IPTV Is defined as multimedia services such as television/video/ audio text /graphics/ data delivered over IPbased networks Managed to provide the required level of quality of service andexperience, security, reliability and interactivity. IPTV refers to The use of the IP as a delivery Mechanism that can use the Internet, which represents a public IP-based Network or IPTV can Be used to deliver video content over a private IP based network.Because IPTV requires the use of the IP only as a delivery Mechanism, IP can be used to deliver various types of content over both the Internet and private IP-based networks. Examples of IPTV content can range in Scope from music videos to television shows, full feature movies; rock Concerts and a Variety of special events, such as boxing matches, football matches or even Broadway musicals.
Some of those activities could include downloading a movie or music video via the Internet for viewing now or at a later date or subscribing to a television service that will be delivered to a homeowner via the installation of a private network that will Provide the delivery of television content through the use of the IP.
IPTV is best compared and financially equivalent to cable television and Satellite TV Concerning cable television services, Although most cable operators offer a basic package of analog stations without requiring the homeowner to rent a set-top box, Such boxes are necessary to subscribe to digital and premium services. If a homeowner subscribes to Satellite television, Because all offerings are in digital format, a set-top box or decoder is required for each television.
IPTV supports all business, billing, provisioning, and content protection requirements that are associated with commercial Video distribution. IP-based service needs to be comparable to that received over cable TV or direct broadcast satellite. In Addition to TV sets, the content may also be delivered to a personal computer.MPEG-4, which operates at 2.5 Mbps for SD Video and 8–11 Mbps for HD video. IP multicast is typically employed to support IPTV.
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