Patent ID: 7447231
Filing Date: 2008-11-04
Classification: H04J,H04N

Abstract:
1. A method for a converting a Digital Service Level Three (DS3) transport stream to a plurality of Moving Pictures Expert Group (MPEG) packets over Asynchronous Serial Interface (ASI) transport stream comprising: extracting each of a plurality of MPEG-2 packets from the DS3 transport stream; extracting each program clock reference (PCR) value in the plurality of MPEG-2 packets; calculating a new PCR value for each of the extracted PCR values to compensate for a packet time shift; replacing each extracted PCR value with the new PCR value prior to outputting each of the plurality of MPEG-2 packets; and outputting each of the plurality of MPEG-2 packets upon arrival in the DS3 transport stream without storing said each of the plurality of MPEG-2 packets in a buffer but storing the extracted PCR value in the buffer.