A Garch-based adaptive playout delay algorithm for VoIP

This source preferred by Damien Fay

Authors: Fay, D., Zhang, Y., Kilmartin, L. and Moore, A.W.

Journal: Computer Networks

Volume: 54

Issue: 17

Pages: 3108-3122

Network delay, packet loss and network delay variability (jitter) are important factors that impact on perceived voice quality in VoIP networks. An adaptive playout buffer is used in a VoIP terminal to overcome jitter. Such a buffer-control must operate a trade-off between the buffer-induced delay and any additional packet loss rate. In this paper, a Garch-based adaptive playout algorithm is proposed which is capable of operating in both inter-talkspurt and intra-talkspurt modes. The proposed new model is based on a Garch model approach ...

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