| 摘要 |
<P>PROBLEM TO BE SOLVED: To solve a problem that control is not performed to efficiently transmit contents while using a communication network or a broadcast form and to enable only a regularly contracted user to view contents in a broadcast form. <P>SOLUTION: In the media transmitting method, the media receiving method, the media transmitter and the media receiver, any one is performed among encryption 212 of attribute information of the contents showing a transmission channel for transmitting the contents to be broadcasted, a payload type, and the like at least, encryption 212 of information described with a structure among a plurality of media, permission 220 of a connection to a communication path for transmitting the attribute information of the contents, and permission 220 of a connection to a communication path for transmitting the contents. <P>COPYRIGHT: (C)2004,JPO |
