{"id":5680,"date":"2026-03-31T06:26:42","date_gmt":"2026-03-31T04:26:42","guid":{"rendered":"https:\/\/vibiscus.com\/?p=5680"},"modified":"2026-03-31T06:28:38","modified_gmt":"2026-03-31T04:28:38","slug":"difference-reduction-bruit-active-passive","status":"publish","type":"post","link":"https:\/\/vibiscus.com\/fr\/difference-reduction-bruit-active-passive\/","title":{"rendered":"La diff\u00e9rence entre la r\u00e9duction de bruit active et passive"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"5680\" class=\"elementor elementor-5680\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-18067b9f elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"18067b9f\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-5e431166\" data-id=\"5e431166\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-f54ee33 elementor-widget elementor-widget-text-editor\" data-id=\"f54ee33\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Vous avez d\u00e9j\u00e0 entendu ces deux termes\u00a0: <strong>la r\u00e9duction de bruit active et la r\u00e9duction de bruit passive<\/strong>\u00a0? Derri\u00e8re ces deux appellations se cachent des technologies qui, comme vous pouvez ais\u00e9ment le deviner, fonctionnent bien diff\u00e9remment. Mais concr\u00e8tement, quelle est la <strong>diff\u00e9rence entre la r\u00e9duction de bruit active et passive<\/strong> et comment cela se manifeste-t-il au quotidien\u00a0? Vibiscus se penche plus en d\u00e9tail sur la question et vous r\u00e9v\u00e8le tout ce qu\u2019il faut savoir\u00a0!<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-4ecc57c5 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"4ecc57c5\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-676e484d\" data-id=\"676e484d\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-52946cbf elementor-toc--minimized-on-tablet elementor-widget elementor-widget-table-of-contents\" data-id=\"52946cbf\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;headings_by_tags&quot;:[&quot;h2&quot;],&quot;exclude_headings_by_selector&quot;:[],&quot;marker_view&quot;:&quot;bullets&quot;,&quot;no_headings_message&quot;:&quot;No headings were found on this page.&quot;,&quot;icon&quot;:{&quot;value&quot;:&quot;fas fa-circle&quot;,&quot;library&quot;:&quot;fa-solid&quot;,&quot;rendered_tag&quot;:&quot;&lt;svg class=\\&quot;e-font-icon-svg e-fas-circle\\&quot; viewBox=\\&quot;0 0 512 512\\&quot; xmlns=\\&quot;http:\\\/\\\/www.w3.org\\\/2000\\\/svg\\&quot;&gt;&lt;path d=\\&quot;M256 8C119 8 8 119 8 256s111 248 248 248 248-111 248-248S393 8 256 8z\\&quot;&gt;&lt;\\\/path&gt;&lt;\\\/svg&gt;&quot;},&quot;minimize_box&quot;:&quot;yes&quot;,&quot;minimized_on&quot;:&quot;tablet&quot;,&quot;hierarchical_view&quot;:&quot;yes&quot;,&quot;min_height&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;min_height_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;min_height_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]}}\" data-widget_type=\"table-of-contents.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-toc__header\">\n\t\t\t\t\t\t<div class=\"elementor-toc__header-title\">\n\t\t\t\tDans cet article :\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t<div class=\"elementor-toc__toggle-button elementor-toc__toggle-button--expand\" role=\"button\" tabindex=\"0\" aria-controls=\"elementor-toc__52946cbf\" aria-expanded=\"true\" aria-label=\"Ouvrir la table des mati\u00e8res\"><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-chevron-down\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M207.029 381.476L12.686 187.132c-9.373-9.373-9.373-24.569 0-33.941l22.667-22.667c9.357-9.357 24.522-9.375 33.901-.04L224 284.505l154.745-154.021c9.379-9.335 24.544-9.317 33.901.04l22.667 22.667c9.373 9.373 9.373 24.569 0 33.941L240.971 381.476c-9.373 9.372-24.569 9.372-33.942 0z\"><\/path><\/svg><\/div>\n\t\t\t\t<div class=\"elementor-toc__toggle-button elementor-toc__toggle-button--collapse\" role=\"button\" tabindex=\"0\" aria-controls=\"elementor-toc__52946cbf\" aria-expanded=\"true\" aria-label=\"Fermer la table des mati\u00e8res\"><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-chevron-up\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M240.971 130.524l194.343 194.343c9.373 9.373 9.373 24.569 0 33.941l-22.667 22.667c-9.357 9.357-24.522 9.375-33.901.04L224 227.495 69.255 381.516c-9.379 9.335-24.544 9.317-33.901-.04l-22.667-22.667c-9.373-9.373-9.373-24.569 