Upon reception of a transport stream of information data from an encoder, an RTP transmission process unit employed in an RTP process circuit is activated to packetize the transport stream in an RTP packet. A network device then outputs the resulting RTP packet to a network. At that time, sender information...http://www.google.com/patents/US7447164?utm_source=gb-gplus-sharePatent US7447164 - Communication apparatus, transmission apparatus and reception apparatus
