{"id":805,"date":"2015-04-13T13:37:17","date_gmt":"2015-04-13T11:37:17","guid":{"rendered":"https:\/\/www.enmo.eu\/?p=805"},"modified":"2015-05-12T16:32:58","modified_gmt":"2015-05-12T14:32:58","slug":"bz-7234","status":"publish","type":"post","link":"https:\/\/www.enmo.eu\/fr\/bz-7234\/","title":{"rendered":"Option \u2018Low Frequency\u2019 BZ-7234"},"content":{"rendered":"<p style=\"text-align: justify;\">Il est g\u00e9n\u00e9ralement admis que l\u2019oreille humaine est capable de percevoir des bruits ayant une fr\u00e9quence comprise entre 20 et 20.000 Hz. Un bruit de tr\u00e8s basse fr\u00e9quence (LFG) a une fr\u00e9quence inf\u00e9rieure \u00e0 125 Hz et n\u2019est donc pas per\u00e7u de la m\u00eame mani\u00e8re par chacun d\u2019entre nous car la sensibilit\u00e9 de l\u2019oreille est moins \u00e9lev\u00e9e pour ces fr\u00e9quences basses. Cependant, il appara\u00eet que de plus en plus de personnes y sont particuli\u00e8rement sensibles (entendre et\/ou ressentir) et consid\u00e8rent cela comme tr\u00e8s d\u00e9rangeant (grondement, bourdonnement, pression sur les oreilles, la t\u00eate, la gorge et la poitrine).<\/p>\n<p style=\"text-align: justify;\">Avec les sonom\u00e8tres Br\u00fcel &amp; Kjaer type 2250 et 2270, il est possible de proc\u00e9der \u00e0 des mesures en tr\u00e8s basses fr\u00e9quences selon la norme ISO 7196\u00a0:1995 et ANSI S1.42-2001, en combinaison avec un microphone \u00ab\u00a0low frequency\u00a0\u00bb type 4193 ou 4964.<\/p>\n<p style=\"text-align: justify;\">Des applications possibles sont, par exemple, la mesure des infrasons en provenance des \u00e9oliennes et des centrales \u00e9lectriques. En combinaison avec un acc\u00e9l\u00e9rom\u00e8tre \u00e0 faible niveau type 8344, il est \u00e9galement possible de r\u00e9aliser des mesurages selon la norme ISO 8041\u00a0:2005 et DIN 45669+1\u00a0:2010-09. On songe ici tout particuli\u00e8rement au mesurage des vibrations g\u00eanantes dans les b\u00e2timents.<\/p>\n<p>Il est aussi possible de proc\u00e9der \u00e0 des analyses spectrales par bandes d\u2019un tiers d\u2019octave jusqu\u2019\u00e0 0,8 Hz (1\/1 octave jusqu\u2019\u00e0 1 Hz).<\/p>\n<p>Ensuite, toutes les mesures faites en tr\u00e8s basses fr\u00e9quences peuvent \u00eatre examin\u00e9es et trait\u00e9es au moyen du logiciel BZ-5503 Measurement Partner Suite.<\/p>\n<p style=\"text-align: justify;\"><a href=\"https:\/\/www.enmo.eu\/wp-content\/uploads\/2015\/04\/BZfoto-1.jpg\"><img decoding=\"async\" class=\"alignnone size-full wp-image-891\" src=\"https:\/\/www.enmo.eu\/wp-content\/uploads\/2015\/04\/BZfoto-1.jpg\" alt=\"BZfoto 1\" width=\"324\" height=\"432\" \/><\/a><\/p>\n<p>2250 \/ 2270 Analyseur fr\u00e9quentiel avec activation de la mesure tr\u00e8s basses fr\u00e9quences.<\/p>\n<p><a href=\"https:\/\/www.enmo.eu\/wp-content\/uploads\/2015\/04\/behroende-bij-BZ-2.jpg\"><img decoding=\"async\" class=\"alignnone size-medium wp-image-890\" src=\"https:\/\/www.enmo.eu\/wp-content\/uploads\/2015\/04\/behroende-bij-BZ-2-600x296.jpg\" alt=\"behroende bij BZ--2\" width=\"600\" height=\"296\" srcset=\"https:\/\/www.enmo.eu\/wp-content\/uploads\/2015\/04\/behroende-bij-BZ-2-600x296.jpg 600w, https:\/\/www.enmo.eu\/wp-content\/uploads\/2015\/04\/behroende-bij-BZ-2.jpg 833w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/a><\/p>\n<p>Courbe de r\u00e9ponse du filtre dB(G)<\/p>\n<p style=\"text-align: