FR2404968A1 - Circuit pour compression ou expansion de dynamique, au choix - Google Patents
Circuit pour compression ou expansion de dynamique, au choixInfo
- Publication number
- FR2404968A1 FR2404968A1 FR7828010A FR7828010A FR2404968A1 FR 2404968 A1 FR2404968 A1 FR 2404968A1 FR 7828010 A FR7828010 A FR 7828010A FR 7828010 A FR7828010 A FR 7828010A FR 2404968 A1 FR2404968 A1 FR 2404968A1
- Authority
- FR
- France
- Prior art keywords
- output
- circuit
- expansion
- compression
- dynamics
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
Links
- 230000006835 compression Effects 0.000 title abstract 2
- 238000007906 compression Methods 0.000 title abstract 2
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
- H03G9/025—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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G7/00—Volume compression or expansion in amplifiers
Landscapes
- Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
- Amplifiers (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
- Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
- Mechanical Operated Clutches (AREA)
- Arrangement And Mounting Of Devices That Control Transmission Of Motive Force (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2744249A DE2744249B2 (de) | 1977-10-01 | 1977-10-01 | Schaltungsanordnung zur wahlweisen Dynamik-Kompression oder -Expansion |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2404968A1 true FR2404968A1 (fr) | 1979-04-27 |
| FR2404968B1 FR2404968B1 (enExample) | 1985-04-26 |
Family
ID=6020422
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7828010A Granted FR2404968A1 (fr) | 1977-10-01 | 1978-09-29 | Circuit pour compression ou expansion de dynamique, au choix |
Country Status (15)
| Country | Link |
|---|---|
| US (1) | US4190806A (enExample) |
| JP (1) | JPS5923643B2 (enExample) |
| AT (1) | AT371638B (enExample) |
| AU (1) | AU518003B2 (enExample) |
| BE (1) | BE870829A (enExample) |
| BR (1) | BR7806468A (enExample) |
| DE (1) | DE2744249B2 (enExample) |
| DK (1) | DK433078A (enExample) |
| ES (1) | ES473760A1 (enExample) |
| FR (1) | FR2404968A1 (enExample) |
| GB (1) | GB2007947B (enExample) |
| IT (1) | IT1099221B (enExample) |
| NO (1) | NO146115C (enExample) |
| SE (1) | SE7810249L (enExample) |
| ZA (1) | ZA785193B (enExample) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2856044A1 (de) * | 1978-12-23 | 1980-07-03 | Licentia Gmbh | Nichtinvertierender verstaerker mit niedriger eingangsimpedanz |
| US4400583A (en) * | 1979-07-20 | 1983-08-23 | Metme Communications | Complete audio processing system |
| JPS5939932B2 (ja) * | 1979-09-18 | 1984-09-27 | 日本ビクター株式会社 | 相補特性切換回路 |
| WO1983002700A1 (en) * | 1982-01-26 | 1983-08-04 | Bloy, Ghaham, Philip | System for maximum efficient transfer of modulated energy |
| JPH0744416B2 (ja) * | 1985-04-11 | 1995-05-15 | キヤノン株式会社 | 対数圧縮回路 |
| US4814721A (en) * | 1986-10-06 | 1989-03-21 | Westinghouse Electric Corp. | Signal converter |
| AU613010B2 (en) * | 1987-08-28 | 1991-07-25 | Motorola, Inc. | Fm communications system with improved response to rayleigh-faded received signals |
| US5008634A (en) * | 1988-11-18 | 1991-04-16 | C. B. Labs, Inc. | System for controlling the dynamic range of electric musical instruments |
