MY8500624A - Apparatus for compressing or expanding the dynamic range of an audio frequency signal - Google Patents

Apparatus for compressing or expanding the dynamic range of an audio frequency signal

Info

Publication number
MY8500624A
MY8500624A MY624/85A MY8500624A MY8500624A MY 8500624 A MY8500624 A MY 8500624A MY 624/85 A MY624/85 A MY 624/85A MY 8500624 A MY8500624 A MY 8500624A MY 8500624 A MY8500624 A MY 8500624A
Authority
MY
Malaysia
Prior art keywords
compressing
expanding
frequency signal
dynamic range
audio frequency
Prior art date
Application number
MY624/85A
Other languages
English (en)
Inventor
Ernst Schroder
Original Assignee
Licentia Gmbh
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 Licentia Gmbh filed Critical Licentia Gmbh
Publication of MY8500624A publication Critical patent/MY8500624A/xx

Links

Classifications

    • 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
    • H03G9/00—Combinations of two or more types of control, e.g. gain control and tone control
    • H03G9/02—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers
    • H03G9/025—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers frequency-dependent volume compression or expansion, e.g. multiple-band systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
MY624/85A 1978-03-22 1985-12-30 Apparatus for compressing or expanding the dynamic range of an audio frequency signal MY8500624A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19782812431 DE2812431A1 (de) 1978-03-22 1978-03-22 Verstaerker mit veraenderbarem uebertragungsmass

Publications (1)

Publication Number Publication Date
MY8500624A true MY8500624A (en) 1985-12-31

Family

ID=6035118

Family Applications (1)

Application Number Title Priority Date Filing Date
MY624/85A MY8500624A (en) 1978-03-22 1985-12-30 Apparatus for compressing or expanding the dynamic range of an audio frequency signal

Country Status (9)

Country Link
US (1) US4270103A (de)
JP (1) JPS54128248A (de)
AU (1) AU518353B2 (de)
DE (1) DE2812431A1 (de)
GB (1) GB2017458B (de)
HK (1) HK68784A (de)
IT (1) IT1111123B (de)
MY (1) MY8500624A (de)
SG (1) SG22484G (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55156412A (en) * 1979-05-24 1980-12-05 Sony Corp Gain control circuit
DE2941961A1 (de) * 1979-10-17 1981-04-30 Krautkrämer GmbH, 5000 Köln Verfahren zur signalspannungsabhaengigen veraenderung des verstaerkungsfaktors
DE3047766A1 (de) * 1980-12-18 1982-07-15 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Schaltung mit veraenderbarem uebertragungsmass
DE3364785D1 (en) * 1982-01-15 1986-09-04 Telefunken Fernseh & Rundfunk Circuit arrangement for generating a d.c. control voltage dependent upon an a.c. voltage
EP0298959B1 (de) * 1986-04-03 1992-08-12 Motorola, Inc. Ukw-empfänger mit rauschunterdrückung beim empfang von signalen mit "raleigh"-überblendung
US5226178A (en) * 1989-11-01 1993-07-06 Motorola, Inc. Compatible noise reduction system
US8391153B2 (en) * 2006-02-17 2013-03-05 Cisco Technology, Inc. Decoupling radio resource management from an access gateway
CN101496387B (zh) 2006-03-06 2012-09-05 思科技术公司 用于移动无线网络中的接入认证的***和方法
US7675704B2 (en) * 2006-03-09 2010-03-09 Texas Instruments Incorporated Magnetoresistive head preamplifier circuit with programmable input impedance

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA955532A (en) * 1971-04-16 1974-10-01 Masao Tomita Automatic noise reduction system
NO142768C (no) * 1974-01-26 1980-10-08 Licentia Gmbh Kopling for automatisk dynamikk-kompresjon eller -ekspansjon
DE2619192A1 (de) * 1976-04-30 1977-11-17 Licentia Gmbh Schaltung zur automatischen dynamik-kompression oder -expansion
DE2707609A1 (de) * 1977-02-22 1978-08-24 Licentia Gmbh In seiner verstaerkung steuerbarer wechselspannungsverstaerker

Also Published As

Publication number Publication date
SG22484G (en) 1985-01-04
IT1111123B (it) 1986-01-13
HK68784A (en) 1984-09-14
GB2017458A (en) 1979-10-03
AU518353B2 (en) 1981-09-24
US4270103A (en) 1981-05-26
AU4514679A (en) 1979-09-27
DE2812431A1 (de) 1979-09-27
GB2017458B (en) 1982-04-07
IT7920670A0 (it) 1979-03-01
JPS54128248A (en) 1979-10-04

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