BR8107670A - Circuito para compressao e/ou expansao dinamica - Google Patents
Circuito para compressao e/ou expansao dinamicaInfo
- Publication number
- BR8107670A BR8107670A BR8107670A BR8107670A BR8107670A BR 8107670 A BR8107670 A BR 8107670A BR 8107670 A BR8107670 A BR 8107670A BR 8107670 A BR8107670 A BR 8107670A BR 8107670 A BR8107670 A BR 8107670A
- Authority
- BR
- Brazil
- Prior art keywords
- path
- useful signal
- transmission factor
- control voltage
- point
- Prior art date
Links
- 230000006835 compression Effects 0.000 title abstract 2
- 238000007906 compression Methods 0.000 title abstract 2
- 230000005540 biological transmission Effects 0.000 abstract 6
- 230000001419 dependent effect Effects 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G7/00—Volume compression or expansion in amplifiers
- H03G7/002—Volume compression or expansion in amplifiers in untuned or low-frequency amplifiers, e.g. audio amplifiers
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
- Steroid Compounds (AREA)
- Superconductors And Manufacturing Methods Therefor (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Road Signs Or Road Markings (AREA)
- Soft Magnetic Materials (AREA)
- Pulleys (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19803044661 DE3044661A1 (de) | 1980-11-27 | 1980-11-27 | Schaltung zur dynamik-kompression und/oder -expansion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR8107670A true BR8107670A (pt) | 1982-08-24 |
Family
ID=6117698
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR8107670A BR8107670A (pt) | 1980-11-27 | 1981-11-25 | Circuito para compressao e/ou expansao dinamica |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US4415866A (enExample) |
| EP (1) | EP0053303B1 (enExample) |
| JP (1) | JPS57116403A (enExample) |
| AT (1) | ATE18709T1 (enExample) |
| AU (1) | AU7790381A (enExample) |
| BR (1) | BR8107670A (enExample) |
| DE (2) | DE3044661A1 (enExample) |
| DK (1) | DK513881A (enExample) |
| ES (1) | ES507432A0 (enExample) |
| NO (1) | NO814003L (enExample) |
| ZA (1) | ZA818220B (enExample) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4600902A (en) * | 1983-07-01 | 1986-07-15 | Wegener Communications, Inc. | Compandor noise reduction circuit |
| DE3525066C1 (de) * | 1985-07-13 | 1986-11-06 | ANT Nachrichtentechnik GmbH, 7150 Backnang | Verstaerker mit steuerbarer Verstaerkung |
| US4934770A (en) * | 1986-03-12 | 1990-06-19 | Beltone Electronics | Electronic compression system |
| GB8701365D0 (en) * | 1987-01-22 | 1987-02-25 | Thomas L D | Signal level control |
| KR100202344B1 (ko) * | 1990-03-26 | 1999-06-15 | 이데이 노부유끼 | 자동니제어회로 |
| US20120262233A1 (en) * | 2011-04-15 | 2012-10-18 | Fairchild Semiconductor Corporation | Mixed signal dynamic range compression |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1354777A (fr) * | 1962-05-08 | 1964-03-13 | Inst Francais Du Petrole | Contrôle automatique de gain |
| US3789143A (en) * | 1971-03-29 | 1974-01-29 | D Blackmer | Compander with control signal logarithmically related to the instantaneous rms value of the input signal |
| DE2406258C2 (de) * | 1974-02-09 | 1976-01-08 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Schaltung zur automatischen Dynamik-Kompression oder -Expansion |
| US4038566A (en) * | 1976-03-22 | 1977-07-26 | Mcintosh Laboratory, Inc. | Multiplier circuit |
| US4225794A (en) * | 1978-09-25 | 1980-09-30 | Buff Paul C | Voltage controlled amplifier |
-
1980
- 1980-11-27 DE DE19803044661 patent/DE3044661A1/de not_active Withdrawn
-
1981
- 1981-11-07 DE DE8181109566T patent/DE3174143D1/de not_active Expired
- 1981-11-07 EP EP81109566A patent/EP0053303B1/de not_active Expired
- 1981-11-07 AT AT81109566T patent/ATE18709T1/de not_active IP Right Cessation
- 1981-11-19 DK DK513881A patent/DK513881A/da not_active Application Discontinuation
- 1981-11-24 US US06/324,661 patent/US4415866A/en not_active Expired - Fee Related
- 1981-11-25 BR BR8107670A patent/BR8107670A/pt unknown
- 1981-11-25 JP JP56187911A patent/JPS57116403A/ja active Granted
- 1981-11-25 ES ES507432A patent/ES507432A0/es active Granted
- 1981-11-25 NO NO814003A patent/NO814003L/no unknown
- 1981-11-26 ZA ZA818220A patent/ZA818220B/xx unknown
- 1981-11-26 AU AU77903/81A patent/AU7790381A/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| EP0053303B1 (de) | 1986-03-19 |
| NO814003L (no) | 1982-05-28 |
| DE3044661A1 (de) | 1982-06-24 |
| ES8300422A1 (es) | 1982-11-01 |
| AU7790381A (en) | 1982-06-03 |
| JPS57116403A (en) | 1982-07-20 |
| EP0053303A2 (de) | 1982-06-09 |
| ATE18709T1 (de) | 1986-04-15 |
| EP0053303A3 (en) | 1983-03-16 |
| ES507432A0 (es) | 1982-11-01 |
| US4415866A (en) | 1983-11-15 |
| DK513881A (da) | 1982-05-28 |
| ZA818220B (en) | 1982-10-27 |
| JPS6339164B2 (enExample) | 1988-08-03 |
| DE3174143D1 (en) | 1986-04-24 |
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