NO169689C - Programmerbart hybrid hoereapparat med digital signalbehandling samt fremgangsmaate ved deteksjon og signalbehandlingi samme. - Google Patents

Programmerbart hybrid hoereapparat med digital signalbehandling samt fremgangsmaate ved deteksjon og signalbehandlingi samme.

Info

Publication number
NO169689C
NO169689C NO894806A NO894806A NO169689C NO 169689 C NO169689 C NO 169689C NO 894806 A NO894806 A NO 894806A NO 894806 A NO894806 A NO 894806A NO 169689 C NO169689 C NO 169689C
Authority
NO
Norway
Prior art keywords
digital signal
pct
hearing aid
signal processing
signal treatment
Prior art date
Application number
NO894806A
Other languages
English (en)
Other versions
NO169689B (no
NO894806L (no
NO894806D0 (no
Inventor
Asbjoern Krokstad
Tor Audun Ramstad
Jarle Svean
Original Assignee
Nha As
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 Nha As filed Critical Nha As
Priority to NO894806A priority Critical patent/NO169689C/no
Publication of NO894806D0 publication Critical patent/NO894806D0/no
Priority to DK91900061.2T priority patent/DK0502073T3/da
Priority to AT91900061T priority patent/ATE111670T1/de
Priority to PCT/NO1990/000178 priority patent/WO1991008654A1/en
Priority to CA002069737A priority patent/CA2069737C/en
Priority to AU68805/91A priority patent/AU654266B2/en
Priority to DE69012582T priority patent/DE69012582T2/de
Priority to JP3500704A priority patent/JPH05504029A/ja
Priority to HU9201417A priority patent/HU9201417D0/hu
Priority to ES91900061T priority patent/ES2060345T3/es
Priority to EP91900061A priority patent/EP0502073B1/en
Priority to US07/852,242 priority patent/US5276739A/en
Publication of NO894806L publication Critical patent/NO894806L/no
Publication of NO169689B publication Critical patent/NO169689B/no
Priority to FI922408A priority patent/FI922408A0/fi
Publication of NO169689C publication Critical patent/NO169689C/no

Links

Classifications

    • 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
    • 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
NO894806A 1989-11-30 1989-11-30 Programmerbart hybrid hoereapparat med digital signalbehandling samt fremgangsmaate ved deteksjon og signalbehandlingi samme. NO169689C (no)

Priority Applications (13)

Application Number Priority Date Filing Date Title
NO894806A NO169689C (no) 1989-11-30 1989-11-30 Programmerbart hybrid hoereapparat med digital signalbehandling samt fremgangsmaate ved deteksjon og signalbehandlingi samme.
US07/852,242 US5276739A (en) 1989-11-30 1990-11-29 Programmable hybrid hearing aid with digital signal processing
DE69012582T DE69012582T2 (de) 1989-11-30 1990-11-29 Hörgerät.
HU9201417A HU9201417D0 (en) 1989-11-30 1990-11-29 Hearing-aid as well as method for detecting and processing signals
PCT/NO1990/000178 WO1991008654A1 (en) 1989-11-30 1990-11-29 Hearing aid
CA002069737A CA2069737C (en) 1989-11-30 1990-11-29 Hearing aid
AU68805/91A AU654266B2 (en) 1989-11-30 1990-11-29 Hearing aid
DK91900061.2T DK0502073T3 (da) 1989-11-30 1990-11-29 Høreapparat
JP3500704A JPH05504029A (ja) 1989-11-30 1990-11-29 補聴器
AT91900061T ATE111670T1 (de) 1989-11-30 1990-11-29 Hörgerät.
ES91900061T ES2060345T3 (es) 1989-11-30 1990-11-29 Audifono.
EP91900061A EP0502073B1 (en) 1989-11-30 1990-11-29 Hearing aid
FI922408A FI922408A0 (fi) 1989-11-30 1992-05-26 Hoerapparat.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NO894806A NO169689C (no) 1989-11-30 1989-11-30 Programmerbart hybrid hoereapparat med digital signalbehandling samt fremgangsmaate ved deteksjon og signalbehandlingi samme.

Publications (4)

Publication Number Publication Date
NO894806D0 NO894806D0 (no) 1989-11-30
NO894806L NO894806L (no) 1991-05-31
NO169689B NO169689B (no) 1992-04-13
NO169689C true NO169689C (no) 1992-07-22

Family

ID=19892639

Family Applications (1)

Application Number Title Priority Date Filing Date
NO894806A NO169689C (no) 1989-11-30 1989-11-30 Programmerbart hybrid hoereapparat med digital signalbehandling samt fremgangsmaate ved deteksjon og signalbehandlingi samme.

