EP0930801A3 - Circuit et procédé pour la suppression adaptative de la réaction acoustique - Google Patents

Circuit et procédé pour la suppression adaptative de la réaction acoustique Download PDF

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Publication number
EP0930801A3
EP0930801A3 EP98811273A EP98811273A EP0930801A3 EP 0930801 A3 EP0930801 A3 EP 0930801A3 EP 98811273 A EP98811273 A EP 98811273A EP 98811273 A EP98811273 A EP 98811273A EP 0930801 A3 EP0930801 A3 EP 0930801A3
Authority
EP
European Patent Office
Prior art keywords
filter
decorrelation
cross
coefficients
adaptive
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.)
Granted
Application number
EP98811273A
Other languages
German (de)
English (en)
Other versions
EP0930801A2 (fr
EP0930801B1 (fr
Inventor
Remo Leber
Arthur Schaub
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.)
Bernafon AG
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
Publication of EP0930801A2 publication Critical patent/EP0930801A2/fr
Publication of EP0930801A3 publication Critical patent/EP0930801A3/fr
Application granted granted Critical
Publication of EP0930801B1 publication Critical patent/EP0930801B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • H04R25/45—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; 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)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
EP98811273A 1998-01-14 1998-12-30 Circuit et procédé pour la suppression adaptative de la réaction acoustique Expired - Lifetime EP0930801B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH6498 1998-01-14
CH6498 1998-01-14

Publications (3)

Publication Number Publication Date
EP0930801A2 EP0930801A2 (fr) 1999-07-21
EP0930801A3 true EP0930801A3 (fr) 2006-05-24
EP0930801B1 EP0930801B1 (fr) 2008-11-05

Family

ID=4178488

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98811273A Expired - Lifetime EP0930801B1 (fr) 1998-01-14 1998-12-30 Circuit et procédé pour la suppression adaptative de la réaction acoustique

Country Status (5)

Country Link
US (1) US6611600B1 (fr)
EP (1) EP0930801B1 (fr)
AU (1) AU745946B2 (fr)
DE (1) DE59814316D1 (fr)
DK (1) DK0930801T3 (fr)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6480610B1 (en) 1999-09-21 2002-11-12 Sonic Innovations, Inc. Subband acoustic feedback cancellation in hearing aids
ATE417483T1 (de) * 2000-02-02 2008-12-15 Bernafon Ag Schaltung und verfahren zur adaptiven geräuschunterdrückung
US6829289B1 (en) * 2000-12-05 2004-12-07 Gossett And Gunter, Inc. Application of a pseudo-randomly shuffled hadamard function in a wireless CDMA system
US8374218B2 (en) 2000-12-05 2013-02-12 Google Inc. Combining signals with a shuffled-hadamard function
US7545849B1 (en) 2003-03-28 2009-06-09 Google Inc. Signal spectrum spreading and combining system and method
US8385470B2 (en) * 2000-12-05 2013-02-26 Google Inc. Coding a signal with a shuffled-Hadamard function
US6982945B1 (en) 2001-01-26 2006-01-03 Google, Inc. Baseband direct sequence spread spectrum transceiver
US7453921B1 (en) * 2001-12-11 2008-11-18 Google Inc. LPC filter for removing periodic and quasi-periodic interference from spread spectrum signals
US7352833B2 (en) * 2002-11-18 2008-04-01 Google Inc. Method and system for temporal autocorrelation filtering
US7627129B2 (en) 2002-11-21 2009-12-01 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatus and method for suppressing feedback
DE10254407B4 (de) * 2002-11-21 2006-01-26 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zum Unterdrücken einer Rückkopplung
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
AU2004201374B2 (en) 2004-04-01 2010-12-23 Phonak Ag Audio amplification apparatus
US20050147258A1 (en) * 2003-12-24 2005-07-07 Ville Myllyla Method for adjusting adaptation control of adaptive interference canceller
WO2005065012A2 (fr) * 2003-12-24 2005-07-21 Nokia Corporation Procede de formation de faisceau efficace mettant en application un filtre de separation de bruit complementaire
DE602004028502D1 (de) * 2004-12-22 2010-09-16 Televic Nv Verfahren und Anordnung für das Schätzen einer Raumimpulsantwort
JP2006197075A (ja) * 2005-01-12 2006-07-27 Yamaha Corp マイクロフォンおよび拡声装置
JP4215015B2 (ja) * 2005-03-18 2009-01-28 ヤマハ株式会社 ハウリングキャンセラ及びこれを備えた拡声装置
US20070104335A1 (en) * 2005-11-09 2007-05-10 Gpe International Limited Acoustic feedback suppression for audio amplification systems
EP1793645A3 (fr) 2005-11-09 2008-08-06 GPE International Limited Suppression de la rétroaction acoustique pour les systèmes de amplification audio
US8767972B2 (en) * 2006-08-16 2014-07-01 Apherma, Llc Auto-fit hearing aid and fitting process therefor
US8265313B2 (en) * 2007-05-22 2012-09-11 Phonak Ag Method for feedback cancelling in a hearing device and a hearing device
DK2071873T3 (en) * 2007-12-11 2017-08-28 Bernafon Ag A hearing aid system comprising a custom filter and a measurement method
DE102010009459B4 (de) * 2010-02-26 2012-01-19 Siemens Medical Instruments Pte. Ltd. Hörvorrichtung mit parallel betriebenen Rückkopplungsreduktionsfiltern und Verfahren
WO2015044915A1 (fr) 2013-09-26 2015-04-02 Universidade Do Porto Annulation de réaction acoustique sur la base d'une analyse cepstrale
US9380387B2 (en) 2014-08-01 2016-06-28 Klipsch Group, Inc. Phase independent surround speaker
US10751524B2 (en) * 2017-06-15 2020-08-25 Cochlear Limited Interference suppression in tissue-stimulating prostheses

