DK575681A - CIRCUIT ARRANGEMENTS FOR MODIFICATION OF DYNAMIC AREA - Google Patents

CIRCUIT ARRANGEMENTS FOR MODIFICATION OF DYNAMIC AREA

Info

Publication number
DK575681A
DK575681A DK575681A DK575681A DK575681A DK 575681 A DK575681 A DK 575681A DK 575681 A DK575681 A DK 575681A DK 575681 A DK575681 A DK 575681A DK 575681 A DK575681 A DK 575681A
Authority
DK
Denmark
Prior art keywords
modification
circuit arrangements
dynamic area
dynamic
area
Prior art date
Application number
DK575681A
Other languages
Danish (da)
Inventor
Ray M Dolby
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
Priority claimed from US06/325,530 external-priority patent/US4498055A/en
Application filed by Dolby Ray Milton filed Critical Dolby Ray Milton
Publication of DK575681A publication Critical patent/DK575681A/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
    • 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
DK575681A 1981-12-01 1981-12-23 CIRCUIT ARRANGEMENTS FOR MODIFICATION OF DYNAMIC AREA DK575681A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/325,530 US4498055A (en) 1981-09-10 1981-12-01 Circuit arrangements for modifying dynamic range

Publications (1)

Publication Number Publication Date
DK575681A true DK575681A (en) 1983-06-02

Family

ID=23268273

Family Applications (1)

Application Number Title Priority Date Filing Date
DK575681A DK575681A (en) 1981-12-01 1981-12-23 CIRCUIT ARRANGEMENTS FOR MODIFICATION OF DYNAMIC AREA

Country Status (15)

Country Link
KR (1) KR900000483B1 (en)
BE (1) BE901906Q (en)
CA (1) CA1188996A (en)
CH (1) CH656996A5 (en)
DE (1) DE3151137A1 (en)
DK (1) DK575681A (en)
ES (1) ES8303848A1 (en)
FR (1) FR2517496B1 (en)
GB (1) GB2111355B (en)
GR (1) GR77317B (en)
IE (1) IE52495B1 (en)
IT (1) IT1140402B (en)
LU (1) LU83854A1 (en)
NL (1) NL192860C (en)
SE (1) SE449281B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4922535A (en) * 1986-03-03 1990-05-01 Dolby Ray Milton Transient control aspects of circuit arrangements for altering the dynamic range of audio signals
CA1269138A (en) * 1986-03-03 1990-05-15 Ray Milton Dolby Attenuator circuit employing bootstrapping
JP2764205B2 (en) * 1986-03-03 1998-06-11 レ−・ミルトン・ドルビ Bootstrap signal attenuation circuit
GB2429779A (en) * 2005-09-01 2007-03-07 Geo Kingsbury Machine Tools Lt Testing components of drive trains

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1120541A (en) * 1965-08-11 1968-07-17 Dolby Ray Milton Improvements in noise reduction systems
US3665345A (en) * 1969-07-21 1972-05-23 Dolby Laboratories Inc Compressors and expanders for noise reduction systems
FI57502C (en) * 1971-04-06 1980-08-11 Victor Company Of Japan KOMPRESSIONS- OCH EXPANSIONSSYSTEM
US4101849A (en) * 1976-11-08 1978-07-18 Dbx, Inc. Adaptive filter
BE889427A (en) * 1980-06-30 1981-10-16 Dolby Ray Milton CIRCUIT FOR SUPPRESSING MODULATION EFFECTS IN COMPRESSORS, EXPANDERS AND NOISE REDUCTION DEVICES

Also Published As

Publication number Publication date
NL192860B (en) 1997-11-03
IT1140402B (en) 1986-09-24
GB2111355B (en) 1985-02-13
GR77317B (en) 1984-09-11
IT8125877A0 (en) 1981-12-29
GB2111355A (en) 1983-06-29
ES508394A0 (en) 1983-02-01
BE901906Q (en) 1985-07-01
ES8303848A1 (en) 1983-02-01
IE52495B1 (en) 1987-11-25
NL192860C (en) 1998-03-04
CA1188996A (en) 1985-06-18
SE8107495L (en) 1983-06-02
IE812951L (en) 1983-06-01
LU83854A1 (en) 1982-05-07
FR2517496A1 (en) 1983-06-03
NL8105775A (en) 1983-07-01
KR900000483B1 (en) 1990-01-30
DE3151137C2 (en) 1993-04-01
CH656996A5 (en) 1986-07-31
KR830008462A (en) 1983-11-18
DE3151137A1 (en) 1983-07-14
SE449281B (en) 1987-04-13
FR2517496B1 (en) 1985-11-15

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Legal Events

Date Code Title Description
AHS Application shelved for other reasons than non-payment