A system and device is provided that enhances the interactivity of multimedia information across a communications network or in combination with other networks including telecommunication and cable broadcasting. The system includes an interactive multimedia mastering (IMM) system for receiving multimedia...http://www.google.com/patents/US5564001?utm_source=gb-gplus-sharePatent US5564001 - Method and system for interactively transmitting multimedia information over a network which requires a reduced bandwidth
