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A Broadcasting Scheme Considering Units to Play Continuous Media Data

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3 Author(s)
Yoshihisa, T. ; Kyoto Univ., Kyoto ; Tsukamoto, M. ; Nishio, S.

Due to the recent proliferation of digital broadcasting systems, various schemes for broadcasting continuous media data such as music or movies have been studied. In general broadcasting systems, since clients have to wait until their desired data are broadcast, these schemes reduce the waiting time by dividing the data into several segments of equal size. However, continuous media data often have units for playing portions of the data. For example, data encoded by MPEG2 can be played every GOP (group of pictures). In this paper, we propose a scheme to reduce the waiting time considering the units. Our proposed scheme divides a continuous media data at every unit. By scheduling divided data so that clients finish receiving a unit before starting to play the unit, waiting time is effectively reduced.

Published in:

Broadcasting, IEEE Transactions on  (Volume:53 ,  Issue: 3 )