In the future digital home cable network status and role – Digital, home applian
HC intelligent home network Cable TV has access to millions of households, to become an integral part of the public life of leisure entertainment. Cable network is the foundation bearing cable business network, with cable television technology, cable TV network is also under way to constant technological transformation and upgrading. The future of the family of cable networks will provide more and newer digital experience. Shaanxi Broadcast & TV Network Co., Ltd. Hou Jie, the media discussed the future of cable television and cable networks family status and role.
1, what the cable television network, what is the digital home
(1) understanding of cable television Cable TV network, layman's terms is the transmission cable TV information network. General sense, refers to the cable television network HFC (HybridFiberCoaxial) hybrid fiber coaxial cable network. Using fiber-to-service areas, access to the user in the "last 1 km" "using coaxial cable access network. With a high-bandwidth, high reliability, high transmission quality, it is now relatively low cost of a network .
To really understand even from a cable television network cable television and telecommunications networks, said the difference. Households with cable television network is coaxial cable bandwidth with obvious advantages. Cable television and telecommunications networks are used widely in the trunk cable, the most substantial difference between the households of the "last mile." The bandwidth of coaxial cable cable TV households with 550MHz system, 750MHz system, 860MHz system and 1000MHz system, while households in twisted pair telecommunications bandwidth is 5000Hz, the frequency bandwidth of a difference of hundreds of times. At the same time in the information network, the proportion of trunk, length is not high, the total length of more than 80% of all access network. Telecom twisted pair as the "last mile" bottleneck, while the cable born in the "last mile" more advantages.
(2) understanding the digital home So far, no organization can truly digital home next to a very precise definition, can only be achieved with the functions of the digital home for everyone to be explained. The so-called "digital home" refers to computer technology and network technology, a variety of home with digital devices, intelligent combination of the network family. The number of buildings of household equipment, including phones, computers, information appliances. Digital home, including four major functions: information, communication, entertainment and living. From the information point of view, computers or devices with related functions as a server (home gateway), the home digital devices connected into a network for information sharing. It includes at least: Digital Life, and two major aspects of digital entertainment. "Digital home" has all kinds of devices recognize each other, sharing resources, scheduling and controlling each other, with a high degree of digitalization and networking of features. Between television and computer, mobile phone and MP3 connectivity between each other, with TV Internet access, phone, chat, send and receive mail, use the computer to watch TV, play games with mobile phones, with MP3 control all home appliances, will be possible to achieve. All this time on the form of digital appliances, "the digital home." In fact, the digital home is the development of information industry, a branch of the consumer, it focuses on technology, emphasis on information and control. From the users point of view, the digital home should be a digital life, product, consumer and digital entertainment.
2, cable networks are carrying the "digital home" of the Highway
Much has been said above, cable TV network and the "digital home", then "digital home" and what kind of cable the link? This development came from the cable network were described.
(1) Two-way cable TV network
Today's information industry, three are integrated into the main development trend of triple play of cable TV network is also developing trend. According to foreign cable television network, development and the domestic cable operators in recent years, the construction and development situation, the two-way cable TV network has become an inevitable trend of.
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