LU83854A1 - Perfectionnements a des montages permettant de modifier une gamme dynamique - Google Patents
Perfectionnements a des montages permettant de modifier une gamme dynamique Download PDFInfo
- Publication number
- LU83854A1 LU83854A1 LU83854A LU83854A LU83854A1 LU 83854 A1 LU83854 A1 LU 83854A1 LU 83854 A LU83854 A LU 83854A LU 83854 A LU83854 A LU 83854A LU 83854 A1 LU83854 A1 LU 83854A1
- Authority
- LU
- Luxembourg
- Prior art keywords
- signal
- circuit
- band
- signals
- frequency
- Prior art date
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
Landscapes
- Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
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 (1)
Publication Number | Publication Date |
---|---|
LU83854A1 true LU83854A1 (fr) | 1982-05-07 |
Family
ID=23268273
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
LU83854A LU83854A1 (fr) | 1981-12-01 | 1981-12-24 | Perfectionnements a des montages permettant de modifier une gamme dynamique |
Country Status (15)
Country | Link |
---|---|
KR (1) | KR900000483B1 (it) |
BE (1) | BE901906Q (it) |
CA (1) | CA1188996A (it) |
CH (1) | CH656996A5 (it) |
DE (1) | DE3151137A1 (it) |
DK (1) | DK575681A (it) |
ES (1) | ES508394A0 (it) |
FR (1) | FR2517496B1 (it) |
GB (1) | GB2111355B (it) |
GR (1) | GR77317B (it) |
IE (1) | IE52495B1 (it) |
IT (1) | IT1140402B (it) |
LU (1) | LU83854A1 (it) |
NL (1) | NL192860C (it) |
SE (1) | SE449281B (it) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0236122A2 (en) * | 1986-03-03 | 1987-09-09 | Ray Milton Dolby | Attenuator circuit employing bootstrapping |
EP0236076A2 (en) * | 1986-03-03 | 1987-09-09 | Ray Milton Dolby | Circuits for altering the dynamic range of audio signals |
EP0421559A2 (en) * | 1986-03-03 | 1991-04-10 | Ray Milton Dolby | Device for modifying the dynamic range of an input signal |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2429779A (en) * | 2005-09-01 | 2007-03-07 | Geo Kingsbury Machine Tools Lt | Testing components of drive trains |
Family Cites Families (5)
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 |
-
1981
- 1981-12-09 GB GB08137167A patent/GB2111355B/en not_active Expired
- 1981-12-11 CA CA000392068A patent/CA1188996A/en not_active Expired
- 1981-12-15 IE IE2951/81A patent/IE52495B1/en not_active IP Right Cessation
- 1981-12-15 SE SE8107495A patent/SE449281B/sv not_active IP Right Cessation
- 1981-12-19 KR KR1019810005016A patent/KR900000483B1/ko active
- 1981-12-22 NL NL8105775A patent/NL192860C/nl not_active IP Right Cessation
- 1981-12-22 CH CH8223/81A patent/CH656996A5/de not_active IP Right Cessation
- 1981-12-23 GR GR66897A patent/GR77317B/el unknown
- 1981-12-23 DK DK575681A patent/DK575681A/da not_active Application Discontinuation
- 1981-12-23 DE DE19813151137 patent/DE3151137A1/de active Granted
- 1981-12-24 LU LU83854A patent/LU83854A1/fr unknown
- 1981-12-28 FR FR8124314A patent/FR2517496B1/fr not_active Expired
- 1981-12-29 ES ES508394A patent/ES508394A0/es active Granted
- 1981-12-29 IT IT25877/81A patent/IT1140402B/it active
-
1985
- 1985-03-08 BE BE0/214626A patent/BE901906Q/fr not_active IP Right Cessation
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0236122A2 (en) * | 1986-03-03 | 1987-09-09 | Ray Milton Dolby | Attenuator circuit employing bootstrapping |
EP0236076A2 (en) * | 1986-03-03 | 1987-09-09 | Ray Milton Dolby | Circuits for altering the dynamic range of audio signals |
