WO2011020977A3 - Barrière acoustique ajourée permettant un traitement hybride passif/actif du bruit - Google Patents

Barrière acoustique ajourée permettant un traitement hybride passif/actif du bruit Download PDF

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Publication number
WO2011020977A3
WO2011020977A3 PCT/FR2010/051750 FR2010051750W WO2011020977A3 WO 2011020977 A3 WO2011020977 A3 WO 2011020977A3 FR 2010051750 W FR2010051750 W FR 2010051750W WO 2011020977 A3 WO2011020977 A3 WO 2011020977A3
Authority
WO
WIPO (PCT)
Prior art keywords
loudspeaker
microphone
sound
passive
sound reduction
Prior art date
Application number
PCT/FR2010/051750
Other languages
English (en)
Other versions
WO2011020977A2 (fr
Inventor
Christian Carme
Original Assignee
Christian Carme
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 Christian Carme filed Critical Christian Carme
Priority to US13/391,476 priority Critical patent/US20120155669A1/en
Priority to BR112012003874A priority patent/BR112012003874A2/pt
Priority to EP10763218.4A priority patent/EP2467847B1/fr
Priority to CA2771692A priority patent/CA2771692A1/fr
Publication of WO2011020977A2 publication Critical patent/WO2011020977A2/fr
Publication of WO2011020977A3 publication Critical patent/WO2011020977A3/fr

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

Abstract

L'invention concerne un procédé et un dispositif de réduction acoustique passive et active comprenant m poutres électro-acoustiques (41) côte à côte et séparées par un intervalle (D) constituant ainsi une barrière acoustique à clairevoies combinant un effet passif et un effet actif de réduction du bruit. Chaque poutre électro-acoustique (41) comprend une pluralité d'éléments de réduction acoustique (70) disposés côte à côte, chaque élément de réduction acoustique (70) comprenant un microphone (62) et un haut-parleur (61) placés dans un caisson (60), réalisé en matériau absorbantacoustique passif ou comprenant un matériau absorbantacoustique passif, le microphone (62) et le haut-parleur (61) étant reliés à une électronique de contrôle (73) apte à recevoir une mesure de la fonction de transfert entre le microphone (62) et le haut- parleur (61)et àcalculer un filtre électronique de contrôle à contre-réaction, pour chaque élément de réduction acoustique (70), à partir de la fonction de transfert entre le microphone (62) et le haut-parleur (61) et permettant, au sein de chaque élément de réduction acoustique (70), de boucler le haut-parleur (61) sur le microphone (62) électro-acoustiquement en amplifiant la contre-réaction afin d'obtenir un effet d'absorption acoustique en temps réel pour une gamme de fréquences prédéterminée.
PCT/FR2010/051750 2009-08-21 2010-08-20 Barrière acoustique ajourée permettant un traitement hybride passif/actif du bruit WO2011020977A2 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
US13/391,476 US20120155669A1 (en) 2009-08-21 2010-08-20 Open-worked acoustic barrier for hybrid active/passive noise treatment
BR112012003874A BR112012003874A2 (pt) 2009-08-21 2010-08-20 barreira acústica perfurada, permitindo um tratamento híbrido passivo/ativo do ruído.
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 (2)

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
FR0955741 2009-08-21

Publications (2)

Publication Number Publication Date
WO2011020977A2 WO2011020977A2 (fr) 2011-02-24
WO2011020977A3 true WO2011020977A3 (fr) 2011-11-10

Family

ID=42041903

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/FR2010/051750 WO2011020977A2 (fr) 2009-08-21 2010-08-20 Barrière acoustique ajourée 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 (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2989264B1 (fr) * 2013-04-23 2021-10-20 Artex AB Dispositif d'insonorisation
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

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Family Cites Families (6)

* 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
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

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Also Published As

Publication number Publication date
FR2949273B1 (fr) 2015-09-25
US20120155669A1 (en) 2012-06-21
EP2467847B1 (fr) 2019-03-06
FR2949273A1 (fr) 2011-02-25
CA2771692A1 (fr) 2011-02-24
EP2467847A2 (fr) 2012-06-27
BR112012003874A2 (pt) 2016-03-29
WO2011020977A2 (fr) 2011-02-24

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