Country Status (13)

Country Link
US (1) US5276739A (no)
EP (1) EP0502073B1 (no)
JP (1) JPH05504029A (no)
AT (1) ATE111670T1 (no)
AU (1) AU654266B2 (no)
CA (1) CA2069737C (no)
DE (1) DE69012582T2 (no)
DK (1) DK0502073T3 (no)
ES (1) ES2060345T3 (no)
FI (1) FI922408A0 (no)
HU (1) HU9201417D0 (no)
NO (1) NO169689C (no)
WO (1) WO1991008654A1 (no)

Families Citing this family (113)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5717818A (en) * 1992-08-18 1998-02-10 Hitachi, Ltd. Audio signal storing apparatus having a function for converting speech speed
US5757932A (en) * 1993-09-17 1998-05-26 Audiologic, Inc. Digital hearing aid system
EP0676909A1 (de) * 1994-03-31 1995-10-11 Siemens Audiologische Technik GmbH Programmierbares Hörgerät
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
EP0712263B1 (de) * 1994-11-10 2003-01-29 Siemens Audiologische Technik GmbH Programmierbares Hörgerät
EP0712261A1 (de) * 1994-11-10 1996-05-15 Siemens Audiologische Technik GmbH Programmierbares Hörgerät
DE4441996A1 (de) * 1994-11-26 1996-05-30 Toepholm & Westermann Hörhilfsgerät
US5822442A (en) * 1995-09-11 1998-10-13 Starkey Labs, Inc. Gain compression amplfier providing a linear compression function
US5862238A (en) * 1995-09-11 1999-01-19 Starkey Laboratories, Inc. Hearing aid having input and output gain compression circuits
US6072884A (en) * 1997-11-18 2000-06-06 Audiologic Hearing Systems Lp Feedback cancellation apparatus and methods
US5838807A (en) * 1995-10-19 1998-11-17 Mitel Semiconductor, Inc. Trimmable variable compression amplifier for hearing aid
US5815581A (en) * 1995-10-19 1998-09-29 Mitel Semiconductor, Inc. Class D hearing aid amplifier with feedback
DE69733837T2 (de) * 1996-05-24 2006-04-27 Lesinski, S. George, Cincinnati Verbesserte mikrophone für implantierbares hörhilfegerät
EP1596629A3 (en) * 1996-05-24 2011-09-21 S. George Lesinski Electronic module for implantable hearing aid
US7106754B1 (en) 1996-07-25 2006-09-12 Cisco Technology, Inc. Application programming interface for modem and ISDN processing
US6023473A (en) 1996-07-25 2000-02-08 Telebit Corporation Application programming interface for modem and ISDN processing
US6038222A (en) * 1996-07-25 2000-03-14 Telebit Corporation Modem command and data interface
US6047308A (en) * 1996-07-25 2000-04-04 Cisco Technology, Inc. Modem with integrated control processor and digital signal processor sessions
US6044162A (en) * 1996-12-20 2000-03-28 Sonic Innovations, Inc. Digital hearing aid using differential signal representations
US6275596B1 (en) 1997-01-10 2001-08-14 Gn Resound Corporation Open ear canal hearing aid system
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
US7787647B2 (en) * 1997-01-13 2010-08-31 Micro Ear Technology, Inc. Portable system for programming hearing aids
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
US6535609B1 (en) * 1997-06-03 2003-03-18 Lear Automotive Dearborn, Inc. Cabin communication system
JP4354631B2 (ja) 1997-07-18 2009-10-28 リザウンド コーポレイション 耳の後ろに取り付ける補聴器装置
US6134329A (en) * 1997-09-05 2000-10-17 House Ear Institute Method of measuring and preventing unstable feedback in hearing aids
US6366863B1 (en) * 1998-01-09 2002-04-02 Micro Ear Technology Inc. Portable hearing-related analysis system
US7286675B1 (en) 1998-01-12 2007-10-23 Imperial College Of Science, Technology & Medicine Audio signal processors
US5944672A (en) * 1998-04-15 1999-08-31 Samsung Electronics Co., Ltd. Digital hearing impairment simulation method and hearing aid evaluation method using the same
US6347148B1 (en) 1998-04-16 2002-02-12 Dspfactory Ltd. Method and apparatus for feedback reduction in acoustic systems, particularly in hearing aids
US6000492A (en) * 1998-06-29 1999-12-14 Resound Corporation Cerumen block for sound delivery system
US6009183A (en) * 1998-06-30 1999-12-28 Resound Corporation Ambidextrous sound delivery tube system
US6681022B1 (en) 1998-07-22 2004-01-20 Gn Resound North Amerca Corporation Two-way communication earpiece
US6212496B1 (en) 1998-10-13 2001-04-03 Denso Corporation, Ltd. Customizing audio output to a user's hearing in a digital telephone
AU766092B2 (en) * 1998-11-24 2003-10-09 Phonak Ag Hearing aid
DK1135968T3 (da) 1998-12-11 2002-12-02 Siemens Audiologische Technik Fremgangsmåde til frembringelse af konstante lydtryksniveauer i høreapparater samt høreapparat
US6813490B1 (en) * 1999-12-17 2004-11-02 Nokia Corporation Mobile station with audio signal adaptation to hearing characteristics of the user
