<?xml version="1.0"?>
<oembed><version>1.0</version><provider_name>Nevial</provider_name><provider_url>http://nevial.pl</provider_url><author_name>Jakub Ociepa</author_name><author_url>http://nevial.pl/index.php/author/admin/</author_url><title>Ekrany akustyczne - Nevial</title><type>rich</type><width>600</width><height>338</height><html>&lt;blockquote class="wp-embedded-content" data-secret="RTcuvmCc8P"&gt;&lt;a href="http://nevial.pl/index.php/ekrany-akustyczne/"&gt;Ekrany akustyczne&lt;/a&gt;&lt;/blockquote&gt;&lt;iframe sandbox="allow-scripts" security="restricted" src="http://nevial.pl/index.php/ekrany-akustyczne/embed/#?secret=RTcuvmCc8P" width="600" height="338" title="&#x201E;Ekrany akustyczne&#x201D; &#x2014; Nevial" data-secret="RTcuvmCc8P" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"&gt;&lt;/iframe&gt;&lt;script&gt;
/* &lt;![CDATA[ */
/*! This file is auto-generated */
!function(d,l){"use strict";l.querySelector&amp;&amp;d.addEventListener&amp;&amp;"undefined"!=typeof URL&amp;&amp;(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&amp;&amp;!/[^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&lt;o.length;i++)o[i].style.display="none";for(i=0;i&lt;a.length;i++)s=a[i],e.source===s.contentWindow&amp;&amp;(s.removeAttribute("style"),"height"===t.message?(1e3&lt;(r=parseInt(t.value,10))?r=1e3:~~r&lt;200&amp;&amp;(r=200),s.height=r):"link"===t.message&amp;&amp;(r=new URL(s.getAttribute("src")),n=new URL(t.value),c.test(n.protocol))&amp;&amp;n.host===r.host&amp;&amp;l.activeElement===s&amp;&amp;(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&lt;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);
//# sourceURL=http://nevial.pl/wp-includes/js/wp-embed.min.js
/* ]]&gt; */
&lt;/script&gt;
</html><description>[vc_row][vc_column width=&#x201D;1/2&#x2033; el_class=&#x201D;about-slider&#x201D;][vc_gallery interval=&#x201D;3&#x2033; images=&#x201D;10163,10557,10559,10572,10574,10577,10578,10579,10570&#x2033; img_size=&#x201D;1100*600&#x2033; el_class=&#x201D;about-slider&#x201D;][/vc_column][vc_column width=&#x201D;1/2&#x2033; el_class=&#x201D;about-content&#x201D; css=&#x201D;.vc_custom_1566388554468{margin-bottom: 20px !important;}&#x201D;][vc_column_text css=&#x201D;.vc_custom_1645457612911{margin-top: 10px !important;}&#x201D;]Ekran akustyczny to &#xA0;sztuczna przeszkoda, maj&#x105;ca na celu zredukowa&#x107; ha&#x142;as do minimum &#xA0;poprzez poch&#x142;anianie lub/i odbicie fal d&#x17A;wi&#x119;kowych. Za przeszkod&#x105; powstaje obszar o zmniejszonym nat&#x119;&#x17C;eniu d&#x17A;wi&#x119;ku zwany cieniem akustycznym. Skuteczno&#x15B;&#x107; ekranu akustycznego zale&#x17C;y od rozmiar&#xF3;w ekranu, jego usytuowania wzgl&#x119;dem &#x17A;r&#xF3;d&#x142;a ha&#x142;asu [&hellip;]</description></oembed>
