NL192860B - Circuit arrangement for modifying the dynamics magnitude of an input signal such as, for example, an audio signal. - Google Patents

Circuit arrangement for modifying the dynamics magnitude of an input signal such as, for example, an audio signal.

Info

Publication number
NL192860B
NL192860B NL8105775A NL8105775A NL192860B NL 192860 B NL192860 B NL 192860B NL 8105775 A NL8105775 A NL 8105775A NL 8105775 A NL8105775 A NL 8105775A NL 192860 B NL192860 B NL 192860B
Authority
NL
Netherlands
Prior art keywords
modifying
circuit arrangement
input signal
audio signal
dynamics
Prior art date
Application number
NL8105775A
Other languages
Dutch (nl)
Other versions
NL8105775A (en
NL192860C (en
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 NL8105775A publication Critical patent/NL8105775A/en
Publication of NL192860B publication Critical patent/NL192860B/en
Application granted granted Critical
Publication of NL192860C publication Critical patent/NL192860C/en

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
    • H03G9/12—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
    • 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
NL8105775A 1981-12-01 1981-12-22 Circuit arrangement for modifying the dynamics magnitude of an input signal such as, for example, an audio signal. NL192860C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US32553081 1981-12-01
US06/325,530 US4498055A (en) 1981-09-10 1981-12-01 Circuit arrangements for modifying dynamic range

Publications (3)

Publication Number Publication Date
NL8105775A NL8105775A (en) 1983-07-01
NL192860B true NL192860B (en) 1997-11-03
NL192860C NL192860C (en) 1998-03-04

Family

ID=23268273

Family Applications (1)

Application Number Title Priority Date Filing Date
NL8105775A NL192860C (en) 1981-12-01 1981-12-22 Circuit arrangement for modifying the dynamics magnitude of an input signal such as, for example, an audio signal.

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) ES508394A0 (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
KR960014115B1 (en) * 1986-03-03 1996-10-14 밀톤 돌비 레이 Attanuator using bootstrapping
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
BE889428A (en) * 1980-06-30 1981-10-16 Dolby Ray Milton DEVICE FOR MODIFYING THE DYNAMIC RANGE OF INPUT SIGNALS

Also Published As

Publication number Publication date
KR830008462A (en) 1983-11-18
GB2111355B (en) 1985-02-13
IE812951L (en) 1983-06-01
IT1140402B (en) 1986-09-24
CA1188996A (en) 1985-06-18
ES8303848A1 (en) 1983-02-01
LU83854A1 (en) 1982-05-07
KR900000483B1 (en) 1990-01-30
ES508394A0 (en) 1983-02-01
DE3151137C2 (en) 1993-04-01
IE52495B1 (en) 1987-11-25
FR2517496A1 (en) 1983-06-03
NL8105775A (en) 1983-07-01
CH656996A5 (en) 1986-07-31
NL192860C (en) 1998-03-04
GR77317B (en) 1984-09-11
DK575681A (en) 1983-06-02
GB2111355A (en) 1983-06-29
SE449281B (en) 1987-04-13
SE8107495L (en) 1983-06-02
BE901906Q (en) 1985-07-01
FR2517496B1 (en) 1985-11-15
DE3151137A1 (en) 1983-07-14
IT8125877A0 (en) 1981-12-29

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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 Discontinued because of reaching the maximum lifetime of a patent

Free format text: 20011222