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Definition: real-time video


The transmission of live video. Real-time video implies no delay at the receiving side, or at most, imperceptible delays, and it is required for a smooth two-way video calling or videoconferencing session. Although a one-way video broadcast streamed live may be considered real-time video, there is an intentional, buffered delay at the receiving end to compensate for momentary disruptions in the transmission. See streaming video, real-time audio, lifecasting, video calling, videoconferencing, UDP and real time.