Patent ID: 8514329

Claim:
A method for estimating jitter in an MPEG receiver, the method comprising: receiving an MPEG transport stream comprising a plurality of packets, wherein at least one of the plurality of packets comprises a program clock reference (PCR) value; and for each PCR value received: calculating a current packet delay by subtracting a system time clock (STC) value of the MPEG receiver from the PCR value; if the current packet delay is greater than an upper boundary value, updating an upper boundary impact density or if the current packet delay is less than a lower boundary value, updating a lower boundary impact density comparing the upper boundary impact density and the lower boundary impact density; if the upper boundary impact density is greater than the lower boundary impact density, and if the current packet delay is greater than the upper boundary value, incrementing the upper boundary value and the lower boundary value by a window shift value; if the upper boundary impact density is greater than the lower boundary impact density, and if the current packet delay is less than the lower boundary value, setting the lower boundary value to the current packet delay; if the lower boundary impact density is greater than the upper boundary impact density, and if the current packet delay is greater than the upper boundary value, setting the upper boundary value to the current packet delay; if the lower boundary impact density is greater than the upper boundary impact density, and if the current packet delay is less than the lower boundary value, decrementing the upper boundary value and the lower boundary value by the window shift value; and calculating a current jitter value using a difference between the upper boundary value and the lower boundary value.