Communications

Error-free and high quality video delivered by VideoFlow

5th July 2013
ES Admin
0
IBC 2013 sees VideoFlow launch the newest additions to its DVP series of solutions for delivering live, high quality video over typical internet connections. VideoFlow’s patent pending technology ensures that when providing content over the internet, no packet is lost and also nullifies the jitter caused by transiting the Internet. This therefore, affords teleports, broadcasters and operators the opportunity to use a highly advanced, low cost solution for live, high quality video streams in place of existing, expensive solutions.
It is clear that leased lines can cost thousands of dollars a month and satellite channels tens of thousands of dollars a month. VideoFlow supply the one-off capital cost of VideoFlow’s products with a very quick ROI as the operational costs are around a hundredth of leased line solutions.

Mrs Ronit Kalujny, VideoFlow’s CEO, exclaimed, “After a successful launch of our DVP10 and DVP100 solutions, we continue to make significant strides forward both with our technology and with our expanding customer base. I am proud to say that, as of today, every evaluation system that we have provided has turned into a customer sale. Customers readily see for themselves in no time that our solutions maintain the quality of the original input stream across the internet – Quality In, Quality Out – no jitter, no packet loss. They also see that delays are less than the two seconds, which is what their customers are willing to tolerate for true live broadcasts.”

The equipment comes as a “Plug and Play” pair, which is a type of Protector that stores the packets until it is definite that they have been correctly received, and a Sentinel which observers the health of the video stream by watching for packet loss and requests packets to be resent from the Protector’s cache only if required. This is guaranteed by VideoFlow’s patents, which cover techniques to minimise the number of packets that have to be resent. This solution allows the bandwidth requirement to be reduced to keep operational costs down compared to the usual solution of using Forward Error Correction that needs additional bandwidth of up to 50% to allow lost data to be recovered, but this is not always a success. VideoFlow’s solution can work with internet connects as slow as 200Kb/s and yet can deliver the ideal quality.



Generally, finest live video channels need a “pair of leased lines”, this is to ensure that there is always a backup in case the first one is not up to scratch. Although this ensures a 24x7 service, it is extremely costly. Reports show that Service Level Agreements that guarantee bitrate and bandwidth as well as limiting packet loss are incredibly costly. VideoFlow customers quickly realize that they can further reduce costs by using the VideoFlow solution as their primary means of delivery, by using VideoFlow products for backup and the capital cost savings. This generally occurs after using the VideoFlow solution in parallel with their existing primary offering and coming to the realization that the VideoFlow solution offers comparable reliability and quality. VideoFlow solution allows customers to increase the profitability of the revenue streams from premium coverage of live events like sports, concerts and news along with adding new, inexpensive, revenue-generating coverage.

Live video broadcast, opposingly, are sent as a continuous bit stream, which the Internet was never designed to handle, causing artefacts by jitter, and packet loss. More than a couple of seconds of latency is intolerable by customers expecting to enjoy the excitement of live events like sport as they happen. Video delivery over the internet for Content Delivery Networks, such as Netflix or YouTube, works by sending files. VideoFlow is the solution for the next evolution for Content Delivery Networks (CDN) by supplying broadcasters a true Live Content Delivery Network (LCDN).

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