Video and graphics distribution system for mobile users

A wireless based distribution system enabling the provision of graphics/text information interspersed with live video, together with continuous audio communication, from a central station to a plurality of mobile receiver devices capable of reproducing the same to a user, the system comprising:

• a graphics/text information transcoder for interpreting for the receiver devices graphics/text information generated externally of the system;
• a live video and audio stream source including encoding means;
• and
• a distribution sub-system comprising an interleave controller coupled to said encoder and to said transcoder, and control means coupled to said interleave controller and to said transcoder for outputting to a wireless network signals representative of the required graphics/text, live video and audio content;
• and each said mobile receiver device comprising:
• control means receiving signals from said wireless network and communicating via said wireless network with said distribution system;
• audio and video decoder means;
• and
• graphics/text display handling means;
• said control means of the receiver device co-operating via said wireless network with said control means of the distribution system to select for display either the live video or the graphics/text information.