Patent ID: 6414720
Filing Date: 2002-07-02
Classification: H04H,H04N

Abstract:
A digital broadcasting system capable of causing one of physical channels selected by a broadcaster to be received as one of the channels available to users; the system comprising:means for storing, for each of programs of each of said channels available to said users, a program information record comprising PSI (program specific information); means for permitting the broadcaster to include, in said PSI, channel mapping information whose mapping designation is a program to be received instead of a program for which said program information record is intended or a channel through which said program to be received is transmitted; means, responsive to a determination that PSI data for said program to be received includes channel mapping information indicative of a third program or channel to be received, for changing said channel mapping information such that the mapping destination of said channel mapping information is said third program or channel; and means for inserting said program information records in broadcast transport streams on schedule.