(The use of multimedia has penetrated into people's lives, and video conferencing has become one of the important means in office meetings and teaching. High-definition TV and high-definition video are also the talk of people after dinner, so what is the standard of high-definition? What is the resolution of HD? What is the difference between a monitor in the computer industry and a resolution in the TV industry? Why do video conferencing and digital TV use sub-sampling in image sampling? How are HD videoconferencing and HDTV unified? This article will unravel the layers of video for you and gain a deep understanding of the basics of video conferencing.)
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