DE69815836T2 - Interferenzunterdrückungssystem und verfahren mit doppelverarbeitung - Google Patents

Interferenzunterdrückungssystem und verfahren mit doppelverarbeitung Download PDF

Info

Publication number
DE69815836T2
DE69815836T2 DE69815836T DE69815836T DE69815836T2 DE 69815836 T2 DE69815836 T2 DE 69815836T2 DE 69815836 T DE69815836 T DE 69815836T DE 69815836 T DE69815836 T DE 69815836T DE 69815836 T2 DE69815836 T2 DE 69815836T2
Authority
DE
Germany
Prior art keywords
processing
broadband
processing method
interference cancellation
cancellation system
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.)
Expired - Fee Related
Application number
DE69815836T
Other languages
English (en)
Other versions
DE69815836D1 (de
Inventor
Joseph Marash
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.)
Andrea Electronics Corp
Original Assignee
Andrea Electronics Corp
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
Priority claimed from US08/840,159 external-priority patent/US6178248B1/en
Application filed by Andrea Electronics Corp filed Critical Andrea Electronics Corp
Publication of DE69815836D1 publication Critical patent/DE69815836D1/de
Application granted granted Critical
Publication of DE69815836T2 publication Critical patent/DE69815836T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H04R3/00—Circuits for transducers
    • H04R3/005—Circuits for transducers for combining the signals of two or more microphones
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H21/00—Adaptive networks
    • H03H21/0012—Digital adaptive filters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; 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; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00—Electric hearing aids
    • H04R25/40—Arrangements for obtaining a desired directivity characteristic
    • H04R25/407—Circuits for combining signals of a plurality of transducers

Landscapes

  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • General Health & Medical Sciences (AREA)
  • Filters That Use Time-Delay Elements (AREA)
  • Noise Elimination (AREA)
  • Hardware Redundancy (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Numerical Control (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
DE69815836T 1997-04-14 1998-04-14 Interferenzunterdrückungssystem und verfahren mit doppelverarbeitung Expired - Fee Related DE69815836T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/840,159 US6178248B1 (en) 1997-04-14 1997-04-14 Dual-processing interference cancelling system and method
US09/055,709 US6332028B1 (en) 1997-04-14 1998-04-07 Dual-processing interference cancelling system and method
PCT/IL1998/000179 WO1998047227A1 (en) 1997-04-14 1998-04-14 Dual-processing interference cancelling system and method

Publications (2)

Publication Number Publication Date
DE69815836D1 DE69815836D1 (de) 2003-07-31
DE69815836T2 true DE69815836T2 (de) 2004-01-29

Family

ID=26734553

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69815836T Expired - Fee Related DE69815836T2 (de) 1997-04-14 1998-04-14 Interferenzunterdrückungssystem und verfahren mit doppelverarbeitung

Country Status (11)

Country Link
EP (1) EP0976197B1 (de)
JP (1) JP2001520821A (de)
CN (1) CN1260087A (de)
AT (1) ATE243893T1 (de)
AU (1) AU6933098A (de)
CA (1) CA2286982A1 (de)
DE (1) DE69815836T2 (de)
DK (1) DK0976197T3 (de)
ES (1) ES2201477T3 (de)
IL (1) IL132206A0 (de)
WO (1) WO1998047227A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012202469B3 (de) * 2012-02-17 2013-01-17 Siemens Medical Instruments Pte. Ltd. Hörvorrichtung mit einem adaptiven Filter und Verfahren zum Filtern eines Audiosignal

