Video over the IP usage is growing these days – it ranges from watching video clips (streaming), to uploading video content (to UGC websites) and to video calling. All this is done mostly over the Internet, which is a “best effort” network. This means that there is no guarantee that that which is sent will be received in real time, this of course includes video. This means that any video being sent over the Internet has to be protected for
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By Tsahi Levent-Levi | August 10th, 2009 | Filed under Technology
[The world is moving to video, so if you're dealing with VoIP communications and video is on your radar, there are some terms you probably need to know. I have asked Amit Klir, who is one of our video experts to compile a short list of the most essential terms in video coding.] As video over IP is becoming commonplace, more and more people are becoming involved with video applications development, integration, deployment and administration. As complicated as video
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By guest | December 11th, 2008 | Filed under Interoperability, Technology
People often use the term “real-time video”, but it could me different things to different people. Some regard real-time video as the kind you stream, others as the kind you use for visual communication. The difference may seem insignificant, but it’s all that is needed to botch a real- time video project. The Kind You Stream The streaming kind is uni-directional – the video in this case flows from a single source to one or more destinations. As the delay
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By Tsahi Levent-Levi | November 20th, 2008 | Filed under Technology
RTSP is a must for IPTV today. It is what makes VOD (Video on Demand) work. As a protocol, RTSP is quite simple: you open an HTTP connection and send messages over it that are similar to the physical remote control for video (play, pause, etc.). But will it do? Does IPTV really sum up to a smart web VCR? I already described my future TV, which requires more than that. Can SIP, our Swiss Army Knife, take the
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By Tsahi Levent-Levi | September 25th, 2008 | Filed under IPTV, Standardization