| US5266905A (en) * | 1992-05-29 | 1993-11-30 | Audio Research Corporation | Audio amplifier with amplified feedback |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2317508A2 (fr) * | 1975-07-10 | 1977-02-04 | Bosch Gmbh Robert | Installation pour l'injection de carburant dans un moteur a combustion interne |
| DE2542498A1 (de) * | 1974-02-09 | 1977-04-07 | Licentia Gmbh | Schaltung zur automatischen dynamik- kompression oder -expansion |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3631365A (en) * | 1968-11-01 | 1971-12-28 | Dolby Laboratories Inc | Signal compressors and expanders |
| JPS5227504B1 (enExample) * | 1971-04-24 | 1977-07-20 | ||
| US3911371A (en) * | 1971-07-24 | 1975-10-07 | Sony Corp | Signal transmission system |
| JPS5648885B2 (enExample) * | 1972-03-07 | 1981-11-18 | ||
| US3983505A (en) * | 1974-04-10 | 1976-09-28 | Victor Company Of Japan, Limited | Signal frequency band control system |
-
1977
- 1977-10-01 DE DE2744249A patent/DE2744249B2/de active Granted
-
1978
- 1978-09-08 GB GB7836199A patent/GB2007947B/en not_active Expired
- 1978-09-13 ZA ZA00785193A patent/ZA785193B/xx unknown
- 1978-09-20 US US05/943,978 patent/US4190806A/en not_active Expired - Lifetime
- 1978-09-28 ES ES473760A patent/ES473760A1/es not_active Expired
- 1978-09-28 BE BE190761A patent/BE870829A/xx not_active IP Right Cessation
- 1978-09-28 AU AU40295/78A patent/AU518003B2/en not_active Expired
- 1978-09-29 IT IT28305/78A patent/IT1099221B/it active
- 1978-09-29 JP JP53120311A patent/JPS5923643B2/ja not_active Expired
- 1978-09-29 BR BR7806468A patent/BR7806468A/pt unknown
- 1978-09-29 DK DK433078A patent/DK433078A/da not_active Application Discontinuation
- 1978-09-29 NO NO783304A patent/NO146115C/no unknown
- 1978-09-29 SE SE7810249A patent/SE7810249L/xx unknown
- 1978-09-29 FR FR7828010A patent/FR2404968A1/fr active Granted
- 1978-10-02 AT AT0708878A patent/AT371638B/de not_active IP Right Cessation
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2542498A1 (de) * | 1974-02-09 | 1977-04-07 | Licentia Gmbh | Schaltung zur automatischen dynamik- kompression oder -expansion |
| FR2317508A2 (fr) * | 1975-07-10 | 1977-02-04 | Bosch Gmbh Robert | Installation pour l'injection de carburant dans un moteur a combustion interne |
Also Published As
| Publication number | Publication date |
|---|---|
| GB2007947B (en) | 1982-03-17 |
| AU518003B2 (en) | 1981-09-10 |
| JPS5459062A (en) | 1979-05-12 |
| NO783304L (no) | 1979-04-03 |
| US4190806A (en) | 1980-02-26 |
| GB2007947A (en) | 1979-05-23 |
| DE2744249C3 (enExample) | 1980-09-25 |
| ATA708878A (de) | 1982-11-15 |
| ZA785193B (en) | 1979-08-29 |
| AT371638B (de) | 1983-07-11 |
| FR2404968B1 (enExample) | 1985-04-26 |
| AU4029578A (en) | 1980-04-03 |
| BE870829A (fr) | 1979-01-15 |
| DK433078A (da) | 1979-04-02 |
| IT1099221B (it) | 1985-09-18 |
| DE2744249A1 (de) | 1979-04-05 |
| ES473760A1 (es) | 1979-04-01 |
| NO146115B (no) | 1982-04-19 |
| NO146115C (no) | 1982-08-11 |
| SE7810249L (sv) | 1979-04-02 |
| BR7806468A (pt) | 1979-05-08 |
| IT7828305A0 (it) | 1978-09-29 |
| DE2744249B2 (de) | 1980-01-31 |
| JPS5923643B2 (ja) | 1984-06-04 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| TP | Transmission of property | ||
| ST | Notification of lapse |