How does the terminal read the camera's data?
As shown in the following figure, when the user presses the "+", "-" or arrow keys in the camera control interface of the terminal, he finds that the camera at this end does not respond, which of the following is not the possible cause of the problem
What are some of the following reasons for the GK side to hang up a call?
Which of the following is the core specification of the SIP protocol?
The gateway in 502.H. 323 is between a circuit-switched network and a packet-switched network. ( )
PCM coding mainly includes three processes: sampling, quantization, and coding. ()
The SIP protocol is an application-layer protocol.
Jitter Buffer calculates network latency based on the transmission and reception time of messages, statistically averages the changes in message delays, predicts network jitter based on historical statistical results to track network conditions, and uses the minimum delay to achieve the goal of eliminating jitter Target.
Which of the following video resolutions meet the 16:9 aspect ratio requirement?
Which of the following in the header domain is used to represent the SIP entity through which the request passes and the route response?
A high-definition video terminal (referred to as a terminal) is a codec that processes audio and video code streams and data code streams.
At present, the sampling method mainly used in video communication: 4:2:0 sampling method ().
SIP messages fall into two categories, messages and response messages.
Video conferencing has certain requirements for lamps, and the lamps used require strong light efficiency, uniform and soft light, and make full use of diffuse reflection.
What is the range of empty field noise requirements in the acoustic key indicators?
