SE450985B - Kretsanordning for modifiering av en insignals dynamiska omrade - Google Patents
Kretsanordning for modifiering av en insignals dynamiska omradeInfo
- Publication number
- SE450985B SE450985B SE8104062A SE8104062A SE450985B SE 450985 B SE450985 B SE 450985B SE 8104062 A SE8104062 A SE 8104062A SE 8104062 A SE8104062 A SE 8104062A SE 450985 B SE450985 B SE 450985B
- Authority
- SE
- Sweden
- Prior art keywords
- circuit
- circuits
- threshold
- level
- signal
- Prior art date
Links
- 230000006835 compression Effects 0.000 claims description 100
- 238000007906 compression Methods 0.000 claims description 100
- 230000002787 reinforcement Effects 0.000 claims description 24
- 230000000694 effects Effects 0.000 claims description 23
- 230000009467 reduction Effects 0.000 claims description 16
- 230000008859 change Effects 0.000 claims description 14
- 230000007704 transition Effects 0.000 claims description 12
- 230000003321 amplification Effects 0.000 claims description 7
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 7
- 238000009499 grossing Methods 0.000 claims description 5
- 230000005236 sound signal Effects 0.000 claims description 2
- 230000000284 resting effect Effects 0.000 claims 1
- 230000004044 response Effects 0.000 description 23
- 230000008901 benefit Effects 0.000 description 11
- 230000000295 complement effect Effects 0.000 description 8
- 230000009471 action Effects 0.000 description 7
- 239000003990 capacitor Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 7
- 230000005669 field effect Effects 0.000 description 7
- 230000002829 reductive effect Effects 0.000 description 6
- 230000000630 rising effect Effects 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 5
- 230000004048 modification Effects 0.000 description 5
- 238000012986 modification Methods 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 4
- 229910052710 silicon Inorganic materials 0.000 description 4
- 239000010703 silicon Substances 0.000 description 4
- 230000001629 suppression Effects 0.000 description 4
- 230000001052 transient effect Effects 0.000 description 4
- 230000009977 dual effect Effects 0.000 description 3
- 230000000670 limiting effect Effects 0.000 description 3
- 230000003595 spectral effect Effects 0.000 description 3
- 230000007480 spreading Effects 0.000 description 3
- 238000003892 spreading Methods 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000001186 cumulative effect Effects 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 229910052732 germanium Inorganic materials 0.000 description 2
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 2
- 210000003127 knee Anatomy 0.000 description 2
- 230000003340 mental effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000002441 reversible effect Effects 0.000 description 2
- 230000011664 signaling Effects 0.000 description 2
- 241000283690 Bos taurus Species 0.000 description 1
- 102100030796 E3 ubiquitin-protein ligase rififylin Human genes 0.000 description 1
- 101710128004 E3 ubiquitin-protein ligase rififylin Proteins 0.000 description 1
- 240000005561 Musa balbisiana Species 0.000 description 1
- 235000018290 Musa x paradisiaca Nutrition 0.000 description 1
- 241000220317 Rosa Species 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 238000012937 correction 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
- 238000005520 cutting process Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005021 gait Effects 0.000 description 1
- 238000007429 general method Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012804 iterative process Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 230000036962 time dependent Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G7/00—Volume compression or expansion in amplifiers
-
- 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)
- Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
- Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
- Coupling Device And Connection With Printed Circuit (AREA)
- Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US16395080A | 1980-06-30 | 1980-06-30 | |
