The IP network broadcast central control host is the core of the system. Using touch screen display operation, built-in powerful IP network broadcast control software, commonly used program materials, large-capacity program source space, users can download or make recorded programs according to their needs. Responsible for audio streaming services, scheduled task processing, terminal management and rights management. Manage program library resources, provide scheduled on-demand and real-time media services for all network terminals, respond to requests from network terminals, and provide data interface services for audio stations. Full digital transmission, using local area network or Internet with independent IP as the main transmission medium, supports dedicated 100M network transmission, transmission distance is not limited, up to dozens or hundreds of program sources, and realizes the integration of multiple networks.