Patent ID: 8272005
Filing Date: 2012-09-18
Classification: H04N

Abstract:
1. An information monitoring method for a transport stream, the method comprising: receiving a transport stream comprising at least one program specific information (PSI) table, wherein information of the PSI table is separated into a plurality of sections, each one of the sections comprises at least a section header and each section header comprises a plurality of information elements, wherein one of the information elements is a version number; setting a filtering parameter of a monitor-section filter configured for filtering out a section header of each one of the sections of the PSI table, wherein the filtering parameter is one of the information elements in the section header of each one of the sections, and the monitor-section filter just filters the section header of each one of the sections of the PSI table; and performing information monitoring by just using the section headers of all sections of the PSI table, wherein the information monitoring comprises comparing a version number in the section header of each one of the sections and a version number previously stored in a memory.