NO314609B1 - Filterbatteristruktur og fremgangsmåte for å filtrere og separere et informasjonssignal i forskjellige bånd, spesielt for audiosignaler ihöreapparater - Google Patents

Filterbatteristruktur og fremgangsmåte for å filtrere og separere et informasjonssignal i forskjellige bånd, spesielt for audiosignaler ihöreapparater Download PDF

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Publication number
NO314609B1
NO314609B1 NO19995009A NO995009A NO314609B1 NO 314609 B1 NO314609 B1 NO 314609B1 NO 19995009 A NO19995009 A NO 19995009A NO 995009 A NO995009 A NO 995009A NO 314609 B1 NO314609 B1 NO 314609B1
Authority
NO
Norway
Prior art keywords
frequency band
band signals
digital
filter
signal
Prior art date
Application number
NO19995009A
Other languages
English (en)
Norwegian (no)
Other versions
NO995009L (no
NO995009D0 (no
Inventor
Robert Brennan
Anthony Todd Schneider
Original Assignee
Dsp Factory Ltd
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 Dsp Factory Ltd filed Critical Dsp Factory Ltd
Publication of NO995009D0 publication Critical patent/NO995009D0/no
Publication of NO995009L publication Critical patent/NO995009L/no
Publication of NO314609B1 publication Critical patent/NO314609B1/no

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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
    • H04R25/50—Customised settings for obtaining desired overall acoustical characteristics
    • H04R25/505—Customised settings for obtaining desired overall acoustical characteristics using digital signal processing
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00—Networks using digital techniques
    • H03H17/02—Frequency selective networks
    • H03H17/0248—Filters characterised by a particular frequency response or filtering method
    • H03H17/0264—Filter sets with mutual related characteristics
    • H03H17/0266—Filter banks
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00—Networks using digital techniques
    • H03H17/02—Frequency selective networks
    • H03H17/0294—Variable filters; Programmable filters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R2225/00—Details of deaf aids covered by H04R25/00, not provided for in any of its subgroups
    • H04R2225/43—Signal processing in hearing aids to enhance the speech intelligibility
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R2460/00—Details of hearing devices, i.e. of ear- or headphones covered by H04R1/10 or H04R5/033 but not provided for in any of their subgroups, or of hearing aids covered by H04R25/00 but not provided for in any of its subgroups
    • H04R2460/03—Aspects of the reduction of energy consumption in hearing devices
    • 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
    • H04R25/35—Electric hearing aids using translation techniques
    • H04R25/356—Amplitude, e.g. amplitude shift or compression
    • 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

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Mathematical Physics (AREA)
  • Acoustics & Sound (AREA)
  • General Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Neurosurgery (AREA)
  • Networks Using Active Elements (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Stereophonic System (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
  • Electroluminescent Light Sources (AREA)
NO19995009A 1997-04-16 1999-10-14 Filterbatteristruktur og fremgangsmåte for å filtrere og separere et informasjonssignal i forskjellige bånd, spesielt for audiosignaler ihöreapparater NO314609B1 (no)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US4199097P 1997-04-16 1997-04-16
US4197797P 1997-04-16 1997-04-16
PCT/CA1998/000329 WO1998047313A2 (en) 1997-04-16 1998-04-16 Filterbank structure and method for filtering and separating an information signal into different bands, particularly for audio signals in hearing aids

Publications (3)

Publication Number Publication Date
NO995009D0 NO995009D0 (no) 1999-10-14
NO995009L NO995009L (no) 1999-12-10
NO314609B1 true NO314609B1 (no) 2003-04-14

Family

ID=26718755

Family Applications (1)

Application Number Title Priority Date Filing Date
NO19995009A NO314609B1 (no) 1997-04-16 1999-10-14 Filterbatteristruktur og fremgangsmåte for å filtrere og separere et informasjonssignal i forskjellige bånd, spesielt for audiosignaler ihöreapparater

Country Status (9)

Country Link
EP (1) EP0985328B1 (de)
JP (1) JP4267078B2 (de)
AT (1) ATE320162T1 (de)
AU (1) AU744008B2 (de)
CA (1) CA2286051C (de)
DE (1) DE69833749T2 (de)
DK (1) DK0985328T3 (de)
NO (1) NO314609B1 (de)
WO (1) WO1998047313A2 (de)

