FR2692425B1 - Dispositif de reproduction sonore par multiamplification active. - Google Patents

Dispositif de reproduction sonore par multiamplification active.

Info

Publication number
FR2692425B1
FR2692425B1 FR9207447A FR9207447A FR2692425B1 FR 2692425 B1 FR2692425 B1 FR 2692425B1 FR 9207447 A FR9207447 A FR 9207447A FR 9207447 A FR9207447 A FR 9207447A FR 2692425 B1 FR2692425 B1 FR 2692425B1
Authority
FR
France
Prior art keywords
loudspeakers
pct
active
date
sound reproduction
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
FR9207447A
Other languages
English (en)
Other versions
FR2692425A1 (fr
Inventor
Alain Azoulay
Jean-Louis Queri
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.)
Individual
Original Assignee
Individual
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
Priority to FR9207447A priority Critical patent/FR2692425B1/fr
Application filed by Individual filed Critical Individual
Priority to DK93913114.0T priority patent/DK0645070T3/da
Priority to CA002137695A priority patent/CA2137695A1/fr
Priority to JP6501187A priority patent/JPH08502863A/ja
Priority to PCT/FR1993/000558 priority patent/WO1993026134A1/fr
Priority to AT93913114T priority patent/ATE151585T1/de
Priority to DE69309679T priority patent/DE69309679T2/de
Priority to US08/360,722 priority patent/US5717766A/en
Priority to EP93913114A priority patent/EP0645070B1/fr
Publication of FR2692425A1 publication Critical patent/FR2692425A1/fr
Application granted granted Critical
Publication of FR2692425B1 publication Critical patent/FR2692425B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; 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
    • H04R1/40—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers
    • H04R1/403—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers loud-speakers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers
    • H04R3/12—Circuits for transducers for distributing signals to two or more loudspeakers

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • General Health & Medical Sciences (AREA)
  • Stereophonic System (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Stereophonic Arrangements (AREA)
  • Amplifiers (AREA)
  • Static Random-Access Memory (AREA)
FR9207447A 1992-06-12 1992-06-12 Dispositif de reproduction sonore par multiamplification active. Expired - Fee Related FR2692425B1 (fr)

Priority Applications (9)

Application Number Priority Date Filing Date Title
FR9207447A FR2692425B1 (fr) 1992-06-12 1992-06-12 Dispositif de reproduction sonore par multiamplification active.
CA002137695A CA2137695A1 (fr) 1992-06-12 1993-06-11 Dispositif de reproduction sonore stereophonique utilisant une pluralite de haut-parleurs dans chaque canal
JP6501187A JPH08502863A (ja) 1992-06-12 1993-06-11 各チャンネル中の複数のラウドスピーカを使用したステレオ音響再生装置
PCT/FR1993/000558 WO1993026134A1 (fr) 1992-06-12 1993-06-11 Dispositif de reproduction sonore stereophonique utilisant une pluralite de haut-parleurs dans chaque canal
DK93913114.0T DK0645070T3 (da) 1992-06-12 1993-06-11 Stereofonisk lydgengivelsesapparat med flere højtalere for hver kanal
AT93913114T ATE151585T1 (de) 1992-06-12 1993-06-11 Stereophonische tonwiedergabevorrichtung mit mehreren lautsprechern fur jeden kanal
DE69309679T DE69309679T2 (de) 1992-06-12 1993-06-11 Stereophonische tonwiedergabevorrichtung mit mehreren lautsprechern fur jeden kanal
US08/360,722 US5717766A (en) 1992-06-12 1993-06-11 Stereophonic sound reproduction apparatus using a plurality of loudspeakers in each channel
EP93913114A EP0645070B1 (fr) 1992-06-12 1993-06-11 Dispositif de reproduction sonore stereophonique utilisant une pluralite de haut-parleurs dans chaque canal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9207447A FR2692425B1 (fr) 1992-06-12 1992-06-12 Dispositif de reproduction sonore par multiamplification active.

Publications (2)

Publication Number Publication Date
FR2692425A1 FR2692425A1 (fr) 1993-12-17
FR2692425B1 true FR2692425B1 (fr) 1997-04-25

Family

ID=9430913

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9207447A Expired - Fee Related FR2692425B1 (fr) 1992-06-12 1992-06-12 Dispositif de reproduction sonore par multiamplification active.

