NL192905C - Schakelingsinrichting voor het modificeren van de dynamiek-omvang van ingevoerde informatiesignalen. - Google Patents

Schakelingsinrichting voor het modificeren van de dynamiek-omvang van ingevoerde informatiesignalen. Download PDF

Info

Publication number
NL192905C
NL192905C NL8105776A NL8105776A NL192905C NL 192905 C NL192905 C NL 192905C NL 8105776 A NL8105776 A NL 8105776A NL 8105776 A NL8105776 A NL 8105776A NL 192905 C NL192905 C NL 192905C
Authority
NL
Netherlands
Prior art keywords
circuit
signal
circuits
path
input
Prior art date
Application number
NL8105776A
Other languages
English (en)
Dutch (nl)
Other versions
NL8105776A (nl
NL192905B (nl
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
Publication of NL8105776A publication Critical patent/NL8105776A/nl
Publication of NL192905B publication Critical patent/NL192905B/xx
Application granted granted Critical
Publication of NL192905C publication Critical patent/NL192905C/nl

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)
NL8105776A 1981-12-01 1981-12-22 Schakelingsinrichting voor het modificeren van de dynamiek-omvang van ingevoerde informatiesignalen. NL192905C (nl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US32552981A 1981-12-01 1981-12-01
US32552981 1981-12-01

Publications (3)

Publication Number Publication Date
NL8105776A NL8105776A (nl) 1983-07-01
NL192905B NL192905B (nl) 1997-12-01
NL192905C true NL192905C (nl) 1998-04-02

Family

ID=23268266

Family Applications (1)

Application Number Title Priority Date Filing Date
NL8105776A NL192905C (nl) 1981-12-01 1981-12-22 Schakelingsinrichting voor het modificeren van de dynamiek-omvang van ingevoerde informatiesignalen.

Country Status (10)

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

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
US4882762A (en) * 1988-02-23 1989-11-21 Resound Corporation Multi-band programmable compression system
US4882761A (en) * 1988-02-23 1989-11-21 Resound Corporation Low voltage programmable compressor
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
US3903485A (en) * 1968-01-10 1975-09-02 Ray Milton Dolby Compressors, expanders and noise reduction systems
US3846719A (en) * 1973-09-13 1974-11-05 Dolby Laboratories Inc 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
SE8107496L (sv) 1983-06-02
GB2111356B (en) 1985-03-20
DE3151213A1 (de) 1983-06-09
NL8105776A (nl) 1983-07-01
BE901907Q (fr) 1985-07-01
FR2517495A1 (fr) 1983-06-03
NL192905B (nl) 1997-12-01
GB2111356A (en) 1983-06-29
FR2517495B1 (fr) 1985-11-15
DE3153730C2 (sv) 1992-10-29
CA1177759A (en) 1984-11-13
CH656270A5 (de) 1986-06-13
KR890000333B1 (ko) 1989-03-14
KR830008463A (ko) 1983-11-18
DE3151213C2 (sv) 1992-11-19
SE449282B (sv) 1987-04-13
MY8700931A (en) 1987-12-31

Similar Documents

Publication Publication Date Title
US4701722A (en) Circuit arrangements for modifying dynamic range using series and parallel circuit techniques
JP2623247B2 (ja) 音声信号ダイナミツクレンジ改変用過渡特性制御回路
US4490691A (en) Compressor-expander circuits and, circuit arrangements for modifying dynamic range, for suppressing mid-frequency modulation effects and for reducing media overload
DK142738B (da) Kredsløb til ændring af et signals dynamikområde.
US4498060A (en) Circuit arrangements for modifying dynamic range using series arranged bi-linear circuits
NL192905C (nl) Schakelingsinrichting voor het modificeren van de dynamiek-omvang van ingevoerde informatiesignalen.
US4498055A (en) Circuit arrangements for modifying dynamic range
NL192860C (nl) Schakelingsinrichting voor het modificeren van de dynamiek-omvang van een ingangssignaal zoals bijvoorbeeld een audio-signaal.
EP0206732B1 (en) Circuit arrangements for modifying dynamic range using variable combining techniques
NL192906C (nl) Signaalniveaudetectieschakeling.
JPS5920205B2 (ja) 入力信号のダイナミツクレンジを変更するための回路
NL8100351A (nl) Schakeling voor ruisvermindering.
DK168806B1 (da) Kredsløbsarrangement til modifikation af dynamikområde
JPS58106922A (ja) ダイナミツクレンジ改変回路装置
JP2764205B2 (ja) ブートストラップ信号減衰回路
JPS5925521B2 (ja) 入力信号のダイナミツクレンジを変更するための回路
NL8200321A (nl) Signaal-expansie-inrichting.
JPS6338888B2 (sv)

Legal Events

Date Code Title Description
A85 Still pending on 85-01-01
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
V4 Lapsed because of reaching the maximum lifetime of a patent

Free format text: 20011222