Try these codes… it autoplay immediately or after a reload page at my web site ADS-B and VHF audio sharing feeder @ http://rodyeo.dyndns.org hosting on Raspberry Pi 3B+
<audio width="150px" height="25" allow=”autoplay” autoplay="autoplay" src="http://rodyeo.dyndns.org:8000/wmsa" controls="controls">If stream does not start automatically press the play button</audio >