| US18077180A | 1980-08-22 | 1980-08-22 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| SE8104062L SE8104062L (sv) | 1981-12-31 |
| SE450985B true SE450985B (sv) | 1987-09-07 |
Family
ID=26860115
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE8104062A SE450985B (sv) | 1980-06-30 | 1981-06-29 | Kretsanordning for modifiering av en insignals dynamiska omrade |
| SE8104061A SE447524B (sv) | 1980-06-30 | 1981-06-29 | Signalkompressor |
| SE8104063A SE447525B (sv) | 1980-06-30 | 1981-06-29 | Kompressor, expander samt brusreduceringsanleggning innefattande en kompressor och en expander |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE8104061A SE447524B (sv) | 1980-06-30 | 1981-06-29 | Signalkompressor |
| SE8104063A SE447525B (sv) | 1980-06-30 | 1981-06-29 | Kompressor, expander samt brusreduceringsanleggning innefattande en kompressor och en expander |
Country Status (17)
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4736433A (en) * | 1985-06-17 | 1988-04-05 | Dolby Ray Milton | Circuit arrangements for modifying dynamic range using action substitution and superposition techniques |
| US4815068A (en) * | 1987-08-07 | 1989-03-21 | Dolby Ray Milton | Audio encoder for use with more than one decoder each having different characteristics |
| US5793797A (en) * | 1995-05-09 | 1998-08-11 | Unisys Corporation | Data transmisson system with a low peak-to-average power ratio based on distorting small amplitude signals |
| US5651028A (en) * | 1995-05-09 | 1997-07-22 | Unisys Corporation | Data transmission system with a low peak-to-average power ratio based on distorting frequently occuring signals |
| DE10011193B4 (de) * | 2000-03-08 | 2004-02-05 | Sennheiser Electronic Gmbh & Co. Kg | Kompandersystem mit einer Kompressorschaltung und einer Expanderschaltung |
Family Cites Families (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US28426A (en) * | 1860-05-22 | Shortening tires | ||
| US2558002A (en) * | 1939-10-24 | 1951-06-26 | Int Standard Electric Corp | Volume compression system |
| US3022473A (en) * | 1959-08-18 | 1962-02-20 | Bell Telephone Labor Inc | Signal recovery circuits |
| US3846719A (en) * | 1973-09-13 | 1974-11-05 | Dolby Laboratories Inc | Noise reduction systems |
| US3903485A (en) * | 1968-01-10 | 1975-09-02 | Ray Milton Dolby | Compressors, expanders and noise reduction systems |
| GB1253031A (enrdf_load_stackoverflow) * | 1968-01-10 | 1971-11-10 | ||
| USRE28426E (en) * | 1968-11-01 | 1975-05-20 | Signal compressors and expanders | |
| US3757254A (en) * | 1970-06-05 | 1973-09-04 | Victor Co Ltd | N system noise reduction system and apparatus using a compression and expansio |
| GB1390341A (en) * | 1971-03-12 | 1975-04-09 | Dolby Laboratories Inc | Signal compressors and expanders |
| FI57502C (fi) * | 1971-04-06 | 1980-08-11 | Victor Company Of Japan | Kompressions- och expansionssystem |
| GB1432763A (en) * | 1972-05-02 | 1976-04-22 | Dolby Laboratories Inc | Compressors expanders and noise reduction systems |
| US3875537A (en) * | 1972-05-02 | 1975-04-01 | Dolby Laboratories Inc | Circuits for modifying the dynamic range of an input signal |
| US3934190A (en) * | 1972-09-15 | 1976-01-20 | Dolby Laboratories, Inc. | Signal compressors and expanders |
| US3909733A (en) * | 1973-05-17 | 1975-09-30 | Dolby Laboratories Inc | Dynamic range modifying circuits utilizing variable negative resistance |
| US3971405A (en) * | 1974-07-15 | 1976-07-27 | Parker-Hannifin Corporation | Pressure controlled hydrant valve coupler |
| US3930208A (en) * | 1974-08-29 | 1975-12-30 | Northern Electric Co | A-C signal processing circuits for compandors |
| US3902131A (en) * | 1974-09-06 | 1975-08-26 | Quadracast Systems | Tandem audio dynamic range expander |
| JPS51127608A (en) * | 1975-04-30 | 1976-11-06 | Victor Co Of Japan Ltd | Signal transmitting unit |
| US4061874A (en) * | 1976-06-03 | 1977-12-06 | Fricke J P | System for reproducing sound information |
| DE2803751C2 (de) * | 1978-01-28 | 1982-06-09 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Schaltung zur automatischen Dynamik- Kompression oder -Expansion |
