Thursday, September 22, 2011

IPTV

IPTV is an interactive television network, is a use of broadband cable networks, set the Internet, multimedia, communications and other technologies in one; to home users, including a variety of interactive digital television services, including new technology. Users at home can enjoy IPTV services in two ways: (1) Computer, (2) Network + regular TV set-top boxes. It is able to adapt to the rapid development trend in today's network, full and effective use of network resources. IPTV is different from traditional analog cable TV, digital TV is also different from the classic. Because the traditional and classic digital television system has frequency division, time, one-way radio, etc.; Although the classic digital TV over analog TV has many technical innovations; but only signals in the form of change; and did not touch the media content mode of transmission. Service Type Users at home can enjoy IPTV services in two ways: (1) Computer, (2) Network + regular TV set-top box). It is able to adapt to the rapid development trend in today's network, full and effective use of network resources. IPTV is different from traditional analog cable TV, digital TV is also different from the classic. Because the traditional and classic digital television system has frequency division, time, one-way radio, etc.; Although the classic digital TV over analog TV has many technical innovations, but only the signal in the form of change, but did not touch the media content mode of transmission. IPTV key technologies IPTV IPTV is the use of a computer or set-top boxes to receive video on demand + TV complete programming, video broadcasting and Internet surfing functions. It uses highly efficient video compression technology that enables video streaming bandwidth 800Kb / s can be close to DVD, television ratings (typically DVD video streaming bandwidth requirements 3Mb / s), to carry out future video services such as live video on the Internet , long-distance real video on demand, production and other sources in terms of programming, has a strong advantage, is a new technology concept. The problems of traditional television: the traditional one-way broadcast television is that it greatly limits the television viewers and the interaction between service providers, but also limits the program's personalized and in-time. If an audience for all the channels being broadcast contents are not interested, he (she) will have no choice. This is not only the TV audience would be a loss of time, the cable provider is also a waste of resources. In addition, the current implementation of the specific content of programs broadcast in a specific period of time is inconvenient for many of the audience. One night's audience might want to watch the news sometime in the early morning, and one ready to take a train home before the passenger wants to watch a football game scheduled for the evening broadcast video. Now it seems impossible to IPTV.

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