FR2283586A1 - Circuits de traitement de signaux alternatifs pour compresseurs-expanseurs - Google Patents
Circuits de traitement de signaux alternatifs pour compresseurs-expanseursInfo
- Publication number
- FR2283586A1 FR2283586A1 FR7526424A FR7526424A FR2283586A1 FR 2283586 A1 FR2283586 A1 FR 2283586A1 FR 7526424 A FR7526424 A FR 7526424A FR 7526424 A FR7526424 A FR 7526424A FR 2283586 A1 FR2283586 A1 FR 2283586A1
- Authority
- FR
- France
- Prior art keywords
- expanders
- compressors
- signal processing
- processing circuits
- alternative signal
- 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.)
- Withdrawn
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/62—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for providing a predistortion of the signal in the transmitter and corresponding correction in the receiver, e.g. for improving the signal/noise ratio
- H04B1/64—Volume compression or expansion arrangements
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G1/00—Details of arrangements for controlling amplification
- H03G1/0005—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal
- H03G1/0035—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using continuously variable impedance elements
- H03G1/0052—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using continuously variable impedance elements using diodes
-
- 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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
- Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
- Networks Using Active Elements (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA207,850A CA998617A (en) | 1974-08-27 | 1974-08-27 | A-c signal processing circuits for compandors |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2283586A1 true FR2283586A1 (fr) | 1976-03-26 |
Family
ID=4100982
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7526424A Withdrawn FR2283586A1 (fr) | 1974-08-27 | 1975-08-27 | Circuits de traitement de signaux alternatifs pour compresseurs-expanseurs |
Country Status (7)
Country | Link |
---|---|
JP (1) | JPS5147312A (fr) |
CA (1) | CA998617A (fr) |
DE (1) | DE2537998A1 (fr) |
FR (1) | FR2283586A1 (fr) |
GB (1) | GB1514242A (fr) |
NL (1) | NL7509585A (fr) |
SE (1) | SE7509493L (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2485838A1 (fr) * | 1980-06-30 | 1981-12-31 | Dolby Ray | Dispositif destine a modifier la plage dynamique de signaux d'entree |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58108857A (ja) * | 1981-12-23 | 1983-06-29 | Fujitsu Ltd | 過電流保護回路 |
EP1837893A1 (fr) | 2006-03-25 | 2007-09-26 | HÜTTINGER Elektronik GmbH + Co. KG | Dispositif de mesure d'un système plasma HF |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3119077A (en) * | 1960-12-09 | 1964-01-21 | Bell Telephone Labor Inc | Automatic gain control circuit using variable attenuators in the signal path |
GB951058A (en) * | 1959-04-23 | 1964-03-04 | Philips Electrical Ind Ltd | Improvements in or relating to amplifiers |
US3784749A (en) * | 1971-02-10 | 1974-01-08 | Kenwood Corp | Noise eliminating device |
-
1974
- 1974-08-27 CA CA207,850A patent/CA998617A/en not_active Expired
-
1975
- 1975-08-12 NL NL7509585A patent/NL7509585A/xx not_active Application Discontinuation
- 1975-08-13 GB GB3374975A patent/GB1514242A/en not_active Expired
- 1975-08-26 JP JP10263975A patent/JPS5147312A/ja active Pending
- 1975-08-26 SE SE7509493A patent/SE7509493L/ not_active Application Discontinuation
- 1975-08-26 DE DE19752537998 patent/DE2537998A1/de active Pending
- 1975-08-27 FR FR7526424A patent/FR2283586A1/fr not_active Withdrawn
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB951058A (en) * | 1959-04-23 | 1964-03-04 | Philips Electrical Ind Ltd | Improvements in or relating to amplifiers |
US3119077A (en) * | 1960-12-09 | 1964-01-21 | Bell Telephone Labor Inc | Automatic gain control circuit using variable attenuators in the signal path |
US3784749A (en) * | 1971-02-10 | 1974-01-08 | Kenwood Corp | Noise eliminating device |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2485838A1 (fr) * | 1980-06-30 | 1981-12-31 | Dolby Ray | Dispositif destine a modifier la plage dynamique de signaux d'entree |
Also Published As
Publication number | Publication date |
---|---|
DE2537998A1 (de) | 1976-03-11 |
GB1514242A (en) | 1978-06-14 |
CA998617A (en) | 1976-10-19 |
NL7509585A (nl) | 1976-03-02 |
JPS5147312A (en) | 1976-04-22 |
SE7509493L (sv) | 1976-03-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
CD | Change of name or company name | ||
ST | Notification of lapse |