DE68919741T2 - Elektronisches Filter. - Google Patents

Elektronisches Filter.

Info

Publication number
DE68919741T2
DE68919741T2 DE68919741T DE68919741T DE68919741T2 DE 68919741 T2 DE68919741 T2 DE 68919741T2 DE 68919741 T DE68919741 T DE 68919741T DE 68919741 T DE68919741 T DE 68919741T DE 68919741 T2 DE68919741 T2 DE 68919741T2
Authority
DE
Germany
Prior art keywords
electronic filter
filter
electronic
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 - Lifetime
Application number
DE68919741T
Other languages
English (en)
Other versions
DE68919741D1 (de
Inventor
Robert E Morley
George L Engel
A Maynard Engebretson
Thomas J Sullivan
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.)
K/S HJMPP, VAERLOSE, DK
Original Assignee
CENTRAL INST DEAF
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 CENTRAL INST DEAF filed Critical CENTRAL INST DEAF
Application granted granted Critical
Publication of DE68919741D1 publication Critical patent/DE68919741D1/de
Publication of DE68919741T2 publication Critical patent/DE68919741T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00Networks using digital techniques
    • H03H17/02Frequency selective networks
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
    • H04R25/45Prevention of acoustic reaction, i.e. acoustic oscillatory feedback
    • H04R25/453Prevention of acoustic reaction, i.e. acoustic oscillatory feedback electronically
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00Networks using digital techniques
    • H03H17/02Frequency selective networks
    • H03H17/0248Filters characterised by a particular frequency response or filtering method
    • H03H17/0261Non linear filters
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H21/00Adaptive networks
    • H03H21/0012Digital adaptive filters
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00Circuits for transducers, loudspeakers or microphones
    • H04R3/04Circuits for transducers, loudspeakers or microphones for correcting frequency response
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H21/00Adaptive networks
    • H03H21/0012Digital adaptive filters
    • H03H2021/007Computation saving measures; Accelerating measures
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H21/00Adaptive networks
    • H03H21/0012Digital adaptive filters
    • H03H2021/007Computation saving measures; Accelerating measures
    • H03H2021/0072Measures relating to the coefficients
    • H03H2021/0074Reduction of the update frequency
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
    • H04R25/50Customised settings for obtaining desired overall acoustical characteristics
    • H04R25/505Customised settings for obtaining desired overall acoustical characteristics using digital signal processing
DE68919741T 1988-04-11 1989-04-10 Elektronisches Filter. Expired - Lifetime DE68919741T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/180,170 US5111419A (en) 1988-03-23 1988-04-11 Electronic filters, signal conversion apparatus, hearing aids and methods

Publications (2)

Publication Number Publication Date
DE68919741D1 DE68919741D1 (de) 1995-01-19
DE68919741T2 true DE68919741T2 (de) 1995-04-20

Family

ID=22659473

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68919741T Expired - Lifetime DE68919741T2 (de) 1988-04-11 1989-04-10 Elektronisches Filter.

Country Status (8)

Country Link
US (1) US5111419A (de)
EP (1) EP0339819B1 (de)
JP (2) JP3307923B2 (de)
KR (1) KR0138526B1 (de)
AU (1) AU621100B2 (de)
CA (1) CA1335674C (de)
DE (1) DE68919741T2 (de)
DK (1) DK173760B1 (de)

