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An Adaptive Buffer Control using Moving Average Smoothing Technique for Haptic Media Synchronization

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3 Author(s)
Wongwirat, O. ; Graduate Sch. of Eng., Tokai Univ., Kanagawa ; Ohara, S. ; Chotikakamthorn, N.

This paper proposes an adaptive buffering control method for haptic media synchronization in networked virtual environments based telehaptics. The adaptive mechanism employs a moving average smoothing technique to calculate an average delay for buffering adjustment under a specified threshold. The mechanism of haptic media synchronization using a fixed buffering approach from our previous work is carried out in the paper. Then, the proposed adaptive buffering control scheme is described, including the methods to select the number of spans and the specified threshold. Performance of the synchronization is verified by measuring a loss rate of haptic sequences at the remote process of both buffering approaches for comparison. The performance results express that, in the local and regional link networks with moderate and high traffic conditions, the adaptive buffer can preserve the loss better than the fixed buffer

Published in:

Systems, Man and Cybernetics, 2005 IEEE International Conference on  (Volume:2 )

Date of Conference:

12-12 Oct. 2005