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ATE282878T1 - Aktive vorrichtung zur abschwächung der schallintensität - Google Patents

Aktive vorrichtung zur abschwächung der schallintensität

Info

Publication number
ATE282878T1
ATE282878T1 AT00420204T AT00420204T ATE282878T1 AT E282878 T1 ATE282878 T1 AT E282878T1 AT 00420204 T AT00420204 T AT 00420204T AT 00420204 T AT00420204 T AT 00420204T AT E282878 T1 ATE282878 T1 AT E282878T1
Authority
AT
Austria
Prior art keywords
attenuation
active device
sound intensity
cancellation
noise
Prior art date
Application number
AT00420204T
Other languages
English (en)
Inventor
Lionel Gaudriot
Jacques Martinat
Original Assignee
Comptoir De La Technologie
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 Comptoir De La Technologie filed Critical Comptoir De La Technologie
Application granted granted Critical
Publication of ATE282878T1 publication Critical patent/ATE282878T1/de

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F8/00—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic
    • E01F8/0094—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic constructions for generation of phase shifting
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
    • G10K11/178—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
    • G10K11/1785—Methods, e.g. algorithms; Devices
    • G10K11/17857—Geometric disposition, e.g. placement of microphones
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
    • G10K11/178—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
    • G10K11/1787—General system configurations
    • G10K11/17879—General system configurations using both a reference signal and an error signal
    • G10K11/17881—General system configurations using both a reference signal and an error signal the reference signal being an acoustic signal, e.g. recorded with a microphone
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K2210/00—Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
    • G10K2210/10—Applications
    • G10K2210/12—Rooms, e.g. ANC inside a room, office, concert hall or automobile cabin
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K2210/00—Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
    • G10K2210/10—Applications
    • G10K2210/124—Traffic
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K2210/00—Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
    • G10K2210/30—Means
    • G10K2210/321—Physical
    • G10K2210/3212—Actuator details, e.g. composition or microstructure
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K2210/00—Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
    • G10K2210/30—Means
    • G10K2210/321—Physical
    • G10K2210/3215—Arrays, e.g. for beamforming

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Acoustics & Sound (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Architecture (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Amplifiers (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
AT00420204T 1999-10-18 2000-10-10 Aktive vorrichtung zur abschwächung der schallintensität ATE282878T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9913164A FR2799873B1 (fr) 1999-10-18 1999-10-18 Dispositif actif d'attenuation de l'intensite sonore

Publications (1)

Publication Number Publication Date
ATE282878T1 true ATE282878T1 (de) 2004-12-15

Family

ID=9551206

Family Applications (1)

Application Number Title Priority Date Filing Date
AT00420204T ATE282878T1 (de) 1999-10-18 2000-10-10 Aktive vorrichtung zur abschwächung der schallintensität

Country Status (5)

Country Link
US (1) US6463156B1 (de)
EP (1) EP1094444B1 (de)
AT (1) ATE282878T1 (de)
DE (1) DE60015902T2 (de)
FR (1) FR2799873B1 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7352870B2 (en) * 2002-03-29 2008-04-01 Kabushiki Kaisha Toshiba Active sound muffler and active sound muffling method
JP2004177419A (ja) * 2002-11-22 2004-06-24 Toshiba Corp 能動回折音制御装置
JP2004361938A (ja) * 2003-05-15 2004-12-24 Takenaka Komuten Co Ltd 騒音低減装置
JP2008213547A (ja) * 2007-02-28 2008-09-18 Nissan Motor Co Ltd 騒音制御装置
JP4311487B2 (ja) * 2007-10-23 2009-08-12 トヨタ自動車株式会社 車室内構造
FR2945890B1 (fr) * 2009-05-20 2011-06-10 Didson Dispositif de generation d'ondes acoustiques, et installation incluant plusieurs de ces dispositifs
US8737634B2 (en) * 2011-03-18 2014-05-27 The United States Of America As Represented By The Secretary Of The Navy Wide area noise cancellation system and method
DE102012005814B4 (de) 2011-03-19 2014-11-20 Hochschule Mittweida (Fh) Aktive Lärmminderungseinrichtung für sich bewegende Lärmquellen
CN106469551A (zh) * 2015-08-19 2017-03-01 中兴通讯股份有限公司 一种管道降噪系统及方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2139941A1 (de) * 1971-08-10 1973-03-01 Messerschmitt Boelkow Blohm Laermabschirmung durch schallgitter
JPS60150399A (ja) * 1984-01-18 1985-08-08 Matsushita Electric Ind Co Ltd パラメトリツクアレイスピ−カ
DE3922185A1 (de) * 1989-07-06 1991-01-17 Telefonbau & Normalzeit Gmbh Anordnung einer lautsprechergruppe fuer fernsprechkonferenzen
US5315661A (en) * 1992-08-12 1994-05-24 Noise Cancellation Technologies, Inc. Active high transmission loss panel
FR2699205B1 (fr) * 1992-12-11 1995-03-10 Decaux Jean Claude Perfectionnements aux procédés et dispositifs pour protéger des bruits extérieurs un volume donné, de préférence disposé à l'intérieur d'un local.
FR2726115B1 (fr) * 1994-10-20 1996-12-06 Comptoir De La Technologie Dispositif actif d'attenuation de l'intensite sonore

Also Published As

Publication number Publication date
FR2799873B1 (fr) 2002-02-08
EP1094444A1 (de) 2001-04-25
US6463156B1 (en) 2002-10-08
EP1094444B1 (de) 2004-11-17
DE60015902D1 (de) 2004-12-23
DE60015902T2 (de) 2005-11-24
FR2799873A1 (fr) 2001-04-20

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties