BE889428A - Dispositif destine a modifier la plage dynamique de signaux d'entree - Google Patents
Dispositif destine a modifier la plage dynamique de signaux d'entree Download PDFInfo
- Publication number
- BE889428A BE889428A BE0/205249A BE205249A BE889428A BE 889428 A BE889428 A BE 889428A BE 0/205249 A BE0/205249 A BE 0/205249A BE 205249 A BE205249 A BE 205249A BE 889428 A BE889428 A BE 889428A
- Authority
- BE
- Belgium
- Prior art keywords
- circuit
- emi
- circuits
- threshold
- signal
- Prior art date
Links
- 230000006835 compression Effects 0.000 claims description 97
- 238000007906 compression Methods 0.000 claims description 97
- 230000009467 reduction Effects 0.000 claims description 16
- 230000005236 sound signal Effects 0.000 claims description 6
- 230000002441 reversible effect Effects 0.000 claims description 5
- 230000001944 accentuation Effects 0.000 claims description 3
- 230000003321 amplification Effects 0.000 claims description 2
- 230000009977 dual effect Effects 0.000 claims description 2
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 2
- 230000001419 dependent effect Effects 0.000 claims 1
- 238000001914 filtration Methods 0.000 claims 1
- 230000004044 response Effects 0.000 description 37
- 230000000694 effects Effects 0.000 description 28
- 230000008901 benefit Effects 0.000 description 11
- 230000005669 field effect Effects 0.000 description 11
- 239000003990 capacitor Substances 0.000 description 10
- 230000006870 function Effects 0.000 description 9
- 230000000295 complement effect Effects 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 6
- 230000004048 modification Effects 0.000 description 6
- 238000012986 modification Methods 0.000 description 6
- 230000008859 change Effects 0.000 description 5
- 230000003247 decreasing effect Effects 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 4
- 230000007423 decrease Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000010287 polarization Effects 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 230000003595 spectral effect Effects 0.000 description 4
- 230000001629 suppression Effects 0.000 description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- 230000000670 limiting effect Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 230000001052 transient effect Effects 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 2
- 230000001186 cumulative effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000007480 spreading Effects 0.000 description 2
- 208000019300 CLIPPERS Diseases 0.000 description 1
- 235000008694 Humulus lupulus Nutrition 0.000 description 1
- 244000025221 Humulus lupulus Species 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 208000021930 chronic lymphocytic inflammation with pontine perivascular enhancement responsive to steroids Diseases 0.000 description 1
- 238000005352 clarification Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 229910052732 germanium Inorganic materials 0.000 description 1
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 1
- 230000005237 high-frequency sound signal Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000012552 review Methods 0.000 description 1
- XUIMIQQOPSSXEZ-IGMARMGPSA-N silicon-28 atom Chemical compound [28Si] XUIMIQQOPSSXEZ-IGMARMGPSA-N 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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
Landscapes
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
- Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
- Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
- Transmitters (AREA)
- Television Signal Processing For Recording (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US16395080A | 1980-06-30 | 1980-06-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE889428A true BE889428A (fr) | 1981-10-16 |
Family
ID=22592330
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE0/205249A BE889428A (fr) | 1980-06-30 | 1981-06-29 | Dispositif destine a modifier la plage dynamique de signaux d'entree |