AU768987B2 (en) * 2000-01-07 2004-01-15 Widex A/S A digital hearing aid with a voltage converter
WO2001054458A2 (en) 2000-01-20 2001-07-26 Starkey Laboratories, Inc. Hearing aid systems
US6392578B1 (en) * 2000-04-20 2002-05-21 Analog Devices, Inc. Digital-to-analog converter and a method for facilitating outputting of an analog output of predetermined value from the digital-to-analog converter in response to a digital input code
JP3448586B2 (ja) * 2000-08-29 2003-09-22 独立行政法人産業技術総合研究所 聴覚障害を考慮した音の測定方法およびシステム
NO312570B1 (no) * 2000-09-01 2002-05-27 Sintef Stöybeskyttelse med verifiseringsanordning
NO313400B1 (no) * 2000-09-01 2002-09-23 Nacre As Öreterminal for stöykontroll
NO314380B1 (no) * 2000-09-01 2003-03-10 Nacre As Öreterminal
US7039195B1 (en) 2000-09-01 2006-05-02 Nacre As Ear terminal
NO313730B1 (no) * 2000-09-01 2002-11-18 Nacre As Öreterminal med mikrofon for stemmeopptak
NO314429B1 (no) * 2000-09-01 2003-03-17 Nacre As Öreterminal med mikrofon for naturlig stemmegjengivelse
WO2002035807A2 (en) * 2000-10-26 2002-05-02 Soniontech A/S A control module for a mobile unit
US8176296B2 (en) 2000-10-26 2012-05-08 Cypress Semiconductor Corporation Programmable microcontroller architecture
US8160864B1 (en) 2000-10-26 2012-04-17 Cypress Semiconductor Corporation In-circuit emulator and pod synchronized boot
US6724220B1 (en) 2000-10-26 2004-04-20 Cyress Semiconductor Corporation Programmable microcontroller architecture (mixed analog/digital)
US8103496B1 (en) 2000-10-26 2012-01-24 Cypress Semicondutor Corporation Breakpoint control in an in-circuit emulation system
US7149319B2 (en) * 2001-01-23 2006-12-12 Phonak Ag Telecommunication system, speech recognizer, and terminal, and method for adjusting capacity for vocal commanding
US20020106091A1 (en) * 2001-02-02 2002-08-08 Furst Claus Erdmann Microphone unit with internal A/D converter
DE10110258C1 (de) 2001-03-02 2002-08-29 Siemens Audiologische Technik Verfahren zum Betrieb eines Hörhilfegerätes oder Hörgerätesystems sowie Hörhilfegerät oder Hörgerätesystem
EP1251714B2 (en) 2001-04-12 2015-06-03 Sound Design Technologies Ltd. Digital hearing aid system
US6633202B2 (en) 2001-04-12 2003-10-14 Gennum Corporation Precision low jitter oscillator circuit
ATE318062T1 (de) * 2001-04-18 2006-03-15 Gennum Corp Mehrkanal hörgerät mit übertragungsmöglichkeiten zwischen den kanälen
CA2382358C (en) * 2001-04-18 2007-01-09 Gennum Corporation Digital quasi-rms detector
US6717537B1 (en) 2001-06-26 2004-04-06 Sonic Innovations, Inc. Method and apparatus for minimizing latency in digital signal processing systems
DK1284587T3 (da) * 2001-08-15 2011-10-31 Sound Design Technologies Ltd Rekonfigurerbar lavenergi-høreindretning
US7406674B1 (en) 2001-10-24 2008-07-29 Cypress Semiconductor Corporation Method and apparatus for generating microcontroller configuration information
WO2003037212A2 (en) * 2001-10-30 2003-05-08 Lesinski George S Implantation method for a hearing aid microactuator implanted into the cochlea
US8078970B1 (en) 2001-11-09 2011-12-13 Cypress Semiconductor Corporation Graphical user interface with user-selectable list-box
US8042093B1 (en) 2001-11-15 2011-10-18 Cypress Semiconductor Corporation System providing automatic source code generation for personalization and parameterization of user modules
US8069405B1 (en) 2001-11-19 2011-11-29 Cypress Semiconductor Corporation User interface for efficiently browsing an electronic document using data-driven tabs
EP1479265B1 (en) * 2002-02-28 2007-12-05 Nacre AS Voice detection and discrimination apparatus and method
US8103497B1 (en) 2002-03-28 2012-01-24 Cypress Semiconductor Corporation External interface for event architecture
DE10228826A1 (de) * 2002-06-27 2004-01-29 Siemens Audiologische Technik Gmbh Akustikmodul für ein Hörhilfsgerät
NL1021485C2 (nl) * 2002-09-18 2004-03-22 Stichting Tech Wetenschapp Hoorbril-samenstel.
DE10243869A1 (de) * 2002-09-20 2004-04-01 Infineon Technologies Ag Schaltkreis-Anordnung und Signalverarbeitungs-Vorrichtung
DE10245567B3 (de) 2002-09-30 2004-04-01 Siemens Audiologische Technik Gmbh Vorrichtung und Verfahren zum Anpassen eines Hörgeräts
US7299307B1 (en) * 2002-12-24 2007-11-20 Cypress Semiconductor Corporation Analog I/O with digital signal processor array
US7809150B2 (en) * 2003-05-27 2010-10-05 Starkey Laboratories, Inc. Method and apparatus to reduce entrainment-related artifacts for hearing assistance systems
