1.0EARS 2https://ears2.eu/csadminhttps://ears2.eu/cs/archives/author/adminrich600338<blockquote class="wp-embedded-content" data-secret="aYVFLG3q0t"><a href="https://ears2.eu/cs/encyclopediacs/microphone">Microphone</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://ears2.eu/cs/encyclopediacs/microphone/embed#?secret=aYVFLG3q0t" width="600" height="338" title="„Microphone“ — EARS 2" data-secret="aYVFLG3q0t" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script> /*! This file is auto-generated */ !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); //# sourceURL=https://ears2.eu/wp-includes/js/wp-embed.min.js </script> Microphones are used to capture sounds. They detect vibrations in the air caused by sound waves and convert these into electrical signals, These electrical signals are then passed on to be stored (in the process of recording), or fed to loudspeakers (which convert the electrical signals back into soundwave vibrations). There are many different types […]https://ears2.eu/wp-content/uploads/2013/05/Microphone-300x214.png