{"version":"1.0","provider_name":"mp4gain.com","provider_url":"https:\/\/mp4gain.com\/mp4gain","author_name":"R. Arias","author_url":"https:\/\/mp4gain.com\/mp4gain\/author\/mp4gain\/","title":"MP3 - Compression criteria - mp4gain.com","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"vMVVaiN3k5\"><a href=\"https:\/\/mp4gain.com\/mp4gain\/mp3-compression-criteria\/\">MP3 &#8211; Compression criteria<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/mp4gain.com\/mp4gain\/mp3-compression-criteria\/embed\/#?secret=vMVVaiN3k5\" width=\"600\" height=\"338\" title=\"&#8220;MP3 &#8211; Compression criteria&#8221; &#8212; mp4gain.com\" data-secret=\"vMVVaiN3k5\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script>\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=https:\/\/mp4gain.com\/mp4gain\/wp-includes\/js\/wp-embed.min.js\n<\/script>\n","description":"MP3 &#8211; Compression criteria To perform such compression, the MP3 format is based on a simple concept: filter a digital piece of music and eliminate all unnecessary information, thus reducing space. The human ear is an almost perfect instrument but it also has its limits. The human ear pass band extends from 20 Hz to &hellip; Continue reading \"\"","thumbnail_url":"http:\/\/mp4gain.com\/mp4gain\/wp-content\/uploads\/2020\/05\/mp3-format-1.png"}