DK1673964T3 (en) * 2003-10-10 2017-01-16 Oticon As METHOD OF TREATING THE SIGNALS FROM TWO OR MORE MICROPHONES IN A LISTENING AND LISTENING MULTIPLE MICROPHONES
US20050135644A1 (en) * 2003-12-23 2005-06-23 Yingyong Qi Digital cell phone with hearing aid functionality
CN100486360C (zh) * 2004-03-12 2009-05-06 梁华伟 用于人工耳蜗的数字式多通道语音处理器
US20060093997A1 (en) * 2004-06-12 2006-05-04 Neurotone, Inc. Aural rehabilitation system and a method of using the same
US7332976B1 (en) 2005-02-04 2008-02-19 Cypress Semiconductor Corporation Poly-phase frequency synthesis oscillator
US7400183B1 (en) 2005-05-05 2008-07-15 Cypress Semiconductor Corporation Voltage controlled oscillator delay cell and method
US20070053536A1 (en) * 2005-08-24 2007-03-08 Patrik Westerkull Hearing aid system
US8085067B1 (en) 2005-12-21 2011-12-27 Cypress Semiconductor Corporation Differential-to-single ended signal converter circuit and method
US8116473B2 (en) 2006-03-13 2012-02-14 Starkey Laboratories, Inc. Output phase modulation entrainment containment for digital filters
US8553899B2 (en) * 2006-03-13 2013-10-08 Starkey Laboratories, Inc. Output phase modulation entrainment containment for digital filters
US8067948B2 (en) 2006-03-27 2011-11-29 Cypress Semiconductor Corporation Input/output multiplexer bus
DE102006019694B3 (de) * 2006-04-27 2007-10-18 Siemens Audiologische Technik Gmbh Verfahren zum Einstellen eines Hörgeräts mit Hochfrequenzverstärkung
CA2601662A1 (en) 2006-09-18 2008-03-18 Matthias Mullenborn Wireless interface for programming hearing assistance devices
US8199948B2 (en) 2006-10-23 2012-06-12 Starkey Laboratories, Inc. Entrainment avoidance with pole stabilization
WO2008051571A1 (en) * 2006-10-23 2008-05-02 Starkey Laboratories, Inc. Filter entrainment avoidance with a frequency domain transform algorithm
EP2080408B1 (en) 2006-10-23 2012-08-15 Starkey Laboratories, Inc. Entrainment avoidance with an auto regressive filter
JP5194434B2 (ja) * 2006-11-07 2013-05-08 ソニー株式会社 ノイズキャンセリングシステムおよびノイズキャンセル方法
US8092083B2 (en) * 2007-04-17 2012-01-10 Cypress Semiconductor Corporation Temperature sensor with digital bandgap
US8040266B2 (en) 2007-04-17 2011-10-18 Cypress Semiconductor Corporation Programmable sigma-delta analog-to-digital converter
US8026739B2 (en) 2007-04-17 2011-09-27 Cypress Semiconductor Corporation System level interconnect with programmable switching
US8130025B2 (en) 2007-04-17 2012-03-06 Cypress Semiconductor Corporation Numerical band gap
US8266575B1 (en) 2007-04-25 2012-09-11 Cypress Semiconductor Corporation Systems and methods for dynamically reconfiguring a programmable system on a chip
US8065653B1 (en) 2007-04-25 2011-11-22 Cypress Semiconductor Corporation Configuration of programmable IC design elements
US9720805B1 (en) 2007-04-25 2017-08-01 Cypress Semiconductor Corporation System and method for controlling a target device
US8049569B1 (en) 2007-09-05 2011-11-01 Cypress Semiconductor Corporation Circuit and method for improving the accuracy of a crystal-less oscillator having dual-frequency modes
DE102008032852A1 (de) * 2008-07-14 2010-01-21 T-Mobile International Ag Kommunikationsgerät mit Funktionalität einer Hörhilfe
EP2148525B1 (en) * 2008-07-24 2013-06-05 Oticon A/S Codebook based feedback path estimation
US8144909B2 (en) 2008-08-12 2012-03-27 Cochlear Limited Customization of bone conduction hearing devices
WO2010138911A1 (en) 2009-05-29 2010-12-02 Otologics, Llc Implantable auditory stimulation system and method with offset implanted microphones
US8355517B1 (en) 2009-09-30 2013-01-15 Intricon Corporation Hearing aid circuit with feedback transition adjustment
US8659170B2 (en) * 2010-01-20 2014-02-25 Taiwan Semiconductor Manufacturing Company, Ltd. Semiconductor device having conductive pads and a method of manufacturing the same
US9654885B2 (en) 2010-04-13 2017-05-16 Starkey Laboratories, Inc. Methods and apparatus for allocating feedback cancellation resources for hearing assistance devices
US20120281845A1 (en) * 2011-05-05 2012-11-08 Sony Ericsson Mobile Communications Ab Method for determining an impedance of an electroacoustic transducer and for operating an audio playback device
US11071869B2 (en) 2016-02-24 2021-07-27 Cochlear Limited Implantable device having removable portion
CN205811969U (zh) * 2016-07-25 2016-12-14 惠州超声音响有限公司 一种均衡式压限器系统
US11012792B2 (en) * 2017-01-31 2021-05-18 Widex A/S Method of operating a hearing aid system and a hearing aid system
US11894819B2 (en) * 2020-02-18 2024-02-06 Sensaphonics, Inc. Audio monitoring system

