title: Reverse audio file (nodejs)
body: <p>How, using node js platform, reverse (playback version of file) audio file? And how it actually works ?<br>
  I already tried to reverse buffer of file:</p>
  
  <pre><code>let fs = require('fs');
  var buffertools = require('buffertools');
  let reverse = require("buffer-reverse")
  
  let data =  fs.readFileSync('./test.mp3');
  
  fs.writeFileSync('resulty.mp3',new Buffer(buffertools.reverse(data)));
  </code></pre>