SG4585G - Circuit arrangements for modifying dynamic range - Google Patents

Circuit arrangements for modifying dynamic range

Info

Publication number
SG4585G
SG4585G SG45/85A SG4585A SG4585G SG 4585 G SG4585 G SG 4585G SG 45/85 A SG45/85 A SG 45/85A SG 4585 A SG4585 A SG 4585A SG 4585 G SG4585 G SG 4585G
Authority
SG
Singapore
Prior art keywords
dynamic range
circuit arrangements
modifying dynamic
modifying
arrangements
Prior art date
Application number
SG45/85A
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 SG4585G publication Critical patent/SG4585G/en

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G7/00—Volume compression or expansion in amplifiers
    • 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
    • H03G9/12—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers having semiconductor devices
    • H03G9/18—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers having semiconductor devices for tone control and volume expansion or compression
SG45/85A 1980-06-30 1985-01-16 Circuit arrangements for modifying dynamic range SG4585G (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US16395080A 1980-06-30 1980-06-30
US18077180A 1980-08-22 1980-08-22

Publications (1)

Publication Number Publication Date
SG4585G true SG4585G (en) 1985-06-14

Family

ID=26860115

Family Applications (3)

Application Number Title Priority Date Filing Date
SG42/85A SG4285G (en) 1980-06-30 1985-01-16 Circuit arrangements for reducing media overload effects in signal recording and transmission systems
SG43/85A SG4385G (en) 1980-06-30 1985-01-16 Networks for suppressing mid-frequency modulation effects in compressors,expanders and noise reduction systems
SG45/85A SG4585G (en) 1980-06-30 1985-01-16 Circuit arrangements for modifying dynamic range

Family Applications Before (2)

Application Number Title Priority Date Filing Date
SG42/85A SG4285G (en) 1980-06-30 1985-01-16 Circuit arrangements for reducing media overload effects in signal recording and transmission systems
SG43/85A SG4385G (en) 1980-06-30 1985-01-16 Networks for suppressing mid-frequency modulation effects in compressors,expanders and noise reduction systems

Country Status (17)

Country Link
KR (4) KR880000105B1 (en)
AT (3) AT372796B (en)
AU (3) AU546641B2 (en)
BR (3) BR8104158A (en)
CH (3) CH662684A5 (en)
DE (3) DE3125788A1 (en)
DK (3) DK156356C (en)
ES (3) ES8301084A1 (en)
FI (3) FI74368C (en)
GB (3) GB2079112B (en)
HK (3) HK28385A (en)
IT (3) IT1137985B (en)
MY (3) MY8501149A (en)
NL (3) NL189988C (en)
NO (3) NO157400C (en)
SE (3) SE447525B (en)
SG (3) SG4285G (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4736433A (en) * 1985-06-17 1988-04-05 Dolby Ray Milton Circuit arrangements for modifying dynamic range using action substitution and superposition techniques
US4815068A (en) * 1987-08-07 1989-03-21 Dolby Ray Milton Audio encoder for use with more than one decoder each having different characteristics
US5651028A (en) * 1995-05-09 1997-07-22 Unisys Corporation Data transmission system with a low peak-to-average power ratio based on distorting frequently occuring signals
US5793797A (en) * 1995-05-09 1998-08-11 Unisys Corporation Data transmisson system with a low peak-to-average power ratio based on distorting small amplitude signals
DE10011193B4 (en) * 2000-03-08 2004-02-05 Sennheiser Electronic Gmbh & Co. Kg Compander system with a compressor circuit and an expander circuit

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US28426A (en) * 1860-05-22 Shortening tires
US2558002A (en) * 1939-10-24 1951-06-26 Int Standard Electric Corp Volume compression system
US3022473A (en) * 1959-08-18 1962-02-20 Bell Telephone Labor Inc Signal recovery circuits
GB1253031A (en) * 1968-01-10 1971-11-10
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
FI57502C (en) * 1971-04-06 1980-08-11 Victor Company Of Japan KOMPRESSIONS- OCH EXPANSIONSSYSTEM
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
US3971405A (en) * 1974-07-15 1976-07-27 Parker-Hannifin Corporation Pressure controlled hydrant valve coupler
US3930208A (en) * 1974-08-29 1975-12-30 Northern Electric Co A-C signal processing circuits for compandors
US3902131A (en) * 1974-09-06 1975-08-26 Quadracast Systems Tandem audio dynamic range expander
JPS51127608A (en) * 1975-04-30 1976-11-06 Victor Co Of Japan Ltd Signal transmitting unit
US4061874A (en) * 1976-06-03 1977-12-06 Fricke J P System for reproducing sound information
DE2803751C2 (en) * 1978-01-28 1982-06-09 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Circuit for automatic dynamic compression or expansion
JPS5552971A (en) * 1978-10-16 1980-04-17 Mitsubishi Electric Corp Simulator for radar indicator

