System and method for transporting MPEG2TS in RTP/UDP/IP

Electrical computers and digital processing systems: multicomput – Computer-to-computer protocol implementing – Computer-to-computer data streaming

Reexamination Certificate

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Details

C709S204000, C709S206000, C709S230000, C709S232000, C370S252000

Reexamination Certificate

active

07657645

ABSTRACT:
Systems and methods are provided for receiving and transmitting an MPEG2 transport stream (TS) in a real-time protocol (RTP)/user datagram protocol (UDP)/Internet protocol (IP) packet. The receiving method comprises: receiving an IP packet via an IP network, having a variable transmission delay; accessing a timestamp carried in a RTP packet; linking the timestamp with a program clock reference (PCR) MPEG2TS carried in the RTP packet payload; and, using the timestamp to eliminate variable transmission delay jitter, associated with the PCR MPEG2TS. In one aspect of the method, the timestamp has a resolution of greater than 500 nanoseconds (ns), so that the variable transmission delay jitter, associated with the PCR MPEG2TS can be reduced to a jitter of less than 500 ns.

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patent: 2004/0103149 (2004-05-01), Tanigawa et al.
patent: 2004/0190459 (2004-09-01), Ueda et al.
patent: 2005/0071876 (2005-03-01), van Beek

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