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GB8919591D0 (en) * 1989-08-30 1989-10-11 Gn Davavox As Hearing aid having compensation for acoustic feedback
US5259033A (en) * 1989-08-30 1993-11-02 Gn Danavox As Hearing aid having compensation for acoustic feedback
US5500901A (en) * 1992-02-20 1996-03-19 Resistance Technology, Inc. Frequency response adjusting device
US5233549A (en) * 1992-04-21 1993-08-03 Loral Aerospace Corp. Reduced quantization error FIR filter
US5402496A (en) * 1992-07-13 1995-03-28 Minnesota Mining And Manufacturing Company Auditory prosthesis, noise suppression apparatus and feedback suppression apparatus having focused adaptive filtering
US5535150A (en) * 1993-04-20 1996-07-09 Massachusetts Institute Of Technology Single chip adaptive filter utilizing updatable weighting techniques
US6072885A (en) * 1994-07-08 2000-06-06 Sonic Innovations, Inc. Hearing aid device incorporating signal processing techniques
US8085959B2 (en) * 1994-07-08 2011-12-27 Brigham Young University Hearing compensation system incorporating signal processing techniques
WO1996003848A1 (de) * 1994-07-21 1996-02-08 Institut Für Entwicklung Und Forschung Dr. Vielberth Kg Hörhilfe
CA2215764C (en) * 1995-05-02 2000-04-04 Topholm & Westermann Aps Process for controlling a programmable or program-controlled hearing aid for its in-situ fitting adjustment
JP2970498B2 (ja) * 1995-10-26 1999-11-02 日本電気株式会社 ディジタル補聴器
EP0798947A1 (de) * 1996-03-27 1997-10-01 Siemens Audiologische Technik GmbH Verfahren und Schaltung zur Verarbeitung von Daten, insbesondere Signaldaten in einem digitalen programmierbaren Hörgerät
CA2212131A1 (en) * 1996-08-07 1998-02-07 Beltone Electronics Corporation Digital hearing aid system
US7787647B2 (en) 1997-01-13 2010-08-31 Micro Ear Technology, Inc. Portable system for programming hearing aids
US6449662B1 (en) * 1997-01-13 2002-09-10 Micro Ear Technology, Inc. System for programming hearing aids
US6424722B1 (en) * 1997-01-13 2002-07-23 Micro Ear Technology, Inc. Portable system for programming hearing aids
US6786420B1 (en) 1997-07-15 2004-09-07 Silverbrook Research Pty. Ltd. Data distribution mechanism in the form of ink dots on cards
US6236731B1 (en) * 1997-04-16 2001-05-22 Dspfactory Ltd. Filterbank structure and method for filtering and separating an information signal into different bands, particularly for audio signal in hearing aids
US6618117B2 (en) 1997-07-12 2003-09-09 Silverbrook Research Pty Ltd Image sensing apparatus including a microcontroller
US6879341B1 (en) 1997-07-15 2005-04-12 Silverbrook Research Pty Ltd Digital camera system containing a VLIW vector processor
US7551201B2 (en) 1997-07-15 2009-06-23 Silverbrook Research Pty Ltd Image capture and processing device for a print on demand digital camera system
US6690419B1 (en) 1997-07-15 2004-02-10 Silverbrook Research Pty Ltd Utilising eye detection methods for image processing in a digital image camera
US7110024B1 (en) 1997-07-15 2006-09-19 Silverbrook Research Pty Ltd Digital camera system having motion deblurring means
US6624848B1 (en) 1997-07-15 2003-09-23 Silverbrook Research Pty Ltd Cascading image modification using multiple digital cameras incorporating image processing
US6366863B1 (en) 1998-01-09 2002-04-02 Micro Ear Technology Inc. Portable hearing-related analysis system
DE19802568C2 (de) * 1998-01-23 2003-05-28 Cochlear Ltd Hörhilfe mit Kompensation von akustischer und/oder mechanischer Rückkopplung
AUPP702098A0 (en) 1998-11-09 1998-12-03 Silverbrook Research Pty Ltd Image creation method and apparatus (ART73)
DK1120008T3 (da) * 1998-10-07 2011-10-24 Oticon As Tilbagekoblingshåndtering for et høreapparat
US6408318B1 (en) 1999-04-05 2002-06-18 Xiaoling Fang Multiple stage decimation filter
AUPQ056099A0 (en) 1999-05-25 1999-06-17 Silverbrook Research Pty Ltd A method and apparatus (pprint01)
US6292571B1 (en) 1999-06-02 2001-09-18 Sarnoff Corporation Hearing aid digital filter
EP2291005B1 (de) * 1999-07-21 2016-09-07 MED-EL Elektromedizinische Geräte GmbH Mehrkanaliges cochleares Implantat mit neuraler Antworttelemetrie
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
EP1252799B2 (de) 2000-01-20 2022-11-02 Starkey Laboratories, Inc. Hörhilfegerät-systeme
US6633202B2 (en) 2001-04-12 2003-10-14 Gennum Corporation Precision low jitter oscillator circuit
DK1251714T4 (en) * 2001-04-12 2015-07-20 Sound Design Technologies Ltd Digital hearing aid system
DE60209161T2 (de) * 2001-04-18 2006-10-05 Gennum Corp., Burlington Mehrkanal Hörgerät mit Übertragungsmöglichkeiten zwischen den Kanälen
CA2382358C (en) * 2001-04-18 2007-01-09 Gennum Corporation Digital quasi-rms detector
US20020191800A1 (en) * 2001-04-19 2002-12-19 Armstrong Stephen W. In-situ transducer modeling in a digital hearing instrument
GB2377568B (en) 2001-07-12 2004-12-15 Fast Analog Solutions Ltd Low pass filter
ATE526792T1 (de) * 2001-08-15 2011-10-15 Sound Design Technologies Ltd Rekonfigurierbare hörhilfevorrichtung mit niedrigem leistungsverbrauch
US7151838B2 (en) * 2002-08-21 2006-12-19 Galler Bernard A Digital hearing aid battery conservation method and apparatus
CA2601662A1 (en) 2006-09-18 2008-03-18 Matthias Mullenborn Wireless interface for programming hearing assistance devices
WO2008116264A1 (en) * 2007-03-26 2008-10-02 Cochlear Limited Noise reduction in auditory prostheses
JP3148939U (ja) * 2008-12-22 2009-03-05 株式会社日山 サーチ機能付き補聴器システム
US9203422B2 (en) * 2011-09-29 2015-12-01 Ecole Polytechique Federale De Lausanne (Epfl) Low distortion switched-capacitor event-driven analog to digital converter
JP6073920B2 (ja) * 2012-05-30 2017-02-01 陳啓星CHEN,Qixing 対数コンパンディング比率複数同時実行式超高速ADC及びDACの級電位アーキテクチャ(stage−potentialarchitecture)
US11493713B1 (en) 2018-09-19 2022-11-08 Psiquantum, Corp. Photonic quantum computer assembly having dies with specific contact configuration and matched CTE

