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FR2949273B1 - Barriere acoustique ajouree permettant un traitement hybride passif/actif du bruit - Google Patents

Barriere acoustique ajouree permettant un traitement hybride passif/actif du bruit

Info

Publication number
FR2949273B1
FR2949273B1 FR0955741A FR0955741A FR2949273B1 FR 2949273 B1 FR2949273 B1 FR 2949273B1 FR 0955741 A FR0955741 A FR 0955741A FR 0955741 A FR0955741 A FR 0955741A FR 2949273 B1 FR2949273 B1 FR 2949273B1
Authority
FR
France
Prior art keywords
passive
acoustic barrier
active hybrid
noise treatment
adjusted acoustic
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
FR0955741A
Other languages
English (en)
Other versions
FR2949273A1 (fr
Inventor
Christian Carme
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.)
Technofirst Fr Ste
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
Application filed by Individual filed Critical Individual
Priority to FR0955741A priority Critical patent/FR2949273B1/fr
Priority to BR112012003874A priority patent/BR112012003874A2/pt
Priority to PCT/FR2010/051750 priority patent/WO2011020977A2/fr
Priority to US13/391,476 priority patent/US20120155669A1/en
Priority to EP10763218.4A priority patent/EP2467847B1/fr
Priority to CA2771692A priority patent/CA2771692A1/fr
Publication of FR2949273A1 publication Critical patent/FR2949273A1/fr
Application granted granted Critical
Publication of FR2949273B1 publication Critical patent/FR2949273B1/fr
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • G10K11/1781—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 characterised by the analysis of input or output signals, e.g. frequency range, modes, transfer functions
    • G10K11/17813—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 characterised by the analysis of input or output signals, e.g. frequency range, modes, transfer functions characterised by the analysis of the acoustic paths, e.g. estimating, calibrating or testing of transfer functions or cross-terms
    • G10K11/17817—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 characterised by the analysis of input or output signals, e.g. frequency range, modes, transfer functions characterised by the analysis of the acoustic paths, e.g. estimating, calibrating or testing of transfer functions or cross-terms between the output signals and the error signals, i.e. secondary path
    • 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
    • G10K11/1785—Methods, e.g. algorithms; Devices
    • G10K11/17861—Methods, e.g. algorithms; Devices using additional means for damping sound, e.g. using sound absorbing panels
    • 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
    • G10K11/17875—General system configurations using an error signal without a reference signal, e.g. pure feedback

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
FR0955741A 2009-08-21 2009-08-21 Barriere acoustique ajouree permettant un traitement hybride passif/actif du bruit Expired - Fee Related FR2949273B1 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
FR0955741A FR2949273B1 (fr) 2009-08-21 2009-08-21 Barriere acoustique ajouree permettant un traitement hybride passif/actif du bruit
BR112012003874A BR112012003874A2 (pt) 2009-08-21 2010-08-20 barreira acústica perfurada, permitindo um tratamento híbrido passivo/ativo do ruído.
PCT/FR2010/051750 WO2011020977A2 (fr) 2009-08-21 2010-08-20 Barrière acoustique ajourée permettant un traitement hybride passif/actif du bruit
US13/391,476 US20120155669A1 (en) 2009-08-21 2010-08-20 Open-worked acoustic barrier for hybrid active/passive noise treatment
EP10763218.4A EP2467847B1 (fr) 2009-08-21 2010-08-20 Barrière acoustique ajourée permettant un traitement hybride passif/actif du bruit
CA2771692A CA2771692A1 (fr) 2009-08-21 2010-08-20 Barriere acoustique ajouree permettant un traitement hybride passif/actif du bruit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0955741A FR2949273B1 (fr) 2009-08-21 2009-08-21 Barriere acoustique ajouree permettant un traitement hybride passif/actif du bruit

Publications (2)

Publication Number Publication Date
FR2949273A1 FR2949273A1 (fr) 2011-02-25
FR2949273B1 true FR2949273B1 (fr) 2015-09-25

Family

ID=42041903

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0955741A Expired - Fee Related FR2949273B1 (fr) 2009-08-21 2009-08-21 Barriere acoustique ajouree permettant un traitement hybride passif/actif du bruit

Country Status (6)

Country Link
US (1) US20120155669A1 (fr)
EP (1) EP2467847B1 (fr)
BR (1) BR112012003874A2 (fr)
CA (1) CA2771692A1 (fr)
FR (1) FR2949273B1 (fr)
WO (1) WO2011020977A2 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10034550B2 (en) 2013-04-23 2018-07-31 Artex Ab Sound dampening device
FR3035432A1 (fr) 2015-04-21 2016-10-28 Sapa Building Systems France Fenetre comprenant un dispositif d’amortissement acoustique
DE102016007391A1 (de) 2016-06-17 2017-12-21 Oaswiss AG (i. G.) Antischallanordnung
CN107724550A (zh) * 2017-11-30 2018-02-23 广东电网有限责任公司电力科学研究院 一种变电站消噪装置
CN110536195B (zh) * 2019-09-29 2021-07-02 商丘华亿通电子科技有限公司 动态降噪喊话器
DE202021001457U1 (de) 2021-04-20 2021-06-16 Frank Sekura Schalldämmendes Element für Fensterlaibungen
CN114150596B (zh) * 2021-12-17 2024-10-29 鲲腾技术有限公司 消音降噪屏障、消音降噪方法、装置、系统及存储介质
CN118548608B (zh) * 2024-06-28 2024-11-08 青岛鼎信科佳新能源有限公司 主动降噪热泵机组及应用于该热泵机组的降噪系统和方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4665549A (en) * 1985-12-18 1987-05-12 Nelson Industries Inc. Hybrid active silencer
FR2595498B1 (fr) 1986-03-07 1989-06-02 Centre Nat Rech Scient Procedes et dispositifs pour attenuer les bruits d'origine externe parvenant au tympan et ameliorer l'intelligibilite des communications electro-acoustiques
FR2736430B1 (fr) 1995-07-05 1997-10-03 Schlumberger Ind Sa Organe de coupure antifraude pour compteur de gaz et compteur de gaz equipe d'un tel organe de coupure
FR2766650A1 (fr) 1997-07-23 1999-01-29 Technofirst Haut-parleur lineaire
US20060285697A1 (en) * 2005-06-17 2006-12-21 Comfozone, Inc. Open-air noise cancellation for diffraction control applications
US20070223714A1 (en) * 2006-01-18 2007-09-27 Masao Nishikawa Open-air noise cancellation system for large open area coverage applications
US7869607B2 (en) * 2006-03-02 2011-01-11 Silentium Ltd. Quiet active fan for servers chassis
US7970148B1 (en) * 2007-05-31 2011-06-28 Raytheon Company Simultaneous enhancement of transmission loss and absorption coefficient using activated cavities

Also Published As

Publication number Publication date
CA2771692A1 (fr) 2011-02-24
US20120155669A1 (en) 2012-06-21
EP2467847B1 (fr) 2019-03-06
EP2467847A2 (fr) 2012-06-27
FR2949273A1 (fr) 2011-02-25
WO2011020977A3 (fr) 2011-11-10
BR112012003874A2 (pt) 2016-03-29
WO2011020977A2 (fr) 2011-02-24

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Legal Events

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Owner name: SOCIETE TECHNOFIRST, FR

Effective date: 20120307

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SN Distraint notified (in the national patent register)

Effective date: 20181022

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ST Notification of lapse

Effective date: 20210405