System and method for diagnostic modeling of audio and video quality of service
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United States of America Patent
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Dec 8, 2015
Grant Date -
Apr 4, 2013
app pub date -
Sep 26, 2012
filing date -
Sep 30, 2011
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Abstract
Systems and methods are described for determining a set of three quality metrics for audio and/or video signals transmitted through a packet network. The set of three metrics provide more insight into which factors are affecting the quality of the received signal as perceived by the end-user. These three quality metrics measure reductions in quality due to lossy media transmission, packet loss concealment from packet loss and/or packet/frame jitter, and long periods of silence and/or frozen video. Because each metric quantifies a different aspect of transmitted quality, a deficiency in the transmitted signal can be identified by reference to the set.
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