EP1469702A3 - Rückkopplungsunterdrückung - Google Patents

Rückkopplungsunterdrückung Download PDF

Info

Publication number
EP1469702A3
EP1469702A3 EP04006073A EP04006073A EP1469702A3 EP 1469702 A3 EP1469702 A3 EP 1469702A3 EP 04006073 A EP04006073 A EP 04006073A EP 04006073 A EP04006073 A EP 04006073A EP 1469702 A3 EP1469702 A3 EP 1469702A3
Authority
EP
European Patent Office
Prior art keywords
feedback
feedback suppression
suppression
path
beamformer
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
EP04006073A
Other languages
English (en)
French (fr)
Other versions
EP1469702A2 (de
EP1469702B1 (de
Inventor
Hans-Ueli Roeck
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.)
Sonova Holding AG
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
Priority to DK04006073.3T priority Critical patent/DK1469702T3/en
Priority to EP04006073.3A priority patent/EP1469702B1/de
Publication of EP1469702A2 publication Critical patent/EP1469702A2/de
Publication of EP1469702A3 publication Critical patent/EP1469702A3/de
Application granted granted Critical
Publication of EP1469702B1 publication Critical patent/EP1469702B1/de
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; 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)
EP04006073.3A 2004-03-15 2004-03-15 Rückkopplungsunterdrückung Expired - Lifetime EP1469702B1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DK04006073.3T DK1469702T3 (en) 2004-03-15 2004-03-15 Feedback suppression
EP04006073.3A EP1469702B1 (de) 2004-03-15 2004-03-15 Rückkopplungsunterdrückung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP04006073.3A EP1469702B1 (de) 2004-03-15 2004-03-15 Rückkopplungsunterdrückung

Publications (3)

Publication Number Publication Date
EP1469702A2 EP1469702A2 (de) 2004-10-20
EP1469702A3 true EP1469702A3 (de) 2004-11-17
EP1469702B1 EP1469702B1 (de) 2016-11-23

Family

ID=32893043

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04006073.3A Expired - Lifetime EP1469702B1 (de) 2004-03-15 2004-03-15 Rückkopplungsunterdrückung

Country Status (2)

Country Link
EP (1) EP1469702B1 (de)
DK (1) DK1469702T3 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2624373C (en) * 2005-10-11 2012-05-08 Widex A/S A hearing aid and a method of processing input signals in a hearing aid
DE102008049086B4 (de) * 2008-09-26 2011-12-15 Siemens Medical Instruments Pte. Ltd. Hörhilfegerät mit einem Richtmikrofonsystem sowie Verfahren zum Betrieb eines derartigen Hörhilfegerätes
DE102009060094B4 (de) 2009-12-22 2013-03-14 Siemens Medical Instruments Pte. Ltd. Verfahren und Hörgerät zur Rückkopplungserkennung und -unterdrückung mit einem Richtmikrofon
EP2439958B1 (de) 2010-10-06 2013-06-05 Oticon A/S Verfahren zur Bestimmung von Parametern in einem adaptiven Audio-Verarbeitungsalgorithmus und Audio-Verarbeitungssystem
EP2656632A2 (de) * 2010-12-20 2013-10-30 Phonak AG Verfahren und system zur stimmenverstärkung in einem raum
CN103797816B (zh) * 2011-07-14 2017-02-15 索诺瓦公司 语音增强***和方法
EP3249955B1 (de) * 2016-05-23 2019-08-28 Oticon A/s Konfigurierbares hörgerät mit einer strahlformerfiltereinheit und einer verstärkereinheit
EP3787316A1 (de) * 2018-02-09 2021-03-03 Oticon A/s Hörgerät mit einer strahlformerfiltrierungseinheit zur verringerung der rückkopplung

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0656737A1 (de) * 1993-11-10 1995-06-07 Phonak Ag Hörhilfegerät mit Unterdrückung der akustischen Rückkopplung
WO2000019605A2 (en) * 1998-09-30 2000-04-06 House Ear Institute Band-limited adaptive feedback canceller for hearing aids
WO2000033634A2 (de) * 2000-03-31 2000-06-15 Phonak Ag Verfahren zur vorgabe der übertragungscharakteristik einer mikrophonanordnung und mikrophonanordnung
EP1080606A1 (de) * 1998-05-19 2001-03-07 Audiologic Hearing Systems, L.P. Rückkoppelungsunterdrückungsverbesserungen

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0656737A1 (de) * 1993-11-10 1995-06-07 Phonak Ag Hörhilfegerät mit Unterdrückung der akustischen Rückkopplung
EP1080606A1 (de) * 1998-05-19 2001-03-07 Audiologic Hearing Systems, L.P. Rückkoppelungsunterdrückungsverbesserungen
WO2000019605A2 (en) * 1998-09-30 2000-04-06 House Ear Institute Band-limited adaptive feedback canceller for hearing aids
WO2000033634A2 (de) * 2000-03-31 2000-06-15 Phonak Ag Verfahren zur vorgabe der übertragungscharakteristik einer mikrophonanordnung und mikrophonanordnung

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
HERBORDT W ET AL: "Computationally Efficient Frequency-Domain Combination of Acoustic Echo Cancellation and Robust Adaptive Beamforming", PROCEEDINGS EUROSPEECH, vol. 2, September 2001 (2001-09-01), AALBORG, DANMARK, pages 1001 - 1004, XP007004503 *
HOSHUYAMA O ET AL: "A ROBUST ADAPTIVE BEAMFORMER FOR MICROPHONE ARRAYS WITH A BLOCKING MATRIX USING CONSTRAINED ADAPTIVE FILTERS", IEEE TRANSACTIONS ON SIGNAL PROCESSING, IEEE, INC. NEW YORK, US, vol. 47, no. 10, October 1999 (1999-10-01), pages 2677 - 2684, XP000947154, ISSN: 1053-587X *
HSIANG-FENG CHI, SHAWN X. GAO, SIGFRID D. SOLI, ABEER ALWAN: "Band-limited feedback cancellation with a modified filtered-X LMS algorithm for hearing aids", SPEECH COMMUNICATION, vol. 39, no. 1-2, January 2003 (2003-01-01), ELSEVIER SCIENCE, pages 147 - 161, XP002295470 *
MAXWELL J A ET AL: "REDUCING ACOUSTIC FEEDBACK IN HEARING AIDS", IEEE TRANSACTIONS ON SPEECH AND AUDIO PROCESSING, IEEE INC. NEW YORK, US, vol. 3, no. 4, 1 July 1995 (1995-07-01), pages 304 - 313, XP000633074, ISSN: 1063-6676 *

Also Published As

Publication number Publication date
EP1469702A2 (de) 2004-10-20
EP1469702B1 (de) 2016-11-23
DK1469702T3 (en) 2017-02-13

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