Hi, this is the important part.
Put one of the time announcements in the hour template. Set and change the filename there to Variables %h%m for the filename .
mAirlist will then search for a file that has the name corresponding to the set variable (in this case: hour and minute) when mAirlist loads the player, so if this element is played 11:13 it will look for (i.e.) announcement_1113.mp3
!! It’s important to activate the variable-replacement in the settings of the element !!
You can read more about it in this (german) Thread: