AU6111194A - Sound pick-up and reproduction apparatus and use thereof for conference calls - Google Patents

Sound pick-up and reproduction apparatus and use thereof for conference calls

Info

Publication number
AU6111194A
AU6111194A AU61111/94A AU6111194A AU6111194A AU 6111194 A AU6111194 A AU 6111194A AU 61111/94 A AU61111/94 A AU 61111/94A AU 6111194 A AU6111194 A AU 6111194A AU 6111194 A AU6111194 A AU 6111194A
Authority
AU
Australia
Prior art keywords
reproduction apparatus
sound pick
conference calls
conference
calls
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.)
Abandoned
Application number
AU61111/94A
Other languages
English (en)
Inventor
Philippe Parment
Frederic Zurcher
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.)
Prescom
Original Assignee
Prescom
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 Prescom filed Critical Prescom
Publication of AU6111194A publication Critical patent/AU6111194A/en
Abandoned legal-status Critical Current

Links

Classifications

    • 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
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/34—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means
    • H04R1/342—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means for microphones
    • 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
    • H04R3/02—Circuits for transducers, loudspeakers or microphones for preventing acoustic reaction, i.e. acoustic oscillatory feedback

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • General Health & Medical Sciences (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
AU61111/94A 1993-03-19 1994-02-18 Sound pick-up and reproduction apparatus and use thereof for conference calls Abandoned AU6111194A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR9303216A FR2702918B1 (fr) 1993-03-19 1993-03-19 Appareil de prise et de restitution de son, et son application à l'audio-conférence.
FR9303216 1993-03-19
PCT/FR1994/000188 WO1994022277A1 (fr) 1993-03-19 1994-02-18 Appareil de prise et de restitution de son, et son application a l'audio-conference

Publications (1)

Publication Number Publication Date
AU6111194A true AU6111194A (en) 1994-10-11

Family

ID=9445174

Family Applications (1)

Application Number Title Priority Date Filing Date
AU61111/94A Abandoned AU6111194A (en) 1993-03-19 1994-02-18 Sound pick-up and reproduction apparatus and use thereof for conference calls

Country Status (6)

Country Link
EP (1) EP0710427B1 (fr)
AU (1) AU6111194A (fr)
DE (1) DE69402322T2 (fr)
ES (1) ES2100052T3 (fr)
FR (1) FR2702918B1 (fr)
WO (1) WO1994022277A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2743685B1 (fr) * 1996-01-17 1998-02-20 Prescom Sarl Appareils de prise de son et appareils de prise de son et de restitution de son
CA2321670C (fr) * 1998-03-09 2005-07-12 Brian Turnbull Boitier de microphone a capteur radial
DE102013219636A1 (de) * 2013-09-27 2015-04-02 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und verfahren zur überlagerung eines schallsignals

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2358800A1 (fr) * 1976-07-16 1978-02-10 Pontet Robert Dispositif de prise de son
CA1050154A (fr) * 1977-01-14 1979-03-06 Conrad D. Lafrance Appareillage de teleconference
FR2617660B1 (fr) * 1987-06-30 1990-06-08 Larvor Rene Dispositif de prise et de restitution du son, notamment pour audio-conferences
FR2670351B1 (fr) * 1990-12-05 1997-04-30 France Etat Appareil de prise et de restitution du son.
FR2682251B1 (fr) * 1991-10-02 1997-04-25 Prescom Sarl Procede et systeme de prise de son, et appareil de prise et de restitution de son.

Also Published As

Publication number Publication date
DE69402322T2 (de) 1997-10-23
WO1994022277A1 (fr) 1994-09-29
ES2100052T3 (es) 1997-06-01
EP0710427B1 (fr) 1997-03-26
FR2702918B1 (fr) 1995-05-12
FR2702918A1 (fr) 1994-09-23
EP0710427A1 (fr) 1996-05-08
DE69402322D1 (de) 1997-04-30

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