{"id":6635,"date":"2026-05-26T12:06:26","date_gmt":"2026-05-26T10:06:26","guid":{"rendered":"https:\/\/acoutech.ch\/sia-181-1-acoustique-des-salles\/"},"modified":"2026-08-27T12:09:23","modified_gmt":"2026-08-27T10:09:23","slug":"sia-181-1-acoustique-des-salles","status":"publish","type":"page","link":"https:\/\/acoutech.ch\/fr\/sia-181-1-acoustique-des-salles\/","title":{"rendered":"SIA 181\/1 Acoustique des pi\u00e8ces"},"content":{"rendered":"\n<div id=\"wp-block-themeisle-blocks-advanced-columns-93a46673\" class=\"wp-block-themeisle-blocks-advanced-columns alignfull has-2-columns has-desktop-twoOne-layout has-tablet-equal-layout has-mobile-collapsedRows-layout has-vertical-unset has-light-bg\"><div class=\"wp-block-themeisle-blocks-advanced-columns-overlay\"><\/div><div class=\"innerblocks-wrap\">\n<div id=\"wp-block-themeisle-blocks-advanced-column-ce3767ab\" class=\"wp-block-themeisle-blocks-advanced-column animated slideInUp delay-100ms\">\n<div style=\"height:40px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h1 class=\"wp-block-heading has-neve-link-hover-color-color has-text-color has-link-color has-large-font-size wp-elements-1\">SIA 181\/1 Acoustique des pi\u00e8ces<\/h1>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\">La norme SIA 181\/1 \u00ab Acoustique des pi\u00e8ces \u00bb d\u00e9finit les exigences relatives au temps de r\u00e9verb\u00e9ration et \u00e0 la qualit\u00e9 acoustique des espaces int\u00e9rieurs.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"has-medium-font-size\">D\u00e9finit les exigences en mati\u00e8re d&rsquo;acoustique des salles<\/li>\n\n\n\n<li class=\"has-medium-font-size\">Cr\u00e9e des bases claires pour l&rsquo;intelligibilit\u00e9 de la parole, le confort et l&rsquo;utilisabilit\u00e9<\/li>\n\n\n\n<li class=\"has-medium-font-size\">Compl\u00e8te la SIA 181 et r\u00e9introduit le th\u00e8me de l&rsquo;acoustique des salles dans la normalisation suisse<\/li>\n<\/ul>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<\/div>\n\n\n\n<div id=\"wp-block-themeisle-blocks-advanced-column-dc84fb07\" class=\"wp-block-themeisle-blocks-advanced-column animated slideInUp\">\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1000\" height=\"1000\" src=\"https:\/\/acoutech.ch\/wp-content\/uploads\/2026\/08\/akustik-sia-181-1-raumakustik-norm-schweiz-acoutech-1.jpg\" alt=\"L&#039;illustration met en \u00e9vidence le rapport entre la norme SIA 181\/1 et d&#039;autres r\u00e9f\u00e9rentiels\" class=\"wp-image-8947\" title=\"\" srcset=\"https:\/\/acoutech.ch\/wp-content\/uploads\/2026\/08\/akustik-sia-181-1-raumakustik-norm-schweiz-acoutech-1.jpg 1000w, https:\/\/acoutech.ch\/wp-content\/uploads\/2026\/08\/akustik-sia-181-1-raumakustik-norm-schweiz-acoutech-1-768x768.jpg 768w, https:\/\/acoutech.ch\/wp-content\/uploads\/2026\/08\/akustik-sia-181-1-raumakustik-norm-schweiz-acoutech-1-300x300.jpg 300w, https:\/\/acoutech.ch\/wp-content\/uploads\/2026\/08\/akustik-sia-181-1-raumakustik-norm-schweiz-acoutech-1-600x600.jpg 600w, https:\/\/acoutech.ch\/wp-content\/uploads\/2026\/08\/akustik-sia-181-1-raumakustik-norm-schweiz-acoutech-1-100x100.jpg 100w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><figcaption class=\"wp-element-caption\">La norme SIA 181\/1 par rapport \u00e0 d&rsquo;autres r\u00e9f\u00e9rentiels et r\u00e9glementations<\/figcaption><\/figure>\n<\/div>\n<\/div><\/div>\n\n\n\n<div id=\"wp-block-themeisle-blocks-advanced-columns-931b2472\" class=\"wp-block-themeisle-blocks-advanced-columns alignfull has-1-columns has-desktop-twoOne-layout has-tablet-equal-layout has-mobile-collapsedRows-layout has-vertical-unset has-light-bg\"><div class=\"wp-block-themeisle-blocks-advanced-columns-overlay\"><\/div><div class=\"innerblocks-wrap\">\n<div id=\"wp-block-themeisle-blocks-advanced-column-00ff58c3\" class=\"wp-block-themeisle-blocks-advanced-column\">\n<div id=\"wp-block-themeisle-blocks-content-slider-6bad806c\" class=\"wp-block-themeisle-blocks-content-slider o-content-slider\" style=\"--o-per-view:1;--o-gap:0px;--o-height:auto;--o-arrow-color:var(--nv-c-2);--o-arrow-bg:var(--nv-light-bg);--o-dot-color:var(--nv-light-bg);--o-dot-active-color:var(--nv-c-2)\" role=\"region\" aria-roledescription=\"carousel\" aria-label=\"Content slider\" data-autoplay=\"true\" data-delay=\"5\" data-loop=\"true\"><div class=\"o-content-track\">\n<div class=\"wp-block-group\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img decoding=\"async\" width=\"1200\" height=\"72\" src=\"https:\/\/acoutech.ch\/wp-content\/uploads\/2026\/08\/acoutech-referenzen-slides1-1200x72.jpg\" alt=\"\" class=\"wp-image-6133\" title=\"\" srcset=\"https:\/\/acoutech.ch\/wp-content\/uploads\/2026\/08\/acoutech-referenzen-slides1-1200x72.jpg 