justify;\">\n","protected":false},"excerpt":{"rendered":"<p>Il est g\u00e9n\u00e9ralement admis que l\u2019oreille humaine est capable de percevoir des bruits ayant une fr\u00e9quence comprise entre 20 et 20.000 Hz. Un bruit de tr\u00e8s basse fr\u00e9quence (LFG) a une fr\u00e9quence inf\u00e9rieure \u00e0 125 Hz et n\u2019est donc pas per\u00e7u de la m\u00eame mani\u00e8re par chacun d\u2019entre nous car la sensibilit\u00e9 de l\u2019oreille est [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[16],"tags":[],"class_list":["post-805","post","type-post","status-publish","format-standard","hentry","category-invisible"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Option \u2018Low Frequency\u2019 BZ-7234 - ENMO<\/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.enmo.eu\/fr\/bz-7234\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Option \u2018Low Frequency\u2019 BZ-7234 - ENMO\" \/>\n<meta property=\"og:description\" content=\"Il est g\u00e9n\u00e9ralement admis que l\u2019oreille humaine est capable de percevoir des bruits ayant une fr\u00e9quence comprise entre 20 et 20.000 Hz. Un bruit de tr\u00e8s basse fr\u00e9quence (LFG) a une fr\u00e9quence inf\u00e9rieure \u00e0 125 Hz et n\u2019est donc pas per\u00e7u de la m\u00eame mani\u00e8re par chacun d\u2019entre nous car la sensibilit\u00e9 de l\u2019oreille est [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.enmo.eu\/fr\/bz-7234\/\" \/>\n<meta property=\"og:site_name\" content=\"ENMO\" \/>\n<meta property=\"article:published_time\" content=\"2015-04-13T11:37:17+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2015-05-12T14:32:58+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.enmo.eu\/wp-content\/uploads\/2015\/04\/BZfoto-1.jpg\" \/>\n<meta name=\"author\" content=\"webit\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"webit\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.enmo.eu\\\/fr\\\/bz-7234\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.enmo.eu\\\/fr\\\/bz-7234\\\/\"},\"author\":{\"name\":\"webit\",\"@id\":\"https:\\\/\\\/www.enmo.eu\\\/fr\\\/#\\\/schema\\\/person\\\/afea858da6d3874ebd800a02d4eb8582\"},\"headline\":\"Option \u2018Low Frequency\u2019 BZ-7234\",\"datePublished\":\"2015-04-13T11:37:17+00:00\",\"dateModified\":\"2015-05-12T14:32:58+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.enmo.eu\\\/fr\\\/bz-7234\\\/\"},\"wordCount\":291,\"commentCount\":0,\"image\":{\"@id\":\"https:\\\/\\\/www.enmo.eu\\\/fr\\\/bz-7234\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.enmo.eu\\\/wp-content\\\/uploads\\\/2015\\\/04\\\/BZfoto-1.jpg\",\"articleSection\":[\"Invisible\"],\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/www.enmo.eu\\\/fr\\\/bz-7234\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.enmo.eu\\\/fr\\\/bz-7234\\\/\",\"url\":\"https:\\\/\\\/www.enmo.eu\\\/fr\\\/bz-7234\\\/\",\"name\":\"Option \u2018Low Frequency\u2019 BZ-7234 - ENMO\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.enmo.eu\\\/fr\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.enmo.eu\\\/fr\\\/bz-7234\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.enmo.eu\\\/fr\\\/bz-7234\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.enmo.eu\\\/wp-content\\\/uploads\\\/2015\\\/04\\\/BZfoto-1.jpg\",\"datePublished\":\"2015-04-13T11:37:17+00:00\",\"dateModified\":\"2015-05-12T14:32:58+00:00\",\"author\":{\"@id\":\"https:\\\/\\\/www.enmo.eu\\\/fr\\\/#\\\/schema\\\/person