IT1140402B - Disposizione circuitale per modificare la gamma dinamica di segnali audio ed altri - Google Patents

Disposizione circuitale per modificare la gamma dinamica di segnali audio ed altri

Info

Publication number
IT1140402B
IT1140402B IT25877/81A IT2587781A IT1140402B IT 1140402 B IT1140402 B IT 1140402B IT 25877/81 A IT25877/81 A IT 25877/81A IT 2587781 A IT2587781 A IT 2587781A IT 1140402 B IT1140402 B IT 1140402B
Authority
IT
Italy
Prior art keywords
modify
audio
signals
dynamic range
circuit provision
Prior art date
Application number
IT25877/81A
Other languages
English (en)
Italian (it)
Other versions
IT8125877A0 (it
Inventor
Ray Milton Dolby
Original Assignee
Ray Milton 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
Priority claimed from US06/325,530 external-priority patent/US4498055A/en
Application filed by Ray Milton Dolby filed Critical Ray Milton Dolby
Publication of IT8125877A0 publication Critical patent/IT8125877A0/it
Application granted granted Critical
Publication of IT1140402B publication Critical patent/IT1140402B/it

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
IT25877/81A 1981-12-01 1981-12-29 Disposizione circuitale per modificare la gamma dinamica di segnali audio ed altri IT1140402B (it)

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 (2)

Publication Number Publication Date
IT8125877A0 IT8125877A0 (it) 1981-12-29
IT1140402B true IT1140402B (it) 1986-09-24

Family

ID=23268273

Family Applications (1)

Application Number Title Priority Date Filing Date
IT25877/81A IT1140402B (it) 1981-12-01 1981-12-29 Disposizione circuitale per modificare la gamma dinamica di segnali audio ed altri

Country Status (15)

Country Link
KR (1) KR900000483B1 (fr)
BE (1) BE901906Q (fr)
CA (1) CA1188996A (fr)
CH (1) CH656996A5 (fr)
DE (1) DE3151137A1 (fr)
DK (1) DK575681A (fr)
ES (1) ES508394A0 (fr)
FR (1) FR2517496B1 (fr)
GB (1) GB2111355B (fr)
GR (1) GR77317B (fr)
IE (1) IE52495B1 (fr)
IT (1) IT1140402B (fr)
LU (1) LU83854A1 (fr)
NL (1) NL192860C (fr)
SE (1) SE449281B (fr)

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 (fr) * 1986-03-03 1990-05-15 Ray Milton Dolby Circuit attenateur a contre-reaction
KR960014115B1 (ko) * 1986-03-03 1996-10-14 밀톤 돌비 레이 부우트스트래핑(Bootstrapping)을 사용한 감쇄회로
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 (fi) * 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 (fr) * 1980-06-30 1981-10-16 Dolby Ray Milton Dispositif destine a modifier la plage dynamique de signaux d'entree

Also Published As

Publication number Publication date
KR830008462A (ko) 1983-11-18
GB2111355B (en) 1985-02-13
IE812951L (en) 1983-06-01
CA1188996A (fr) 1985-06-18
ES8303848A1 (es) 1983-02-01
LU83854A1 (fr) 1982-05-07
KR900000483B1 (ko) 1990-01-30
ES508394A0 (es) 1983-02-01
DE3151137C2 (fr) 1993-04-01
IE52495B1 (en) 1987-11-25
FR2517496A1 (fr) 1983-06-03
NL8105775A (nl) 1983-07-01
CH656996A5 (de) 1986-07-31
NL192860B (nl) 1997-11-03
NL192860C (nl) 1998-03-04
GR77317B (fr) 1984-09-11
DK575681A (da) 1983-06-02
GB2111355A (en) 1983-06-29
SE449281B (sv) 1987-04-13
SE8107495L (sv) 1983-06-02
BE901906Q (fr) 1985-07-01
FR2517496B1 (fr) 1985-11-15
DE3151137A1 (de) 1983-07-14
IT8125877A0 (it) 1981-12-29

Similar Documents

Publication Publication Date Title
BE895137A (fr) Esters et amides de 13,14-bisdehydroprostaglandines
FI831671A0 (fi) Anordning foer rullning av materialbana
GB2165720B (en) Dynamic speaker
EP0236076A3 (en) Circuits for altering the dynamic range of audio signals
GB8623808D0 (en) Dynamic range control of signal
IT1153931B (it) Circuito amplificatore dinamico
MX149621A (es) Mejoras en aparato de reproduccion de senales de television
JPS52119296A (en) Dynamic analysis of alphaaamylase
GB2095946B (en) Dynamic amplifier of cmos type
IT1140402B (it) Disposizione circuitale per modificare la gamma dinamica di segnali audio ed altri
JPS531517A (en) Dynamic speaker and method of producing same
IT8267350A0 (it) Dispositivo per prevenire la riproduzione di programmi per elaboratori
NO840736L (no) Fremstilling av gel-frie nitrocelluloselakker
FI822614A0 (fi) Anordning foer utspridning av en vaetska pao en roerlig materialbana
IT1165284B (it) Procedimento, e relativa disposizione circuitale,per aumentare la pendenza di impulsi di segnali video
JPS57196298A (en) Arrangement of sound absorbing board
GB8623807D0 (en) Dynamic range control of signal
AT372796B (de) Schaltungsanordnung zur aenderung des dynamikbereiches von signalen
IT1181625B (it) Circuito e metodo per linearizzare il segnale di uscita di un rivelatore fm
IT1200125B (it) Composti di cefalosporina e procedimento per produrli
BR8401033A (pt) Conjunto de circuitos de garador
IT1175630B (it) Procedimento per la conservazione e la calibratura di budella da utilizzarsi
DK164430C (da) Dynamisk pick-up
KR860006912U (ko) 요크레스 다이나믹 스피커
JPS57178496A (en) Dynamic speaker

Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19961227