Hand-held conference microphone host, timed speech, automatic video tracking, and touch screen of conference terminal, participants can open conference microphone on the conference screen. Video tracking discussion system consists of hardware and software, using intelligent digital control technology to connect The computer has USB interface, TCP/IP network interface, WiFi LAN and RS232 serial port control, etc. It supports site layout, online detection, and venue microphone on/off control. A new generation of full-featured digital video tracking conferencing systems that are versatile, off-board and easy to operate.