HTML5 check if audio is playing?
function isPlaying(audelem) { return !audelem.paused; }
The Audio tag has a paused property. If it is not paused, then it's playing.
You can check the duration. It is playing if the duration is more than 0 seconds and it is not paused.
var myAudio = document.getElementById('myAudioID');
if (myAudio.duration > 0 && !myAudio.paused) {
//Its playing...do your job
} else {
//Not playing...maybe paused, stopped or never played.
}