Also Published As

Publication number Publication date
IT1137986B (en) 1986-09-10
CH662684A5 (en) 1987-10-15
DE3125790C2 (en) 1992-11-12
SE8104062L (en) 1981-12-31
NL8103124A (en) 1982-01-18
KR830006992A (en) 1983-10-12
KR840002492B1 (en) 1984-12-31
ATA291481A (en) 1987-12-15
NL189988B (en) 1993-04-16
CH654703A5 (en) 1986-02-28
SG4285G (en) 1985-06-14
MY8501149A (en) 1985-12-31
ES503493A0 (en) 1982-10-01
NL190214C (en) 1993-12-01
NO157400C (en) 1988-03-09
NL192652B (en) 1997-07-01
NO157400B (en) 1987-11-30
FI74368B (en) 1987-09-30
SE447524B (en) 1986-11-17
HK28385A (en) 1985-04-12
NO812216L (en) 1982-01-04
AU545125B2 (en) 1985-07-04
BR8104156A (en) 1982-03-16
FI74368C (en) 1988-01-11
FI812025L (en) 1981-12-31
FI812024L (en) 1981-12-31
DK282981A (en) 1981-12-31
NO157398C (en) 1988-03-09
DE3125790A1 (en) 1982-05-13
AT386911B (en) 1988-11-10
SE447525B (en) 1986-11-17
AT386304B (en) 1988-08-10
AT372796B (en) 1983-11-10
ES503497A0 (en) 1982-11-01
KR840002491B1 (en) 1984-12-31
BR8104158A (en) 1982-03-16
NO157399B (en) 1987-11-30
AU7236581A (en) 1982-01-07
KR830006993A (en) 1983-10-12
AU544888B2 (en) 1985-06-20
DK168806B1 (en) 1994-06-13
AU7239381A (en) 1982-01-07
DK156356B (en) 1989-08-07
IT8122651A0 (en) 1981-06-30
NL189988C (en) 1993-09-16
DK172325B1 (en) 1998-03-16
DE3125789C2 (en) 1984-01-12
ES8204255A1 (en) 1982-04-16
NO812218L (en) 1982-01-04
FI76456C (en) 1988-10-10
KR880000105B1 (en) 1988-02-23
DE3125788C2 (en) 1992-06-11
DK282581A (en) 1981-12-31
GB2079113B (en) 1984-10-03
GB2079114B (en) 1984-10-03
KR880000106B1 (en) 1988-02-23
NL190214B (en) 1993-07-01
GB2079114A (en) 1982-01-13
MY8501147A (en) 1985-12-31
GB2079113A (en) 1982-01-13
ATA291581A (en) 1983-03-15
IT1137985B (en) 1986-09-10
SE450985B (en) 1987-09-07
NL8103122A (en) 1982-01-18
ES8301084A1 (en) 1982-11-01
IT8122650A0 (en) 1981-06-30
DE3125789A1 (en) 1982-05-19
HK28485A (en) 1985-04-12
FI812026L (en) 1981-12-31
ES503496A0 (en) 1982-04-16
GB2079112B (en) 1984-10-03
CH660653A5 (en) 1987-05-15
IT8122652A0 (en) 1981-06-30
HK28285A (en) 1985-04-12
DE3125788A1 (en) 1982-05-13
NO157398B (en) 1987-11-30
ATA291681A (en) 1988-03-15
FI76456B (en) 1988-06-30
FI79428B (en) 1989-08-31
FI79428C (en) 1989-12-11
NL192652C (en) 1997-11-04
DK282881A (en) 1981-12-31
SG4385G (en) 1985-06-14
ES8300233A1 (en) 1982-10-01
AU546641B2 (en) 1985-09-12
AU7239481A (en) 1982-01-07
NO157399C (en) 1988-03-09
NL8103123A (en) 1982-01-18
MY8501148A (en) 1985-12-31
DK156356C (en) 1989-12-27
IT1137987B (en) 1986-09-10
GB2079112A (en) 1982-01-13
SE8104061L (en) 1981-12-31
BR8104157A (en) 1982-03-16
SE8104063L (en) 1981-12-31
NO812217L (en) 1982-01-04

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