{"id":27250,"date":"2022-06-23T11:55:32","date_gmt":"2022-06-23T10:55:32","guid":{"rendered":"https:\/\/www.imperalum.com\/le-bruit-de-lair\/"},"modified":"2022-06-23T11:56:17","modified_gmt":"2022-06-23T10:56:17","slug":"le-bruit-de-lair","status":"publish","type":"page","link":"https:\/\/www.imperalum.com\/fr\/solutions\/solutions-disolation-acoustique\/le-bruit-de-lair\/","title":{"rendered":"Le Bruit de l\u2019Air"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"27250\" class=\"elementor elementor-27250 elementor-22848\" data-elementor-post-type=\"page\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-277876ed elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"277876ed\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div 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href=\"https:\/\/www.imperalum.com\/fr\/\">Home<\/a><\/span><\/span><\/p>\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-b8daabb elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"b8daabb\" 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-33 elementor-top-column elementor-element elementor-element-a50f4cb\" data-id=\"a50f4cb\" 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-d76278d elementor-widget elementor-widget-heading\" data-id=\"d76278d\" data-element_type=\"widget\" data-e-type=\"widget\" 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href=\"https:\/\/www.imperalum.com\/fr\/solutions\/solutions-disolation-acoustique\/temps-de-reverberation\/\" class=\"elementor-item\">Temps de R\u00e9verb\u00e9ration<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-27337\"><a href=\"https:\/\/www.imperalum.com\/fr\/solutions\/solutions-disolation-acoustique\/bandes-de-frequence\/\" class=\"elementor-item\">Bandes de Fr\u00e9quence<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-27338\"><a href=\"https:\/\/www.imperalum.com\/fr\/solutions\/solutions-disolation-acoustique\/bruits-aeriens-et-dimpact\/\" class=\"elementor-item\">Bruits A\u00e9riens et d\u2019impact<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-27535\"><a href=\"https:\/\/www.imperalum.com\/fr\/solutions\/solutions-disolation-acoustique\/normes\/\" class=\"elementor-item\">Normes<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type 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menu-item-object-page menu-item-27539\"><a href=\"https:\/\/www.imperalum.com\/fr\/solutions\/solutions-disolation-acoustique\/transmission-laterale\/\" class=\"elementor-item\">Transmission Lat\u00e9rale<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-27540\"><a href=\"https:\/\/www.imperalum.com\/fr\/solutions\/solutions-disolation-acoustique\/considerations-generales\/\" class=\"elementor-item\">Consid\u00e9rations G\u00e9n\u00e9rales<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-27541\"><a href=\"https:\/\/www.imperalum.com\/fr\/solutions\/solutions-disolation-acoustique\/solutions-pour-la-correction-acoustique-despaces\/\" class=\"elementor-item\">Solutions pour la correction acoustique d\u2019espaces<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-27542\"><a 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href=\"https:\/\/www.imperalum.com\/fr\/solutions\/solutions-disolation-acoustique\/vitesse-de-propagation-du-son\/\" class=\"elementor-item\" tabindex=\"-1\">Vitesse de Propagation du Son<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-27333\"><a href=\"https:\/\/www.imperalum.com\/fr\/solutions\/solutions-disolation-acoustique\/longueur-donde\/\" class=\"elementor-item\" tabindex=\"-1\">Longueur d\u2019Onde<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-27334\"><a href=\"https:\/\/www.imperalum.com\/fr\/solutions\/solutions-disolation-acoustique\/niveau-de-pression-et-de-puissance-acoustique\/\" class=\"elementor-item\" tabindex=\"-1\">Niveau de Pression et de Puissance Acoustique<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-27335\"><a href=\"https:\/\/www.imperalum.com\/fr\/solutions\/solutions-disolation-acoustique\/niveau-acoustique\/\" class=\"elementor-item\" tabindex=\"-1\">Niveau