摘要 |
An apparatus for modifying part of a predetermined packet comprises means (31) for receiving a TS and determining whether or not each TS packet is a predetermined packet, means (32) for delaying the TS, means (33) for modifying part of the predetermined packet, and means (34) for receiving a delayed TS and a modified predetermined packet and selectively outputting the delayed TS packet and the modified predetermined packet. The third means (33) overwrites an ID described in a predetermined or a similar item (for example, Number) on a predetermined ID or a similar item (for example, Number). |