ATE417483T1 - Schaltung und verfahren zur adaptiven geräuschunterdrückung - Google Patents

Schaltung und verfahren zur adaptiven geräuschunterdrückung

Info

Publication number
ATE417483T1
ATE417483T1 AT01810057T AT01810057T ATE417483T1 AT E417483 T1 ATE417483 T1 AT E417483T1 AT 01810057 T AT01810057 T AT 01810057T AT 01810057 T AT01810057 T AT 01810057T AT E417483 T1 ATE417483 T1 AT E417483T1
Authority
AT
Austria
Prior art keywords
sub
filters
signals
filter coefficients
microphones
Prior art date
Application number
AT01810057T
Other languages
English (en)
Inventor
Remo Leber
Original Assignee
Bernafon 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 Bernafon Ag filed Critical Bernafon Ag
Application granted granted Critical
Publication of ATE417483T1 publication Critical patent/ATE417483T1/de

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00—Electric hearing aids
    • H04R25/50—Customised settings for obtaining desired overall acoustical characteristics
    • H04R25/505—Customised settings for obtaining desired overall acoustical characteristics using digital signal processing

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)
  • Filters That Use Time-Delay Elements (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Noise Elimination (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
AT01810057T 2000-02-02 2001-01-22 Schaltung und verfahren zur adaptiven geräuschunterdrückung ATE417483T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH2042000 2000-02-02

Publications (1)

Publication Number Publication Date
ATE417483T1 true ATE417483T1 (de) 2008-12-15

Family

ID=4444028

Family Applications (1)

Application Number Title Priority Date Filing Date
AT01810057T ATE417483T1 (de) 2000-02-02 2001-01-22 Schaltung und verfahren zur adaptiven geräuschunterdrückung

Country Status (7)

Country Link
US (1) US6928171B2 (de)
EP (1) EP1154674B1 (de)
AT (1) ATE417483T1 (de)
AU (1) AU778351B2 (de)
CA (1) CA2332092C (de)
DE (1) DE50114557D1 (de)
DK (1) DK1154674T3 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6978159B2 (en) * 1996-06-19 2005-12-20 Board Of Trustees Of The University Of Illinois Binaural signal processing using multiple acoustic sensors and digital filtering
DE60125553T2 (de) * 2000-05-10 2007-10-04 The Board Of Trustees For The University Of Illinois, Urbana Verfahren zur interferenzunterdrückung
US6907017B2 (en) * 2000-05-22 2005-06-14 The Regents Of The University Of California Mobility management in wireless internet protocol networks
EP1413169A1 (de) * 2001-08-01 2004-04-28 Dashen Fan Kardioidstrahl mit akustischen einrichtungen auf der basis gewünschter null, systeme und verfahren
US7209566B2 (en) * 2001-09-25 2007-04-24 Intel Corporation Method and apparatus for determining a nonlinear response function for a loudspeaker
US7512448B2 (en) 2003-01-10 2009-03-31 Phonak Ag Electrode placement for wireless intrabody communication between components of a hearing system
US7542580B2 (en) * 2005-02-25 2009-06-02 Starkey Laboratories, Inc. Microphone placement in hearing assistance devices to provide controlled directivity
US20060211910A1 (en) * 2005-03-18 2006-09-21 Patrik Westerkull Microphone system for bone anchored bone conduction hearing aids
CN100336307C (zh) * 2005-04-28 2007-09-05 北京航空航天大学 接收机射频系统电路内部噪声的分配方法
DE102006003977A1 (de) * 2006-01-27 2007-08-09 Krauss-Maffei Wegmann Gmbh & Co. Kg Verfahren und Vorrichtung zur Übersteuerung bei einem Fahrzeug im Fahrschulbetrieb
US20110058676A1 (en) * 2009-09-07 2011-03-10 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for dereverberation of multichannel signal
EP3008924B1 (de) * 2013-06-14 2018-08-08 Widex A/S Verfahren der signalverarbeitung in einem hörgerät und hörgerätensystem

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3920004A1 (de) * 1989-06-20 1991-01-03 Philips Patentverwaltung Verfahren und anordnung zur rauschunterdrueckung eines digitalen signals
US5235646A (en) * 1990-06-15 1993-08-10 Wilde Martin D Method and apparatus for creating de-correlated audio output signals and audio recordings made thereby
US5590205A (en) * 1994-08-25 1996-12-31 Digisonix, Inc. Adaptive control system with a corrected-phase filtered error update
SE511496C2 (sv) * 1995-05-03 1999-10-11 Ulf Lindgren Förfarande vid signalseparation
JP3334500B2 (ja) * 1996-06-17 2002-10-15 ソニー株式会社 ノイズリデューサおよびビデオ信号処理装置
US5963651A (en) * 1997-01-16 1999-10-05 Digisonix, Inc. Adaptive acoustic attenuation system having distributed processing and shared state nodal architecture
CA2294262A1 (en) * 1997-06-18 1998-12-23 Clarity, L.L.C. Methods and apparatus for blind signal separation
EP0930801B1 (de) * 1998-01-14 2008-11-05 Bernafon AG Schaltung und Verfahren zur adaptiven Unterdrückung einer akustischen Rückkopplung
US6691073B1 (en) * 1998-06-18 2004-02-10 Clarity Technologies Inc. Adaptive state space signal separation, discrimination and recovery
JP2001053654A (ja) * 1999-08-16 2001-02-23 Matsushita Electric Ind Co Ltd 信号分離装置、信号分離方法及び記録媒体

Also Published As

Publication number Publication date
DK1154674T3 (da) 2009-04-06
EP1154674A2 (de) 2001-11-14
DE50114557D1 (de) 2009-01-22
AU778351B2 (en) 2004-12-02
US20010036284A1 (en) 2001-11-01
EP1154674A3 (de) 2007-03-21
EP1154674B1 (de) 2008-12-10
US6928171B2 (en) 2005-08-09
CA2332092A1 (en) 2001-08-02
AU1666901A (en) 2001-08-09
CA2332092C (en) 2008-09-30

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Legal Events

Date Code Title Description
REN Ceased due to non-payment of the annual fee