Abstract:

Multimedia communication technology, as an advanced technology, had been used to provide remote consultation, meetings, technical trainings and other meteorological services in China Meteorological Administration (CMA). To meet requirements of high quality video transmission, stability of the system, and flexibility of conference organization, a high-definition Weather Conference System (WCS) was established with the advanced multimedia communication technology. The structure of the national high-definition WCS, main function and key technology were introduced. It was compared with the standard definition WCS. The results show that the new system has the advanced technology and stronger function. It is one of the supporting platforms of modern meteorological operational system, and it plays a very important role in meteorological service.

Key words: Weather forecast remote consultation, Multi control unit (MCU), Video and audio terminal, Standard definition, High-definition