The transmission of live video. It implies that there is no delay at the receiving side, or at most, imperceptible delays. Although a video broadcast that is streamed live may be considered real-time video, there is an intentional, buffered delay at the receiving end. True real-time video capability is required in a two-way video calling or videoconferencing session. See streaming video, real-time audio, lifecasting, video calling, videoconferencing, UDP and real time.