BE901907Q - Perfectionnements a des montages permettant de modifier une gamme dynamique. - Google Patents

Perfectionnements a des montages permettant de modifier une gamme dynamique.

Info

Publication number
BE901907Q
BE901907Q BE0/214627A BE214627A BE901907Q BE 901907 Q BE901907 Q BE 901907Q BE 0/214627 A BE0/214627 A BE 0/214627A BE 214627 A BE214627 A BE 214627A BE 901907 Q BE901907 Q BE 901907Q
Authority
BE
Belgium
Prior art keywords
circuit
mountings
modifying
signal channel
dynamic range
Prior art date
Application number
BE0/214627A
Other languages
English (en)
French (fr)
Original Assignee
Dolby Ray Milton
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 Dolby Ray Milton filed Critical Dolby Ray Milton
Application granted granted Critical
Publication of BE901907Q publication Critical patent/BE901907Q/fr

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G7/00—Volume compression or expansion in amplifiers
    • H03G7/06—Volume compression or expansion in amplifiers having semiconductor devices
    • H03G7/08—Volume compression or expansion in amplifiers having semiconductor devices incorporating negative feedback
    • 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
    • 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
    • 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

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)
BE0/214627A 1981-12-01 1985-03-08 Perfectionnements a des montages permettant de modifier une gamme dynamique. BE901907Q (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US32552981A 1981-12-01 1981-12-01

Publications (1)

Publication Number Publication Date
BE901907Q true BE901907Q (fr) 1985-07-01

Family

ID=23268266

Family Applications (1)

Application Number Title Priority Date Filing Date
BE0/214627A BE901907Q (fr) 1981-12-01 1985-03-08 Perfectionnements a des montages permettant de modifier une gamme dynamique.

Country Status (10)

Country Link
KR (1) KR890000333B1 (nl)
BE (1) BE901907Q (nl)
CA (1) CA1177759A (nl)
CH (1) CH656270A5 (nl)
DE (2) DE3153730C2 (nl)
FR (1) FR2517495B1 (nl)
GB (1) GB2111356B (nl)
MY (1) MY8700931A (nl)
NL (1) NL192905C (nl)
SE (1) SE449282B (nl)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3343225A1 (de) * 1983-11-30 1985-06-05 Telefunken Fernseh Und Rundfunk Gmbh, 3000 Hannover Rundfunkempfangsgeraet
US4815068A (en) * 1987-08-07 1989-03-21 Dolby Ray Milton Audio encoder for use with more than one decoder each having different characteristics
US4882761A (en) * 1988-02-23 1989-11-21 Resound Corporation Low voltage programmable compressor
US4882762A (en) * 1988-02-23 1989-11-21 Resound Corporation Multi-band programmable compression system
US5278912A (en) * 1991-06-28 1994-01-11 Resound Corporation Multiband programmable compression system

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US28426A (en) * 1860-05-22 Shortening tires
US3846719A (en) * 1973-09-13 1974-11-05 Dolby Laboratories Inc Noise reduction systems
US3903485A (en) * 1968-01-10 1975-09-02 Ray Milton Dolby Compressors, expanders and noise reduction systems
USRE28426E (en) * 1968-11-01 1975-05-20 Signal compressors and expanders
US3757254A (en) * 1970-06-05 1973-09-04 Victor Co Ltd N system noise reduction system and apparatus using a compression and expansio
GB1390341A (en) * 1971-03-12 1975-04-09 Dolby Laboratories Inc Signal compressors and expanders
GB1432763A (en) * 1972-05-02 1976-04-22 Dolby Laboratories Inc Compressors expanders and noise reduction systems
US3875537A (en) * 1972-05-02 1975-04-01 Dolby Laboratories Inc Circuits for modifying the dynamic range of an input signal
US3934190A (en) * 1972-09-15 1976-01-20 Dolby Laboratories, Inc. Signal compressors and expanders
US3909733A (en) * 1973-05-17 1975-09-30 Dolby Laboratories Inc Dynamic range modifying circuits utilizing variable negative resistance
JPS51127608A (en) * 1975-04-30 1976-11-06 Victor Co Of Japan Ltd Signal transmitting unit
JPS5552971A (en) * 1978-10-16 1980-04-17 Mitsubishi Electric Corp Simulator for radar indicator
BE889426A (fr) * 1980-06-30 1981-10-16 Dolby Ray Milton Circuit de reduction des effets de la surcharge d'un support d'enregistrement ou de transmission de signaux
US4498060A (en) * 1981-12-01 1985-02-05 Dolby Ray Milton Circuit arrangements for modifying dynamic range using series arranged bi-linear circuits

Also Published As

Publication number Publication date
NL192905C (nl) 1998-04-02
KR830008463A (ko) 1983-11-18
GB2111356A (en) 1983-06-29
DE3151213C2 (nl) 1992-11-19
SE8107496L (sv) 1983-06-02
CH656270A5 (de) 1986-06-13
MY8700931A (en) 1987-12-31
SE449282B (sv) 1987-04-13
DE3153730C2 (nl) 1992-10-29
FR2517495B1 (fr) 1985-11-15
GB2111356B (en) 1985-03-20
DE3151213A1 (de) 1983-06-09
CA1177759A (en) 1984-11-13
NL8105776A (nl) 1983-07-01
NL192905B (nl) 1997-12-01
FR2517495A1 (fr) 1983-06-03
KR890000333B1 (ko) 1989-03-14

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Legal Events

Date Code Title Description
RE20 Patent expired

Owner name: *RAY MILTON DOLBY

Effective date: 20050308

RE20 Patent expired

Owner name: *RAY MILTON DOLBY

Effective date: 20050308