0-33.941L207.03 130.525c9.372-9.373 24.568-9.373 33.941-.001z\"><\/path><\/svg><\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<div id=\"elementor-toc__52946cbf\" class=\"elementor-toc__body\">\n\t\t\t<div class=\"elementor-toc__spinner-container\">\n\t\t\t\t<svg class=\"elementor-toc__spinner eicon-animation-spin e-font-icon-svg e-eicon-loading\" aria-hidden=\"true\" viewBox=\"0 0 1000 1000\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M500 975V858C696 858 858 696 858 500S696 142 500 142 142 304 142 500H25C25 237 238 25 500 25S975 237 975 500 763 975 500 975Z\"><\/path><\/svg>\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-55303f60 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"55303f60\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-2e158af6\" data-id=\"2e158af6\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-6947697b elementor-widget elementor-widget-heading\" data-id=\"6947697b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Comprendre la technologie de r\u00e9duction de bruit active<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-01d3037 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"01d3037\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-6883a72\" data-id=\"6883a72\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-e775d8a elementor-widget elementor-widget-text-editor\" data-id=\"e775d8a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>La r\u00e9duction de bruit active, souvent appel\u00e9e <strong>Active Noise Control (ANC)<\/strong>, repose sur un principe acoustique relativement simple mais technologiquement exigeant : <strong>la cr\u00e9ation d\u2019un signal sonore oppos\u00e9 au bruit initial.<\/strong><\/p><p>Concr\u00e8tement, un syst\u00e8me de r\u00e9duction active du bruit utilise des microphones pour capter les ondes sonores pr\u00e9sentes dans l\u2019environnement. Ces informations sont ensuite analys\u00e9es par un syst\u00e8me \u00e9lectronique capable de <strong>g\u00e9n\u00e9rer un signal sonore inverse<\/strong>. Lorsque ces deux ondes se rencontrent, elles <strong>s\u2019annulent partiellement<\/strong> gr\u00e2ce \u00e0 un ph\u00e9nom\u00e8ne physique appel\u00e9 interf\u00e9rence destructive.<\/p><p>Cette technologie est aujourd\u2019hui bien connue dans certains domaines, notamment les <strong>casques audio<\/strong> ou les environnements confin\u00e9s o\u00f9 les sources sonores sont relativement stables. Dans ces contextes, la r\u00e9duction active du bruit peut s\u2019av\u00e9rer particuli\u00e8rement efficace.<\/p><p>Cependant, <strong>l\u2019application de cette technologie dans des environnements industriels plus complexes pr\u00e9sente plusieurs d\u00e9fis<\/strong>. Les installations industrielles produisent souvent des bruits multiples, variables et difficiles \u00e0 mod\u00e9liser. La pr\u00e9sence de flux d\u2019air, de vibrations m\u00e9caniques ou de structures m\u00e9talliques peut \u00e9galement <strong>perturber la pr\u00e9cision du syst\u00e8me<\/strong>.<\/p><p>De plus, la r\u00e9duction active du bruit n\u00e9cessite une <strong>alimentation \u00e9nerg\u00e9tique constante<\/strong> pour fonctionner. Les microphones, les processeurs et les syst\u00e8mes de diffusion sonore doivent \u00eatre aliment\u00e9s en permanence, ce qui peut \u00eatre un facteur limitant dans certaines installations.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-1df8b44 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"1df8b44\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-448bf97\" data-id=\"448bf97\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-3e334a7 elementor-widget elementor-widget-heading\" data-id=\"3e334a7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">La r\u00e9duction de bruit passive expliqu\u00e9e en quelques mots<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-202b9ec elementor-widget elementor-widget-text-editor\" data-id=\"202b9ec\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>La r\u00e9duction de bruit passive repose sur une <strong>approche radicalement diff\u00e9rente<\/strong>. Plut\u00f4t que de cr\u00e9er un signal sonore oppos\u00e9, elle consiste \u00e0 <strong>utiliser des mat\u00e9riaux ou des structures capables d\u2019absorber<\/strong>, de bloquer ou de dissiper les ondes acoustiques.