Patent ID: 6792000
Filing Date: 2004-09-14
Classification: H04H,H04N

Abstract:
A data processing apparatus for receiving and processing a stream having packets of a predetermined format comprising:packet extracting means at least for extracting a first packet only to be recorded, a second packet to be recorded and to be used for controlling, and a third packet to be used only for controlling from among component packets of said received stream; packet output means for supplying said first and second packets to a recording unit for recording the data; multiplexing means for multiplexing said second and third packets and a packet reproduced from said recording unit and for sending out the multiplexed packet; and converting means for converting the PID of any one of said second or third packet and the packet reproduced from said recording unit when the PID (Packet Identification) of said second or third packet is identical with that of the packet reproduced from said recording unit.