Specification :

IPTV(Interactive Personal TV)
Shanghai Clearcrane Digital Technology Company applying the advanced steaming media technology develops a vivid streaming media interactive TV system with powerful functions, based on our rich R&D experiences. The display terminal consists of set-top box and TV set. Data is transmitted through computer network, thus, IPTV possesses the functional agility and diversity that CATV doesn’t have.

For users, IPTV has three functional systems:
*Program Live system (contain time-shift function);
*Program VOD system;
*User trait system.

Clearcrane interactive TV system has the time-shift function of Live TV broadcast. In short, when users are watching a TV program, they can pause the program by the remote, then continue to watch it from the pause moment after some time. Also, users can search and watch some program which has been broadcast already, by the fallback function on the remote.

The composition of the whole system
Hardware: including live/time-shift streaming media servers, file servers, video on demand servers and multimedia devices (IP set-top boxes). Streaming media server is responsible for the TV video signals in the collection, coding, compression, real-time to release; File server is responsible for file transfer, database and agreement; Video-on-demand server is used to store and manage VOD program source. Multimedia terminal is responsible for the real-time reception, decoding and playback output to the TV display terminal. As the browser is embedded in multimedia terminal, so you can use the terminal to surf the internet, send and receive e-mails and other Internet-based applications directly.

Software: live streaming media management system, interactive multimedia information system. They are web-based management software, system admin can control the whole IPTV system through the web platform.