Updates the parent info too

src/howler.core.js

@@ -2007,10 +2007,21 @@
      */
     _endListener: function() {
       var self = this;
+      var parent = self._parent;
+
+      // This event should fire only when the audio ended despite being marked infinite by the browser
+      if (parent._duration === Infinity) {
+
+        // Update the parent duration to match the real audio duration
+        // Round up the duration to account for the lower precision in HTML5 Audio.
+        parent._duration = Math.ceil(self._node.duration * 10) / 10;
+
+        // Setup a sprite that corresponds to the real duration.
+        if (parent._sprite.__default[1] === Infinity) {
+          parent._sprite.__default[1] = parent._duration * 1000;
+        }
 
-      // Fire an end event - the duration should have been infinite but the audio ended anyways.
-      if (self._parent._duration === Infinity) {
-        self._parent._ended(self);
+        parent._ended(self);
       }
 
       // Clear the event listener.