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
signals
sources
noise
order
sensors
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
Application number
DE1989611064
Other languages
German (de)
English (en)
Other versions
DE68911064D1 (de
Inventor
Yves Grenier
Min Xu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Orange SA
Original Assignee
France Telecom SA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by France Telecom SA filed Critical France Telecom SA
Publication of DE68911064D1 publication Critical patent/DE68911064D1/de
Application granted granted Critical
Publication of DE68911064T2 publication Critical patent/DE68911064T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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)
DE1989611064 1988-08-19 1989-08-18 Einrichtung zur Aufnahme von Schallsignalen mit Störgeräuschunterdrückung. Expired - Fee Related DE68911064T2 (de)

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 (enExample)
DE (1) DE68911064T2 (enExample)
FR (1) FR2635622A1 (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2113952B (en) * 1982-01-27 1985-07-24 Racal Acoustics Ltd Improvements in and relating to communications systems
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

Also Published As

Publication number Publication date
EP0356327A1 (fr) 1990-02-28
EP0356327B1 (fr) 1993-12-01
FR2635622B1 (enExample) 1994-07-13
DE68911064D1 (de) 1994-01-13
FR2635622A1 (fr) 1990-02-23

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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