1200w, https:\/\/acoutech.ch\/wp-content\/uploads\/2026\/08\/acoutech-referenzen-slides1-768x46.jpg 768w, https:\/\/acoutech.ch\/wp-content\/uploads\/2026\/08\/acoutech-referenzen-slides1-1536x92.jpg 1536w, https:\/\/acoutech.ch\/wp-content\/uploads\/2026\/08\/acoutech-referenzen-slides1-300x18.jpg 300w, https:\/\/acoutech.ch\/wp-content\/uploads\/2026\/08\/acoutech-referenzen-slides1-600x36.jpg 600w, https:\/\/acoutech.ch\/wp-content\/uploads\/2026\/08\/acoutech-referenzen-slides1.jpg 2000w\" sizes=\"(max-width: 1200px) 100vw, 1200px\"><\/figure>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-group\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img decoding=\"async\" width=\"1200\" height=\"72\" src=\"https:\/\/acoutech.ch\/wp-content\/uploads\/2026\/08\/acoutech-referenzen-slides2-1200x72.jpg\" alt=\"\" class=\"wp-image-6136\" title=\"\" srcset=\"https:\/\/acoutech.ch\/wp-content\/uploads\/2026\/08\/acoutech-referenzen-slides2-1200x72.jpg 1200w, https:\/\/acoutech.ch\/wp-content\/uploads\/2026\/08\/acoutech-referenzen-slides2-768x46.jpg 768w, https:\/\/acoutech.ch\/wp-content\/uploads\/2026\/08\/acoutech-referenzen-slides2-1536x92.jpg 1536w, https:\/\/acoutech.ch\/wp-content\/uploads\/2026\/08\/acoutech-referenzen-slides2-300x18.jpg 300w, https:\/\/acoutech.ch\/wp-content\/uploads\/2026\/08\/acoutech-referenzen-slides2-600x36.jpg 600w, https:\/\/acoutech.ch\/wp-content\/uploads\/2026\/08\/acoutech-referenzen-slides2.jpg 2000w\" sizes=\"(max-width: 1200px) 100vw, 1200px\"><\/figure>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-group\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img decoding=\"async\" width=\"1200\" height=\"72\" src=\"https:\/\/acoutech.ch\/wp-content\/uploads\/2026\/08\/acoutech-referenzen-slides3-1200x72.jpg\" alt=\"\" class=\"wp-image-6134\" title=\"\" srcset=\"https:\/\/acoutech.ch\/wp-content\/uploads\/2026\/08\/acoutech-referenzen-slides3-1200x72.jpg 1200w, https:\/\/acoutech.ch\/wp-content\/uploads\/2026\/08\/acoutech-referenzen-slides3-768x46.jpg 768w, https:\/\/acoutech.ch\/wp-content\/uploads\/2026\/08\/acoutech-referenzen-slides3-1536x92.jpg 1536w, https:\/\/acoutech.ch\/wp-content\/uploads\/2026\/08\/acoutech-referenzen-slides3-300x18.jpg 300w, https:\/\/acoutech.ch\/wp-content\/uploads\/2026\/08\/acoutech-referenzen-slides3-600x36.jpg 600w, https:\/\/acoutech.ch\/wp-content\/uploads\/2026\/08\/acoutech-referenzen-slides3.jpg 2000w\" sizes=\"(max-width: 1200px) 100vw, 1200px\"><\/figure>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-group\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img decoding=\"async\" width=\"1200\" height=\"72\" src=\"https:\/\/acoutech.ch\/wp-content\/uploads\/2026\/08\/acoutech-referenzen-slides4-1200x72.jpg\" alt=\"\" class=\"wp-image-6137\" title=\"\" srcset=\"https:\/\/acoutech.ch\/wp-content\/uploads\/2026\/08\/acoutech-referenzen-slides4-1200x72.jpg 1200w, https:\/\/acoutech.ch\/wp-content\/uploads\/2026\/08\/acoutech-referenzen-slides4-768x46.jpg 768w, https:\/\/acoutech.ch\/wp-content\/uploads\/2026\/08\/acoutech-referenzen-slides4-1536x92.jpg 1536w, https:\/\/acoutech.ch\/wp-content\/uploads\/2026\/08\/acoutech-referenzen-slides4-300x18.jpg 300w, https:\/\/acoutech.ch\/wp-content\/uploads\/2026\/08\/acoutech-referenzen-slides4-600x36.jpg 600w, https:\/\/acoutech.ch\/wp-content\/uploads\/2026\/08\/acoutech-referenzen-slides4.jpg 2000w\" sizes=\"(max-width: 1200px) 100vw, 1200px\"><\/figure>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-group\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img decoding=\"async\" width=\"1200\" height=\"72\" src=\"https:\/\/acoutech.ch\/wp-content\/uploads\/2026\/08\/acoutech-referenzen-slides5-1200x72.jpg\" alt=\"\" class=\"wp-image-6135\" title=\"\" srcset=\"https:\/\/acoutech.ch\/wp-content\/uploads\/2026\/08\/acoutech-referenzen-slides5-1200x72.jpg 1200w, https:\/\/acoutech.ch\/wp-content\/uploads\/2026\/08\/acoutech-referenzen-slides5-768x46.jpg 768w, https:\/\/acoutech.ch\/wp-content\/uploads\/2026\/08\/acoutech-referenzen-slides5-1536x92.jpg 1536w, https:\/\/acoutech.ch\/wp-content\/uploads\/2026\/08\/acoutech-referenzen-slides5-300x18.jpg 300w, https:\/\/acoutech.ch\/wp-content\/uploads\/2026\/08\/acoutech-referenzen-slides5-600x36.jpg 600w, https:\/\/acoutech.ch\/wp-content\/uploads\/2026\/08\/acoutech-referenzen-slides5.jpg 2000w\" sizes=\"(max-width: 1200px) 100vw, 1200px\"><\/figure>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n<div