ZA814433B - Networks for suppressing mid-frequency modulation effects in compressors,expanders and noise reduction systems - Google Patents

Networks for suppressing mid-frequency modulation effects in compressors,expanders and noise reduction systems

Info

Publication number
ZA814433B
ZA814433B ZA814433A ZA814433A ZA814433B ZA 814433 B ZA814433 B ZA 814433B ZA 814433 A ZA814433 A ZA 814433A ZA 814433 A ZA814433 A ZA 814433A ZA 814433 B ZA814433 B ZA 814433B
Authority
ZA
South Africa
Prior art keywords
expanders
compressors
networks
noise reduction
frequency modulation
Prior art date
Application number
ZA814433A
Inventor
R Dolby
Original Assignee
R Dolby
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 R Dolby filed Critical R Dolby
Publication of ZA814433B publication Critical patent/ZA814433B/en

Links

Classifications

    • 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
ZA814433A 1980-06-30 1981-06-30 Networks for suppressing mid-frequency modulation effects in compressors,expanders and noise reduction systems ZA814433B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US16395080A 1980-06-30 1980-06-30

Publications (1)

Publication Number Publication Date
ZA814433B true ZA814433B (en) 1982-07-28

Family

ID=22592330

Family Applications (3)

Application Number Title Priority Date Filing Date
ZA814433A ZA814433B (en) 1980-06-30 1981-06-30 Networks for suppressing mid-frequency modulation effects in compressors,expanders and noise reduction systems
ZA814429A ZA814429B (en) 1980-06-30 1981-06-30 Circuit arrangements for modifying dynamic range
ZA814423A ZA814423B (en) 1980-06-30 1981-06-30 Circuit arrangements for reducing media overload effects in signal recording and transmission systems

Family Applications After (2)

Application Number Title Priority Date Filing Date
ZA814429A ZA814429B (en) 1980-06-30 1981-06-30 Circuit arrangements for modifying dynamic range
ZA814423A ZA814423B (en) 1980-06-30 1981-06-30 Circuit arrangements for reducing media overload effects in signal recording and transmission systems

Country Status (3)

Country Link
JP (5) JPS5741015A (en)
BE (3) BE889427A (en)
ZA (3) ZA814433B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2111356B (en) * 1981-12-01 1985-03-20 Ray Milton Dolby Improvements in circuit arrangements for modifying dynamic range
GB2111355B (en) * 1981-12-01 1985-02-13 Ray Milton Dolby Improvements in circuit arrangements for modifying dynamic range
JPH061906B2 (en) * 1985-06-20 1994-01-05 三洋電機株式会社 De-emphasis circuit
US5311516A (en) * 1992-05-29 1994-05-10 Motorola, Inc. Paging system using message fragmentation to redistribute traffic
CA2113917C (en) * 1992-05-29 1999-09-21 Robert John Schwendeman Data communication receiver having variable length message carry-on

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1432763A (en) * 1972-05-02 1976-04-22 Dolby Laboratories Inc Compressors expanders and noise reduction systems
JPS5348112B2 (en) * 1973-05-02 1978-12-26
US3909733A (en) * 1973-05-17 1975-09-30 Dolby Laboratories Inc Dynamic range modifying circuits utilizing variable negative resistance
JPS553529Y2 (en) * 1975-02-03 1980-01-28

Also Published As

Publication number Publication date
JPH0359611B2 (en) 1991-09-11
ZA814423B (en) 1982-07-28
JPH0243381B2 (en) 1990-09-28
JPS5741015A (en) 1982-03-06
BE889426A (en) 1981-10-16
JPS5748835A (en) 1982-03-20
ZA814429B (en) 1982-07-28
JPS5741016A (en) 1982-03-06
JPH0359612B2 (en) 1991-09-11
BE889427A (en) 1981-10-16
JPS63119328A (en) 1988-05-24
JPH0245385B2 (en) 1990-10-09
JPS63119327A (en) 1988-05-24
BE889428A (en) 1981-10-16

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