CA2190787C - Un amplificateur a compression de gain dote d'une fonction de compression lineaire - Google Patents

Un amplificateur a compression de gain dote d'une fonction de compression lineaire Download PDF

Info

Publication number
CA2190787C
CA2190787C CA002190787A CA2190787A CA2190787C CA 2190787 C CA2190787 C CA 2190787C CA 002190787 A CA002190787 A CA 002190787A CA 2190787 A CA2190787 A CA 2190787A CA 2190787 C CA2190787 C CA 2190787C
Authority
CA
Canada
Prior art keywords
output
amplifier
signal
gain
gain control
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
CA002190787A
Other languages
English (en)
Other versions
CA2190787A1 (fr
Inventor
Jeremy A. Agnew
Jerry R. Wahl
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.)
Starkey Laboratories Inc
Original Assignee
Starkey Laboratories 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 Starkey Laboratories Inc filed Critical Starkey Laboratories Inc
Priority to CA002190787A priority Critical patent/CA2190787C/fr
Priority to EP96650053A priority patent/EP0844805A1/fr
Priority to AU74031/96A priority patent/AU7403196A/en
Priority to JP8351602A priority patent/JPH10200352A/ja
Publication of CA2190787A1 publication Critical patent/CA2190787A1/fr
Application granted granted Critical
Publication of CA2190787C publication Critical patent/CA2190787C/fr
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
    • 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
    • H04R25/50—Customised settings for obtaining desired overall acoustical characteristics
    • H04R25/502—Customised settings for obtaining desired overall acoustical characteristics using analog signal processing

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Neurosurgery (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Control Of Amplification And Gain Control (AREA)
CA002190787A 1996-11-20 1996-11-20 Un amplificateur a compression de gain dote d'une fonction de compression lineaire Expired - Fee Related CA2190787C (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CA002190787A CA2190787C (fr) 1996-11-20 1996-11-20 Un amplificateur a compression de gain dote d'une fonction de compression lineaire
EP96650053A EP0844805A1 (fr) 1996-11-20 1996-11-25 Amplificateur à compression du signal
AU74031/96A AU7403196A (en) 1996-11-20 1996-11-27 A gain compression amplifier providing a linear compression function
JP8351602A JPH10200352A (ja) 1996-11-20 1996-12-27 利得圧縮増幅器及び補聴器

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CA002190787A CA2190787C (fr) 1996-11-20 1996-11-20 Un amplificateur a compression de gain dote d'une fonction de compression lineaire
EP96650053A EP0844805A1 (fr) 1996-11-20 1996-11-25 Amplificateur à compression du signal
AU74031/96A AU7403196A (en) 1996-11-20 1996-11-27 A gain compression amplifier providing a linear compression function
JP8351602A JPH10200352A (ja) 1996-11-20 1996-12-27 利得圧縮増幅器及び補聴器

Publications (2)

Publication Number Publication Date
CA2190787A1 CA2190787A1 (fr) 1998-05-20
CA2190787C true CA2190787C (fr) 2000-02-01

Family

ID=27423807

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002190787A Expired - Fee Related CA2190787C (fr) 1996-11-20 1996-11-20 Un amplificateur a compression de gain dote d'une fonction de compression lineaire

Country Status (4)

Country Link
EP (1) EP0844805A1 (fr)
JP (1) JPH10200352A (fr)
AU (1) AU7403196A (fr)
CA (1) CA2190787C (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2446301C (fr) * 2001-05-04 2009-10-27 Glowlink Communications Technology Procede et appareil de controle et de commande de compression de gain dans un signal emis
WO2003077488A1 (fr) 2002-03-04 2003-09-18 Glowlink Communications Technology, Inc. Detection et mesure des interferences contenues dans une porteuse numerique
US7120392B2 (en) 2002-10-11 2006-10-10 Glowlink Communications Technology, Inc. Uplink power control using loopback communications carriers
JP2006162463A (ja) * 2004-12-08 2006-06-22 Takenaka Engineering Co Ltd 人体検知器
JP2008048067A (ja) * 2006-08-11 2008-02-28 Matsushita Electric Works Ltd 補聴器
DE102006046403A1 (de) * 2006-09-29 2008-04-03 Robert Bosch Gmbh Schaltungsanordnung für ein mikromechanisches Sensorelement mit einer Kondensatoranordnung
JP5510559B2 (ja) * 2010-12-20 2014-06-04 株式会社ニコン 音声制御装置および撮像装置
US20120262233A1 (en) * 2011-04-15 2012-10-18 Fairchild Semiconductor Corporation Mixed signal dynamic range compression
US9301068B2 (en) 2011-10-19 2016-03-29 Cochlear Limited Acoustic prescription rule based on an in situ measured dynamic range

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1183580A (fr) * 1982-02-19 1985-03-05 Linear Technology Inc. Detecteur d'amplitude de crete
US5128566A (en) * 1989-11-03 1992-07-07 Etymotic Research, Inc. Variable attenuator circuit

Also Published As

Publication number Publication date
CA2190787A1 (fr) 1998-05-20
AU7403196A (en) 1998-06-04
JPH10200352A (ja) 1998-07-31
EP0844805A1 (fr) 1998-05-27

Similar Documents

Publication Publication Date Title
US5822442A (en) Gain compression amplfier providing a linear compression function
US5862238A (en) Hearing aid having input and output gain compression circuits
US4405831A (en) Apparatus for selective noise suppression for hearing aids
EP0237203A2 (fr) Circuit pour prothèse auditive
CA1295044C (fr) Systeme de compression programmable multibande
JP2641619B2 (ja) 高忠実度補聴器増幅装置
US20120221329A1 (en) Speech enhancement method and system
EP0964539A3 (fr) Récepteur capable de fournir un signal de sortie de haute qualité indépendamment du niveau du signal d'entrée
US4926139A (en) Electronic frequency filter
JPS62180700A (ja) 信号プロセツサ及び補聴器
US4952867A (en) Base bias current compensator
CA2190787C (fr) Un amplificateur a compression de gain dote d'une fonction de compression lineaire
US6266423B1 (en) Microphone output limiter
US4922131A (en) Differential voltage threshold detector
US4934770A (en) Electronic compression system
US4543453A (en) Electronic hearing aid control circuit
US6081603A (en) Method and apparatus for automatic gain control using a linear limiter circuit with voltage controlled resistors as a variable element
US5404115A (en) Variable gain amplifier
CN1839662B (zh) 助听器
EP0844804A1 (fr) Circuit à faible distorsion pour prothèse auditive
KR100367775B1 (ko) 저입력신호대역폭압축기와증폭기제어회로
AU3702702A (en) A gain compression amplifier providing a linear compression function
US4617536A (en) Amplitude modulation apparatus and method
CA1199080A (fr) Systeme de commande de volume audio
KR100301805B1 (ko) 신호압축장치

Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed