Dynamic adaptation voice audio jitter control method

Details Dynamic adaptation voice audio jitter control method Dynamic adaptation voice audio jitter control method

H - Electricity

04

L

H04L 29/02 (2006.01) H04L 12/56 (2006.01) H04L 12/64 (2006.01) H04M 7/00 (2006.01)

Patent

CA 2326211

A jitter control system is provided for determining display latency and simultaneously reducing audio gaps in received voice packets. Three methods are set forth for estimating the mean delay and delay variation for the voice packets from collected measurements . Based on these estimations, a Gaussian delay distribution is built for the packet arrival. Then, probabilities for single gap and multiple contiguous gaps for a given display delay are calculated and the packet is played out. Hence, the display delay can be dynamically adjusted according to recent delay characteristics and tradeoff policy between gap frequency and display latency.

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