A system and method for collaborative multimedia production by users at different geographic locations. The users produce sequencer data at a plurality of sequencer stations connected via a network. The sequencer stations encapsulate sequencer data units into broadcast data units and upload and download...http://www.google.com.hk/patents/US6598074?utm_source=gb-gplus-share專利 US6598074 - System and method for enabling multimedia production collaboration over a network
