DE69619840T2 - Abgleichbarer variabler dynamikkompressor für hörgerät - Google Patents

Abgleichbarer variabler dynamikkompressor für hörgerät

Info

Publication number
DE69619840T2
DE69619840T2 DE69619840T DE69619840T DE69619840T2 DE 69619840 T2 DE69619840 T2 DE 69619840T2 DE 69619840 T DE69619840 T DE 69619840T DE 69619840 T DE69619840 T DE 69619840T DE 69619840 T2 DE69619840 T2 DE 69619840T2
Authority
DE
Germany
Prior art keywords
hearing aid
dynamic compressor
variable dynamic
comparable variable
comparable
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
DE69619840T
Other languages
English (en)
Other versions
DE69619840D1 (de
Inventor
Olle Andersson
Jonas Weiland
Mehrdad Negahban
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.)
Microsemi Semiconductor US Inc
Original Assignee
Zarlink Semiconductor US Inc
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 Zarlink Semiconductor US Inc filed Critical Zarlink Semiconductor US Inc
Publication of DE69619840D1 publication Critical patent/DE69619840D1/de
Application granted granted Critical
Publication of DE69619840T2 publication Critical patent/DE69619840T2/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; 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
    • H04R25/35—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception using translation techniques
    • H04R25/356—Amplitude, e.g. amplitude shift or compression
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G7/00—Volume compression or expansion in amplifiers
    • H03G7/002—Volume compression or expansion in amplifiers in untuned or low-frequency amplifiers, e.g. audio amplifiers
    • H03G7/004—Volume compression or expansion in amplifiers in untuned or low-frequency amplifiers, e.g. audio amplifiers using continuously variable impedance devices
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G7/00—Volume compression or expansion in amplifiers
    • H03G7/06—Volume compression or expansion in amplifiers having semiconductor devices
    • 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
    • H04R25/50—Customised settings for obtaining desired overall acoustical characteristics
    • H04R25/502—Customised settings for obtaining desired overall acoustical characteristics using analog signal processing

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Neurosurgery (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Amplifiers (AREA)
DE69619840T 1995-10-19 1996-10-17 Abgleichbarer variabler dynamikkompressor für hörgerät Expired - Fee Related DE69619840T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/545,406 US5838807A (en) 1995-10-19 1995-10-19 Trimmable variable compression amplifier for hearing aid
PCT/US1996/016591 WO1997015114A1 (en) 1995-10-19 1996-10-17 Trimmable variable compression amplifier for hearing aid

Publications (2)

Publication Number Publication Date
DE69619840D1 DE69619840D1 (de) 2002-04-18
DE69619840T2 true DE69619840T2 (de) 2002-09-12

Family

ID=24176094

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69619840T Expired - Fee Related DE69619840T2 (de) 1995-10-19 1996-10-17 Abgleichbarer variabler dynamikkompressor für hörgerät

Country Status (6)

Country Link
US (1) US5838807A (de)
EP (1) EP0856209B1 (de)
AU (1) AU7447596A (de)
DE (1) DE69619840T2 (de)
DK (1) DK0856209T3 (de)
WO (1) WO1997015114A1 (de)

