DK1480494T3 - Tilbagekoblingsundertrykkelse ved signalbehandling af lydsignaler under anvendelse af frekvenstranslation - Google Patents

Tilbagekoblingsundertrykkelse ved signalbehandling af lydsignaler under anvendelse af frekvenstranslation

Info

Publication number
DK1480494T3
DK1480494T3 DK04019676T DK04019676T DK1480494T3 DK 1480494 T3 DK1480494 T3 DK 1480494T3 DK 04019676 T DK04019676 T DK 04019676T DK 04019676 T DK04019676 T DK 04019676T DK 1480494 T3 DK1480494 T3 DK 1480494T3
Authority
DK
Denmark
Prior art keywords
signal processing
audio signals
frequency translation
feedback suppression
suppression
Prior art date
Application number
DK04019676T
Other languages
English (en)
Inventor
Hugh Mcdermott
Adam Hersbach
Andrea Simpson
Original Assignee
Phonak Ag
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 Phonak Ag filed Critical Phonak Ag
Application granted granted Critical
Publication of DK1480494T3 publication Critical patent/DK1480494T3/da

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
    • H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
    • H04R25/45—Prevention of acoustic reaction, i.e. acoustic oscillatory feedback
    • H04R25/453—Prevention of acoustic reaction, i.e. acoustic oscillatory feedback electronically
    • 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)
  • Neurosurgery (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Amplifiers (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
DK04019676T 2003-08-20 2004-08-19 Tilbagekoblingsundertrykkelse ved signalbehandling af lydsignaler under anvendelse af frekvenstranslation DK1480494T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU2003236382A AU2003236382B2 (en) 2003-08-20 2003-08-20 Feedback suppression in sound signal processing using frequency transposition

Publications (1)

Publication Number Publication Date
DK1480494T3 true DK1480494T3 (da) 2008-11-24

Family

ID=33034737

Family Applications (1)

Application Number Title Priority Date Filing Date
DK04019676T DK1480494T3 (da) 2003-08-20 2004-08-19 Tilbagekoblingsundertrykkelse ved signalbehandling af lydsignaler under anvendelse af frekvenstranslation

Country Status (5)

