title: How to change mp3 file to wav file in node.js
body: <p>I am trying to convert mp3 file to wav file but I am not getting idea how to do that, I tried using <a href="https://www.npmjs.com/package/fluent-ffmpeg" rel="nofollow noreferrer">fluent-ffmpeg</a> library but I don't know how to use that.</p>