id=\"wp-block-themeisle-blocks-content-slider-5bfe335f\" class=\"wp-block-themeisle-blocks-content-slider o-content-slider\" style=\"--o-per-view:1;--o-gap:0px;--o-height:auto;--o-arrow-color:var(--nv-c-2);--o-arrow-bg:var(--nv-light-bg);--o-dot-color:var(--nv-light-bg);--o-dot-active-color:var(--nv-c-2)\" role=\"region\" aria-roledescription=\"carousel\" aria-label=\"Content slider\" data-autoplay=\"true\" data-delay=\"5\" data-loop=\"true\"><div class=\"o-content-track\">\n<div class=\"wp-block-group\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img decoding=\"async\" width=\"962\" height=\"120\" src=\"https:\/\/acoutech.ch\/wp-content\/uploads\/2026\/08\/acoutech-referenzen-slides-mobile1.jpg\" alt=\"\" class=\"wp-image-6146\" title=\"\" srcset=\"https:\/\/acoutech.ch\/wp-content\/uploads\/2026\/08\/acoutech-referenzen-slides-mobile1.jpg 962w, https:\/\/acoutech.ch\/wp-content\/uploads\/2026\/08\/acoutech-referenzen-slides-mobile1-768x96.jpg 768w, https:\/\/acoutech.ch\/wp-content\/uploads\/2026\/08\/acoutech-referenzen-slides-mobile1-300x37.jpg 300w, https:\/\/acoutech.ch\/wp-content\/uploads\/2026\/08\/acoutech-referenzen-slides-mobile1-600x75.jpg 600w\" sizes=\"(max-width: 962px) 100vw, 962px\"><\/figure>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-group\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img decoding=\"async\" width=\"962\" height=\"120\" src=\"https:\/\/acoutech.ch\/wp-content\/uploads\/2026\/08\/acoutech-referenzen-slides-mobile2.jpg\" alt=\"\" class=\"wp-image-6150\" title=\"\" srcset=\"https:\/\/acoutech.ch\/wp-content\/uploads\/2026\/08\/acoutech-referenzen-slides-mobile2.jpg 962w, https:\/\/acoutech.ch\/wp-content\/uploads\/2026\/08\/acoutech-referenzen-slides-mobile2-768x96.jpg 768w, https:\/\/acoutech.ch\/wp-content\/uploads\/2026\/08\/acoutech-referenzen-slides-mobile2-300x37.jpg 300w, https:\/\/acoutech.ch\/wp-content\/uploads\/2026\/08\/acoutech-referenzen-slides-mobile2-600x75.jpg 600w\" sizes=\"(max-width: 962px) 100vw, 962px\"><\/figure>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-group\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img decoding=\"async\" width=\"962\" height=\"120\" src=\"https:\/\/acoutech.ch\/wp-content\/uploads\/2026\/08\/acoutech-referenzen-slides-mobile3.jpg\" alt=\"\" class=\"wp-image-6151\" title=\"\" srcset=\"https:\/\/acoutech.ch\/wp-content\/uploads\/2026\/08\/acoutech-referenzen-slides-mobile3.jpg 962w, https:\/\/acoutech.ch\/wp-content\/uploads\/2026\/08\/acoutech-referenzen-slides-mobile3-768x96.jpg 768w, https:\/\/acoutech.ch\/wp-content\/uploads\/2026\/08\/acoutech-referenzen-slides-mobile3-300x37.jpg 300w, https:\/\/acoutech.ch\/wp-content\/uploads\/2026\/08\/acoutech-referenzen-slides-mobile3-600x75.jpg 600w\" sizes=\"(max-width: 962px) 100vw, 962px\"><\/figure>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-group\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img decoding=\"async\" width=\"962\" height=\"120\" src=\"https:\/\/acoutech.ch\/wp-content\/uploads\/2026\/08\/acoutech-referenzen-slides-mobile4.jpg\" alt=\"\" class=\"wp-image-6143\" title=\"\" srcset=\"https:\/\/acoutech.ch\/wp-content\/uploads\/2026\/08\/acoutech-referenzen-slides-mobile4.jpg 962w, https:\/\/acoutech.ch\/wp-content\/uploads\/2026\/08\/acoutech-referenzen-slides-mobile4-768x96.jpg 768w, https:\/\/acoutech.ch\/wp-content\/uploads\/2026\/08\/acoutech-referenzen-slides-mobile4-300x37.jpg 300w, https:\/\/acoutech.ch\/wp-content\/uploads\/2026\/08\/acoutech-referenzen-slides-mobile4-600x75.jpg 600w\" sizes=\"(max-width: 962px) 100vw, 962px\"><\/figure>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-group\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img decoding=\"async\" width=\"962\" height=\"120\" src=\"https:\/\/acoutech.ch\/wp-content\/uploads\/2026\/08\/acoutech-referenzen-slides-mobile6.jpg\" alt=\"\" class=\"wp-image-6145\" title=\"\" srcset=\"https:\/\/acoutech.ch\/wp-content\/uploads\/2026\/08\/acoutech-referenzen-slides-mobile6.jpg 962w, https:\/\/acoutech.ch\/wp-content\/uploads\/2026\/08\/acoutech-referenzen-slides-mobile6-768x96.jpg 768w, https:\/\/acoutech.ch\/wp-content\/uploads\/2026\/08\/acoutech-referenzen-slides-mobile6-300x37.jpg 300w, https:\/\/acoutech.ch\/wp-content\/uploads\/2026\/08\/acoutech-referenzen-slides-mobile6-600x75.jpg 600w\" sizes=\"(max-width: 962px) 100vw, 962px\"><\/figure>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-group\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img