SE460692B - Saett och anordning foer att styra foerstaerkningsfaktorn i en foerstaerkare - Google Patents
Saett och anordning foer att styra foerstaerkningsfaktorn i en foerstaerkareInfo
- Publication number
- SE460692B SE460692B SE8402166A SE8402166A SE460692B SE 460692 B SE460692 B SE 460692B SE 8402166 A SE8402166 A SE 8402166A SE 8402166 A SE8402166 A SE 8402166A SE 460692 B SE460692 B SE 460692B
- Authority
- SE
- Sweden
- Prior art keywords
- memory
- constant
- gain
- signal
- amplitude
- Prior art date
Links
- 238000000034 method Methods 0.000 claims description 38
- 230000009467 reduction Effects 0.000 claims description 5
- VREFGVBLTWBCJP-UHFFFAOYSA-N alprazolam Chemical compound C12=CC(Cl)=CC=C2N2C(C)=NN=C2CN=C1C1=CC=CC=C1 VREFGVBLTWBCJP-UHFFFAOYSA-N 0.000 claims 1
- 230000008569 process Effects 0.000 description 10
- 238000012545 processing Methods 0.000 description 7
- 230000003321 amplification Effects 0.000 description 5
- 238000003199 nucleic acid amplification method Methods 0.000 description 5
- 230000005236 sound signal Effects 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 101100298295 Drosophila melanogaster flfl gene Proteins 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000003340 mental effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/20—Automatic control
- H03G3/30—Automatic control in amplifiers having semiconductor devices
- H03G3/3005—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers
- H03G3/3026—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers the gain being discontinuously variable, e.g. controlled by switching
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Control Of Amplification And Gain Control (AREA)
- Analogue/Digital Conversion (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19833314570 DE3314570A1 (de) | 1983-04-22 | 1983-04-22 | Verfahren und anordnung zur einstellung der verstaerkung |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| SE8402166D0 SE8402166D0 (sv) | 1984-04-18 |
| SE8402166L SE8402166L (sv) | 1984-10-23 |
| SE460692B true SE460692B (sv) | 1989-11-06 |
Family
ID=6197047
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE8402166A SE460692B (sv) | 1983-04-22 | 1984-04-18 | Saett och anordning foer att styra foerstaerkningsfaktorn i en foerstaerkare |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US4543537A (de) |
| JP (1) | JPS59207730A (de) |
| CA (1) | CA1224546A (de) |
| DE (1) | DE3314570A1 (de) |
| FR (1) | FR2544933B1 (de) |
| GB (1) | GB2139025B (de) |
| SE (1) | SE460692B (de) |
Families Citing this family (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2655168C3 (de) * | 1976-12-06 | 1981-12-17 | Siemens AG, 1000 Berlin und 8000 München | Einstellbarer elektronischer Zeitschalter |
| JPS61117924A (ja) * | 1984-11-13 | 1986-06-05 | Sony Corp | 画像補正装置 |
| JPH027099A (ja) * | 1988-06-27 | 1990-01-11 | Toshiba Corp | 過大音声検出装置 |
| DE4207837A1 (de) * | 1992-03-12 | 1993-09-16 | Sel Alcatel Ag | Verfahren und vorrichtung zur ueberpruefung und erlangung einer zugangsberechtigung |
| US5822718A (en) * | 1997-01-29 | 1998-10-13 | International Business Machines Corporation | Device and method for performing diagnostics on a microphone |
| US6651040B1 (en) * | 2000-05-31 | 2003-11-18 | International Business Machines Corporation | Method for dynamic adjustment of audio input gain in a speech system |
| US7130705B2 (en) * | 2001-01-08 | 2006-10-31 | International Business Machines Corporation | System and method for microphone gain adjust based on speaker orientation |
| US7454331B2 (en) * | 2002-08-30 | 2008-11-18 | Dolby Laboratories Licensing Corporation | Controlling loudness of speech in signals that contain speech and other types of audio material |
