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What are the features and advantages of the latest Internet Protocol TV


The cable industry’s expenditures of approximately $1 billion per year are based on network updates to accommodate higher data speeds. Most operators use 2–3 channels to support maximum data speeds of 50 Mbit/s to 100 Mbit/s. However, because video streams require a high bit rate for much longer periods of time, the expenditures to support high amounts of video traffic will be much greater. This phenomenon is called persistency. Data persistency is routinely 5% while video persistency can easily reach 50%.

As video traffic continues to grow, this means that significantly more CMTS downstream channels will be required to carry this video content. Based on today’s market, it is likely that industry expenditures for CMTS expansion could exceed $2 billion a year, virtually all of that expenditure being driven by video traffic. Adoption of IPTV for carrying the majority of this traffic could save the industry approximately 75% of this capital expenditure.

Interactivity

An IP-based platform also allows significant opportunities to make the TV viewing experience more interactive and personalised. The supplier may, for example, include an interactive programme guide that allows viewers to search for content by title or actor’s name, or a picture-in-picture functionality that allows them to “channel surf” without leaving the programme they’re watching. You can learn more about this iptv box by reading this article. Viewers may be able to look up a player’s stats while watching a sports game, or control the camera angle. They also may be able to access photos or music from their PC on their television, use a wireless phone to schedule a recording of their favourite show, or even adjust parental controls so their child can watch a documentary for a school report, while they’re away from home.

In order that there can take place an interaction between the receiver and the transmitter, a feedback channel is needed. Due to this, terrestrial, satellite, and cable networks for television do not allow interactivity. However, interactivity with those networks can be possible by combining TV networks with data networks such as the Internet or a mobile communication network.

Video-on-demand

IPTV technology is bringing video on demand (VoD) to television,[58] which permits a customer to browse an online programme or film catalogue, to watch trailers and to then select a selected recording. The playout of the selected item starts nearly instantaneously on the customer’s TV or PC.

Technically, when the customer selects the movie, a point-to-point unicast connection is set up between the customer’s decoder (set-top box or PC) and the delivering streaming server. The signalling for the trick play functionality (pause, slow-motion, wind/rewind etc.) is assured by RTSP (Real Time Streaming Protocol).

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