html5 ses indirme düğmesini gizle

Google added a new feature since chrome 58. Now you can do this :

<audio width="400" height="38" controls controlsList="nodownload">
    <source data-src="...." type="audio/mpeg">
</audio>

More info here

https://developers.google.com/web/updates/2017/03/chrome-58-media-updates#controlslist