Design of Infrared Remote Control Hospital Broadcast System Based on ISD4004 / 医疗卫生装备

ABSTRACT

Objective To design a hospital broadcast system with infrared remote control using phonetic chip ISD4004.Methods The author used AT89S52 and infrared remote control module to achieve speech recording and playing in hospital.After simply analyzing ISD4004 working-principle,the author designed the software and hardware modules,and realized a digital voice storage and playback.Results The hospital broadcast system was built based on ISD4004 voice chip and infrared remote control.Conclusion The system provides a low-cost and high-performance hospital automatic broadcast solution and realizes intelligent and automation broadcast.