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Overview:
TCP-Friendly Rate Control (TFRC) is being adopted in Internet standards for congestion control of various streaming media applications. This paper considers the transmission of pre-recorded media from a server to a client by using TFRC, and analytically studies the impact of TFRC on user-perceived media quality, which is roughly measured by calculating the rebuffering probability. A rebuffering probability is defined to be the probability that the total duration of all rebuffering events experienced by a user is longer than a certain threshold. Two approaches are presented to help an application determine an appropriate initial buffering delay and media playback rate in order to achieve a certain rebuffering probability under a given network condition.
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| Format: | Size: | 311 KB | |
| Date: | May 2007 | ||
| Pages: | 12 |
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