DK1874082T3 - Apparat og fremgangsmåde til trinlængdestyring af et adaptivt filter - Google Patents

Apparat og fremgangsmåde til trinlængdestyring af et adaptivt filter

Info

Publication number
DK1874082T3
DK1874082T3 DK07110325.3T DK07110325T DK1874082T3 DK 1874082 T3 DK1874082 T3 DK 1874082T3 DK 07110325 T DK07110325 T DK 07110325T DK 1874082 T3 DK1874082 T3 DK 1874082T3
Authority
DK
Denmark
Prior art keywords
adaptive filter
frequency bands
analyzing
step length
length control
Prior art date
Application number
DK07110325.3T
Other languages
English (en)
Inventor
Henning Dr Puder
Original Assignee
Siemens Audiologische Technik
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 Siemens Audiologische Technik filed Critical Siemens Audiologische Technik
Application granted granted Critical
Publication of DK1874082T3 publication Critical patent/DK1874082T3/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

  • Acoustics & Sound (AREA)
  • General Health & Medical Sciences (AREA)
  • Neurosurgery (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Signal Processing (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Filters That Use Time-Delay Elements (AREA)
  • Paper (AREA)
  • Networks Using Active Elements (AREA)
DK07110325.3T 2006-06-26 2007-06-15 Apparat og fremgangsmåde til trinlængdestyring af et adaptivt filter DK1874082T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102006029194A DE102006029194B4 (de) 2006-06-26 2006-06-26 Vorrichtung und Verfahren zur Schrittweitensteuerung eines adaptiven Filters

Publications (1)

Publication Number Publication Date
DK1874082T3 true DK1874082T3 (da) 2012-02-13

Family

ID=38514271

Family Applications (1)

Application Number Title Priority Date Filing Date
DK07110325.3T DK1874082T3 (da) 2006-06-26 2007-06-15 Apparat og fremgangsmåde til trinlængdestyring af et adaptivt filter

Country Status (5)

Country Link
US (1) US8611572B2 (da)
EP (1) EP1874082B1 (da)
AT (1) ATE530032T1 (da)
DE (1) DE102006029194B4 (da)
DK (1) DK1874082T3 (da)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008000843A2 (en) * 2007-09-20 2008-01-03 Phonak Ag Method for determining of feedback threshold in a hearing device
EP2189006B1 (en) * 2007-09-20 2011-06-29 Phonak AG Method for determining of feedback threshold in a hearing device
US8306240B2 (en) * 2008-10-20 2012-11-06 Bose Corporation Active noise reduction adaptive filter adaptation rate adjusting
DE102009016845B3 (de) * 2009-04-08 2010-08-05 Siemens Medical Instruments Pte. Ltd. Anordnung und Verfahren zur Erkennung von Rückkopplungen bei Hörvorrichtungen
DE102010007336B4 (de) * 2010-02-09 2013-08-08 Siemens Medical Instruments Pte. Ltd. Verfahren zum Kompensieren eines Rückkopplungssignals und Hörvorrichtung
DK2590437T3 (da) 2011-11-03 2016-01-11 Sivantos Pte Ltd Periodisk adaptering af en tilbagekoblingsundertrykningsindretning
US9357301B2 (en) 2011-11-15 2016-05-31 Sivantos Pte. Ltd. Method and device for reducing acoustic feedback
US9628923B2 (en) 2013-12-27 2017-04-18 Gn Hearing A/S Feedback suppression
CN104754485B (zh) * 2015-02-06 2018-04-06 哈尔滨工业大学深圳研究生院 一种基于nlms算法改进的数字助听器回波抵消方法
US20170311095A1 (en) * 2016-04-20 2017-10-26 Starkey Laboratories, Inc. Neural network-driven feedback cancellation

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5991417A (en) * 1995-05-02 1999-11-23 Topholm & Westerman Aps Process for controlling a programmable or program-controlled hearing aid for its in-situ fitting adjustment
DE19904538C1 (de) * 1999-02-04 2000-07-13 Siemens Audiologische Technik Verfahren zur Rückkopplungserkennung in einem Hörgerät und Hörgerät
ATE339865T1 (de) * 1999-07-19 2006-10-15 Oticon As Rückkopplungsunterdrückung unter verwendung von bandbreite-detektion
DE102004050304B3 (de) * 2004-10-14 2006-06-14 Siemens Audiologische Technik Gmbh Verfahren zur Reduktion von Rückkopplungen bei einem Akustiksystem und Signalverarbeitungsvorrichtung
US20060093173A1 (en) 2004-10-14 2006-05-04 Volkmar Hamacher Method and signal processor for reducing feedback in an audio system

Also Published As

Publication number Publication date
US20070297627A1 (en) 2007-12-27
EP1874082A3 (de) 2008-07-02
EP1874082A2 (de) 2008-01-02
US8611572B2 (en) 2013-12-17
DE102006029194B4 (de) 2010-04-15
ATE530032T1 (de) 2011-11-15
DE102006029194A1 (de) 2007-12-27
EP1874082B1 (de) 2011-10-19

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