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
Other languages
English (en)
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/xx

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
ZA814423A ZA814423B (en) 1980-06-30 1981-06-30 Circuit arrangements for reducing media overload effects in signal recording and transmission systems
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

Family Applications Before (1)

Application Number Title Priority Date Filing Date
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 (1)

Application Number Title Priority Date Filing Date
ZA814429A ZA814429B (en) 1980-06-30 1981-06-30 Circuit arrangements for modifying dynamic range

Country Status (3)

Country Link
JP (5) JPS5748835A (xx)
BE (3) BE889428A (xx)
ZA (3) ZA814423B (xx)

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 (ja) * 1985-06-20 1994-01-05 三洋電機株式会社 デエンフアシス回路
US5311516A (en) * 1992-05-29 1994-05-10 Motorola, Inc. Paging system using message fragmentation to redistribute traffic
EP0597064B1 (en) * 1992-05-29 2001-10-04 Motorola, Inc. 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 (xx) * 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 (xx) * 1975-02-03 1980-01-28

Also Published As

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

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