EP0236076A3 (en) * | 1986-03-03 | 1989-02-08 | Ray Milton Dolby | Circuits for altering the dynamic range of audio signals |
EP0236122A3 (en) * | 1986-03-03 | 1989-03-01 | Ray Milton Dolby | Attenuator circuit employing bootstrapping |
EP0421559A2 (en) * | 1986-03-03 | 1991-04-10 | Ray Milton Dolby | Device for modifying the dynamic range of an input signal |
EP0421559A3 (en) * | 1986-03-03 | 1991-06-12 | Ray Milton Dolby | Device for modifying the dynamic range of an input signal |
Also Published As
Publication number | Publication date |
---|---|
KR830008462A (ko) | 1983-11-18 |
GB2111355B (en) | 1985-02-13 |
IE812951L (en) | 1983-06-01 |
IT1140402B (it) | 1986-09-24 |
CA1188996A (en) | 1985-06-18 |
ES8303848A1 (es) | 1983-02-01 |
KR900000483B1 (ko) | 1990-01-30 |
ES508394A0 (es) | 1983-02-01 |
DE3151137C2 (it) | 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 (it) | 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 |
---|---|---|
EP0248713B1 (fr) | Dispositif de réduction du bruit de fond dans une chaîne électroacoustique | |
EP2930942A1 (fr) | Casque audio à contrôle actif de bruit anc avec réduction du souffle électrique | |
EP0812504B1 (fr) | Correction de gain de haut-parleur pour un terminal telephonique mains-libres | |
FR2719173A1 (fr) | Appareil de communication à réglage du bruit. | |
LU83854A1 (fr) | Perfectionnements a des montages permettant de modifier une gamme dynamique | |
EP4040810A1 (fr) | Procédé pour le réglage automatisé de paramètres de traitements numériques appliqués à des signaux avant diffusion par des haut-parleurs et dispositif pour la mise en oeuvre d'un tel procédé | |
EP3637792B1 (fr) | Dispositif de commande d'un haut-parleur et installation de restitution sonore associée | |
EP0786860B1 (fr) | Recepteur radio comportant un circuit de blocage automatique | |
FR2517495A1 (fr) | Perfectionnements a des montages permettant de modifier une gamme dynamique | |
BE889428A (fr) | Dispositif destine a modifier la plage dynamique de signaux d'entree | |
FR2465293A1 (fr) | Tourne-videodisque avec systeme d'asservissement a boucles emboitees | |
FR2560467A1 (fr) | Demodulateur de signaux fm equipes d'un circuit de filtrage pour isoler un signal porteur | |
FR2512610A1 (fr) | Reducteur de bruit | |
EP2839676B1 (fr) | Procédé et dispositif pour le contrôle de la température de fonctionnement d'un haut-parleur | |
FR2631191A1 (fr) | Appareil d'enregistrement et de reproduction de signal video | |
FR3056058B1 (fr) | Procede de mesure normee de la modulation d'un signal radio module en amplitude et procede de filtrage dudit signal radio | |
WO2005091510A1 (fr) | Procede de reduction du bruit dans un recepteur radiophonique, et recepteur mettant en oeuvre ce procede | |
FR2967848A1 (fr) | Systeme de correction de spectre destine notamment a une salle de spectacle | |
WO2018115139A2 (fr) | Dispositif de génération d'un signal numérique modulé et système de génération d'un signal analogique modulé | |
FR2485838A1 (fr) | Dispositif destine a modifier la plage dynamique de signaux d'entree | |
CA2974156C (fr) | Amplificateur a reglage de niveau sonore automatique | |
WO2016116274A1 (fr) | Dispositif de traitement d'un signal audio | |
EP4297425A1 (fr) | Parametres audio fonction de la lumiere | |
FR3091079A1 (fr) | Dispositif de commande de la dynamique d’une chaine haute fidelite et d’adaptation de la reponse spectrale d’une enceinte acoustique | |
FR2498850A1 (fr) | Expanseur et compresseur de signaux |