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6885752B1 (en) 1994-07-08 2005-04-26 Brigham Young University Hearing aid device incorporating signal processing techniques
US6084973A (en) * 1997-12-22 2000-07-04 Audio Technica U.S., Inc. Digital and analog directional microphone
CN1333994A (zh) * 1998-11-16 2002-01-30 伊利诺伊大学评议会 双路立体声信号处理技术
JP4468588B2 (ja) * 1999-02-05 2010-05-26 ヴェーデクス・アクティーセルスカプ ビーム形成特性を有する補聴器
US6480610B1 (en) 1999-09-21 2002-11-12 Sonic Innovations, Inc. Subband acoustic feedback cancellation in hearing aids
US6757395B1 (en) 2000-01-12 2004-06-29 Sonic Innovations, Inc. Noise reduction apparatus and method
US7274794B1 (en) 2001-08-10 2007-09-25 Sonic Innovations, Inc. Sound processing system including forward filter that exhibits arbitrary directivity and gradient response in single wave sound environment
CN103037378B (zh) * 2011-09-29 2016-08-03 联芯科技有限公司 非同步干扰数据下的干扰消除方法和装置
JP6048370B2 (ja) * 2013-10-24 2016-12-21 トヨタ自動車株式会社 制動装置
US10200075B2 (en) * 2016-03-04 2019-02-05 Raytheon Company Discrete time analog signal processing for simultaneous transmit and receive
CN106877840A (zh) * 2017-01-04 2017-06-20 深圳怡化电脑股份有限公司 一种机械振动误差消除方法及装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5243624A (en) * 1991-07-26 1993-09-07 General Instrument Corporation Method and apparatus for updating coefficients in a complex adaptive equalizer
CA2164025A1 (en) * 1995-01-04 1996-07-05 David Goodwin Shaw Sub-band signal processor
US5825898A (en) * 1996-06-27 1998-10-20 Lamar Signal Processing Ltd. System and method for adaptive interference cancelling

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012202469B3 (de) * 2012-02-17 2013-01-17 Siemens Medical Instruments Pte. Ltd. Hörvorrichtung mit einem adaptiven Filter und Verfahren zum Filtern eines Audiosignal
US9124963B2 (en) 2012-02-17 2015-09-01 Sivantos Pte. Ltd. Hearing apparatus having an adaptive filter and method for filtering an audio signal

Also Published As

Publication number Publication date
CA2286982A1 (en) 1998-10-22
DK0976197T3 (da) 2003-10-20
DE69815836D1 (de) 2003-07-31
IL132206A0 (en) 2001-07-24
AU6933098A (en) 1998-11-11
EP0976197A1 (de) 2000-02-02
ES2201477T3 (es) 2004-03-16
JP2001520821A (ja) 2001-10-30
EP0976197B1 (de) 2003-06-25
ATE243893T1 (de) 2003-07-15
CN1260087A (zh) 2000-07-12
WO1998047227A1 (en) 1998-10-22

Similar Documents

Publication Publication Date Title
DE69815836T2 (de) Interferenzunterdrückungssystem und verfahren mit doppelverarbeitung
AU552258B2 (en) Method and apparatus for low frequency active attenuation
NO981713D0 (no) FremgangsmÕte ved ekko-kansellering, omfattende dualt adaptivt filter
DE69128221D1 (de) Akustische adaptive Vorrichtung zur Löschung von Geräuschsignalen.
EP0622779A3 (de) Aktiver Lärmdämpfer mit vielfachadaptivem Filter.
AU5278698A (en) Noise canceling method and apparatus for the same
FI955947A7 (fi) Kohinanvaimennin ja menetelmä taustakohinan vaimentamiseksi kohinaisesta puheesta sekä matkaviestin
GB2368796A (en) Humanized anti-ErbB2 antibodies and treatment with anti-ErbB2 antibodies
EP0465174A3 (en) Adaptive active noise cancellation apparatus
DE69521852D1 (de) Adaptiver spreizspektrumempfänger
IL118536A (en) Noise cancellation and noise reduction apparatus
MX9102778A (es) Metodo y aparato para cancelar ruido de espectro de dispersion.
FI972048L (fi) Taustamelunpoistolaite
EP1542444A3 (de) Echokompensator und Echopfadschätzungsverfahren
EP0480354A3 (en) Electron wave interference devices and related methods for modulating an interference current and for branching electron waves
DE69739208D1 (de) Elimination von akustischen rückkopplung mit einem adaptiven notchfilteralgoritmus
EP0904668A4 (de) Adaptive kapizität und qualitätsverbesserung für zellenlare dienste durch entfernung von starken interferenzquellen
GB9613209D0 (en) Spread spectrum communication apparatus,and demodulator,surface acoustic wave element and surface acoustic wave parts for spread spectrum communication
DE69529401D1 (de) Hochpassfilter, insbesondere für die Offsetunterdrückung in einer Verstärkerkette
AU3291795A (en) Method and device for cancelling received frequency offset
WO2002061981A3 (en) Fiber optic communications
TR24998A (tr) Hiperfrekans dalgalarini yönlendiren band eliminatör filtresi.
SE9503545L (sv) Adaptivt ekosläckningsförfarande
WO2000039787A3 (en) System and method for effectively implementing fixed masking thresholds in an audio encoder device
ATE349810T1 (de) Interferenzvermeidung zwischen elektrischen geräten

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee