Position:IPTV: IPTV (InternetProtocolTV or InteractivePersonalTV) also call the end end body of seesaw pattern window network TV, it is a kind of multimedia communication technology that is based on Internet. IPTV uses the infrastructure of broadband net, serve as main terminal unit with family expenses television or computer, carry internet network agreement (signal of IP) deferent TV, user of homeward front courtyard offers those who include a TV program inside digital media serves a variety of seesaw pattern.
The TV signal data that the working principle of IPTV is a source end undertakes coding handling, change into the data form that suits IP network to transmit, convey through IP network next, decipher undertakes in sink finally, repass computer or it is TV is broadcasted. Because the transmission speed demand of data is higher, want to use newest efficient video to compress a technology so, for example H.264, MPEG4.
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