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EP1252799B2 (de) 2000-01-20 2022-11-02 Starkey Laboratories, Inc. Hörhilfegerät-systeme
DE60100453T2 (de) * 2000-01-25 2004-05-27 Widex A/S Eine methode und ein system zur erzeugung eines kalibrierten schallfeldes
EP1191813A1 (de) * 2000-09-25 2002-03-27 TOPHOLM & WESTERMANN APS Hörgerät mit adaptivem Filter zur Unterdrückung akustischer Rückkopplung
EP2066139A3 (de) * 2000-09-25 2010-06-23 Widex A/S Hörgerät
EP1250027A1 (de) 2001-04-13 2002-10-16 Widex A/S Unterdrückung der wahrgenommenen Verstopfung
JP4681163B2 (ja) * 2001-07-16 2011-05-11 パナソニック株式会社 ハウリング検出抑圧装置、これを備えた音響装置、及び、ハウリング検出抑圧方法
US7363334B2 (en) 2003-08-28 2008-04-22 Accoutic Processing Technology, Inc. Digital signal-processing structure and methodology featuring engine-instantiated, wave-digital-filter componentry, and fabrication thereof
CA2481631A1 (en) 2004-09-15 2006-03-15 Dspfactory Ltd. Method and system for physiological signal processing
BRPI0518278B1 (pt) 2004-10-26 2018-04-24 Dolby Laboratories Licensing Corporation Método e aparelho para controlar uma característica de sonoridade particular de um sinal de áudio
EP1675431B1 (de) 2004-12-22 2015-11-18 Bernafon AG Hörgerät mit Frequenzkanälen
EP1742509B1 (de) * 2005-07-08 2013-08-14 Oticon A/S Vorrichtung und Verfahren zum Eliminieren von Feedback-Rauschen in einem Hörgerät
US7676374B2 (en) 2006-03-28 2010-03-09 Nokia Corporation Low complexity subband-domain filtering in the case of cascaded filter banks
PL2002429T3 (pl) * 2006-04-04 2013-03-29 Dolby Laboratories Licensing Corp Kontrola słyszalnej charakterystyki głośności sygnału audio
DK1885156T3 (da) 2006-08-04 2013-07-29 Siemens Audiologische Technik Høreapparat med en audiosignalgenerator
DE102008024490B4 (de) 2008-05-21 2011-09-22 Siemens Medical Instruments Pte. Ltd. Filterbanksystem für Hörgeräte
DE102008058496B4 (de) 2008-11-21 2010-09-09 Siemens Medical Instruments Pte. Ltd. Filterbanksystem mit spezifischen Sperrdämpfungsanteilen für eine Hörvorrichtung
BR122015019030B1 (pt) 2008-12-15 2020-05-05 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V codificador de audio e decodificador de extensão de largura de banda
DE102010039589A1 (de) 2010-08-20 2012-02-23 Siemens Medical Instruments Pte. Ltd. Hörhilfe- und/oder Tinnitus-Therapie-Gerät
EP3122072B1 (de) 2011-03-24 2020-09-23 Oticon A/s Audioverarbeitungsvorrichtung, system, verwendung und verfahren
PL2904612T3 (pl) 2012-10-05 2019-05-31 Fraunhofer Ges Forschung Urządzenie do kodowania sygnału mowy wykorzystujące ACELP w dziedzinie autokorelacji
AU2014220725B2 (en) 2013-02-20 2016-11-17 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatus and method for encoding or decoding an audio signal using a transient-location dependent overlap
RU2665253C2 (ru) 2013-06-21 2018-08-28 Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. Устройство и способ для улучшенного маскирования адаптивной таблицы кодирования при acelp-образном маскировании с использованием улучшенной оценки запаздывания основного тона
EP2980797A1 (de) 2014-07-28 2016-02-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audiodecodierer, Verfahren und Computerprogramm mit Zero-Input-Response zur Erzeugung eines sanften Übergangs
ES2975073T3 (es) 2014-03-31 2024-07-03 Fraunhofer Ges Forschung Codificador, descodificador, procedimiento de codificación, procedimiento de descodificación y programa
EP2980793A1 (de) 2014-07-28 2016-02-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Codierer, Decodierer, System und Verfahren zur Codierung und Decodierung
TWI602172B (zh) 2014-08-27 2017-10-11 弗勞恩霍夫爾協會 使用參數以加強隱蔽之用於編碼及解碼音訊內容的編碼器、解碼器及方法
DK3499916T3 (da) * 2017-12-13 2022-07-04 Oticon As Audiobehandlingsenhed, system, anvendelse og fremgangsmåde
WO2020089757A1 (en) * 2018-11-02 2020-05-07 Cochlear Limited Multiple sound source encoding in hearing protheses
CN115902380B (zh) * 2023-03-08 2023-06-16 保定天威新域科技发展有限公司 一种超宽带电流智能传感器

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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
US5029217A (en) * 1986-01-21 1991-07-02 Harold Antin Digital hearing enhancement apparatus
US4852175A (en) * 1988-02-03 1989-07-25 Siemens Hearing Instr Inc Hearing aid signal-processing system
SE462885B (sv) * 1989-06-29 1990-09-10 Anders Sagren Programmerbar hoerselkorrigerande anordning
US5651071A (en) * 1993-09-17 1997-07-22 Audiologic, Inc. Noise reduction system for binaural hearing aid

Also Published As

Publication number Publication date
CA2286051A1 (en) 1998-10-22
WO1998047313A3 (en) 1999-02-11
AU6915398A (en) 1998-11-11
WO1998047313A2 (en) 1998-10-22
HK1024814A1 (en) 2000-10-20
NO995009L (no) 1999-12-10
CA2286051C (en) 2003-03-11
JP2001519127A (ja) 2001-10-16
DE69833749D1 (de) 2006-05-04
DE69833749T2 (de) 2006-08-17
DK0985328T3 (da) 2006-04-10
AU744008B2 (en) 2002-02-14
EP0985328B1 (de) 2006-03-08
NO995009D0 (no) 1999-10-14
EP0985328A2 (de) 2000-03-15
JP4267078B2 (ja) 2009-05-27
ATE320162T1 (de) 2006-03-15

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