PPT(PowerPoint) is one of the office software components produced by Microsoft Corporation in the United States (except Excel, Word, etc.). ), most commonly used for making slide shows. Double stream in video conference refers to the screen that displays video images and document data PPT. Or the video terminal is connected with two monitors, one for displaying video images and the other for displaying document data PPT. As long as your video conference terminal supports dual stream, then this computer PPT signal and video image are transmitted at the same time, which is dual stream.
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