ZA818220B - Circuit for dynamic compression and/or expansion - Google Patents

Circuit for dynamic compression and/or expansion

Info

Publication number
ZA818220B
ZA818220B ZA818220A ZA818220A ZA818220B ZA 818220 B ZA818220 B ZA 818220B ZA 818220 A ZA818220 A ZA 818220A ZA 818220 A ZA818220 A ZA 818220A ZA 818220 B ZA818220 B ZA 818220B
Authority
ZA
South Africa
Prior art keywords
path
useful signal
transmission factor
control voltage
point
Prior art date
Application number
ZA818220A
Other languages
English (en)
Inventor
Juergen Wermuth
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 ZA818220B publication Critical patent/ZA818220B/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

Landscapes

  • Multimedia (AREA)
  • Engineering & Computer Science (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Superconductors And Manufacturing Methods Therefor (AREA)
  • Steroid Compounds (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
  • Pulleys (AREA)
  • Soft Magnetic Materials (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Road Signs Or Road Markings (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
ZA818220A 1980-11-27 1981-11-26 Circuit for dynamic compression and/or expansion ZA818220B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19803044661 DE3044661A1 (de) 1980-11-27 1980-11-27 Schaltung zur dynamik-kompression und/oder -expansion

Publications (1)

Publication Number Publication Date
ZA818220B true ZA818220B (en) 1982-10-27

Family

ID=6117698

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA818220A ZA818220B (en) 1980-11-27 1981-11-26 Circuit for dynamic compression and/or expansion

Country Status (11)

Country Link
US (1) US4415866A (fr)
EP (1) EP0053303B1 (fr)
JP (1) JPS57116403A (fr)
AT (1) ATE18709T1 (fr)
AU (1) AU7790381A (fr)
BR (1) BR8107670A (fr)
DE (2) DE3044661A1 (fr)
DK (1) DK513881A (fr)
ES (1) ES507432A0 (fr)
NO (1) NO814003L (fr)
ZA (1) ZA818220B (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4600902A (en) * 1983-07-01 1986-07-15 Wegener Communications, Inc. Compandor noise reduction circuit
DE3525066C1 (de) * 1985-07-13 1986-11-06 ANT Nachrichtentechnik GmbH, 7150 Backnang Verstaerker mit steuerbarer Verstaerkung
US4934770A (en) * 1986-03-12 1990-06-19 Beltone Electronics Electronic compression system
GB8701365D0 (en) * 1987-01-22 1987-02-25 Thomas L D Signal level control
KR100202344B1 (ko) * 1990-03-26 1999-06-15 이데이 노부유끼 자동니제어회로
US20120262233A1 (en) * 2011-04-15 2012-10-18 Fairchild Semiconductor Corporation Mixed signal dynamic range compression

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1354777A (fr) * 1962-05-08 1964-03-13 Inst Francais Du Petrole Contrôle automatique de gain
US3789143A (en) * 1971-03-29 1974-01-29 D Blackmer Compander with control signal logarithmically related to the instantaneous rms value of the input signal
DE2406258C2 (de) * 1974-02-09 1976-01-08 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Schaltung zur automatischen Dynamik-Kompression oder -Expansion
US4038566A (en) * 1976-03-22 1977-07-26 Mcintosh Laboratory, Inc. Multiplier circuit
US4225794A (en) * 1978-09-25 1980-09-30 Buff Paul C Voltage controlled amplifier

Also Published As

Publication number Publication date
BR8107670A (pt) 1982-08-24
DE3174143D1 (en) 1986-04-24
NO814003L (no) 1982-05-28
JPS6339164B2 (fr) 1988-08-03
ATE18709T1 (de) 1986-04-15
EP0053303B1 (fr) 1986-03-19
JPS57116403A (en) 1982-07-20
DK513881A (da) 1982-05-28
US4415866A (en) 1983-11-15
ES8300422A1 (es) 1982-11-01
DE3044661A1 (de) 1982-06-24
ES507432A0 (es) 1982-11-01
EP0053303A2 (fr) 1982-06-09
AU7790381A (en) 1982-06-03
EP0053303A3 (en) 1983-03-16

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