The video signal starts from the input terminal equipment, is sent to the network after encoding and compression, and finally displays, and has gone through many image processing links in the middle, mainly including: IP camera signal acquisition, pre-processing, compression encoding, data packaging and transmission, decoding, image format changes, playback.
What are the following message interactions included in the process of a terminal calling by number using the H.323 protocol?
In the process of processing the video signal of the video terminal, the chip is responsible for encoding and compression. (Please fill in the English abbreviations).
Four metrics, color temperature, illuminance, and color rendering index, are used to measure the effect of conference room lighting, which has an impact on the rendering of video images of the conference.
Video IVR, on the basis of audio IVR, adds a video interactive interface, which can more easily and intuitively guide users to join a conference or create a conference on the terminal side. ()
In video conferencing, the empty field noise is required not to be greater than ( ).
In the form of broadcasting, all ports can receive each data sent. Users can connect to this device and use packet capture tools such as Wireshark to grab packets sent to the device on the network and packets sent by the device to the network.
TESTED 23 Feb 2025
