DK1203509T3 - Tilbagekoblingsannullering med anvendelse af båndbreddedetektering - Google Patents

Tilbagekoblingsannullering med anvendelse af båndbreddedetektering

Info

Publication number
DK1203509T3
DK1203509T3 DK00943694T DK00943694T DK1203509T3 DK 1203509 T3 DK1203509 T3 DK 1203509T3 DK 00943694 T DK00943694 T DK 00943694T DK 00943694 T DK00943694 T DK 00943694T DK 1203509 T3 DK1203509 T3 DK 1203509T3
Authority
DK
Denmark
Prior art keywords
feedback
lms algorithm
adaptation speed
bandwidth detection
relates
Prior art date
Application number
DK00943694T
Other languages
Danish (da)
English (en)
Inventor
Jakob Nielsen
Michael Ekelid
Original Assignee
Oticon As
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 Oticon As filed Critical Oticon As
Application granted granted Critical
Publication of DK1203509T3 publication Critical patent/DK1203509T3/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

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)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Amplifiers (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
DK00943694T 1999-07-19 2000-07-07 Tilbagekoblingsannullering med anvendelse af båndbreddedetektering DK1203509T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DKPA199901043 1999-07-19
PCT/DK2000/000379 WO2001006746A2 (en) 1999-07-19 2000-07-07 Feedback cancellation using bandwidth detection

Publications (1)

Publication Number Publication Date
DK1203509T3 true DK1203509T3 (da) 2007-01-02

Family

ID=8100351

Family Applications (2)

Application Number Title Priority Date Filing Date
DK00943694T DK1203509T3 (da) 1999-07-19 2000-07-07 Tilbagekoblingsannullering med anvendelse af båndbreddedetektering
DK00943695T DK1203510T3 (da) 1999-07-19 2000-07-07 Tilbagekoblingsannullering med lavfrekvensindgang

Family Applications After (1)

Application Number Title Priority Date Filing Date
DK00943695T DK1203510T3 (da) 1999-07-19 2000-07-07 Tilbagekoblingsannullering med lavfrekvensindgang

Country Status (7)

Country Link
US (2) US7106871B1 (de)
EP (2) EP1203510B1 (de)
AT (2) ATE339865T1 (de)
AU (2) AU5806400A (de)
DE (2) DE60030736T2 (de)
DK (2) DK1203509T3 (de)
WO (2) WO2001006812A1 (de)