<\/p><p>Cette m\u00e9thode est historiquement la plus utilis\u00e9e dans l\u2019industrie. Les <strong>silencieux<\/strong>, les <strong>panneaux absorbants <\/strong>ou encore les <strong>mat\u00e9riaux isolants<\/strong> font partie des solutions passives les plus r\u00e9pandues.<\/p><p>Le principe est simple : lorsque les ondes sonores rencontrent un mat\u00e9riau absorbant, une partie de leur \u00e9nergie est transform\u00e9e en chaleur ou <strong>dissip\u00e9e dans la structure du mat\u00e9riau<\/strong>. Cette transformation r\u00e9duit l\u2019intensit\u00e9 du bruit transmis dans l\u2019environnement.<\/p><p>Dans les syst\u00e8mes de ventilation ou les installations CVC, par exemple, les silencieux acoustiques sont souvent utilis\u00e9s pour <strong>limiter la propagation du bruit dans les conduits d\u2019air<\/strong>. Ces dispositifs reposent g\u00e9n\u00e9ralement sur des mat\u00e9riaux fibreux ou poreux capables d\u2019absorber les fr\u00e9quences sonores.<\/p><p>La r\u00e9duction de bruit passive pr\u00e9sente plusieurs avantages. Elle ne n\u00e9cessite <strong>aucune alimentation \u00e9nerg\u00e9tique<\/strong> et <strong>fonctionne de mani\u00e8re continue une fois install\u00e9e<\/strong>. Sa fiabilit\u00e9 et sa simplicit\u00e9 expliquent sa large adoption dans les environnements industriels.<\/p><p>Toutefois, cette approche poss\u00e8de \u00e9galement <strong>certaines limites<\/strong>. Les mat\u00e9riaux absorbants peuvent n\u00e9cessiter un <strong>volume important<\/strong> pour \u00eatre efficaces, ce qui peut poser des contraintes d\u2019int\u00e9gration. Dans certaines installations complexes, leur efficacit\u00e9 peut \u00e9galement varier selon les fr\u00e9quences sonores.<\/p><p>Ces contraintes ont conduit les ing\u00e9nieurs \u00e0 explorer de nouvelles solutions capables d\u2019am\u00e9liorer les performances acoustiques tout en conservant les avantages de l\u2019approche passive.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9193058 elementor-widget elementor-widget-heading\" data-id=\"9193058\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Quelle est concr\u00e8tement la diff\u00e9rence entre la r\u00e9duction de bruit active et passive ?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-098d427 elementor-widget elementor-widget-text-editor\" data-id=\"098d427\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Ainsi, et vous l\u2019aurez peut-\u00eatre d\u00e9j\u00e0 compris si vous vous demandiez quelle est la diff\u00e9rence entre la r\u00e9duction de bruit active et passive\u00a0: celle<strong>-ci tient principalement \u00e0 leur mode d\u2019action sur les ondes sonores.<\/strong><\/p><p>La r\u00e9duction de bruit active agit directement sur les ondes acoustiques en g\u00e9n\u00e9rant un signal oppos\u00e9 destin\u00e9 \u00e0 les annuler. Elle repose sur des syst\u00e8mes \u00e9lectroniques et <strong>n\u00e9cessite une analyse en temps r\u00e9el du bruit ambiant.<\/strong><\/p><p>La r\u00e9duction passive, quant \u00e0 elle, agit de mani\u00e8re physique sur la propagation du son. Elle repose sur des mat\u00e9riaux ou des structures capables <strong>d\u2019absorber ou de bloquer les ondes acoustiques<\/strong>.<\/p><p>Ces deux approches pr\u00e9sentent chacune des avantages et des contraintes. La <strong>r\u00e9duction active<\/strong> peut \u00eatre particuli\u00e8rement performante dans certaines situations sp\u00e9cifiques, notamment pour des <strong>bruits de basse fr\u00e9quence <\/strong>dans des environnements contr\u00f4l\u00e9s.<\/p><p>La <strong>r\u00e9duction passive<\/strong> est int\u00e9ressante par <strong>sa robustesse et sa simplicit\u00e9<\/strong>. Elle est largement utilis\u00e9e dans les installations industrielles car elle ne d\u00e9pend pas d\u2019un syst\u00e8me \u00e9lectronique complexe.<\/p><p>Dans la pratique, le choix entre ces deux technologies d\u00e9pend de nombreux param\u00e8tres. La nature du bruit, la configuration de l\u2019installation, les contraintes d\u2019espace ou encore les exigences \u00e9nerg\u00e9tiques peuvent influencer la solution retenue.<\/p><p>C\u2019est pr\u00e9cis\u00e9ment pour <strong>d\u00e9passer certaines limites de ces approches traditionnelles<\/strong> que de nouvelles technologies acoustiques ont \u00e9t\u00e9 d\u00e9velopp\u00e9es.