DATA TRANSMISSION METHOD BY NETWORK DISTRIBUTION, RECEPTION METHOD OF NETWORK DISTRIBUTION, DATA TRANSMISSION SYSTEM BY NETWORK DISTRIBUTION AND RECEPTION SYSTEM FOR NETWORK DISTRIBUTION

摘要

PROBLEM TO BE SOLVED: To provide a data transmission method and reception method by network distribution that can select contents. SOLUTION: A data transmission system Svs1 multiplexes a particular information packet Pkf1 of a contents source in use, a plurality of packet streams Pks1 to PksN or the like to which identification information is attached, and cross-reference information packet Pkr1 cross-referencing the contents source and the identification information and distributes one televising stream oast1 in which the packets are mixed-loaded via a network NW. A reception system Vw1 freely selects, extracts for viewing desired contents among a plurality of the contents on the basis of the received particular information packet Pkf1 and the cross-reference information packet Pkr1 or switches the contents for viewing.