The resolution of 1080I is interlaced scanning of 1920*1080.
50/60 fields are a middle way of relatively low transmission load, which give consideration to 60 frames smooth and 30 frames.
H.323 standard belongs to ( ) network
When two MCU cascade, scheduling a meeting, besides, superior and subordinate MCU as a virtual venue respectively join the conference.
Business management system is used for centralized management of video resources, responsible for reservation and scheduling of meetings, including network control center, conference reservation system ( ).
Which of the following is supported by the main control board switchover?
