Patent ID: 6757292
Filing Date: 2004-06-29
Classification: G06F,H04J,H04L

Abstract:
A method for dynamically sizing a jitter absorption buffer to react to network conditions the jitter absorption buffer having a jitter absorption buffer size, and a jitter absorption buffer depth, the method comprising:A. receiving packets from a constant bit rate source; B. detecting a period of packet delay variation above a first threshold level; before C. hitlessly increasing the jitter absorption buffer size from a first size to a second size; before D. detecting a period of packet delay variation below the first threshold level; and then E. waiting until the jitter absorption buffer depth is appropriate for use with a jitter absorption buffer having a jitter absorption buffer size of the first size while continuing to receive packets from the constant bit rate source before hitlessly decreasing the jitter absorption buffer size from the second size to the first size whereby the size of the jitter absorption buffer is increased to compensate for network conditions leading to elevated levels of packet delay variation and decreased in order to limit any incremental packet delay attributed to jitter absorption buffer depth.