BR7604059A - Circuito para compressao e expansao dinamica automatica - Google Patents

Circuito para compressao e expansao dinamica automatica

Info

Publication number
BR7604059A
BR7604059A BR7604059A BR7604059A BR7604059A BR 7604059 A BR7604059 A BR 7604059A BR 7604059 A BR7604059 A BR 7604059A BR 7604059 A BR7604059 A BR 7604059A BR 7604059 A BR7604059 A BR 7604059A
Authority
BR
Brazil
Prior art keywords
expansion
circuit
dynamic compression
automatic dynamic
automatic
Prior art date
Application number
BR7604059A
Other languages
English (en)
Inventor
G Dickopp
E 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 BR7604059A publication Critical patent/BR7604059A/pt

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/62—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for providing a predistortion of the signal in the transmitter and corresponding correction in the receiver, e.g. for improving the signal/noise ratio
    • H04B1/64—Volume compression or expansion arrangements
    • 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

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Recording Or Reproducing By Magnetic Means (AREA)
BR7604059A 1975-06-28 1976-06-23 Circuito para compressao e expansao dinamica automatica BR7604059A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2529012A DE2529012C3 (de) 1975-06-28 1975-06-28 Schaltung zur automatischen Dynamik-Kompression oder -Expansion

Publications (1)

Publication Number Publication Date
BR7604059A true BR7604059A (pt) 1977-07-05

Family

ID=5950233

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7604059A BR7604059A (pt) 1975-06-28 1976-06-23 Circuito para compressao e expansao dinamica automatica

Country Status (11)

Country Link
US (1) US4035739A (pt)
JP (1) JPS524755A (pt)
AT (1) AT363125B (pt)
BE (1) BE843495R (pt)
BR (1) BR7604059A (pt)
DE (1) DE2529012C3 (pt)
DK (1) DK245076A (pt)
ES (1) ES449247A2 (pt)
FR (1) FR2317821A2 (pt)
GB (1) GB1546394A (pt)
SE (1) SE406138B (pt)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2030826A (en) * 1977-09-27 1980-04-10 Licentia Gmbh Compression or expansion systems
DE2803751C2 (de) * 1978-01-28 1982-06-09 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Schaltung zur automatischen Dynamik- Kompression oder -Expansion
US4210874A (en) * 1978-10-23 1980-07-01 Raytheon Company Gain control amplifier circuit
JPS55158715A (en) * 1979-05-29 1980-12-10 Sony Corp Gain control circuit
DE2941961A1 (de) * 1979-10-17 1981-04-30 Krautkrämer GmbH, 5000 Köln Verfahren zur signalspannungsabhaengigen veraenderung des verstaerkungsfaktors
US4337445A (en) * 1981-01-21 1982-06-29 Sony Corporation Compander circuit which produces variable pre-emphasis and de-emphasis
FR2599580B1 (fr) * 1986-05-30 1988-09-23 Elison Sarl Dispositif de reduction du bruit de fond dans une chaine electroacoustique.
US4782285A (en) * 1986-11-03 1988-11-01 Tektronix, Inc. Variable resolution control system
US5518007A (en) * 1994-12-01 1996-05-21 Becker; Joseph H. Electrode locator
WO2009029782A1 (en) * 2007-08-31 2009-03-05 Analog Devices, Inc. Variable automatic limit control (alc) threshold for any desired compression curve
US8284971B2 (en) * 2008-11-21 2012-10-09 Envoy Medical Corporation Logarithmic compression systems and methods for hearing amplification

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL188373B (nl) * 1954-06-15 Philips Nv Afbuigjuk voor kleurentelevisiebeeldweergeefbuizen.
GB1338227A (en) * 1970-01-23 1973-11-21 Dalby Lab Inc Limiters for noise reduction systems
FR2109336A5 (pt) * 1970-10-13 1972-05-26 Thomson Csf

Also Published As

Publication number Publication date
DE2529012A1 (de) 1977-01-20
DE2529012C3 (de) 1980-07-03
AT363125B (de) 1981-07-10
ES449247A2 (es) 1977-08-16
DE2529012B2 (de) 1979-10-04
FR2317821B1 (pt) 1980-07-18
JPS524755A (en) 1977-01-14
SE7607248L (sv) 1976-12-29
BE843495R (fr) 1976-10-18
SE406138B (sv) 1979-01-22
AU1450876A (en) 1977-12-08
ATA454076A (de) 1980-12-15
FR2317821A2 (fr) 1977-02-04
US4035739A (en) 1977-07-12
GB1546394A (en) 1979-05-23
DK245076A (da) 1976-12-29

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