{"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":"What is the M4A format? - mp4gain.com","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"UQ7LrML27d\"><a href=\"https:\/\/mp4gain.com\/mp4gain\/what-is-the-m4a-format-2\/\">What is the M4A format?<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/mp4gain.com\/mp4gain\/what-is-the-m4a-format-2\/embed\/#?secret=UQ7LrML27d\" width=\"600\" height=\"338\" title=\"&#8220;What is the M4A format?&#8221; &#8212; mp4gain.com\" data-secret=\"UQ7LrML27d\" 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":"What is the M4A format? The M4A format is an extension attached to audio files, just like MP3. .m4a is compressed by the AAC (Advanced Audio Coding) standard, but AAC is based on the MPEG4 format. In the MPEG4 format that stores audio and video data, .m4a only records the audio data. As part of &hellip; Continue reading \"\"","thumbnail_url":"https:\/\/www.ecured.cu\/images\/c\/ca\/M4A.jpg"}