343352B1 (de) 2006-07-05
DE60306562D1 (de) 2006-08-17
CN100338969C (zh) 2007-09-19
CN1489417A (zh) 2004-04-14
EP1343352A1 (de) 2003-09-10
DK1343352T3 (da) 2006-10-30
JP2003259480A (ja) 2003-09-12
US20030169892A1 (en) 2003-09-11
US6674863B2 (en) 2004-01-06

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