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1f9de31 elementor-widget elementor-widget-heading\" data-id=\"1f9de31\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Les sp\u00e9cificit\u00e9s de la technologie Vibiscus<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3afed13 elementor-widget elementor-widget-text-editor\" data-id=\"3afed13\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>La technologie d\u00e9velopp\u00e9e par Vibiscus s\u2019inscrit <strong>\u00e0 la crois\u00e9e des approches traditionnelles de r\u00e9duction du bruit<\/strong>. Elle propose une solution innovante qui ne repose ni sur la g\u00e9n\u00e9ration d\u2019un signal sonore suppl\u00e9mentaire ni sur l\u2019utilisation exclusive de mat\u00e9riaux passifs classiques.<\/p><p>Le syst\u00e8me Vibiscus utilise un r\u00e9seau de microphones et de membranes mobiles capable de <strong>modifier les propri\u00e9t\u00e9s acoustiques de l\u2019air environnant<\/strong>. Cette configuration permet de cr\u00e9er une surface absorbante dont les caract\u00e9ristiques peuvent \u00eatre ajust\u00e9es en fonction des besoins.<\/p><p>Lorsque l\u2019air traverse le dispositif, <strong>le bruit est absorb\u00e9 et dissip\u00e9 gr\u00e2ce \u00e0 cette surface acoustique modulable. <\/strong>Contrairement \u00e0 la r\u00e9duction active du bruit, le syst\u00e8me ne g\u00e9n\u00e8re pas de signal sonore destin\u00e9 \u00e0 masquer le bruit.<\/p><p>Cette approche permet notamment de <strong>r\u00e9duire la consommation \u00e9nerg\u00e9tique associ\u00e9e aux technologies actives <\/strong>tout en offrant une efficacit\u00e9 accrue dans des environnements complexes. La conception du produit passe \u00e9galement par une <strong>architecture compacte et modulaire<\/strong> qui facilite son int\u00e9gration dans diff\u00e9rents types de conduits de ventilation ou d\u2019installations industrielles.<\/p><p>En am\u00e9liorant la gestion du bruit tout en optimisant les flux d\u2019air, la technologie Vibiscus contribue \u00e9galement au confort et \u00e0 l\u2019efficacit\u00e9 des installations.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-d77b6a4 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"d77b6a4\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-4036fa4\" data-id=\"4036fa4\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-60cf51e elementor-widget elementor-widget-heading\" data-id=\"60cf51e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Foire Aux Questions<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4901aad elementor-widget elementor-widget-accordion\" data-id=\"4901aad\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"accordion.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-accordion\">\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-7651\" class=\"elementor-tab-title\" data-tab=\"1\" role=\"button\" aria-controls=\"elementor-tab-content-7651\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon elementor-accordion-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-closed\"><svg class=\"e-font-icon-svg e-fas-plus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><svg class=\"e-font-icon-svg e-fas-minus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-accordion-title\" tabindex=\"0\">Qu\u2019est-ce que la r\u00e9duction de bruit active ?<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-7651\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"1\" role=\"region\" aria-labelledby=\"elementor-tab-title-7651\"><p>La r\u00e9duction de bruit active consiste \u00e0 g\u00e9n\u00e9rer un signal sonore oppos\u00e9 au bruit initial afin de r\u00e9duire son intensit\u00e9 gr\u00e2ce \u00e0 un ph\u00e9nom\u00e8ne d\u2019interf\u00e9rence acoustique.<\/p><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-7652\" class=\"elementor-tab-title\" data-tab=\"2\" role=\"button\" aria-controls=\"elementor-tab-content-7652\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon elementor-accordion-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-closed\"><svg class=\"e-font-icon-svg e-fas-plus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><svg class=\"e-font-icon-svg e-fas-minus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-accordion-title\" tabindex=\"0\">Qu\u2019est-ce que la r\u00e9duction de bruit passive ?<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-7652\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"2\" role=\"region\" aria-labelledby=\"elementor-tab-title-7652\"><p>La r\u00e9duction passive repose sur l\u2019utilisation de mat\u00e9riaux ou de structures capables d\u2019absorber ou de bloquer les ondes sonores.