| JPS5552971A (en) * | 1978-10-16 | 1980-04-17 | Mitsubishi Electric Corp | Simulator for radar indicator |
-
1981
- 1981-06-26 DK DK282981A patent/DK168806B1/da not_active IP Right Cessation
- 1981-06-26 DK DK282881A patent/DK172325B1/da not_active IP Right Cessation
- 1981-06-26 DK DK282581A patent/DK156356C/da not_active IP Right Cessation
- 1981-06-29 GB GB8119972A patent/GB2079112B/en not_active Expired
- 1981-06-29 GB GB8119974A patent/GB2079114B/en not_active Expired
- 1981-06-29 FI FI812024A patent/FI74368C/fi not_active IP Right Cessation
- 1981-06-29 NL NLAANVRAGE8103124,A patent/NL189988C/xx not_active IP Right Cessation
- 1981-06-29 NO NO812218A patent/NO157400C/no not_active IP Right Cessation
- 1981-06-29 ES ES503493A patent/ES8300233A1/es not_active Expired
- 1981-06-29 SE SE8104062A patent/SE450985B/sv not_active IP Right Cessation
- 1981-06-29 NL NLAANVRAGE8103122,A patent/NL190214C/xx not_active IP Right Cessation
- 1981-06-29 ES ES503497A patent/ES8301084A1/es not_active Expired
- 1981-06-29 GB GB8119973A patent/GB2079113B/en not_active Expired
- 1981-06-29 SE SE8104061A patent/SE447524B/sv not_active IP Right Cessation
- 1981-06-29 NO NO812217A patent/NO157399C/no not_active IP Right Cessation
- 1981-06-29 NL NL8103123A patent/NL192652C/nl not_active IP Right Cessation
- 1981-06-29 FI FI812026A patent/FI76456C/fi not_active IP Right Cessation
- 1981-06-29 NO NO812216A patent/NO157398C/no not_active IP Right Cessation
- 1981-06-29 ES ES503496A patent/ES503496A0/es active Granted
- 1981-06-29 SE SE8104063A patent/SE447525B/sv not_active IP Right Cessation
- 1981-06-29 FI FI812025A patent/FI79428C/fi not_active IP Right Cessation
- 1981-06-30 BR BR8104156A patent/BR8104156A/pt not_active IP Right Cessation
- 1981-06-30 AU AU72393/81A patent/AU544888B2/en not_active Expired
- 1981-06-30 AU AU72365/81A patent/AU546641B2/en not_active Expired
- 1981-06-30 DE DE3125789A patent/DE3125789C2/de not_active Expired
- 1981-06-30 CH CH4293/81A patent/CH654703A5/de not_active IP Right Cessation
- 1981-06-30 IT IT22652/81A patent/IT1137987B/it active
- 1981-06-30 CH CH4294/81A patent/CH660653A5/de not_active IP Right Cessation
- 1981-06-30 KR KR1019810002352A patent/KR840002491B1/ko not_active Expired
- 1981-06-30 DE DE19813125790 patent/DE3125790A1/de active Granted
- 1981-06-30 AT AT0291581A patent/AT372796B/de not_active IP Right Cessation
- 1981-06-30 AT AT0291681A patent/AT386911B/de not_active IP Right Cessation
- 1981-06-30 CH CH4292/81A patent/CH662684A5/de not_active IP Right Cessation
- 1981-06-30 IT IT22650/81A patent/IT1137985B/it active
- 1981-06-30 IT IT22651/81A patent/IT1137986B/it active
- 1981-06-30 BR BR8104157A patent/BR8104157A/pt not_active IP Right Cessation
- 1981-06-30 AU AU72394/81A patent/AU545125B2/en not_active Expired
- 1981-06-30 DE DE19813125788 patent/DE3125788A1/de active Granted
- 1981-06-30 KR KR1019810002351A patent/KR880000106B1/ko not_active Expired
- 1981-06-30 KR KR1019810002350A patent/KR880000105B1/ko not_active Expired
- 1981-06-30 AT AT0291481A patent/AT386304B/de not_active IP Right Cessation
- 1981-06-30 BR BR8104158A patent/BR8104158A/pt not_active IP Right Cessation
-
1984
- 1984-09-19 KR KR1019840005735A patent/KR840002492B1/ko not_active Expired
-
1985
- 1985-01-16 SG SG42/85A patent/SG4285G/en unknown
- 1985-01-16 SG SG43/85A patent/SG4385G/en unknown
- 1985-01-16 SG SG45/85A patent/SG4585G/en unknown
- 1985-04-04 HK HK282/85A patent/HK28285A/xx not_active IP Right Cessation
- 1985-04-04 HK HK283/85A patent/HK28385A/xx not_active IP Right Cessation
- 1985-04-04 HK HK284/85A patent/HK28485A/xx not_active IP Right Cessation
- 1985-12-30 MY MY1147/85A patent/MY8501147A/xx unknown
- 1985-12-30 MY MY1149/85A patent/MY8501149A/xx unknown
- 1985-12-30 MY MY1148/85A patent/MY8501148A/xx unknown
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| Date | Code | Title | Description |
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| NAL | Patent in force |
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