IAP In-Business Announcement Player 

The IAP Plays public address announcements using a computer. Features autoplay and manual announcements, automatic background music fade, date-time validity checking and day-part volume changes.
announcement pa in store announcer announcements message point of sale messages software player equipment messaging players play

BellWiz 

BellWiz is an innovative scheduling program which plays audio files for a public address system through a PC. The program is ideally created for playing school bells, fire drill sounds, and factory shift change sounds.
school bells factory fire drill sound player sound script