Execute a JavaScript when the audio is downloading:
<!DOCTYPE html> <html> <body> <audio controls onprogress="myFunction()"> <source src="sound.ogg" type="audio/ogg"> <source src="sound.mp3" type="audio/mpeg"> Your browser does not support the audio element. </audio>//from w w w .j a v a2s . c o m <p id="demo"></p> <script> function myFunction() { document.getElementById("demo").innerHTML = "Downloading audio"; } </script> </body> </html>