A central broadcast station implements processing at a SDTI decoder unit 385, a MPEG decoder unit 387, a first editing system 389, and a MPEG encoder unit 373, etc. under control of a network computer 371 to SDTI bit stream obtained through a satellite 3811 from field site (not shown) to convert it into...http://www.google.co.uk/patents/US6798756?utm_source=gb-gplus-sharePatent US6798756 - Data transmission system and method, and data receiving method and device
