EP1473967A3 - Procédé de suppression d'au moins un signal de bruit acoustique et dispositif de mise en oeuvre d'un tel procédé - Google Patents

Procédé de suppression d'au moins un signal de bruit acoustique et dispositif de mise en oeuvre d'un tel procédé Download PDF

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Publication number
EP1473967A3
EP1473967A3 EP04005338A EP04005338A EP1473967A3 EP 1473967 A3 EP1473967 A3 EP 1473967A3 EP 04005338 A EP04005338 A EP 04005338A EP 04005338 A EP04005338 A EP 04005338A EP 1473967 A3 EP1473967 A3 EP 1473967A3
Authority
EP
European Patent Office
Prior art keywords
directional microphone
suppressing
carrying
noise signal
interference signal
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
EP04005338A
Other languages
German (de)
English (en)
Other versions
EP1473967A2 (fr
EP1473967B1 (fr
Inventor
Eghart Fischer
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.)
Sivantos GmbH
Original Assignee
Siemens Audioligische Technik GmbH
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 Audioligische Technik GmbH filed Critical Siemens Audioligische Technik GmbH
Publication of EP1473967A2 publication Critical patent/EP1473967A2/fr
Publication of EP1473967A3 publication Critical patent/EP1473967A3/fr
Application granted granted Critical
Publication of EP1473967B1 publication Critical patent/EP1473967B1/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; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R29/00—Monitoring arrangements; Testing arrangements
    • H04R29/004—Monitoring arrangements; Testing arrangements for microphones
    • H04R29/005—Microphone arrays
    • H04R29/006—Microphone matching
    • 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
    • H04R3/005—Circuits for transducers, loudspeakers or microphones for combining the signals of two or more microphones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2430/00—Signal processing covered by H04R, not provided for in its groups
    • H04R2430/03—Synergistic effects of band splitting and sub-band processing
    • 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
    • H04R25/40—Arrangements for obtaining a desired directivity characteristic
    • H04R25/407—Circuits for combining signals of a plurality of transducers

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Circuit For Audible Band Transducer (AREA)
EP04005338A 2003-03-25 2004-03-05 Procédé de suppression d'au moins un signal de bruit acoustique et dispositif de mise en oeuvre d'un tel procédé Expired - Lifetime EP1473967B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10313330A DE10313330B4 (de) 2003-03-25 2003-03-25 Verfahren zur Unterdrückung mindestens eines akustischen Störsignals und Vorrichtung zur Durchführung des Verfahrens
DE10313330 2003-03-25

Publications (3)

Publication Number Publication Date
EP1473967A2 EP1473967A2 (fr) 2004-11-03
EP1473967A3 true EP1473967A3 (fr) 2011-06-08
EP1473967B1 EP1473967B1 (fr) 2012-01-18

Family

ID=32980690

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04005338A Expired - Lifetime EP1473967B1 (fr) 2003-03-25 2004-03-05 Procédé de suppression d'au moins un signal de bruit acoustique et dispositif de mise en oeuvre d'un tel procédé

Country Status (5)

Country Link
US (1) US6950528B2 (fr)
EP (1) EP1473967B1 (fr)
AU (1) AU2004201260B2 (fr)
DE (1) DE10313330B4 (fr)
DK (1) DK1473967T3 (fr)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK1391138T3 (da) * 2001-05-23 2006-02-20 Phonak Ag Fremgangsmåde til frembringelse af et elektrisk udgangssignal og akustisk/elektrisk konverteringssystem
US7280943B2 (en) * 2004-03-24 2007-10-09 National University Of Ireland Maynooth Systems and methods for separating multiple sources using directional filtering
DE102005019149B3 (de) 2005-04-25 2006-08-31 Siemens Audiologische Technik Gmbh Hörhilfevorrichtung mit Kompensation von akustischen und elektromagnetischen Rückkopplungssignalen
DE102005034646B3 (de) * 2005-07-25 2007-02-01 Siemens Audiologische Technik Gmbh Hörvorrichtung und Verfahren zur Reduktion von Rückkopplungen
US7415372B2 (en) * 2005-08-26 2008-08-19 Step Communications Corporation Method and apparatus for improving noise discrimination in multiple sensor pairs
US7436188B2 (en) * 2005-08-26 2008-10-14 Step Communications Corporation System and method for improving time domain processed sensor signals
US20070047742A1 (en) * 2005-08-26 2007-03-01 Step Communications Corporation, A Nevada Corporation Method and system for enhancing regional sensitivity noise discrimination
US7619563B2 (en) * 2005-08-26 2009-11-17 Step Communications Corporation Beam former using phase difference enhancement
US7472041B2 (en) * 2005-08-26 2008-12-30 Step Communications Corporation Method and apparatus for accommodating device and/or signal mismatch in a sensor array
US20070050441A1 (en) * 2005-08-26 2007-03-01 Step Communications Corporation,A Nevada Corporati Method and apparatus for improving noise discrimination using attenuation factor
US20070047743A1 (en) * 2005-08-26 2007-03-01 Step Communications Corporation, A Nevada Corporation Method and apparatus for improving noise discrimination using enhanced phase difference value
CA2650612C (fr) * 2006-05-12 2012-08-07 Nokia Corporation Interface utilisateur adaptative
JP4931198B2 (ja) * 2006-09-27 2012-05-16 キヤノン株式会社 撮像装置及び撮像装置の制御方法
TW200904222A (en) * 2007-02-26 2009-01-16 Yamaha Corp Sensitive silicon microphone with wide dynamic range
JP2008262021A (ja) * 2007-04-12 2008-10-30 Hiromi Murakami 電気楽器における位相切替装置
US20080259731A1 (en) * 2007-04-17 2008-10-23 Happonen Aki P Methods and apparatuses for user controlled beamforming
US8175293B2 (en) * 2009-04-16 2012-05-08 Nokia Corporation Apparatus, methods and computer programs for converting sound waves to electrical signals
DE102010011729A1 (de) * 2010-03-17 2011-09-22 Siemens Medical Instruments Pte. Ltd. Hörvorrichtung und Verfahren zum Einstellen derselben für einen rückkopplungsfreien Betrieb
JP5872163B2 (ja) 2011-01-07 2016-03-01 オムロン株式会社 音響トランスデューサ、および該音響トランスデューサを利用したマイクロフォン
US9380380B2 (en) 2011-01-07 2016-06-28 Stmicroelectronics S.R.L. Acoustic transducer and interface circuit
US9232310B2 (en) * 2012-10-15 2016-01-05 Nokia Technologies Oy Methods, apparatuses and computer program products for facilitating directional audio capture with multiple microphones
DE102016225207A1 (de) * 2016-12-15 2018-06-21 Sivantos Pte. Ltd. Verfahren zum Betrieb eines Hörgerätes

