Playout delay calculations based on truncated Gaussians for internet telephony

Authors:
Muhammad Sarwar Ehsan;Gernot Kubin
Affiliations:
Department of Electrical Engineering, The University of Lahore, Lahore, Pakistan;SPSC, Graz University of Technology, Graz, Austria
Venue:
ICICS'09 Proceedings of the 7th international conference on Information, communications and signal processing
Year:
2009

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Abstract

Delay jitter in packet-switched networks has to be compensated by a playout buffer. The playout buffer algorithm plays an important role in real-time applications such as VoIP, in this, paper we introduce a method based on truncated Gaussians to calculate the playout delay for VoIP application. Our method out-performs the existing methods both in term of residual delay and packet loss. This method is also less expensive in terms of computation.