THE ADDITION OF VOICE OUTPUT TO A SYSTEM IS CONSIDERED. THREE READILY AVAILABLE INTEGRATED CIRCUITS ARE INTRODUCED THATCAN BE USED WITH A LOW-COST MICROPROCESSOR TO OBTAIN HIGHLYINTELLIGIBLE SPEECH. THESE SPEECH CHIPS ARE PART OF A SPEECH PERIPHERAL WHICH WILL REPRODUCE ON DEMAND ANALOG SIGNALS, WELL ENOUGH TO BE UNDERSTOOD EASILY BY AN UNTRAINED LISTENER.