decoding=\"async\" width=\"962\" height=\"120\" src=\"https:\/\/acoutech.ch\/wp-content\/uploads\/2026\/08\/acoutech-referenzen-slides-mobile7.jpg\" alt=\"\" class=\"wp-image-6152\" title=\"\" srcset=\"https:\/\/acoutech.ch\/wp-content\/uploads\/2026\/08\/acoutech-referenzen-slides-mobile7.jpg 962w, https:\/\/acoutech.ch\/wp-content\/uploads\/2026\/08\/acoutech-referenzen-slides-mobile7-768x96.jpg 768w, https:\/\/acoutech.ch\/wp-content\/uploads\/2026\/08\/acoutech-referenzen-slides-mobile7-300x37.jpg 300w, https:\/\/acoutech.ch\/wp-content\/uploads\/2026\/08\/acoutech-referenzen-slides-mobile7-600x75.jpg 600w\" sizes=\"(max-width: 962px) 100vw, 962px\"><\/figure>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-group\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img decoding=\"async\" width=\"962\" height=\"120\" src=\"https:\/\/acoutech.ch\/wp-content\/uploads\/2026\/08\/acoutech-referenzen-slides-mobile8.jpg\" alt=\"\" class=\"wp-image-6149\" title=\"\" srcset=\"https:\/\/acoutech.ch\/wp-content\/uploads\/2026\/08\/acoutech-referenzen-slides-mobile8.jpg 962w, https:\/\/acoutech.ch\/wp-content\/uploads\/2026\/08\/acoutech-referenzen-slides-mobile8-768x96.jpg 768w, https:\/\/acoutech.ch\/wp-content\/uploads\/2026\/08\/acoutech-referenzen-slides-mobile8-300x37.jpg 300w, https:\/\/acoutech.ch\/wp-content\/uploads\/2026\/08\/acoutech-referenzen-slides-mobile8-600x75.jpg 600w\" sizes=\"(max-width: 962px) 100vw, 962px\"><\/figure>\n<\/div><\/div><\/div>\n<\/div><\/div>\n<\/div>\n<\/div><\/div>\n\n\n\n\n<div id=\"wp-block-themeisle-blocks-advanced-columns-b4fb5910\" class=\"wp-block-themeisle-blocks-advanced-columns alignfull has-2-columns has-desktop-twoOne-layout has-tablet-equal-layout has-mobile-collapsedRows-layout has-vertical-unset has-light-bg\"><div class=\"wp-block-themeisle-blocks-advanced-columns-overlay\"><\/div><div class=\"innerblocks-wrap\">\n<div id=\"wp-block-themeisle-blocks-advanced-column-55ef5fc3\" class=\"wp-block-themeisle-blocks-advanced-column\">\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1000\" height=\"1000\" src=\"https:\/\/acoutech.ch\/wp-content\/uploads\/2026\/07\/akustik-regel-sia-181-1-raumakustik-norm-schweiz-acoutech.jpg\" alt=\"Infographie SIA 181\/1 comprenant quatre domaines : temps de r\u00e9verb\u00e9ration, bruits parasites, intelligibilit\u00e9 de la parole et aptitude \u00e0 l&#039;usage acoustique\" class=\"wp-image-5744\" style=\"aspect-ratio:1;object-fit:cover\" title=\"\" srcset=\"https:\/\/acoutech.ch\/wp-content\/uploads\/2026\/07\/akustik-regel-sia-181-1-raumakustik-norm-schweiz-acoutech.jpg 1000w, https:\/\/acoutech.ch\/wp-content\/uploads\/2026\/07\/akustik-regel-sia-181-1-raumakustik-norm-schweiz-acoutech-768x768.jpg 768w, https:\/\/acoutech.ch\/wp-content\/uploads\/2026\/07\/akustik-regel-sia-181-1-raumakustik-norm-schweiz-acoutech-300x300.jpg 300w, https:\/\/acoutech.ch\/wp-content\/uploads\/2026\/07\/akustik-regel-sia-181-1-raumakustik-norm-schweiz-acoutech-600x600.jpg 600w, https:\/\/acoutech.ch\/wp-content\/uploads\/2026\/07\/akustik-regel-sia-181-1-raumakustik-norm-schweiz-acoutech-100x100.jpg 100w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><figcaption class=\"wp-element-caption\">Infographie sur la norme SIA 181\/1 \u2013 la norme suisse relative \u00e0 la qualit\u00e9 acoustique des locaux \u2013 pr\u00e9sentant les quatre domaines d&rsquo;exigences que sont le temps de r\u00e9verb\u00e9ration, les bruits parasites, l&rsquo;intelligibilit\u00e9 de la parole et l&rsquo;aptitude \u00e0 l&rsquo;usage acoustique.<\/figcaption><\/figure>\n<\/div>\n\n\n\n<div id=\"wp-block-themeisle-blocks-advanced-column-a365dd83\" class=\"wp-block-themeisle-blocks-advanced-column\">\n<h2 class=\"wp-block-heading has-neve-link-hover-color-color has-text-color has-link-color wp-elements-2\">Que r\u00e9git la norme SIA 181\/1 ?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Norme suisse relative \u00e0 l&rsquo;acoustique des locaux. D\u00e9finition des exigences en mati\u00e8re de qualit\u00e9 acoustique \u00e0 l&rsquo;int\u00e9rieur des locaux, en mettant l&rsquo;accent sur : <\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Temps de r\u00e9verb\u00e9ration<\/li>\n\n\n\n<li>Bruits parasites<\/li>\n\n\n\n<li>Intelligibilit\u00e9 de la parole<\/li>\n\n\n\n<li>l&rsquo;utilisabilit\u00e9 acoustique<\/li>\n<\/ul>\n\n\n\n<div style=\"height:40px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<\/div>\n<\/div><\/div>\n\n\n\n<div id=\"wp-block-themeisle-blocks-advanced-columns-0d8754d8\" class=\"wp-block-themeisle-blocks-advanced-columns alignfull has-2-columns has-desktop-twoOne-layout has-tablet-equal-layout has-mobile-collapsedRows-layout has-vertical-unset