{"version":"1.0","provider_name":"GEH-TECH","provider_url":"https:\/\/www.geh-tech.com","author_name":"gehrhardt","author_url":"https:\/\/www.geh-tech.com\/index.php\/author\/gehrhardt\/","title":"Amplificateur de microphone vers niveau ligne - GEH-TECH","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"YHey6aQi0r\"><a href=\"https:\/\/www.geh-tech.com\/index.php\/amplificateur-de-microphone-vers-niveau-ligne\/\">Amplificateur de microphone vers niveau ligne<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/www.geh-tech.com\/index.php\/amplificateur-de-microphone-vers-niveau-ligne\/embed\/#?secret=YHey6aQi0r\" width=\"600\" height=\"338\" title=\"\u00ab\u00a0Amplificateur de microphone vers niveau ligne\u00a0\u00bb &#8212; GEH-TECH\" data-secret=\"YHey6aQi0r\" 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\/* ]]> *\/\n<\/script>\n","thumbnail_url":"https:\/\/www.geh-tech.com\/wp-content\/uploads\/2019\/04\/micPreamp-1.jpg","thumbnail_width":200,"thumbnail_height":267,"description":"Introduction J&rsquo;avais besoin de connecter un microphone standard \u00e0 un amplificateur audio sur une entr\u00e9e ligne. Le signal qui provient du microphone est tr\u00e8s faible avec quelques 20mV. Il faut donc amplifier le signal du microphone pour avoir un signal de niveau ligne. Cet article vous pr\u00e9sente le Pr\u00e9-ampli de microphone DIY avec les composants"}