| BE0/205247A BE889426A (fr) | 1980-06-30 | 1981-06-29 | Circuit de reduction des effets de la surcharge d'un support d'enregistrement ou de transmission de signaux |
| BE0/205248A BE889427A (fr) | 1980-06-30 | 1981-06-29 | Circuit de suppression des effets de modulation dans des compresseurs, des expanseurs et des dispositifs de reduction des bruits |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE0/205247A BE889426A (fr) | 1980-06-30 | 1981-06-29 | Circuit de reduction des effets de la surcharge d'un support d'enregistrement ou de transmission de signaux |
| BE0/205248A BE889427A (fr) | 1980-06-30 | 1981-06-29 | Circuit de suppression des effets de modulation dans des compresseurs, des expanseurs et des dispositifs de reduction des bruits |
Country Status (3)
| Country | Link |
|---|---|
| JP (5) | JPS5748835A (enrdf_load_html_response) |
| BE (3) | BE889428A (enrdf_load_html_response) |
| ZA (3) | ZA814433B (enrdf_load_html_response) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3151213A1 (de) * | 1981-12-01 | 1983-06-09 | Ray Milton 94118 San Francisco Calif. Dolby | Schaltungsanordnung zum modifizieren des dynamikbereichs |
| DE3151137A1 (de) * | 1981-12-01 | 1983-07-14 | Ray Milton 94118 San Francisco Calif. Dolby | Schaltungsanordnung zum modifizieren des dynamikbereichs |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH061906B2 (ja) * | 1985-06-20 | 1994-01-05 | 三洋電機株式会社 | デエンフアシス回路 |
| ATE206547T1 (de) * | 1992-05-29 | 2001-10-15 | Motorola Inc | Datenübertragungsempfänger mit wiederübertragung von nachrichten mit variabler länge |
| US5311516A (en) * | 1992-05-29 | 1994-05-10 | Motorola, Inc. | Paging system using message fragmentation to redistribute traffic |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1432763A (en) * | 1972-05-02 | 1976-04-22 | Dolby Laboratories Inc | Compressors expanders and noise reduction systems |
| JPS5348112B2 (enrdf_load_html_response) * | 1973-05-02 | 1978-12-26 | ||
| US3909733A (en) * | 1973-05-17 | 1975-09-30 | Dolby Laboratories Inc | Dynamic range modifying circuits utilizing variable negative resistance |
| JPS553529Y2 (enrdf_load_html_response) * | 1975-02-03 | 1980-01-28 |
-
1981
- 1981-06-29 BE BE0/205249A patent/BE889428A/fr not_active IP Right Cessation
- 1981-06-29 BE BE0/205247A patent/BE889426A/fr not_active IP Right Cessation
- 1981-06-29 BE BE0/205248A patent/BE889427A/fr not_active IP Right Cessation
- 1981-06-30 JP JP56102190A patent/JPS5748835A/ja active Granted
- 1981-06-30 JP JP56102189A patent/JPS5741016A/ja active Granted
- 1981-06-30 JP JP56102188A patent/JPS5741015A/ja active Pending
- 1981-06-30 ZA ZA814433A patent/ZA814433B/xx unknown
- 1981-06-30 ZA ZA814429A patent/ZA814429B/xx unknown
- 1981-06-30 ZA ZA814423A patent/ZA814423B/xx unknown
-
1987
- 1987-10-28 JP JP62270490A patent/JPS63119327A/ja active Granted
- 1987-10-28 JP JP62270491A patent/JPS63119328A/ja active Granted
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3151213A1 (de) * | 1981-12-01 | 1983-06-09 | Ray Milton 94118 San Francisco Calif. Dolby | Schaltungsanordnung zum modifizieren des dynamikbereichs |
| DE3151137A1 (de) * | 1981-12-01 | 1983-07-14 | Ray Milton 94118 San Francisco Calif. Dolby | Schaltungsanordnung zum modifizieren des dynamikbereichs |
| DE3153730C2 (enrdf_load_html_response) * | 1981-12-01 | 1992-10-29 | Ray Milton San Francisco Calif. Us Dolby |
Also Published As
| Publication number | Publication date |
|---|---|
| ZA814423B (en) | 1982-07-28 |
| JPS5741016A (en) | 1982-03-06 |
| JPS5748835A (en) | 1982-03-20 |
| ZA814433B (en) | 1982-07-28 |
| BE889426A (fr) | 1981-10-16 |
| ZA814429B (en) | 1982-07-28 |
| JPS63119328A (ja) | 1988-05-24 |
| BE889427A (fr) | 1981-10-16 |
| JPH0245385B2 (enrdf_load_html_response) | 1990-10-09 |
| JPH0359612B2 (enrdf_load_html_response) | 1991-09-11 |
| JPH0359611B2 (enrdf_load_html_response) | 1991-09-11 |
| JPS63119327A (ja) | 1988-05-24 |
| JPS5741015A (en) | 1982-03-06 |
| JPH0243381B2 (enrdf_load_html_response) | 1990-09-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RE20 | Patent expired |
Owner name: DOLBY RAY MILTON Effective date: 20010629 |