AU2001286136A1 - Method and system for elimination of acoustic feedback - Google Patents

Method and system for elimination of acoustic feedback

Info

Publication number
AU2001286136A1
AU2001286136A1 AU2001286136A AU8613601A AU2001286136A1 AU 2001286136 A1 AU2001286136 A1 AU 2001286136A1 AU 2001286136 A AU2001286136 A AU 2001286136A AU 8613601 A AU8613601 A AU 8613601A AU 2001286136 A1 AU2001286136 A1 AU 2001286136A1
Authority
AU
Australia
Prior art keywords
elimination
acoustic feedback
acoustic
feedback
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.)
Abandoned
Application number
AU2001286136A
Inventor
Paul Robert Williams
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.)
Harman International Industries Ltd
Original Assignee
Harman International Industries 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 Harman International Industries Ltd filed Critical Harman International Industries Ltd
Publication of AU2001286136A1 publication Critical patent/AU2001286136A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M9/00—Arrangements for interconnection not involving centralised switching
    • H04M9/08—Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic
    • H04M9/085—Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic using digital techniques
    • 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
AU2001286136A 2000-09-09 2001-09-08 Method and system for elimination of acoustic feedback Abandoned AU2001286136A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/658,538 US7613529B1 (en) 2000-09-09 2000-09-09 System for eliminating acoustic feedback
US09/658,538 2000-09-09
PCT/IB2001/001628 WO2002021817A2 (en) 2000-09-09 2001-09-08 Method and system for elimination of acoustic feedback

Publications (1)

Publication Number Publication Date
AU2001286136A1 true AU2001286136A1 (en) 2002-03-22

Family

ID=24641655

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001286136A Abandoned AU2001286136A1 (en) 2000-09-09 2001-09-08 Method and system for elimination of acoustic feedback

Country Status (3)

Country Link
US (3) US7613529B1 (en)
AU (1) AU2001286136A1 (en)
WO (1) WO2002021817A2 (en)

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US7912228B2 (en) 2003-07-18 2011-03-22 Volkswagen Ag Device and method for operating voice-supported systems in motor vehicles
DE502005001127D1 (en) 2004-08-10 2007-09-13 Volkswagen Ag Language support system for a motor vehicle
PL211141B1 (en) * 2005-08-03 2012-04-30 Piotr Kleczkowski Method for the sound signal mixing
US7697827B2 (en) 2005-10-17 2010-04-13 Konicek Jeffrey C User-friendlier interfaces for a camera
US20070104335A1 (en) * 2005-11-09 2007-05-10 Gpe International Limited Acoustic feedback suppression for audio amplification systems
US20080170712A1 (en) * 2007-01-16 2008-07-17 Phonic Ear Inc. Sound amplification system
US8027743B1 (en) * 2007-10-23 2011-09-27 Adobe Systems Incorporated Adaptive noise reduction
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
KR101671389B1 (en) * 2010-03-05 2016-11-01 삼성전자 주식회사 Adaptive notch filter with variable bandwidth, and method and apparatus for cancelling howling using the adaptive notch filter with variable bandwidth
WO2014062729A1 (en) * 2012-10-15 2014-04-24 Msi Dfat Llc Direct field acoustic testing in a semi-reverberant enclosure
CN105308985B (en) * 2013-06-19 2019-09-10 创新科技有限公司 A kind of acoustic feedback cancellation module, method and audio system for inhibiting undesirable sound of uttering long and high-pitched sounds
US9307320B2 (en) 2014-07-24 2016-04-05 Harman International Industries, Inc. Feedback suppression using phase enhanced frequency estimation
EP2978242B1 (en) * 2014-07-25 2018-12-26 2236008 Ontario Inc. System and method for mitigating audio feedback
US20160080863A1 (en) * 2014-09-17 2016-03-17 Harman International Industries, Inc. Feedback suppression test filter correlation
US11198337B2 (en) * 2018-03-05 2021-12-14 Harman International Industries, Incorporated Method and apparatus for a low cost, acoustic tire cavity resonance cancellation
US10856078B1 (en) 2019-05-31 2020-12-01 Bose Corporation Systems and methods for audio feedback elimination

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Also Published As

Publication number Publication date
US7613529B1 (en) 2009-11-03
US8634575B2 (en) 2014-01-21
US20100046768A1 (en) 2010-02-25
WO2002021817A3 (en) 2003-03-13
WO2002021817A2 (en) 2002-03-14
US8666527B2 (en) 2014-03-04
US20100054496A1 (en) 2010-03-04

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