How to autoplay embed audio in a Specific time , daily ?

You can try to use this snippet. Also in your main method use myTimer.Start() method to start the timer. After every execution you can reset the timer as well if required.

System.Timers.Timer myTimer = new System.Timers.Timer();
myTimer.Elapsed += new ElapsedEventHandler(OnTimer);
myTimer.Interval = 1000; //Means 1 second
myTimer.Enabled = true;

public void OnTimer(object source, ElapsedEventArgs e )
{
    //Your code here
}

Rate it if it solves your problem.