Country Link
US (1) US7778426B2 (da)
EP (1) EP1480494B1 (da)
AU (1) AU2003236382B2 (da)
DE (1) DE602004015365D1 (da)
DK (1) DK1480494T3 (da)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7756276B2 (en) 2003-08-20 2010-07-13 Phonak Ag Audio amplification apparatus
AU2004201374B2 (en) 2004-04-01 2010-12-23 Phonak Ag Audio amplification apparatus
AU2003236382B2 (en) 2003-08-20 2011-02-24 Phonak Ag Feedback suppression in sound signal processing using frequency transposition
US20070104335A1 (en) * 2005-11-09 2007-05-10 Gpe International Limited Acoustic feedback suppression for audio amplification systems
AU2005232314B2 (en) 2005-11-11 2010-08-19 Phonak Ag Feedback compensation in a sound processing device
DE102006020832B4 (de) * 2006-05-04 2016-10-27 Sivantos Gmbh Verfahren zum Unterdrücken von Rückkopplungen bei Hörvorrichtungen
EP2028877B1 (en) 2007-08-24 2012-02-22 Oticon A/S Hearing aid with anti-feedback system
US10602282B2 (en) * 2008-12-23 2020-03-24 Gn Resound A/S Adaptive feedback gain correction
DK2394442T3 (da) 2009-02-06 2017-02-27 Oticon As Spektralbåndsubstitution for at undgå hylen og suboscillation
KR101697497B1 (ko) * 2009-09-18 2017-01-18 돌비 인터네셔널 에이비 입력 신호를 전위시키기 위한 시스템 및 방법, 및 상기 방법을 수행하기 위한 컴퓨터 프로그램이 기록된 컴퓨터 판독가능 저장 매체
DE102010006154B4 (de) * 2010-01-29 2012-01-19 Siemens Medical Instruments Pte. Ltd. Hörgerät mit Frequenzverschiebung und zugehöriges Verfahren
DE102010025918B4 (de) 2010-07-02 2013-06-06 Siemens Medical Instruments Pte. Ltd. Verfahren zum Betrieb eines Hörgeräts und Hörgerät mit variabler Frequenzverschiebung
CN104871436B (zh) * 2012-12-18 2018-03-16 摩托罗拉解决方案公司 用于减轻在数字无线电接收器中的反馈的方法和设备
US9020172B2 (en) * 2013-03-15 2015-04-28 Cochlear Limited Methods, systems, and devices for detecting feedback
EP2835985B1 (en) * 2013-08-08 2017-05-10 Oticon A/s Hearing aid device and method for feedback reduction
US10609475B2 (en) 2014-12-05 2020-03-31 Stages Llc Active noise control and customized audio system
US9747367B2 (en) 2014-12-05 2017-08-29 Stages Llc Communication system for establishing and providing preferred audio
US9508335B2 (en) 2014-12-05 2016-11-29 Stages Pcs, Llc Active noise control and customized audio system
US9654868B2 (en) 2014-12-05 2017-05-16 Stages Llc Multi-channel multi-domain source identification and tracking
DK3148214T3 (da) * 2015-09-15 2022-01-03 Oticon As Høreanordning der omfatter et forbedret feedback-annulleringssystem
US10085099B2 (en) * 2015-11-03 2018-09-25 Bernafon Ag Hearing aid system, a hearing aid device and a method of operating a hearing aid system
US9980075B1 (en) 2016-11-18 2018-05-22 Stages Llc Audio source spatialization relative to orientation sensor and output
US10945080B2 (en) 2016-11-18 2021-03-09 Stages Llc Audio analysis and processing system
US9980042B1 (en) 2016-11-18 2018-05-22 Stages Llc Beamformer direction of arrival and orientation analysis system
WO2019207388A1 (ru) * 2018-04-27 2019-10-31 Khalatian Arsen Georgievich Способ и устройство для акустической связи между близкорасположенными устройствами
US10856078B1 (en) 2019-05-31 2020-12-01 Bose Corporation Systems and methods for audio feedback elimination