<\/p><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-7653\" class=\"elementor-tab-title\" data-tab=\"3\" role=\"button\" aria-controls=\"elementor-tab-content-7653\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon elementor-accordion-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-closed\"><svg class=\"e-font-icon-svg e-fas-plus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><svg class=\"e-font-icon-svg e-fas-minus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-accordion-title\" tabindex=\"0\">Quelle m\u00e9thode est la plus efficace ?<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-7653\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"3\" role=\"region\" aria-labelledby=\"elementor-tab-title-7653\"><p>L\u2019efficacit\u00e9 d\u00e9pend du contexte. La r\u00e9duction active est souvent utilis\u00e9e pour certaines fr\u00e9quences sp\u00e9cifiques, tandis que la r\u00e9duction passive reste largement r\u00e9pandue dans l\u2019industrie.<\/p><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-7654\" class=\"elementor-tab-title\" data-tab=\"4\" role=\"button\" aria-controls=\"elementor-tab-content-7654\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon elementor-accordion-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-closed\"><svg class=\"e-font-icon-svg e-fas-plus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><svg class=\"e-font-icon-svg e-fas-minus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-accordion-title\" tabindex=\"0\">Pourquoi les environnements industriels n\u00e9cessitent-ils des solutions acoustiques sp\u00e9cifiques ?<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-7654\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"4\" role=\"region\" aria-labelledby=\"elementor-tab-title-7654\"><p>Les installations industrielles produisent des bruits complexes, variables et multidirectionnels, ce qui rend leur contr\u00f4le plus difficile.<\/p><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-7655\" class=\"elementor-tab-title\" data-tab=\"5\" role=\"button\" aria-controls=\"elementor-tab-content-7655\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon elementor-accordion-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-closed\"><svg class=\"e-font-icon-svg e-fas-plus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><svg class=\"e-font-icon-svg e-fas-minus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-accordion-title\" tabindex=\"0\">Qu\u2019apporte la technologie Vibiscus ?<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-7655\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"5\" role=\"region\" aria-labelledby=\"elementor-tab-title-7655\"><p>Elle propose une approche innovante du contr\u00f4le acoustique en utilisant une surface absorbante modulable capable d\u2019adapter ses propri\u00e9t\u00e9s acoustiques aux besoins de l\u2019installation.<\/p><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-fd4c33a elementor-widget elementor-widget-text-editor\" data-id=\"fd4c33a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Ainsi, si vous vous demandiez quelle est la diff\u00e9rence entre la r\u00e9duction de bruit active et passive, vous pouvez retenir que celle-ci tient directement \u00e0 la mani\u00e8re de r\u00e9duire le bruit des installations. Envie de profiter d\u2019une technologie innovante \u00e0 la crois\u00e9e de ces deux approches\u00a0? <a href=\"https:\/\/vibiscus.com\/fr\/technologie\/\">Alors d\u00e9couvrez la technologie Vibiscus\u00a0!<\/a><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Vous vous demandez s\u2019il est possible de r\u00e9duire les nuisances des groupes \u00e9lectrog\u00e8nes ? R\u00e9ponse dans cet article. <\/p>\n","protected":false},"author":8,"featured_media":3284,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"content-type":"","footnotes":""},"categories":[16],"tags":[],"class_list":["post-5680","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-sante"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>La diff\u00e9rence entre la r\u00e9duction de bruit active et passive<\/title>\n<meta name=\"description\" content=\"Vibiscus vous pr\u00e9sente plus en d\u00e9tail la diff\u00e9rence entre la r\u00e9duction de bruit active et passive pour vos \u00e9quipements.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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