has-light-bg\"><div class=\"wp-block-themeisle-blocks-advanced-columns-overlay\"><\/div><div class=\"innerblocks-wrap\">\n<div id=\"wp-block-themeisle-blocks-advanced-column-3301ed19\" class=\"wp-block-themeisle-blocks-advanced-column\">\n<h2 class=\"wp-block-heading has-neve-link-hover-color-color has-text-color has-link-color wp-elements-3\">Historique \u2013 \u00c9volution des normes SIA<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">L&rsquo;\u00e9volution de l&rsquo;acoustique des pi\u00e8ces en Suisse montre un mouvement clair :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>SIA 181:2006<\/strong><br>Acoustique des locaux int\u00e9gr\u00e9e (notamment pour les salles de classe et les gymnases)<\/li>\n\n\n\n<li><strong>SIA 181:2020<\/strong><br>L&rsquo;acoustique des pi\u00e8ces a \u00e9t\u00e9 retir\u00e9e de la norme en vue de sa r\u00e9vision ; l&rsquo;accent est mis sur l&rsquo;isolation acoustique des b\u00e2timents<\/li>\n\n\n\n<li><strong>SIA 181\/1 (nouvelle version)<\/strong><br>: r\u00e9introduction de la norme consacr\u00e9e \u00e0 l&rsquo;acoustique des locaux en tant que norme \u00e0 part enti\u00e8re, mettant davantage l&rsquo;accent sur l&rsquo;intelligibilit\u00e9 de la parole, l&rsquo;inclusion (\u00ab Design for all \u00bb) et la qualit\u00e9 d&rsquo;utilisation des locaux<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Conclusion :<\/strong> l&rsquo;acoustique de la pi\u00e8ce a \u00e9t\u00e9 externalis\u00e9e &#8211; et maintenant ramen\u00e9e de mani\u00e8re cibl\u00e9e et renforc\u00e9e.<\/p>\n<\/div>\n\n\n\n<div id=\"wp-block-themeisle-blocks-advanced-column-9c72d604\" class=\"wp-block-themeisle-blocks-advanced-column\">\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1000\" height=\"1000\" src=\"https:\/\/acoutech.ch\/wp-content\/uploads\/2026\/07\/sia-logo-schweizerischer-ingenieur-architektenverein-schweiz.jpg\" alt=\"Logo rouge de la SIA avec la mention \u00ab Association suisse des ing\u00e9nieurs et des architectes \u00bb en quatre langues\" class=\"wp-image-5748\" title=\"\" srcset=\"https:\/\/acoutech.ch\/wp-content\/uploads\/2026\/07\/sia-logo-schweizerischer-ingenieur-architektenverein-schweiz.jpg 1000w, https:\/\/acoutech.ch\/wp-content\/uploads\/2026\/07\/sia-logo-schweizerischer-ingenieur-architektenverein-schweiz-768x768.jpg 768w, https:\/\/acoutech.ch\/wp-content\/uploads\/2026\/07\/sia-logo-schweizerischer-ingenieur-architektenverein-schweiz-300x300.jpg 300w, https:\/\/acoutech.ch\/wp-content\/uploads\/2026\/07\/sia-logo-schweizerischer-ingenieur-architektenverein-schweiz-600x600.jpg 600w, https:\/\/acoutech.ch\/wp-content\/uploads\/2026\/07\/sia-logo-schweizerischer-ingenieur-architektenverein-schweiz-100x100.jpg 100w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><figcaption class=\"wp-element-caption\">Logo officiel de la SIA \u2013 Soci\u00e9t\u00e9 suisse des ing\u00e9nieurs et des architectes \u2013 \u00e9ditrice de la norme SIA 181\/1 relative \u00e0 l&rsquo;acoustique des locaux et \u00e0 l&rsquo;isolation acoustique dans le b\u00e2timent en Suisse.<\/figcaption><\/figure>\n<\/div>\n<\/div><\/div>\n\n\n\n<div id=\"wp-block-themeisle-blocks-advanced-columns-72197c35\" class=\"wp-block-themeisle-blocks-advanced-columns alignfull has-2-columns has-desktop-twoOne-layout has-tablet-equal-layout has-mobile-collapsedRows-layout has-vertical-unset has-light-bg\"><div class=\"wp-block-themeisle-blocks-advanced-columns-overlay\"><\/div><div class=\"innerblocks-wrap\">\n<div id=\"wp-block-themeisle-blocks-advanced-column-e206e7ad\" class=\"wp-block-themeisle-blocks-advanced-column\">\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1000\" height=\"1000\" src=\"https:\/\/acoutech.ch\/wp-content\/uploads\/2026\/07\/akustik-sia-181-1-raumakustik-norm-andere-gesetze-schweiz-acoutech.jpg\" alt=\"Infographie pr\u00e9sentant la classification SIA 181\/1, qui s&#039;appuie sur trois normes (SIA 181, DIN 18041 et art. 22 de l&#039;OLT 3), et mettant en \u00e9vidence les lois et normes applicables sur le lieu de travail\" class=\"wp-image-5746\" style=\"aspect-ratio:1;object-fit:cover\" title=\"\" srcset=\"https:\/\/acoutech.ch\/wp-content\/uploads\/2026\/07\/akustik-sia-181-1-raumakustik-norm-andere-gesetze-schweiz-acoutech.jpg 1000w, https:\/\/acoutech.ch\/wp-content\/uploads\/2026\/07\/akustik-sia-181-1-raumakustik-norm-andere-gesetze-schweiz-acoutech-768x768.jpg 768w, https:\/\/acoutech.ch\/wp-content\/uploads\/2026\/07\/akustik-sia-181-1-raumakustik-norm-andere-gesetze-schweiz-acoutech-300x300.jpg 300w, https:\/\/acoutech.ch\/wp-content\/uploads\/2026\/07\/akustik-sia-181-1-raumakustik-norm-andere-gesetze-schweiz-acoutech-600x600.jpg 600w, https:\/\/acoutech.ch\/wp-content\/uploads\/2026\/07\/akustik-sia-181-1-raumakustik-norm-andere-gesetze-schweiz-acoutech-100x100.jpg 100w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><figcaption class=\"wp-element-caption\">Infographie pr\u00e9sentant le cadre normatif et l\u00e9gal de la norme SIA 181\/1 en Suisse \u2013 en lien avec la norme SIA 181 \u00ab Isolation acoustique dans le b\u00e2timent \u00bb, la norme DIN 18041 \u00ab Audibilit\u00e9 dans les locaux \u00bb et l&rsquo;article 22 de l&rsquo;OrAV 3 de la loi sur le travail.