CA2025002A1 - Melangeur de signaux automatique - Google Patents
Melangeur de signaux automatiqueInfo
- Publication number
- CA2025002A1 CA2025002A1 CA2025002A CA2025002A CA2025002A1 CA 2025002 A1 CA2025002 A1 CA 2025002A1 CA 2025002 A CA2025002 A CA 2025002A CA 2025002 A CA2025002 A CA 2025002A CA 2025002 A1 CA2025002 A1 CA 2025002A1
- Authority
- CA
- Canada
- Prior art keywords
- level
- gain control
- circuit
- voltage control
- amplifiers
- 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
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
- H03G3/301—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers the gain being continuously variable
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R27/00—Public address systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
- H04R3/005—Circuits for transducers, loudspeakers or microphones for combining the signals of two or more microphones
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Control Of Amplification And Gain Control (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP266985/1989 | 1989-10-13 | ||
JP266986/1989 | 1989-10-13 | ||
JP26698589A JPH0611094B2 (ja) | 1989-10-13 | 1989-10-13 | 自動ミキサ装置 |
JP26698689A JPH0611095B2 (ja) | 1989-10-13 | 1989-10-13 | 自動ミキサ装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2025002A1 true CA2025002A1 (fr) | 1991-04-14 |
CA2025002C CA2025002C (fr) | 1998-12-15 |
Family
ID=26547675
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002025002A Expired - Lifetime CA2025002C (fr) | 1989-10-13 | 1990-09-10 | Melangeur de signaux automatique |
Country Status (2)
Country | Link |
---|---|
US (1) | US5148491A (fr) |
CA (1) | CA2025002C (fr) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB9027784D0 (en) * | 1990-12-21 | 1991-02-13 | Northern Light Music Limited | Improved hearing aid system |
US5444433A (en) * | 1994-03-07 | 1995-08-22 | Gropper; Daniel R. | Modular emergency or weather alert interface system |
US5734731A (en) * | 1994-11-29 | 1998-03-31 | Marx; Elliot S. | Real time audio mixer |
US5652800A (en) * | 1995-11-02 | 1997-07-29 | Peavey Electronics Corporation | Automatic mixer priority circuit |
IT1283357B1 (it) * | 1996-07-29 | 1998-04-17 | M B International S R L | Procedimento per la regolazione individuale di livelli di segnali in un'operazione di miscelazione di tali segnali |
US6233548B1 (en) * | 1998-07-29 | 2001-05-15 | Stephen R. Schwartz | Method and apparatus for performing level compensation for an input signal |
AU2001278891A1 (en) * | 2000-07-11 | 2002-01-21 | American Technology Corporation | Dynamic power sharing in a multi-channel sound system |
US7298852B2 (en) * | 2001-07-11 | 2007-11-20 | American Technology Corporation | Dynamic power sharing in a multi-channel sound system |
US6545953B1 (en) * | 2001-03-23 | 2003-04-08 | Lawrence A. Herbert | Audio signal manipulator system |
US7512392B2 (en) * | 2004-08-12 | 2009-03-31 | Skyworks Solutions, Inc. | System for adaptively filtering a received signal in a wireless receiver |
US20060093163A1 (en) * | 2004-10-29 | 2006-05-04 | Herbert Lawrence A | Audio signal manipulator system |
JP5151401B2 (ja) * | 2007-11-06 | 2013-02-27 | ヤマハ株式会社 | 音声処理装置 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4296278A (en) * | 1979-01-05 | 1981-10-20 | Altec Corporation | Loudspeaker overload protection circuit |
US4489442A (en) * | 1982-09-30 | 1984-12-18 | Shure Brothers, Inc. | Sound actuated microphone system |
US4503554A (en) * | 1983-06-03 | 1985-03-05 | Dbx, Inc. | Stereophonic balance control system |
US4633495A (en) * | 1985-07-23 | 1986-12-30 | Recoton Corporation | TV stereo adapter |
US4852176A (en) * | 1986-05-12 | 1989-07-25 | Truhe Jr Joseph V | Continuous differential signal equalizer |
-
1990
- 1990-08-30 US US07/575,243 patent/US5148491A/en not_active Expired - Lifetime
- 1990-09-10 CA CA002025002A patent/CA2025002C/fr not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US5148491A (en) | 1992-09-15 |
CA2025002C (fr) | 1998-12-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKEX | Expiry |