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2716336B1 (de) * 1977-04-13 1978-07-06 Siemens Ag Verfahren und Hoergeraet zur Kompensation von Gehoerdefekten
US4375016A (en) * 1980-04-28 1983-02-22 Qualitone Hearing Aids Inc. Vented ear tip for hearing aid and adapter coupler therefore
SE428167B (sv) * 1981-04-16 1983-06-06 Mangold Stephan Programmerbar signalbehandlingsanordning, huvudsakligen avsedd for personer med nedsatt horsel
US4947432B1 (en) * 1986-02-03 1993-03-09 Programmable hearing aid
US4750207A (en) * 1986-03-31 1988-06-07 Siemens Hearing Instruments, Inc. Hearing aid noise suppression system
US4852175A (en) * 1988-02-03 1989-07-25 Siemens Hearing Instr Inc Hearing aid signal-processing system
AU610705B2 (en) * 1988-03-30 1991-05-23 Diaphon Development A.B. Auditory prosthesis with datalogging capability
NL8802516A (nl) * 1988-10-13 1990-05-01 Philips Nv Hoorapparaat met rondzing onderdrukking.

Also Published As

Publication number Publication date
US5276739A (en) 1994-01-04
EP0502073A1 (en) 1992-09-09
NO169689B (no) 1992-04-13
NO894806L (no) 1991-05-31
AU6880591A (en) 1991-06-26
WO1991008654A1 (en) 1991-06-13
DK0502073T3 (da) 1995-02-20
DE69012582D1 (de) 1994-10-20
EP0502073B1 (en) 1994-09-14
JPH05504029A (ja) 1993-06-24
HUT63726A (en) 1993-09-28
DE69012582T2 (de) 1995-04-20
FI922408A (fi) 1992-05-26
HU9201417D0 (en) 1993-09-28
FI922408A0 (fi) 1992-05-26
ES2060345T3 (es) 1994-11-16
CA2069737A1 (en) 1991-05-31
AU654266B2 (en) 1994-11-03
NO894806D0 (no) 1989-11-30
ATE111670T1 (de) 1994-09-15
CA2069737C (en) 1999-09-14

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