acoustique<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-27336\"><a href=\"https:\/\/www.imperalum.com\/fr\/solutions\/solutions-disolation-acoustique\/temps-de-reverberation\/\" class=\"elementor-item\" tabindex=\"-1\">Temps de R\u00e9verb\u00e9ration<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-27337\"><a href=\"https:\/\/www.imperalum.com\/fr\/solutions\/solutions-disolation-acoustique\/bandes-de-frequence\/\" class=\"elementor-item\" tabindex=\"-1\">Bandes de Fr\u00e9quence<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-27338\"><a href=\"https:\/\/www.imperalum.com\/fr\/solutions\/solutions-disolation-acoustique\/bruits-aeriens-et-dimpact\/\" class=\"elementor-item\" tabindex=\"-1\">Bruits A\u00e9riens et d\u2019impact<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-27535\"><a href=\"https:\/\/www.imperalum.com\/fr\/solutions\/solutions-disolation-acoustique\/normes\/\" class=\"elementor-item\" tabindex=\"-1\">Normes<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-27536\"><a href=\"https:\/\/www.imperalum.com\/fr\/solutions\/solutions-disolation-acoustique\/indice-disolement-aux-bruits-aeriens\/\" class=\"elementor-item\" tabindex=\"-1\">Indice d\u2019Isolement aux bruits a\u00e9riens<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-27537\"><a href=\"https:\/\/www.imperalum.com\/fr\/solutions\/solutions-disolation-acoustique\/indice-disolement-aux-bruits-dimpact\/\" class=\"elementor-item\" tabindex=\"-1\">Indice d\u2019Isolement aux bruits d\u2019impact<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-27538\"><a href=\"https:\/\/www.imperalum.com\/fr\/solutions\/solutions-disolation-acoustique\/affaiblissement-acoustique-de-revetements-de-sol-ou-systemes-de-plancher-flottant\/\" class=\"elementor-item\" tabindex=\"-1\">Affaiblissement Acoustique de Rev\u00eatements de Sol ou Syst\u00e8mes de Plancher Flottant<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-27539\"><a href=\"https:\/\/www.imperalum.com\/fr\/solutions\/solutions-disolation-acoustique\/transmission-laterale\/\" class=\"elementor-item\" tabindex=\"-1\">Transmission Lat\u00e9rale<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-27540\"><a href=\"https:\/\/www.imperalum.com\/fr\/solutions\/solutions-disolation-acoustique\/considerations-generales\/\" class=\"elementor-item\" tabindex=\"-1\">Consid\u00e9rations G\u00e9n\u00e9rales<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-27541\"><a href=\"https:\/\/www.imperalum.com\/fr\/solutions\/solutions-disolation-acoustique\/solutions-pour-la-correction-acoustique-despaces\/\" class=\"elementor-item\" tabindex=\"-1\">Solutions pour la correction acoustique d\u2019espaces<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-27542\"><a href=\"https:\/\/www.imperalum.com\/fr\/solutions\/solutions-disolation-acoustique\/materiaux-poreux\/\" class=\"elementor-item\" tabindex=\"-1\">Mat\u00e9riaux Poreux<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-27339\"><a href=\"https:\/\/www.imperalum.com\/fr\/solutions\/solutions-disolation-acoustique\/systemes-resonants\/\" class=\"elementor-item\" tabindex=\"-1\">Syst\u00e8mes R\u00e9sonants<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-28293\"><a href=\"https:\/\/www.imperalum.com\/fr\/solutions\/solutions-disolation-acoustique\/solucoes-construtivas-imperalum\/\" class=\"elementor-item\" tabindex=\"-1\">Solu\u00e7\u00f5es Construtivas Imperalum<\/a><\/li>\n<\/ul>\t\t\t<\/nav>\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<div class=\"elementor-column elementor-col-66 elementor-top-column elementor-element elementor-element-c9f0490\" data-id=\"c9f0490\" 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-b38c5b4 elementor-widget elementor-widget-text-editor\" data-id=\"b38c5b4\" 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>Les mouvements d\u2019un corps en vibration, le fonctionnement d\u2019appareils radio et de t\u00e9l\u00e9vision, les mont\u00e9es de gaz, etc., provoquent des perturbations dans l\u2019environnement voisin. Ces perturbations se traduisent par des contractions et des dilatations de volumes d\u2019air \u00e9l\u00e9mentaires auxquelles correspondent respectivement:<br \/>\u2013\u00a0une modification de pression, qui au repos est la pression atmosph\u00e9rique P0<br \/>\u2013 un mouvement vibratoire des particules d\u2019air<\/p><p>En propageant et en atteignant le pr\u00e9cipit\u00e9, ces perturbations impressionnent le tympan et par cons\u00e9quent le syst\u00e8me auditif humain. Ainsi, et dans certaines conditions, il s\u2019agit d\u2019un bruit.<\/p><p>\u00a0<\/p><p><img fetchpriority=\"high\" decoding=\"async\" class=\"aligncenter wp-image-1788 size-full\" src=\"https:\/\/imperalum.com\/cms\/wp-content\/uploads\/2014\/08\/som-no-ar.gif\" alt=\"som no ar\" width=\"410\" height=\"168\" \/><\/p><p>Pour un point A d\u00e9fini, la pression totale qui en r\u00e9sulte correspond \u00e0 la somme de la pression atmosph\u00e9rique P avec la pression due aux perturbations cit\u00e9es, d\u00e9sign\u00e9e par P(t). Dans ces circonstances, on d\u00e9finit la pression acoustique, P(t), qui est fonction du temps, t, la grandeu.<\/p><p><img decoding=\"async\" class=\"size-full wp-image-1789 aligncenter\" src=\"https:\/\/imperalum.com\/cms\/wp-content\/uploads\/2014\/08\/som2.gif\" alt=\"som2\" width=\"136\" height=\"34\" \/><\/p><p><img decoding=\"async\" src=\"https:\/\/www.imperalum.com\/?solucoes=isolamento-e-condicionamento-em-edificios-o-som-no-ar\" alt=\"\" \/><\/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>Conceitos gerais de ac\u00fastica Les mouvements d\u2019un corps en vibration, le fonctionnement d\u2019appareils radio et de t\u00e9l\u00e9vision, les mont\u00e9es de gaz, etc., provoquent des perturbations dans l\u2019environnement voisin. Ces perturbations se traduisent par des contractions et des dilatations de volumes d\u2019air \u00e9l\u00e9mentaires auxquelles correspondent respectivement:\u2013\u00a0une modification de pression, qui au repos est la pression atmosph\u00e9rique [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":27559,"menu_order":180,"comment_status":"closed","ping_status":"closed","template":"elementor_header_footer","meta":{"footnotes":""},"class_list":["post-27250","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Le Bruit de l\u2019Air - Imperalum<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.imperalum.com\/fr\/solutions\/solutions-disolation-acoustique\/le-bruit-de-lair\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Le Bruit de l\u2019Air - Imperalum\" \/>\n<meta property=\"og:description\" content=\"Conceitos gerais de ac\u00fastica Les mouvements d\u2019un corps en vibration, le fonctionnement d\u2019appareils radio et de t\u00e9l\u00e9vision, les mont\u00e9es de gaz, etc., provoquent des perturbations dans l\u2019environnement voisin. Ces perturbations se traduisent par des contractions et des dilatations de volumes d\u2019air \u00e9l\u00e9mentaires auxquelles correspondent respectivement:\u2013\u00a0une modification de pression, qui au repos est la pression atmosph\u00e9rique [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.imperalum.com\/fr\/solutions\/solutions-disolation-acoustique\/le-bruit-de-lair\/\" \/>\n<meta property=\"og:site_name\" content=\"Imperalum\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/imperalum\/\" \/>\n<meta property=\"article:modified_time\" content=\"2022-06-23T10:56:17+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/imperalum.com\/cms\/wp-content\/uploads\/2014\/08\/som-no-ar.gif\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:site\" content=\"@Imperalum1\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.imperalum.com\\\/fr\\\/solutions\\\/solutions-disolation-acoustique\\\/le-bruit-de-lair\\\/\",\"url\":\"https:\\\/\\\/www.imperalum.com\\\/fr\\\/solutions\\\/solutions-disolation-acoustique\\\/le-bruit-de-lair\\\/\",\"name\":\"Le Bruit de l\u2019Air - 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