[photo] Jian  in Tv Of: State Administration of Radio Monitoring
Center Jian-Gang Wang  IPTV is an interactive network TV, is a
use of broadband cable networks to home users, including a
variety of interactive digital television services, including
new technology. In recent years, use of broadband networks,
broadband cable television, wireless video transmission of new
media value-added services, like there is network TV, mobile TV,
TV phone, etc., they set the Internet, multimedia,
communications and other technologies in one, its transmission,
the terminal vary, but the similarities are VideoOver IP.  An IP
TV features IP TV with clear images and the realization of the
media and the consumer interaction. IP TV uses the highly
efficient video compression technology, 786Kb / s video
transmission bandwidth can close its television ratings DVD
standard. Select the user, IP TV can use different compression
ratio, producing content for different bandwidth. It can use
broadcast (live) form can also be used on-dema