The following equipment is generally required to build a video conference system:
Audio input equipment: wired microphone + mixer, wireless microphone, interface microphone, etc. There are many choices of microphones, which can be selected according to the conditions of the specific venue. When choosing a microphone, pay attention to the following points: frequency response is 150HZ-10KHZ; sensitivity should not be too high, high-sensitivity microphones are prone to howling; try to use directional microphones, For users who can only use non-directional microphones, because the microphone is greatly affected by the external environment, it needs to be used with an echo canceller.
Audio output equipment: speakers, power amplifiers, mixers, etc.
Video input device: camera.
Video output equipment: HD TV or LCD TV, projector. The quality of video output equipment determines the sound and picture effects of video conferences. Therefore, it is recommended that enterprises choose high-definition TV sets to cooperate with video conference terminals.
Network video capture card: The video capture card is mainly responsible for the digital-to-analog conversion of the video. Choosing a high-end video capture card can improve the display effect of the video on the monitor or projector.