What properties does the color rendering index affect on the color of a video image?
Answer : B, D
What factors does the quality of digital audio depend on?
Answer : A, C, D
Video compression includes intra-frame compression (I frame) and inter-frame compression (P frame), common H.26X, MPEG-2, MPEG-4 Both support in-frame/inter-frame compression.
Answer : A
PCM coding mainly includes three processes: sampling, quantization, and coding.
Answer : A
Which of the following types of RTCP messages is used to describe the source from which the RTCP packet was sent?
Answer : A
What are the correct items in the following description of the RTCP protocol?
Answer : B, C, D
Which of the following descriptions of the SIP protocol is correct?
Answer : B