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AU754753B2 (en) * 1998-01-12 2002-11-21 Toumaz Technology Ltd Audio signal processors
US6614285B2 (en) * 1998-04-03 2003-09-02 Cirrus Logic, Inc. Switched capacitor integrator having very low power and low distortion and noise
GB9816531D0 (en) * 1998-07-29 1998-09-30 Northern Telecom Ltd A fully integrated long time constant integrator circuit
US6868163B1 (en) * 1998-09-22 2005-03-15 Becs Technology, Inc. Hearing aids based on models of cochlear compression
US6173063B1 (en) * 1998-10-06 2001-01-09 Gn Resound As Output regulator for feedback reduction in hearing aids
US6339361B1 (en) * 1999-06-09 2002-01-15 Conexant Systems, Inc. Power amplifier driver system for wireless handset
AU2001245648A1 (en) * 2000-03-13 2001-09-24 Sarnoff Corporation Remote programming and control means for a hearing aid
JP3585822B2 (ja) * 2000-09-28 2004-11-04 株式会社東芝 可変利得増幅器を用いた無線通信装置
US7406178B2 (en) * 2001-04-06 2008-07-29 Texas Instruments Incorporated Efficient digital audio automatic gain control
US20020172350A1 (en) * 2001-05-15 2002-11-21 Edwards Brent W. Method for generating a final signal from a near-end signal and a far-end signal
US6904156B1 (en) * 2001-08-03 2005-06-07 Zarlink Semiconductor (U.S.) Inc. System and method for reducing hearing aid squeal
JP4005401B2 (ja) * 2002-04-19 2007-11-07 富士通株式会社 増幅回路及び光通信装置
JP4241443B2 (ja) * 2004-03-10 2009-03-18 ソニー株式会社 音声信号処理装置、音声信号処理方法
US7068103B2 (en) * 2004-04-30 2006-06-27 Texas Instruments Incorporated Operational transconductance amplifier input driver for class D audio amplifiers
US7180371B2 (en) * 2005-03-14 2007-02-20 Avago Technologies Wireless Ip (Singapore) Pte. Ltd. Input amplifier with improved power supply rejection
DE602005010672D1 (de) * 2005-05-25 2008-12-11 Oticon As Verfahren und Vorrichtung zur Stromüberwachung in einem batteriebetriebenen elektronischen Audiogerät
WO2008039503A2 (en) * 2006-09-26 2008-04-03 Farbod Aram Broadband low noise amplifier
US7671675B2 (en) * 2007-08-20 2010-03-02 Rohm Co., Ltd. Output limiting circuit, class D power amplifier and audio equipment
DE102008015696B4 (de) * 2008-03-26 2010-04-29 Infineon Technologies Ag Anordnung, Verwendung einer Anordnung, Referenzspannungsquelle sowie Verfahren zur Erzeugung eines zur Temperatur linear-proportionalen Spannungswertes
US8160284B2 (en) * 2008-09-09 2012-04-17 Etymotic Research, Inc. Amplification circuit and hearing aid
US8094839B2 (en) * 2009-04-30 2012-01-10 Solid State System Co., Ltd. Microelectromechanical system (MEMS) device with senstivity trimming circuit and trimming process
US8649540B2 (en) * 2009-10-30 2014-02-11 Etymotic Research, Inc. Electronic earplug
US20120262233A1 (en) * 2011-04-15 2012-10-18 Fairchild Semiconductor Corporation Mixed signal dynamic range compression
WO2013077932A1 (en) 2011-11-23 2013-05-30 Ag Phonak Cic hearing device
US8519877B1 (en) * 2012-03-28 2013-08-27 Texas Instruments Incorporated Low noise and low power arrangement for playing audio signals
US8913768B2 (en) * 2012-04-25 2014-12-16 Gn Resound A/S Hearing aid with improved compression
WO2015196160A1 (en) 2014-06-19 2015-12-23 Project Ft, Inc. Memoryless active device which traps even harmonic signals
WO2020176088A1 (en) * 2019-02-27 2020-09-03 Steinberg Nevin Sound quality enhancement system and device