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3889108A (en) * 1974-07-25 1975-06-10 Us Navy Adaptive low pass filter
US4038536A (en) * 1976-03-29 1977-07-26 Rockwell International Corporation Adaptive recursive least mean square error filter
DE2716336B1 (de) * 1977-04-13 1978-07-06 Siemens Ag Verfahren und Hoergeraet zur Kompensation von Gehoerdefekten
JPS55100727A (en) * 1979-01-26 1980-07-31 Sony Corp Noncyclic transversal filter
JPS5853358B2 (ja) * 1980-03-31 1983-11-29 株式会社東芝 音声分析装置
DE3131193A1 (de) * 1981-08-06 1983-02-24 Siemens AG, 1000 Berlin und 8000 München Geraet zur kompensation von gehoerschaeden
DK546581A (da) * 1981-12-10 1983-06-11 Danavox As Fremgangsmaade til tilpasning af overfoeringsfunktionen i et hoereapparat til forskellige hoeredefekter samt hoereapparat til udoevelse af fremgangsmaaden
US4649505A (en) * 1984-07-02 1987-03-10 General Electric Company Two-input crosstalk-resistant adaptive noise canceller
US4548082A (en) * 1984-08-28 1985-10-22 Central Institute For The Deaf Hearing aids, signal supplying apparatus, systems for compensating hearing deficiencies, and methods
US4695970A (en) * 1984-08-31 1987-09-22 Texas Instruments Incorporated Linear predictive coding technique with interleaved sequence digital lattice filter
JPS6165616A (ja) * 1984-09-07 1986-04-04 Nippon Hoso Kyokai <Nhk> 対称形firディジタルフィルタ
US4658426A (en) * 1985-10-10 1987-04-14 Harold Antin Adaptive noise suppressor
AU596633B2 (en) * 1986-01-21 1990-05-10 Antin, Mark Digital hearing enhancement apparatus
US4731850A (en) * 1986-06-26 1988-03-15 Audimax, Inc. Programmable digital hearing aid system
NL8700075A (nl) * 1987-01-14 1988-08-01 Philips Nv Datatransmissiestelsel voorzien van versmeringsfilters.

Also Published As

Publication number Publication date
KR890016871A (ko) 1989-11-30
EP0339819B1 (de) 1994-12-07
US5111419A (en) 1992-05-05
DK173760B1 (da) 2001-09-17
JP2000078696A (ja) 2000-03-14
JPH01316016A (ja) 1989-12-20
CA1335674C (en) 1995-05-23
EP0339819A2 (de) 1989-11-02
DE68919741D1 (de) 1995-01-19
KR0138526B1 (ko) 1998-06-15
DK170789D0 (da) 1989-04-10
AU3245889A (en) 1989-10-12
JP3308243B2 (ja) 2002-07-29
JP3307923B2 (ja) 2002-07-29
DK170789A (da) 1989-10-12
AU621100B2 (en) 1992-03-05
EP0339819A3 (de) 1991-01-30

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: K/S HJMPP, VAERLOSE, DK