{"version":"1.0","provider_name":"Nevial","provider_url":"http:\/\/nevial.pl","author_name":"Jakub Ociepa","author_url":"http:\/\/nevial.pl\/index.php\/author\/admin\/","title":"Ekrany akustyczne - Nevial","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"bYa1v6XRn0\"><a href=\"http:\/\/nevial.pl\/index.php\/ekrany-akustyczne\/\">Ekrany akustyczne<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"http:\/\/nevial.pl\/index.php\/ekrany-akustyczne\/embed\/#?secret=bYa1v6XRn0\" width=\"600\" height=\"338\" title=\"&#8222;Ekrany akustyczne&#8221; &#8212; Nevial\" data-secret=\"bYa1v6XRn0\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script type=\"text\/javascript\">\n\/* <![CDATA[ *\/\n\/*! This file is auto-generated *\/\n!function(d,l){\"use strict\";l.querySelector&&d.addEventListener&&\"undefined\"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!\/[^a-zA-Z0-9]\/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret=\"'+t.secret+'\"]'),o=l.querySelectorAll('blockquote[data-secret=\"'+t.secret+'\"]'),c=new RegExp(\"^https?:$\",\"i\"),i=0;i<o.length;i++)o[i].style.display=\"none\";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute(\"style\"),\"height\"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):\"link\"===t.message&&(r=new URL(s.getAttribute(\"src\")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener(\"message\",d.wp.receiveEmbedMessage,!1),l.addEventListener(\"DOMContentLoaded\",function(){for(var e,t,s=l.querySelectorAll(\"iframe.wp-embedded-content\"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute(\"data-secret\"))||(t=Math.random().toString(36).substring(2,12),e.src+=\"#?secret=\"+t,e.setAttribute(\"data-secret\",t)),e.contentWindow.postMessage({message:\"ready\",secret:t},\"*\")},!1)))}(window,document);\n\/\/# sourceURL=http:\/\/nevial.pl\/wp-includes\/js\/wp-embed.min.js\n\/* ]]> *\/\n<\/script>\n","description":"[vc_row][vc_column width=&#8221;1\/2&#8243; el_class=&#8221;about-slider&#8221;][vc_gallery interval=&#8221;3&#8243; images=&#8221;10163,10557,10559,10572,10574,10577,10578,10579,10570&#8243; img_size=&#8221;1100*600&#8243; el_class=&#8221;about-slider&#8221;][\/vc_column][vc_column width=&#8221;1\/2&#8243; el_class=&#8221;about-content&#8221; css=&#8221;.vc_custom_1566388554468{margin-bottom: 20px !important;}&#8221;][vc_column_text css=&#8221;.vc_custom_1645457612911{margin-top: 10px !important;}&#8221;]Ekran akustyczny to \u00a0sztuczna przeszkoda, maj\u0105ca na celu zredukowa\u0107 ha\u0142as do minimum \u00a0poprzez poch\u0142anianie lub\/i odbicie fal d\u017awi\u0119kowych. Za przeszkod\u0105 powstaje obszar o zmniejszonym nat\u0119\u017ceniu d\u017awi\u0119ku zwany cieniem akustycznym. Skuteczno\u015b\u0107 ekranu akustycznego zale\u017cy od rozmiar\u00f3w ekranu, jego usytuowania wzgl\u0119dem \u017ar\u00f3d\u0142a ha\u0142asu [&hellip;]"}