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JPS59814Y2 (ja) * 1977-04-22 1984-01-11 ブライアン・ア−ネスト・アトウツド Ｄ級増幅器
NL8203428A (nl) * 1982-09-02 1984-04-02 Philips Nv Inrichting voor het omzetten van een elektrisch signaal in een akoestisch signaal.
US4523156A (en) * 1983-07-25 1985-06-11 National Semiconductor Corporation Anti-distortion anti-transient tone control circuit
US4592087B1 (en) * 1983-12-08 1996-08-13 Knowles Electronics Inc Class D hearing aid amplifier
US4689819B1 (en) * 1983-12-08 1996-08-13 Knowles Electronics Inc Class D hearing aid amplifier
US4595885A (en) * 1984-10-01 1986-06-17 Motorola, Inc. Adjustable active filter
US4739511A (en) * 1985-01-25 1988-04-19 Rion Kabushiki Kaisha Hearing aid
JPS62102612A (ja) * 1985-10-29 1987-05-13 Nippon Gakki Seizo Kk 利得制御回路
US4934770A (en) * 1986-03-12 1990-06-19 Beltone Electronics Electronic compression system
US4922131A (en) * 1986-03-12 1990-05-01 Beltone Electronics Corporation Differential voltage threshold detector
US4952867A (en) * 1986-03-12 1990-08-28 Beltone Electronics Corporation Base bias current compensator
US4792977A (en) * 1986-03-12 1988-12-20 Beltone Electronics Corporation Hearing aid circuit
US4731850A (en) * 1986-06-26 1988-03-15 Audimax, Inc. Programmable digital hearing aid system
US4888810A (en) * 1987-08-05 1989-12-19 Argosy Electronics Analog volume control circuit
US4887299A (en) * 1987-11-12 1989-12-12 Nicolet Instrument Corporation Adaptive, programmable signal processing hearing aid
US4987383A (en) * 1988-10-13 1991-01-22 Siemens Aktiengesellschaft Integrated compression amplifier having programmable threshold voltage
DE3834962A1 (de) * 1988-10-13 1990-04-19 Siemens Ag Digitales programmiergeraet fuer hoergeraete
DE58907764D1 (de) * 1988-10-13 1994-07-07 Siemens Ag Integrierte Spannungsvervielfachschaltung für niedrige Versorgungsspannung.
US5111506A (en) * 1989-03-02 1992-05-05 Ensonig Corporation Power efficient hearing aid
US5083312A (en) * 1989-08-01 1992-01-21 Argosy Electronics, Inc. Programmable multichannel hearing aid with adaptive filter
NO169689C (no) * 1989-11-30 1992-07-22 Nha As Programmerbart hybrid hoereapparat med digital signalbehandling samt fremgangsmaate ved deteksjon og signalbehandlingi samme.
DE59006315D1 (de) * 1990-03-23 1994-08-04 Itt Ind Gmbh Deutsche Schaltung zur automatischen Verstärkungsregelung in MOS-Technik.
CH681499A5 (de) * 1990-10-30 1993-03-31 Ascom Audiosys Ag
US5079517A (en) * 1991-02-04 1992-01-07 Motorola, Inc. Circuit for DC control of a compressor
US5278912A (en) * 1991-06-28 1994-01-11 Resound Corporation Multiband programmable compression system
DE59107736D1 (de) * 1991-08-24 1996-05-30 Itt Ind Gmbh Deutsche Monolithisch integrierter Differenzverstärker mit digitaler Verstärkungseinstellung
US5389829A (en) * 1991-09-27 1995-02-14 Exar Corporation Output limiter for class-D BICMOS hearing aid output amplifier
US5247581A (en) * 1991-09-27 1993-09-21 Exar Corporation Class-d bicmos hearing aid output amplifier
EP0563421B1 (de) * 1992-03-31 1997-06-04 Siemens Audiologische Technik GmbH Schaltungsanordnung mit einem Schaltverstärker
JP2807853B2 (ja) * 1993-01-29 1998-10-08 リオン株式会社 出力回路
US5410592A (en) * 1993-06-04 1995-04-25 Harris Corporation Class `D` audio speaker amplifier circuit with state variable feedback control
US5410265A (en) * 1993-09-30 1995-04-25 Vimak Corporation Amplifier calibration apparatus and method therefor
US5432475A (en) * 1994-06-15 1995-07-11 Silicon Systems, Inc. Method of offset voltage trim for automatic gain controls

Also Published As

Publication number Publication date
EP0856209B1 (de) 2002-03-13
WO1997015114A1 (en) 1997-04-24
AU7447596A (en) 1997-05-07
US5838807A (en) 1998-11-17
DE69619840D1 (de) 2002-04-18
DK0856209T3 (da) 2002-05-21
EP0856209A1 (de) 1998-08-05

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Legal Events

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