1.0mp4gain.comhttps://mp4gain.com/mp4gainR. Ariashttps://mp4gain.com/mp4gain/author/mp4gain/rich600338<blockquote class="wp-embedded-content" data-secret="ppwW7V9olN"><a href="https://mp4gain.com/mp4gain/how-does-mp3-work/">How does MP3 work?</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://mp4gain.com/mp4gain/how-does-mp3-work/embed/#?secret=ppwW7V9olN" width="600" height="338" title="“How does MP3 work?” — mp4gain.com" data-secret="ppwW7V9olN" 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://mp4gain.com/mp4gain/wp-includes/js/wp-embed.min.js </script> How does MP3 work? 1. The common name for portable MP3 player. a portable player used to play music in MP3 format (now compatible with wma, wav and other formats). Portable MP3 Player was originally developed by Korean Wenguang Su and Huang Dingxia (Moon & Hwang) Invented in 1997 and applied for related patents Detailed … Continue reading ""https://www.i-programmer.info/images/stories/BabBag/MP3/fig1.png