Country Status (9)

Country Link
US (1) US5717766A (fr)
EP (1) EP0645070B1 (fr)
JP (1) JPH08502863A (fr)
AT (1) ATE151585T1 (fr)
CA (1) CA2137695A1 (fr)
DE (1) DE69309679T2 (fr)
DK (1) DK0645070T3 (fr)
FR (1) FR2692425B1 (fr)
WO (1) WO1993026134A1 (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7577260B1 (en) * 1999-09-29 2009-08-18 Cambridge Mechatronics Limited Method and apparatus to direct sound
DE10017653A1 (de) * 2000-04-08 2001-10-18 Basf Coatings Ag Pfropfmischpolymerisate auf Polyurethanbasis, ihre Herstellung und ihre Verwendung
NL1016172C2 (nl) * 2000-09-13 2002-03-15 Johan Van Der Werff Een stelsel van geluidstransducenten met regelbare richteigenschappen.
US20020135534A1 (en) * 2001-01-24 2002-09-26 Elsten Thomas J. Single telephonic line input operable stationary variable information exhibitor and audio pager
US7024002B2 (en) * 2004-01-26 2006-04-04 Dickey Baron C Method and apparatus for spatially enhancing the stereo image in sound reproduction and reinforcement systems
US20060018491A1 (en) * 2004-07-20 2006-01-26 Stiles Enrique M Single-sided Bessel array
DE102005033239A1 (de) * 2005-07-15 2007-01-25 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zum Steuern einer Mehrzahl von Lautsprechern mittels einer graphischen Benutzerschnittstelle
WO2007027893A2 (fr) * 2005-08-30 2007-03-08 The Regents Of The University Of California, Santa Cruz Regression a noyaux pour le traitement et la reconstruction d'images
KR101297300B1 (ko) * 2007-01-31 2013-08-16 삼성전자주식회사 스피커 어레이를 이용한 프론트 서라운드 재생 시스템 및그 신호 재생 방법
KR101547639B1 (ko) * 2009-05-22 2015-08-27 삼성전자 주식회사 사운드 포커싱 장치 및 방법

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4105864A (en) * 1975-07-17 1978-08-08 Teledyne Industries, Inc. Stereo and spaciousness reverberation system using random access memory and multiplex
US4107461A (en) * 1977-06-09 1978-08-15 Bose Corporation Environment for demonstrating a stereo loudspeaker system
US4199657A (en) * 1978-07-21 1980-04-22 Harvey Lane Planar sound reproducing speaker system
FR2441978A1 (fr) * 1978-11-16 1980-06-13 Mumbach Pierre Dispositif de sonorisation amelioree pour grands espaces d'audition
NL8001119A (nl) * 1980-02-25 1981-09-16 Philips Nv Richtingsonafhankelijk luidsprekerszuil- of vlak.
JPS5768991A (en) * 1980-10-16 1982-04-27 Pioneer Electronic Corp Speaker system
NL8105371A (nl) * 1981-11-27 1983-06-16 Philips Nv Inrichting voor het aansturen van een of meer omzeteenheden.
US4598418A (en) * 1985-02-05 1986-07-01 Griffith Jr Eugene R Sound system employing automatic proportional amplification
US4683591A (en) * 1985-04-29 1987-07-28 Emhart Industries, Inc. Proportional power demand audio amplifier control
KR910007182B1 (ko) * 1987-12-21 1991-09-19 마쯔시다덴기산교 가부시기가이샤 스크리인장치
US5004067A (en) * 1988-06-30 1991-04-02 Patronis Eugene T Cinema sound system for unperforated screens
JPH0541897A (ja) * 1991-08-07 1993-02-19 Pioneer Electron Corp スピーカ装置およびその指向性制御方法

Also Published As

Publication number Publication date
DE69309679T2 (de) 1997-10-23
FR2692425A1 (fr) 1993-12-17
US5717766A (en) 1998-02-10
JPH08502863A (ja) 1996-03-26
EP0645070B1 (fr) 1997-04-09
ATE151585T1 (de) 1997-04-15
EP0645070A1 (fr) 1995-03-29
DE69309679D1 (de) 1997-05-15
WO1993026134A1 (fr) 1993-12-23
DK0645070T3 (da) 1997-10-27
CA2137695A1 (fr) 1993-12-23

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Legal Events

Date Code Title Description
AU Other action affecting the ownership or exploitation of an industrial property right
TP Transmission of property
ST Notification of lapse