Family Cites Families (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3229049A (en) * 1960-08-04 1966-01-11 Goldberg Hyman Hearing aid
US3894195A (en) * 1974-06-12 1975-07-08 Karl D Kryter Method of and apparatus for aiding hearing and the like
US4232192A (en) * 1978-05-01 1980-11-04 Starkey Labs, Inc. Moving-average notch filter
GB1597501A (en) * 1978-05-12 1981-09-09 Nat Res Dev Acoustic feedback suppression
US4783818A (en) * 1985-10-17 1988-11-08 Intellitech Inc. Method of and means for adaptively filtering screeching noise caused by acoustic feedback
US4731850A (en) * 1986-06-26 1988-03-15 Audimax, Inc. Programmable digital hearing aid system
US4879749A (en) * 1986-06-26 1989-11-07 Audimax, Inc. Host controller for programmable digital hearing aid system
DE3865859D1 (de) * 1987-02-17 1991-12-05 Siemens Ag Schaltungsanordnung zum erkennen von schwingungen.
DE3865319D1 (de) * 1987-02-17 1991-11-14 Siemens Ag Schaltungsanordnung zum unterdruecken von schwingungen.
US5091952A (en) * 1988-11-10 1992-02-25 Wisconsin Alumni Research Foundation Feedback suppression in digital signal processing hearing aids
US5259033A (en) * 1989-08-30 1993-11-02 Gn Danavox As Hearing aid having compensation for acoustic feedback
US5680467A (en) * 1992-03-31 1997-10-21 Gn Danavox A/S Hearing aid compensating for acoustic feedback
US5621802A (en) * 1993-04-27 1997-04-15 Regents Of The University Of Minnesota Apparatus for eliminating acoustic oscillation in a hearing aid by using phase equalization
US5412734A (en) * 1993-09-13 1995-05-02 Thomasson; Samuel L. Apparatus and method for reducing acoustic feedback
EP0585976A3 (en) 1993-11-10 1994-06-01 Phonak Ag Hearing aid with cancellation of acoustic feedback
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
KR100378449B1 (ko) 1994-04-12 2003-06-11 코닌클리케 필립스 일렉트로닉스 엔.브이. 개선된에코제거기를갖는신호증폭기시스템
US6434246B1 (en) * 1995-10-10 2002-08-13 Gn Resound As Apparatus and methods for combining audio compression and feedback cancellation in a hearing aid
US6072884A (en) * 1997-11-18 2000-06-06 Audiologic Hearing Systems Lp Feedback cancellation apparatus and methods
US6498858B2 (en) * 1997-11-18 2002-12-24 Gn Resound A/S Feedback cancellation improvements
EP0930801B1 (de) 1998-01-14 2008-11-05 Bernafon AG Schaltung und Verfahren zur adaptiven Unterdrückung einer akustischen Rückkopplung
US6347148B1 (en) * 1998-04-16 2002-02-12 Dspfactory Ltd. Method and apparatus for feedback reduction in acoustic systems, particularly in hearing aids
WO2000019605A2 (en) 1998-09-30 2000-04-06 House Ear Institute Band-limited adaptive feedback canceller for hearing aids
EP1120008B1 (en) 1998-10-07 2011-07-27 Oticon A/S Feedback management for hearing aid
US6252967B1 (en) * 1999-01-21 2001-06-26 Acoustic Technologies, Inc. Reducing acoustic feedback with digital modulation
DE19904538C1 (de) * 1999-02-04 2000-07-13 Siemens Audiologische Technik Verfahren zur Rückkopplungserkennung in einem Hörgerät und Hörgerät
US7106871B1 (en) 1999-07-19 2006-09-12 Oticon A/S Feedback cancellation using bandwidth detection
US6434247B1 (en) * 1999-07-30 2002-08-13 Gn Resound A/S Feedback cancellation apparatus and methods utilizing adaptive reference filter mechanisms
US6480610B1 (en) 1999-09-21 2002-11-12 Sonic Innovations, Inc. Subband acoustic feedback cancellation in hearing aids
DK1119218T3 (da) 2000-01-21 2018-09-10 Oticon As Elektromagnetisk tilbagekoblingsreduktion i en kommunikationsanordning
EP1191814B2 (en) * 2000-09-25 2015-07-29 Widex A/S A multiband hearing aid with multiband adaptive filters for acoustic feedback suppression.
US6831986B2 (en) * 2000-12-21 2004-12-14 Gn Resound A/S Feedback cancellation in a hearing aid with reduced sensitivity to low-frequency tonal inputs
JP4681163B2 (ja) * 2001-07-16 2011-05-11 パナソニック株式会社 ハウリング検出抑圧装置、これを備えた音響装置、及び、ハウリング検出抑圧方法
US7609841B2 (en) * 2003-08-04 2009-10-27 House Ear Institute Frequency shifter for use in adaptive feedback cancellers for hearing aids
AU2003236382B2 (en) 2003-08-20 2011-02-24 Phonak Ag Feedback suppression in sound signal processing using frequency transposition

Also Published As

Publication number Publication date
EP1480494A3 (en) 2006-04-26
EP1480494B1 (en) 2008-07-30
AU2003236382B2 (en) 2011-02-24
US20050094827A1 (en) 2005-05-05
EP1480494A2 (en) 2004-11-24
DE602004015365D1 (de) 2008-09-11
AU2003236382A1 (en) 2005-03-10
US7778426B2 (en) 2010-08-17

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