<\/figcaption><\/figure>\n<\/div>\n\n\n\n<div id=\"wp-block-themeisle-blocks-advanced-column-6db53628\" class=\"wp-block-themeisle-blocks-advanced-column\">\n<h2 class=\"wp-block-heading has-neve-link-hover-color-color has-text-color has-link-color wp-elements-4\">Lien avec d&rsquo;autres normes<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Situer la SIA 181\/1 dans son contexte normatif et l\u00e9gal<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>SIA 181 (Isolation acoustique dans le b\u00e2timent)<\/strong><br>Isolation acoustique entre les pi\u00e8ces ; compl\u00e8te la norme SIA 181\/1.<\/li>\n\n\n\n<li><strong>Norme DIN 18041 (Audibilit\u00e9 dans les locaux)<\/strong><br>R\u00e9f\u00e9rence en mati\u00e8re d&rsquo;acoustique des locaux ; valeurs cibles pour le temps de r\u00e9verb\u00e9ration en fonction de l&rsquo;utilisation.<\/li>\n\n\n\n<li><strong>Art. 22 de la LTr (loi sur le travail) \/ OLT 3 (protection de la sant\u00e9) <\/strong><br>Exigences en mati\u00e8re de sant\u00e9 et de bien-\u00eatre au travail ; l&rsquo;acoustique des locaux, un facteur important pour les bureaux et les laboratoires, ainsi que pour l&rsquo;industrie et le commerce<\/li>\n<\/ul>\n\n\n\n<div style=\"height:40px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div style=\"--wp--block-button--width: 75;\" class=\"wp-block-button is-style-primary has-custom-width wp-block-button__width wp-block-button__width-75\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/acoutech.ch\/fr\/contact\/\">Obtenez des conseils maintenant<\/a><\/div>\n<\/div>\n\n\n\n<div style=\"height:40px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<\/div>\n<\/div><\/div>\n\n\n\n<div id=\"wp-block-themeisle-blocks-advanced-columns-e4930659\" class=\"wp-block-themeisle-blocks-advanced-columns alignfull has-2-columns has-desktop-twoOne-layout has-tablet-equal-layout has-mobile-collapsedRows-layout has-vertical-unset has-light-bg\"><div class=\"wp-block-themeisle-blocks-advanced-columns-overlay\"><\/div><div class=\"innerblocks-wrap\">\n<div id=\"wp-block-themeisle-blocks-advanced-column-a3cc55ac\" class=\"wp-block-themeisle-blocks-advanced-column\">\n<h2 class=\"wp-block-heading has-neve-link-hover-color-color has-text-color has-link-color wp-elements-5\">Notre offre &amp; assistance<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Conseil et accompagnement pour une acoustique des locaux conforme aux normes en vigueur<\/li>\n\n\n\n<li>Fourniture de fiches techniques et d&rsquo;un rapport d&rsquo;essai<\/li>\n\n\n\n<li>Soutien aux appels d&rsquo;offres<\/li>\n<\/ul>\n\n\n\n<div style=\"height:40px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div style=\"--wp--block-button--width: 75;\" class=\"wp-block-button is-style-primary has-custom-width wp-block-button__width wp-block-button__width-75\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/acoutech.ch\/fr\/contact\/\">Obtenez des conseils maintenant<\/a><\/div>\n<\/div>\n<\/div>\n\n\n\n<div id=\"wp-block-themeisle-blocks-advanced-column-3500441c\" class=\"wp-block-themeisle-blocks-advanced-column\">\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1000\" height=\"1000\" src=\"https:\/\/acoutech.ch\/wp-content\/uploads\/2026\/07\/akustik-schweiz-beratung-acoutech-2.jpg\" alt=\"Un homme et une femme en entretien de conseil, assis \u00e0 une table avec des panneaux acoustiques en arri\u00e8re-plan\" class=\"wp-image-5606\" title=\"\" srcset=\"https:\/\/acoutech.ch\/wp-content\/uploads\/2026\/07\/akustik-schweiz-beratung-acoutech-2.jpg 1000w, https:\/\/acoutech.ch\/wp-content\/uploads\/2026\/07\/akustik-schweiz-beratung-acoutech-2-768x768.jpg 768w, https:\/\/acoutech.ch\/wp-content\/uploads\/2026\/07\/akustik-schweiz-beratung-acoutech-2-300x300.jpg 300w, https:\/\/acoutech.ch\/wp-content\/uploads\/2026\/07\/akustik-schweiz-beratung-acoutech-2-600x600.jpg 600w, https:\/\/acoutech.ch\/wp-content\/uploads\/2026\/07\/akustik-schweiz-beratung-acoutech-2-100x100.jpg 100w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><figcaption class=\"wp-element-caption\">Les entreprises et les concepteurs suisses \u00e0 la recherche de conseils professionnels en acoustique pour les bureaux, les salles de r\u00e9union et les espaces de travail b\u00e9n\u00e9ficient, gr\u00e2ce \u00e0 acoutech, de solutions sur mesure visant \u00e0 r\u00e9duire la r\u00e9verb\u00e9ration et \u00e0 am\u00e9liorer l&rsquo;intelligibilit\u00e9 de la parole.