DE68911064T2 - Einrichtung zur Aufnahme von Schallsignalen mit Störgeräuschunterdrückung. - Google Patents
Einrichtung zur Aufnahme von Schallsignalen mit Störgeräuschunterdrückung.Info
- Publication number
- DE68911064T2 DE68911064T2 DE1989611064 DE68911064T DE68911064T2 DE 68911064 T2 DE68911064 T2 DE 68911064T2 DE 1989611064 DE1989611064 DE 1989611064 DE 68911064 T DE68911064 T DE 68911064T DE 68911064 T2 DE68911064 T2 DE 68911064T2
- Authority
- DE
- Germany
- Prior art keywords
- noise suppression
- sound signals
- recording sound
- recording
- suppression
- 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.)
- Expired - Fee Related
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H17/00—Networks using digital techniques
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
- H04K3/00—Jamming of communication; Counter-measures
- H04K3/20—Countermeasures against jamming
- H04K3/22—Countermeasures against jamming including jamming detection and monitoring
- H04K3/224—Countermeasures against jamming including jamming detection and monitoring with countermeasures at transmission and/or reception of the jammed signal, e.g. stopping operation of transmitter or receiver, nulling or enhancing transmitted power in direction of or at frequency of jammer
- H04K3/228—Elimination in the received signal of jamming or of data corrupted by jamming
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2410/00—Microphones
- H04R2410/05—Noise reduction with a separate noise microphone
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
- Circuit For Audible Band Transducer (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8811042A FR2635622A1 (fr) | 1988-08-19 | 1988-08-19 | Dispositif de saisie de signaux sonores a elimination de brouilleur |
Publications (2)
Publication Number | Publication Date |
---|---|
DE68911064D1 DE68911064D1 (de) | 1994-01-13 |
DE68911064T2 true DE68911064T2 (de) | 1994-03-31 |
Family
ID=9369423
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE1989611064 Expired - Fee Related DE68911064T2 (de) | 1988-08-19 | 1989-08-18 | Einrichtung zur Aufnahme von Schallsignalen mit Störgeräuschunterdrückung. |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0356327B1 (de) |
DE (1) | DE68911064T2 (de) |
FR (1) | FR2635622A1 (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2728753A1 (fr) * | 1994-12-21 | 1996-06-28 | Grenier Yves | Dispositif de prise de sons comprenant un systeme video pour le reglage de parametres et procede de reglage |
WO1997023765A1 (en) | 1995-12-22 | 1997-07-03 | A/S Brüel & Kjær | A system and a method for measuring a continuous signal |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0084982B1 (de) * | 1982-01-27 | 1987-11-11 | Racal Acoustics Limited | Kommunikationssysteme |
US4653102A (en) * | 1985-11-05 | 1987-03-24 | Position Orientation Systems | Directional microphone system |
JPS62135020A (ja) * | 1985-12-06 | 1987-06-18 | Nec Corp | 雑音消去装置 |
-
1988
- 1988-08-19 FR FR8811042A patent/FR2635622A1/fr active Granted
-
1989
- 1989-08-18 EP EP19890402308 patent/EP0356327B1/de not_active Expired - Lifetime
- 1989-08-18 DE DE1989611064 patent/DE68911064T2/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
FR2635622B1 (de) | 1994-07-13 |
FR2635622A1 (fr) | 1990-02-23 |
EP0356327A1 (de) | 1990-02-28 |
DE68911064D1 (de) | 1994-01-13 |
EP0356327B1 (de) | 1993-12-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |