20-06-2011, 12:44 PM
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Abstract
IPTV is a very useful system, through which you can receive both TV and video signals along with other multimedia services by means of your Internet connection. In a nutshell, it is nothing but a broadband connection and a system to deliver various programs of television using the Internet protocol (i.e., language) over computer networks.
It is important to remember that IPTV is not like any ordinary television program broadcast through the Internet, but rather it is unique in itself. Its contour is represented by a closed, proprietary TV system which is similar to the cable services present today. But, in contrast, the delivery of IPTV is made via IP-based secure channels, which result in a sharp increase in content distribution control.
The role of IPTV is to integrate numerous ways to scrutinize and trace choices of users. Its role is also to mark out the preferences and selections. The role of IPTV is to integrate numerous ways to scrutinize and trace choices of users. Its role is also to mark out the preferences and selections over a particular time period. It is therefore emerging as a perfect platform on which clients add personalized e-commerce options and a more targeted advertising. By now, IPTV has turned out to be a widespread denominator for systems where both television and video signals are circulated to subscribers or viewers.
IPTV uses an Internet Protocol over broadband connection and very often this service has been provided in parallel with the Internet connection of the subscriber, supplied by an operator dealing with broadband. This is done by using the same infrastructure but apparently over a dedicated bandwidth allocation. Hence, we can describe it as a system in which a digital television service is provided to subscribing consumers over a broadband connection using the Internet Protocol.
Introduction
Definition
The official definition approved by the International Telecommunication Union focus group on IPTV (ITU-T FG IPTV) is as follows:
"IPTV is defined as multimedia services such as television/video/audio/text/graphics/data delivered over IP based networks managed to provide the required level of quality of service and experience, security, interactivity and reliability."
IPTV services may be classified into three main groups:
• live television, with or without interactivity related to the current TV show;
• time-shifted programming: catch-up TV (replays a TV show that was broadcast hours or days ago), start-over TV (replays the current TV show from its beginning);
• video on demand (VOD): browse a catalog of videos, not related to TV programming.
Characteristics
Consumers always want more and high quality. Now days most of TV are analog with one way data transmission and limited channel. IPTV provides all digital, two ways connected, unlimited channels, integrated (DRV, HDTV, PIPs, VoD) and personalized TV. IPTV enhances the TV offer and delivers in a new way to provide better experience to watch TV in a Simple, Personalized and in an advanced way.
• Simple
EPG (Electronic Program Guide) that allows easy navigation, quick program information, PIP (Picture in Picture) and PPV (Pay Per view) capabilities.
• Personalized
IPTV enables you to personalize your view, profile and events. You can attach your TV with other devices such as Digital cam to view personal pictures or photos on your TV. You can also personalize your profile, parental controls, and television and account settings.
• Advanced
With the help of EPG your DVR or PVR can be schedule for recordings of your programs either once or on a recurring basis. Get live TV notifications such as Caller ID, SMS and e-mail notification while you watch TV. It also provides program search capabilities. To enhance the quality IPTV provides following advanced features:
Advanced Multimedia Program Guide
Integrated Broadcast, VOD and DVR
Fast scrolling & navigation
Live picture-in- picture
Channel slide show
Software-based tuning
Instant channel changing with richer navigation
Integrate Web based services
Cross device applications and services