The server is the heart of the IP network system, it monitors all devices in the system all the time, responses to the request from external device at any time.1. Managing the audio resources store, which are provided to audio channel, instant broadcast, timing program and AOD. 2. Supporting up to30 different channels online broacasting at the same time, timing task management and manually control are both avialable for channel broacasting. 3. Supporting multi timing planning, muti task running, multi mode setting, the timing task can circle week by week or day by day. 4. Flexible AOD management and control function. 5. Timing task management and control for other external device, such as audio matrix, amplifier and zone selector.