| SG185134A1 (en) * | 2003-05-28 | 2012-11-29 | Dolby Lab Licensing Corp | Method, apparatus and computer program for calculating and adjusting the perceived loudness of an audio signal |
| US8199933B2 (en) | 2004-10-26 | 2012-06-12 | Dolby Laboratories Licensing Corporation | Calculating and adjusting the perceived loudness and/or the perceived spectral balance of an audio signal |
| KR101261212B1 (ko) | 2004-10-26 | 2013-05-07 | 돌비 레버러토리즈 라이쎈싱 코오포레이션 | 오디오 신호 처리 방법 및 장치 |
| AU2006237133B2 (en) * | 2005-04-18 | 2012-01-19 | Basf Se | Preparation containing at least one conazole fungicide a further fungicide and a stabilising copolymer |
| TWI517562B (zh) | 2006-04-04 | 2016-01-11 | 杜比實驗室特許公司 | 用於將多聲道音訊信號之全面感知響度縮放一期望量的方法、裝置及電腦程式 |
| WO2007120452A1 (en) * | 2006-04-04 | 2007-10-25 | Dolby Laboratories Licensing Corporation | Audio signal loudness measurement and modification in the mdct domain |
| EP2011234B1 (de) | 2006-04-27 | 2010-12-29 | Dolby Laboratories Licensing Corporation | Tonverstärkungsregelung mit erfassung von publikumsereignissen auf der basis von spezifischer lautstärke |
| RU2413357C2 (ru) | 2006-10-20 | 2011-02-27 | Долби Лэборетериз Лайсенсинг Корпорейшн | Обработка динамических свойств аудио с использованием перенастройки |
| US8521314B2 (en) * | 2006-11-01 | 2013-08-27 | Dolby Laboratories Licensing Corporation | Hierarchical control path with constraints for audio dynamics processing |
| ATE535906T1 (de) * | 2007-07-13 | 2011-12-15 | Dolby Lab Licensing Corp | Tonverarbeitung mittels auditorischer szenenanalyse und spektraler asymmetrie |
| US8185387B1 (en) * | 2011-11-14 | 2012-05-22 | Google Inc. | Automatic gain control |
| CN103227615B (zh) * | 2012-01-31 | 2015-09-09 | 富士通株式会社 | 自动增益控制装置和方法、功率调整装置和无线发射系统 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3525948A (en) * | 1966-03-25 | 1970-08-25 | Sds Data Systems Inc | Seismic amplifiers |
| FR2378401A1 (fr) * | 1977-01-20 | 1978-08-18 | Cit Alcatel | Procede et dispositif pour adapter un signal analogique en vue de son codage numerique dans un codeur ayant une plage de codage donnee |
| JPS57146297A (en) * | 1981-03-04 | 1982-09-09 | Nippon Electric Co | Voice processor |
| CA1197320A (en) * | 1981-10-30 | 1985-11-26 | Joseph F. Schanne | Adaptive analog-to-digital conversion method and system |
| US4434439A (en) * | 1982-02-22 | 1984-02-28 | Rca Corporation | Digital television AGC arrangement |
| US4449104A (en) * | 1982-04-23 | 1984-05-15 | General Electric Company | Circuit for controlling the output level of an electronic device |
-
1983
- 1983-04-22 DE DE19833314570 patent/DE3314570A1/de not_active Withdrawn
-
1984
- 1984-04-17 GB GB08409892A patent/GB2139025B/en not_active Expired
- 1984-04-18 SE SE8402166A patent/SE460692B/sv not_active IP Right Cessation
- 1984-04-19 CA CA000452525A patent/CA1224546A/en not_active Expired
- 1984-04-19 JP JP59079315A patent/JPS59207730A/ja active Pending
- 1984-04-20 FR FR8406344A patent/FR2544933B1/fr not_active Expired
- 1984-04-23 US US06/602,851 patent/US4543537A/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| GB8409892D0 (en) | 1984-05-31 |
| US4543537A (en) | 1985-09-24 |
| CA1224546A (en) | 1987-07-21 |
| JPS59207730A (ja) | 1984-11-24 |
| FR2544933A1 (fr) | 1984-10-26 |
| GB2139025A (en) | 1984-10-31 |
| SE8402166L (sv) | 1984-10-23 |
| SE8402166D0 (sv) | 1984-04-18 |
| GB2139025B (en) | 1986-08-28 |
| FR2544933B1 (fr) | 1987-01-23 |
| DE3314570A1 (de) | 1984-10-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NUG | Patent has lapsed |
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