Method and device for determining a jitter buffer level
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United States of America Patent
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May 26, 2015
Grant Date -
Jun 5, 2014
app pub date -
Feb 7, 2014
filing date -
Sep 23, 2009
priority date (Note) -
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Abstract
A buffer level for jitter data buffer is determined. A frame payload size difference is determined for a plurality of video frames encoded into data packets sequentially received from a network. The difference is a difference in a payload size of a current frame and a previous frame. A frame network transit delay is determined as a difference in a transport time between the current frame and the previous frame and an expected transport time between the current frame and the previous frame. A slope and a variance of a linear relationship between the frame payload size difference and the frame network transit delay are determined for the plurality of video frames. Finally, a buffer level of a jitter data buffer is determined using a maximum frame payload size, an average frame payload size, the slope and the variance.
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