<\/figcaption><\/figure>\n<\/div>\n<\/div><\/div>\n\n\n\n<div id=\"wp-block-themeisle-blocks-advanced-columns-3f082831\" class=\"wp-block-themeisle-blocks-advanced-columns alignfull has-2-columns has-desktop-oneTwo-layout has-tablet-equal-layout has-mobile-twoOne-layout has-vertical-unset has-light-bg\"><div class=\"wp-block-themeisle-blocks-advanced-columns-overlay\"><\/div><div class=\"innerblocks-wrap\">\n<div id=\"wp-block-themeisle-blocks-advanced-column-e088b77b\" class=\"wp-block-themeisle-blocks-advanced-column\">\n<h2 id=\"wp-block-themeisle-blocks-advanced-heading-4806b582\" class=\"wp-block-themeisle-blocks-advanced-heading wp-block-themeisle-blocks-advanced-heading-4806b582\">T\u00e9l\u00e9chargement &amp; Espace de connaissances<\/h2>\n<\/div>\n\n\n\n<div id=\"wp-block-themeisle-blocks-advanced-column-b4352f49\" class=\"wp-block-themeisle-blocks-advanced-column\"><div class=\"wp-block-image\">\n<figure class=\"alignright size-full is-resized\"><img decoding=\"async\" src=\"https:\/\/acoutech.ch\/wp-content\/uploads\/2026\/05\/akustik-icons-submissionstext-acoutech-6e1157.svg\" alt=\"T\u00e9l\u00e9charger\" class=\"wp-image-4478\" style=\"width:120px;height:auto\" title=\"\"><\/figure>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<div id=\"wp-block-themeisle-blocks-advanced-columns-9f3468ac\" class=\"wp-block-themeisle-blocks-advanced-columns alignfull has-1-columns has-desktop-oneTwo-layout has-tablet-equal-layout has-mobile-collapsedRows-layout has-vertical-unset has-light-bg\"><div class=\"wp-block-themeisle-blocks-advanced-columns-overlay\"><\/div><div class=\"innerblocks-wrap\">\n<div id=\"wp-block-themeisle-blocks-advanced-column-72c35ffe\" class=\"wp-block-themeisle-blocks-advanced-column\">\n<ul class=\"wp-block-list\">\n<li>Comment en savoir plus sur la norme SIA 181\/1 ? \u2013 <a href=\"https:\/\/acoutech.ch\/wp-content\/uploads\/2026\/08\/acoustique-sia181-1-acoustiqe-de-piece-factsheet-acoutech-fr.pdf\" target=\"_blank\" data-type=\"link\" data-id=\"https:\/\/acoutech.ch\/wp-content\/uploads\/2026\/08\/acoustique-sia181-1-acoustiqe-de-piece-factsheet-acoutech-fr.pdf\" rel=\"noreferrer noopener\">T\u00e9l\u00e9charger l&rsquo;article de r\u00e9f\u00e9rence \u00ab SIA 181\/1 : Acoustique des salles \u00bb au format PDF (0,15 Mo)<\/a> <\/li>\n\n\n\n<li>Comment proc\u00e9der correctement conform\u00e9ment \u00e0 la norme SIA 181\/1 ? \u2013 <a href=\"https:\/\/acoutech.ch\/wp-content\/uploads\/2026\/08\/acoustique-sia181-1-checkliste-acoustiqe-de-piece-factsheet-acoutech-fr.pdf\" target=\"_blank\" data-type=\"link\" data-id=\"https:\/\/acoutech.ch\/wp-content\/uploads\/2026\/08\/acoustique-sia181-1-checkliste-acoustiqe-de-piece-factsheet-acoutech-fr.pdf\" rel=\"noreferrer noopener\">T\u00e9l\u00e9charger la liste de contr\u00f4le SIA 181\/1 \u00ab Acoustique des salles \u00bb au format PDF (0,13 Mo)<\/a> <\/li>\n\n\n\n<li><a href=\"https:\/\/acoutech.ch\/wp-content\/uploads\/2026\/08\/akustik-nachhallzeit-raumakustik-factsheet-acoutech-de.pdf\" data-type=\"link\" data-id=\"https:\/\/acoutech.ch\/wp-content\/uploads\/2026\/08\/akustik-nachhallzeit-raumakustik-factsheet-acoutech-de.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">Que<\/a>signifie exactement le \u00ab temps de r\u00e9verb\u00e9ration \u00bb ? \u2013 <a href=\"https:\/\/acoutech.ch\/wp-content\/uploads\/2026\/08\/acoustique-temps-de-reverberation-acoustique-de-piece-factsheet-fr.pdf\" data-type=\"link\" data-id=\"https:\/\/acoutech.ch\/wp-content\/uploads\/2026\/08\/acoustique-temps-de-reverberation-acoustique-de-piece-factsheet-fr.pdf\">T\u00e9l\u00e9charger l&rsquo;article \u00ab Le temps de r\u00e9verb\u00e9ration \u00bb au format PDF (0,14 Mo)<\/a><\/li>\n<\/ul>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<\/div>\n<\/div><\/div>\n\n\n\n<div id=\"wp-block-themeisle-blocks-advanced-columns-82ab5230\" class=\"wp-block-themeisle-blocks-advanced-columns alignfull has-2-columns has-desktop-oneTwo-layout has-tablet-equal-layout has-mobile-twoOne-layout has-vertical-unset has-light-bg\"><div class=\"wp-block-themeisle-blocks-advanced-columns-overlay\"><\/div><div