Patent ID: 6456782
Filing Date: 2002-09-24
Classification: H04N

Abstract:
A data processing apparatus for adding redundant data to supplied data every predetermined unit and packetizing them, and for outputting said data packetized in said predetermined unit as a sequence of packets, comprising:data eliminating means for eliminating said redundant data from each of said packets; time information adding means for adding a time stamp to each of said packets from which said redundant data is eliminated; packet sequence forming means for forming said sequence of packets based on said packets sequentially supplied and then, for correcting, based on said time stamp previously added to each of said packets, a program clock reference previously added to said corresponding packet; time information eliminating means for eliminating said tme stamp from each of said packets having said program clock reference corrected; and data adding means for adding said redundant data to each of said packets from which said time stamp is eliminated.