CA2190787A1 - 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

Info

Publication number
CA2190787A1
CA2190787A1 CA2190787A CA2190787A CA2190787A1 CA 2190787 A1 CA2190787 A1 CA 2190787A1 CA 2190787 A CA2190787 A CA 2190787A CA 2190787 A CA2190787 A CA 2190787A CA 2190787 A1 CA2190787 A1 CA 2190787A1
Authority
CA
Canada
Prior art keywords
amplifier
gain
output
gain control
compression
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.)
Granted
Application number
CA2190787A
Other languages
English (en)
Other versions
CA2190787C (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

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00Electric hearing aids
    • H04R25/35Electric hearing aids using translation techniques
    • H04R25/356Amplitude, e.g. amplitude shift or compression
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00Electric hearing aids
    • H04R25/50Customised settings for obtaining desired overall acoustical characteristics
    • H04R25/502Customised 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 true CA2190787A1 (fr) 1998-05-20
CA2190787C 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
US7639761B2 (en) 2002-03-04 2009-12-29 Glowlink Communications Technology, Inc. Detecting and measuring interference contained within a digital carrier
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
EP0844805A1 (fr) 1998-05-27
JPH10200352A (ja) 1998-07-31
AU7403196A (en) 1998-06-04
CA2190787C (fr) 2000-02-01

Similar Documents

Publication Publication Date Title
CA2157255A1 (fr) Amplificateur a correction aval et linearite etendue
AU594071B2 (en) Automatic gain control for hearing aid
US5862238A (en) Hearing aid having input and output gain compression circuits
AU6397199A (en) Hearing aids based on models of cochlear compression
MX9602253A (es) Metodo y aparato para amplificar una señal.
CA2298928A1 (fr) Boucle de commande lineaire de puissance
DK0591441T3 (da) Forbedret programmerbart flerbåndskompressionssystem
DE69431037D1 (de) Hörgerät mit mikrofonumschaltungssystem
EP0967592A3 (fr) Systeme antisonique actif a gain variable et a detection ameliorée de bruits residuels
EP0385713A3 (fr) Dispositif de réception à réduction de bruit
EP0317759A3 (fr) Circuit de retard réglable
DE69712801D1 (de) Dynamische automatische verstärkungssteuerung in einem hörhilfegerät
CA2268918A1 (fr) Systemes de compression pour protheses auditives
EP0817374A3 (fr) Système audio
US4475230A (en) Hearing aid
CA2190787A1 (fr) Un amplificateur a compression de gain dote d'une fonction de compression lineaire
WO2003075452A3 (fr) Procede de reglage du gain et de la consommation de courant dans un circuit amplificateur de puissance avec conservation de la linearite
CA2192498A1 (fr) Dispositif adjoint a un microphone pour reduire le bruit de fond
CA2189712A1 (fr) Dispositif d'amplification a gain variable
ES472355A1 (es) Disposicion de conexion para la compresion y-o expansion automatica, dinamica, aplicable a aparatos de telecomunica- cion
EP1296450A3 (fr) Amplificateur comportant un limiteur
WO1996038907A3 (fr) Amplificateurs-limiteurs a frequence intermediaire
CA2053124A1 (fr) Circuit de detection de paroles
CA2034176A1 (fr) Prothese auditive
TW275164B (en) Precision current mirror circuit

Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed