Load a sound to audio tag and play it later

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Javascript

HTML5

I have a page for which i need to play a sound (audio tag or js Audio object) at a specific instance. The audio file location is not in my local webserver, it's at another server accessed like 'https://site.com/folder/file.wav'

I need to access and load this file at page load and need to play it without having a delay. Adding my current code below

<script> 
 var player = new Audio();

 $(document).ready(function () {
   player.src = 'https://site.com/folder/file.wav';
 });

function play()
{
player.play();
}
</script>

Problem i'm facing now is, if i'm running it from a computer with WIFI, it plays ontime; but if i run that from my android mobile it plays after 3-5 seconds.

Please advise.