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1520148A (en) * 1975-10-09 1978-08-02 Standard Telephones Cables Ltd Adaptive lattice filter
JPH02278926A (ja) * 1989-04-19 1990-11-15 Nec Corp Ｆｉｒ・ラティス混合形エコーキャンセラ
WO1993020668A1 (fr) * 1992-03-31 1993-10-14 Gn Danavox A/S Prothese auditive a compensation de la reaction acoustique
EP0585976A2 (fr) * 1993-11-10 1994-03-09 Phonak Ag Prothèse auditive avec suppression du couplage acoustique

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
DK169958B1 (da) 1992-10-20 1995-04-10 Gn Danavox As Høreapparat med kompensation for akustisk tilbagekobling
US5991418A (en) * 1996-12-17 1999-11-23 Texas Instruments Incorporated Off-line path modeling circuitry and method for off-line feedback path modeling and off-line secondary path modeling

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1520148A (en) * 1975-10-09 1978-08-02 Standard Telephones Cables Ltd Adaptive lattice filter
JPH02278926A (ja) * 1989-04-19 1990-11-15 Nec Corp Ｆｉｒ・ラティス混合形エコーキャンセラ
WO1993020668A1 (fr) * 1992-03-31 1993-10-14 Gn Danavox A/S Prothese auditive a compensation de la reaction acoustique
EP0585976A2 (fr) * 1993-11-10 1994-03-09 Phonak Ag Prothèse auditive avec suppression du couplage acoustique

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
MBOUP M ET AL: "Coupled adaptive prediction and system identification: a statistical model and transient analysis", DIGITAL SIGNAL PROCESSING 2, ESTIMATION, VLSI. SAN FRANCISCO, MAR. 23, vol. VOL. 5 CONF. 17, 23 March 1992 (1992-03-23), pages IV1 - IV4, XP010059154, ISBN: 0-7803-0532-9 *
PATENT ABSTRACTS OF JAPAN vol. 015, no. 046 (E - 1029) 4 February 1991 (1991-02-04) *

Also Published As

Publication number Publication date
EP0930801A2 (fr) 1999-07-21
DE59814316D1 (de) 2008-12-18
EP0930801B1 (fr) 2008-11-05
DK0930801T3 (da) 2009-02-23
AU9826598A (en) 1999-08-05
AU745946B2 (en) 2002-04-11
US6611600B1 (en) 2003-08-26

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