\\\/afea858da6d3874ebd800a02d4eb8582\"},\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.enmo.eu\\\/fr\\\/bz-7234\\\/#breadcrumb\"},\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.enmo.eu\\\/fr\\\/bz-7234\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\\\/\\\/www.enmo.eu\\\/fr\\\/bz-7234\\\/#primaryimage\",\"url\":\"https:\\\/\\\/www.enmo.eu\\\/wp-content\\\/uploads\\\/2015\\\/04\\\/BZfoto-1.jpg\",\"contentUrl\":\"https:\\\/\\\/www.enmo.eu\\\/wp-content\\\/uploads\\\/2015\\\/04\\\/BZfoto-1.jpg\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.enmo.eu\\\/fr\\\/bz-7234\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/www.enmo.eu\\\/fr\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Option \u2018Low Frequency\u2019 BZ-7234\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/www.enmo.eu\\\/fr\\\/#website\",\"url\":\"https:\\\/\\\/www.enmo.eu\\\/fr\\\/\",\"name\":\"ENMO\",\"description\":\"Sound &amp; Vibration Technology\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/www.enmo.eu\\\/fr\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"fr-FR\"},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/www.enmo.eu\\\/fr\\\/#\\\/schema\\\/person\\\/afea858da6d3874ebd800a02d4eb8582\",\"name\":\"webit\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/e6ec64d51665fc52542232d23418a4d6247b62d0c8cedb7eb32f55e34b83a13c?s=96&d=mm&r=g\",\"url\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/e6ec64d51665fc52542232d23418a4d6247b62d0c8cedb7eb32f55e34b83a13c?s=96&d=mm&r=g\",\"contentUrl\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/e6ec64d51665fc52542232d23418a4d6247b62d0c8cedb7eb32f55e34b83a13c?s=96&d=mm&r=g\",\"caption\":\"webit\"},\"url\":\"https:\\\/\\\/www.enmo.eu\\\/fr\\\/author\\\/webit\\\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Option \u2018Low Frequency\u2019 BZ-7234 - ENMO","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.enmo.eu\/fr\/bz-7234\/","og_locale":"fr_FR","og_type":"article","og_title":"Option \u2018Low Frequency\u2019 BZ-7234 - ENMO","og_description":"Il est g\u00e9n\u00e9ralement admis que l\u2019oreille humaine est capable de percevoir des bruits ayant une fr\u00e9quence comprise entre 20 et 20.000 Hz. Un bruit de tr\u00e8s basse fr\u00e9quence (LFG) a une fr\u00e9quence inf\u00e9rieure \u00e0 125 Hz et n\u2019est donc pas per\u00e7u de la m\u00eame mani\u00e8re par chacun d\u2019entre nous car la sensibilit\u00e9 de l\u2019oreille est [&hellip;]","og_url":"https:\/\/www.enmo.eu\/fr\/bz-7234\/","og_site_name":"ENMO","article_published_time":"2015-04-13T11:37:17+00:00","article_modified_time":"2015-05-12T14:32:58+00:00","og_image":[{"url":"https:\/\/www.enmo.eu\/wp-content\/uploads\/2015\/04\/BZfoto-1.jpg","type":"","width":"","height":""}],"author":"webit","twitter_card":"summary_large_image","twitter_misc":{"\u00c9crit par":"webit","Dur\u00e9e de lecture estim\u00e9e":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.enmo.eu\/fr\/bz-7234\/#article","isPartOf":{"@id":"https:\/\/www.enmo.eu\/fr\/bz-7234\/"},"author":{"name":"webit","@id":"https:\/\/www.enmo.eu\/fr\/#\/schema\/person\/afea858da6d3874ebd800a02d4eb8582"},"headline":"Option \u2018Low Frequency\u2019 