What is IPTV ? What is the diffrence between CAS and Dish tv ? which one is better ?
Question:
thanks.
Answer:
1. IPTV
IPTV (Internet Protocol Television) is a system where a digital television service is delivered using the Internet Protocol over a network infrastructure, which may include delivery by a broadband connection. For residential users, IPTV is often provided in conjunction with Video on Demand and may be bundled with Internet services such as Web access and VoIP. The commercial bundling of IPTV, VoIP and Internet access is referred to as a Triple Play. Adding the mobile voice service leads to the Quadruple Play denomination. IPTV is typically supplied by a broadband operator using a closed network infrastructure. This closed network approach is in competition with the delivery of TV content over the public Internet. This type of delivery is widely called TV over Internet or Internet Television. In businesses, IPTV may be used to deliver television content over corporate LANs and business networks. Perhaps a simpler definition of IPTV would be television content that, instead of being delivered through traditional formats and cabling, is received by the viewer through the technologies used for computer networks.
2. CAS
CAS stands for conditional access system, which is a digital mode of transmitting TV channels trough a set-top box (STB). The transmission signals are encrypted and viewers need to buy a set-top box to receive and decrypt the signal. The STB is required to watch only pay channels, not free-to-air channels, like Doordarshan.
3. Dish
DTH stands for Direct-To-Home television. DTH is defined as the reception of satellite programmes with a personal dish in an individual home.
DTH services were first proposed in India in 1996. But they did not pass approval because there were concerns over national security and a cultural invasion. In 1997, the government even imposed a ban when the Rupert Murdoch-owned Indian Sky Broadcasting (ISkyB) was about to launch its DTH services in India.
Finally in 2000, DTH was allowed. The new policy requires all operators to set up earth stations in India within 12 months of getting a license.
DTH licenses in India will cost $2.14 million and will be valid for 10 years. The companies offering DTH service will have to have an Indian chief and foreign equity has been capped at 49 per cent. There is no limit on the number of companies that can apply for the DTH license
4 . Dish V/S CAS
DTH versus CAS
DTH does not compete with CAS. Cable TV and DTH are two methods of delivery of television content. CAS is integral to both the systems in delivering pay channels.
Cable TV is through cable networks and DTH is wireless, reaching direct to the consumer through a small dish and a set-top box. Although the government has ensured that free-to-air channels on cable are delivered to the consumer without a set-top box, DTH signals cannot be received without the set-top box.
Besides, the monthly subscription cost for DTH and CAS on cable will vary. While you can opt for a number of channels in CAS, under DTH you have a limited choice depending on the package you opt for. The quality of the broadcast will be of high quality with big players in the fray.
i hope u look at the some sites i mean browse to find it
tata sky is more better & economical
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