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DE10140523B4 (de) * 2001-08-17 2005-08-18 Dietmar Dr. Ruwisch Vorrichtung zum Feedback Cancelling bei der Ausgabe von Mikrofonsignalen durch Lautsprecher
WO2003034784A1 (en) * 2001-10-17 2003-04-24 Oticon A/S Improved hearing aid
AU2003238975A1 (en) 2002-06-28 2004-01-19 Phiteck Systems LImited Noise cancellation system and headphone therefor
DE10244184B3 (de) * 2002-09-23 2004-04-15 Siemens Audiologische Technik Gmbh Feedbackkompensation für Hörgeräte mit Systemabstandsschätzung
JP4209247B2 (ja) * 2003-05-02 2009-01-14 アルパイン株式会社 音声認識装置および方法
US7809150B2 (en) 2003-05-27 2010-10-05 Starkey Laboratories, Inc. Method and apparatus to reduce entrainment-related artifacts for hearing assistance systems
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
US7756276B2 (en) 2003-08-20 2010-07-13 Phonak Ag Audio amplification apparatus
CN1939092B (zh) 2004-02-20 2015-09-16 Gn瑞声达A/S 消除反馈的方法及助听器
EP1730992B1 (de) * 2004-03-23 2017-05-10 Oticon A/S Hörgerät mit anti-rückkopplungs-system
DE102004050304B3 (de) * 2004-10-14 2006-06-14 Siemens Audiologische Technik Gmbh Verfahren zur Reduktion von Rückkopplungen bei einem Akustiksystem und Signalverarbeitungsvorrichtung
US20060285150A1 (en) * 2005-01-31 2006-12-21 Searete Llc, A Limited Liability Corporation Of The State Of Delaware Regional proximity for shared image device(s)
EP1708544B1 (de) * 2005-03-29 2015-07-15 Oticon A/S System und Methode zum Messen von Druckausgleichseffekten in einem Hörgerät
US8553899B2 (en) 2006-03-13 2013-10-08 Starkey Laboratories, Inc. Output phase modulation entrainment containment for digital filters
US8116473B2 (en) 2006-03-13 2012-02-14 Starkey Laboratories, Inc. Output phase modulation entrainment containment for digital filters
EP2002691B9 (de) * 2006-04-01 2012-04-25 Widex A/S Hörgerät und verfahren zur signalverarbeitungssteuerung in einem hörgerät
CN101438603A (zh) 2006-04-01 2009-05-20 唯听助听器公司 助听器和助听器的抗反馈系统中自适应速率的控制方法
DE102006029194B4 (de) * 2006-06-26 2010-04-15 Siemens Audiologische Technik Gmbh Vorrichtung und Verfahren zur Schrittweitensteuerung eines adaptiven Filters
DK2080408T3 (da) 2006-10-23 2012-11-19 Starkey Lab Inc Undgåelse af medrivning med et auto-regressivt filter
EP2095681B1 (de) 2006-10-23 2016-03-23 Starkey Laboratories, Inc. Filter-entrainment-vermeidung mit einem frequenzbereichs-transformationsalgorithmus
US8452034B2 (en) 2006-10-23 2013-05-28 Starkey Laboratories, Inc. Entrainment avoidance with a gradient adaptive lattice filter
WO2008051569A2 (en) 2006-10-23 2008-05-02 Starkey Laboratories, Inc. Entrainment avoidance with pole stabilization
EP1981310B1 (de) * 2007-04-11 2017-06-14 Oticon A/S Hörgerät mit einer linearisierten Ausgangstufe
EP2015604A1 (de) 2007-07-10 2009-01-14 Oticon A/S Erzeugung eines Sondengeräuschs in einem Rückkopplungsunterdrückungssystem
DK2086250T3 (da) 2008-02-01 2020-07-06 Oticon As Lyttesystem med et forbedret feedback-undertrykkelsessystem, en fremgangsmåde og anvendelse
EP2148525B1 (de) 2008-07-24 2013-06-05 Oticon A/S Rückkopplungspfadschätzung auf Codebuchbasis
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
EP2360944B1 (de) 2010-02-01 2017-12-13 Oticon A/S Verfahren zur Unterdrückung von akustischer Rückkoppelung in einem Hörgerät und entsprechendes Hörgerät
US8942398B2 (en) 2010-04-13 2015-01-27 Starkey Laboratories, Inc. Methods and apparatus for early audio feedback cancellation for hearing assistance devices
US9654885B2 (en) 2010-04-13 2017-05-16 Starkey Laboratories, Inc. Methods and apparatus for allocating feedback cancellation resources for hearing assistance devices
US8917891B2 (en) 2010-04-13 2014-12-23 Starkey Laboratories, Inc. Methods and apparatus for allocating feedback cancellation resources for hearing assistance devices
EP2736271B1 (de) 2012-11-27 2019-06-19 Oticon A/s Verfahren zur Steuerung eines Aktualisierungsalgorithmus eines adaptiven Rückkopplungsschätzsystems und eine De-Korrelierungseinheit
US9590673B2 (en) * 2015-01-20 2017-03-07 Qualcomm Incorporated Switched, simultaneous and cascaded interference cancellation
DE102015204010B4 (de) * 2015-03-05 2016-12-15 Sivantos Pte. Ltd. Verfahren zur Unterdrückung eines Störgeräusches in einem akustischen System

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DE4330143A1 (de) 1993-09-07 1995-03-16 Philips Patentverwaltung Anordnung zur Siganlverarbeitung akustischer Eingangssignale
EP0585976A3 (en) * 1993-11-10 1994-06-01 Phonak Ag Hearing aid with cancellation of acoustic feedback
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US6876751B1 (en) * 1998-09-30 2005-04-05 House Ear Institute Band-limited adaptive feedback canceller for hearing aids
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Also Published As

Publication number Publication date
DE60028779D1 (de) 2006-07-27
ATE339865T1 (de) 2006-10-15
EP1203510A1 (de) 2002-05-08
EP1203509A2 (de) 2002-05-08
DK1203510T3 (da) 2006-09-18
EP1203510B1 (de) 2006-06-14
DE60030736T2 (de) 2007-09-06
DE60028779T2 (de) 2007-05-24
WO2001006812A8 (en) 2001-03-29
DE60030736D1 (de) 2006-10-26
AU5806300A (en) 2001-02-05
EP1203509B1 (de) 2006-09-13
WO2001006746A3 (en) 2001-08-09
AU5806400A (en) 2001-02-05
WO2001006812A1 (en) 2001-01-25
ATE330444T1 (de) 2006-07-15
US7340063B1 (en) 2008-03-04
US7106871B1 (en) 2006-09-12
WO2001006746A2 (en) 2001-01-25

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