class=\"innerblocks-wrap\">\n<div id=\"wp-block-themeisle-blocks-advanced-column-2c1f2f3c\" class=\"wp-block-themeisle-blocks-advanced-column\">\n<h2 id=\"wp-block-themeisle-blocks-advanced-heading-b3bbb9d9\" class=\"wp-block-themeisle-blocks-advanced-heading wp-block-themeisle-blocks-advanced-heading-b3bbb9d9\">FAQ \u2013 Questions et r\u00e9ponses concernant la norme SIA 181\/1 \u00ab Acoustique des salles \u00bb<\/h2>\n<\/div>\n\n\n\n<div id=\"wp-block-themeisle-blocks-advanced-column-bcf0b857\" class=\"wp-block-themeisle-blocks-advanced-column\"><div class=\"wp-block-image\">\n<figure class=\"alignright size-full\"><img decoding=\"async\" width=\"91\" height=\"92\" src=\"https:\/\/acoutech.ch\/wp-content\/uploads\/2026\/05\/faq-acoutech-6e52fe.svg\" alt=\"FAQ : Questions et r\u00e9ponses\" class=\"wp-image-4654\" title=\"\"><\/figure>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<div id=\"wp-block-themeisle-blocks-advanced-columns-b28beeb7\" class=\"wp-block-themeisle-blocks-advanced-columns alignfull has-1-columns has-desktop-oneTwo-layout has-tablet-equal-layout has-mobile-collapsedRows-layout has-vertical-unset has-light-bg\"><div class=\"wp-block-themeisle-blocks-advanced-columns-overlay\"><\/div><div class=\"innerblocks-wrap\">\n<div id=\"wp-block-themeisle-blocks-advanced-column-a78de924\" class=\"wp-block-themeisle-blocks-advanced-column\">\n<div id=\"wp-block-themeisle-blocks-accordion-b4c9b18e\" data-has-schema=\"true\" class=\"wp-block-themeisle-blocks-accordion exclusive no-gap has-icon has-open-icon has-light-title-bg has-dark-active-title-bg is-style-default\">\n<details open class=\"wp-block-themeisle-blocks-accordion-item\"><summary class=\"wp-block-themeisle-blocks-accordion-item__title\"><div><strong><strong>Quelle est la diff\u00e9rence entre SIA 181 et SIA 181\/1 ?<\/strong><\/strong><\/div><\/summary><div class=\"wp-block-themeisle-blocks-accordion-item__content\">\n<p class=\"has-neve-link-color-color has-text-color has-link-color wp-elements-6 wp-block-paragraph\">La norme SIA 181 r\u00e9glemente l&rsquo;isolation acoustique des b\u00e2timents, tandis que la norme SIA 181\/1 r\u00e9glemente l&rsquo;acoustique des locaux.<\/p>\n<\/div><\/details>\n\n\n\n<details class=\"wp-block-themeisle-blocks-accordion-item\"><summary class=\"wp-block-themeisle-blocks-accordion-item__title\"><div><strong><strong>La norme SIA 181\/1 est-elle obligatoire ?<\/strong><\/strong><\/div><\/summary><div class=\"wp-block-themeisle-blocks-accordion-item__content\">\n<p class=\"has-neve-link-color-color has-text-color has-link-color wp-elements-7 wp-block-paragraph\">Elle est consid\u00e9r\u00e9e comme une r\u00e8gle technique reconnue et sert de base \u00e0 la planification.<\/p>\n<\/div><\/details>\n\n\n\n<details class=\"wp-block-themeisle-blocks-accordion-item\"><summary class=\"wp-block-themeisle-blocks-accordion-item__title\"><div><strong><strong><strong>\u00c0 quels espaces la norme s&rsquo;applique-t-elle ?<\/strong><\/strong><\/strong><\/div><\/summary><div class=\"wp-block-themeisle-blocks-accordion-item__content\">\n<p class=\"has-neve-link-color-color has-text-color has-link-color wp-elements-8 wp-block-paragraph\">Pour tous les espaces o\u00f9 la communication et l&rsquo;utilisation jouent un r\u00f4le (par ex. bureaux, \u00e9coles, salles de r\u00e9union).<\/p>\n<\/div><\/details>\n\n\n\n<details class=\"wp-block-themeisle-blocks-accordion-item\"><summary class=\"wp-block-themeisle-blocks-accordion-item__title\"><div><strong><strong>Pourquoi l&rsquo;acoustique des salles est-elle redevenue une norme \u00e0 part enti\u00e8re ?<\/strong><\/strong><\/div><\/summary><div class=\"wp-block-themeisle-blocks-accordion-item__content\">\n<p class=\"has-neve-link-color-color has-text-color has-link-color wp-elements-9 wp-block-paragraph\">Parce que leur importance pour la sant\u00e9, l&rsquo;apprentissage et le travail s&rsquo;est consid\u00e9rablement accrue.<\/p>\n<\/div><\/details>\n\n\n\n<details class=\"wp-block-themeisle-blocks-accordion-item\"><summary class=\"wp-block-themeisle-blocks-accordion-item__title\"><div><strong><strong><strong>Quelles sont les valeurs caract\u00e9ristiques pertinentes ?<\/strong><\/strong><\/strong><\/div><\/summary><div class=\"wp-block-themeisle-blocks-accordion-item__content\">\n<p class=\"has-neve-link-color-color has-text-color has-link-color wp-elements-10 wp-block-paragraph\">Notamment le temps de r\u00e9verb\u00e9ration et le bruit de fond.<\/p>\n<\/div><\/details>\n<\/div>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" 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