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000019770A1 (fr) * 1998-09-29 2000-04-06 Siemens Audiologische Technik Gmbh Prothese auditive et procede de traitement de signaux de microphone dans une prothese auditive
WO2002028140A2 (fr) * 2000-09-29 2002-04-04 Knowles Electronics, Llc Jeu de microphones a orientation directionnelle de second ordre

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US4536887A (en) * 1982-10-18 1985-08-20 Nippon Telegraph & Telephone Public Corporation Microphone-array apparatus and method for extracting desired signal
US4696043A (en) * 1984-08-24 1987-09-22 Victor Company Of Japan, Ltd. Microphone apparatus having a variable directivity pattern
JPS6223300A (ja) * 1985-07-23 1987-01-31 Victor Co Of Japan Ltd 指向性マイクロホン装置
JPH05316587A (ja) * 1992-05-08 1993-11-26 Sony Corp マイクロホン装置
US5473701A (en) * 1993-11-05 1995-12-05 At&T Corp. Adaptive microphone array
CA2157418C (fr) * 1994-09-01 1999-07-13 Osamu Hoshuyama Conformateur de faisceau utilisant des filtres adaptatifs a coefficients de contrainte pour detecter les signaux brouilleurs
US5825898A (en) * 1996-06-27 1998-10-20 Lamar Signal Processing Ltd. System and method for adaptive interference cancelling
KR100198289B1 (ko) * 1996-12-27 1999-06-15 구자홍 마이크 시스템의 지향성 제어장치와 제어방법
US6041127A (en) * 1997-04-03 2000-03-21 Lucent Technologies Inc. Steerable and variable first-order differential microphone array
US6766029B1 (en) * 1997-07-16 2004-07-20 Phonak Ag Method for electronically selecting the dependency of an output signal from the spatial angle of acoustic signal impingement and hearing aid apparatus
EP0820210A3 (fr) * 1997-08-20 1998-04-01 Phonak Ag Procédé électronique pour la formation de faisceaux de signaux acoustiques et dispositif détecteur acoustique
US6049607A (en) * 1998-09-18 2000-04-11 Lamar Signal Processing Interference canceling method and apparatus
DE19927278C1 (de) 1999-06-15 2000-12-14 Siemens Audiologische Technik Verfahren zum Anpassen eines Hörhilfegeräts sowie Hörhilfegerät
US6865275B1 (en) * 2000-03-31 2005-03-08 Phonak Ag Method to determine the transfer characteristic of a microphone system, and microphone system
JP4815661B2 (ja) * 2000-08-24 2011-11-16 ソニー株式会社 信号処理装置及び信号処理方法
DE60010457T2 (de) * 2000-09-02 2006-03-02 Nokia Corp. Vorrichtung und Verfahren zur Verarbeitung eines Signales emittiert von einer Zielsignalquelle in einer geräuschvollen Umgebung
US7142677B2 (en) * 2001-07-17 2006-11-28 Clarity Technologies, Inc. Directional sound acquisition
US7181026B2 (en) * 2001-08-13 2007-02-20 Ming Zhang Post-processing scheme for adaptive directional microphone system with noise/interference suppression

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000019770A1 (fr) * 1998-09-29 2000-04-06 Siemens Audiologische Technik Gmbh Prothese auditive et procede de traitement de signaux de microphone dans une prothese auditive
WO2002028140A2 (fr) * 2000-09-29 2002-04-04 Knowles Electronics, Llc Jeu de microphones a orientation directionnelle de second ordre

Also Published As

Publication number Publication date
AU2004201260A1 (en) 2004-10-14
DE10313330A1 (de) 2004-10-21
US20040240682A1 (en) 2004-12-02
DE10313330B4 (de) 2005-04-14
AU2004201260B2 (en) 2006-06-08
US6950528B2 (en) 2005-09-27
DK1473967T3 (da) 2012-05-14
EP1473967A2 (fr) 2004-11-03
EP1473967B1 (fr) 2012-01-18

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