BZ-7234","datePublished":"2015-04-13T11:37:17+00:00","dateModified":"2015-05-12T14:32:58+00:00","mainEntityOfPage":{"@id":"https:\/\/www.enmo.eu\/fr\/bz-7234\/"},"wordCount":291,"commentCount":0,"image":{"@id":"https:\/\/www.enmo.eu\/fr\/bz-7234\/#primaryimage"},"thumbnailUrl":"https:\/\/www.enmo.eu\/wp-content\/uploads\/2015\/04\/BZfoto-1.jpg","articleSection":["Invisible"],"inLanguage":"fr-FR","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/www.enmo.eu\/fr\/bz-7234\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/www.enmo.eu\/fr\/bz-7234\/","url":"https:\/\/www.enmo.eu\/fr\/bz-7234\/","name":"Option \u2018Low Frequency\u2019 BZ-7234 - ENMO","isPartOf":{"@id":"https:\/\/www.enmo.eu\/fr\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.enmo.eu\/fr\/bz-7234\/#primaryimage"},"image":{"@id":"https:\/\/www.enmo.eu\/fr\/bz-7234\/#primaryimage"},"thumbnailUrl":"https:\/\/www.enmo.eu\/wp-content\/uploads\/2015\/04\/BZfoto-1.jpg","datePublished":"2015-04-13T11:37:17+00:00","dateModified":"2015-05-12T14:32:58+00:00","author":{"@id":"https:\/\/www.enmo.eu\/fr\/#\/schema\/person\/afea858da6d3874ebd800a02d4eb8582"},"breadcrumb":{"@id":"https:\/\/www.enmo.eu\/fr\/bz-7234\/#breadcrumb"},"inLanguage":"fr-FR","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.enmo.eu\/fr\/bz-7234\/"]}]},{"@type":"ImageObject","inLanguage":"fr-FR","@id":"https:\/\/www.enmo.eu\/fr\/bz-7234\/#primaryimage","url":"https:\/\/www.enmo.eu\/wp-content\/uploads\/2015\/04\/BZfoto-1.jpg","contentUrl":"https:\/\/www.enmo.eu\/wp-content\/uploads\/2015\/04\/BZfoto-1.jpg"},{"@type":"BreadcrumbList","@id":"https:\/\/www.enmo.eu\/fr\/bz-7234\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.enmo.eu\/fr\/"},{"@type":"ListItem","position":2,"name":"Option \u2018Low Frequency\u2019 BZ-7234"}]},{"@type":"WebSite","@id":"https:\/\/www.enmo.eu\/fr\/#website","url":"https:\/\/www.enmo.eu\/fr\/","name":"ENMO","description":"Sound &amp; Vibration Technology","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.enmo.eu\/fr\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"fr-FR"},{"@type":"Person","@id":"https:\/\/www.enmo.eu\/fr\/#\/schema\/person\/afea858da6d3874ebd800a02d4eb8582","name":"webit","image":{"@type":"ImageObject","inLanguage":"fr-FR","@id":"https:\/\/secure.gravatar.com\/avatar\/e6ec64d51665fc52542232d23418a4d6247b62d0c8cedb7eb32f55e34b83a13c?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/e6ec64d51665fc52542232d23418a4d6247b62d0c8cedb7eb32f55e34b83a13c?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/e6ec64d51665fc52542232d23418a4d6247b62d0c8cedb7eb32f55e34b83a13c?s=96&d=mm&r=g","caption":"webit"},"url":"https:\/\/www.enmo.eu\/fr\/author\/webit\/"}]}},"_links":{"self":[{"href":"https:\/\/www.enmo.eu\/fr\/wp-json\/wp\/v2\/posts\/805","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.enmo.eu\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.enmo.eu\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.enmo.eu\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.enmo.eu\/fr\/wp-json\/wp\/v2\/comments?post=805"}],"version-history":[{"count":3,"href":"https:\/\/www.enmo.eu\/fr\/wp-json\/wp\/v2\/posts\/805\/revisions"}],"predecessor-version":[{"id":1162,"href":"https:\/\/www.enmo.eu\/fr\/wp-json\/wp\/v2\/posts\/805\/revisions\/1162"}],"wp:attachment":[{"href":"https:\/\/www.enmo.eu\/fr\/wp-json\/wp\/v2\/media?parent=805"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.enmo.eu\/fr\/wp-json\/wp\/v2\/categories?post=805"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.enmo.eu\/fr\/wp-json\/wp\/v2\/tags?post=805"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}