Per-call quality of service monitor for multimedia communications system
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United States of America Patent
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Jun 6, 2006
Issued Date -
N/A
app pub date -
Mar 17, 2004
filing date -
Apr 18, 2000
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Abstract
A subjective quality monitoring system for packet based multimedia signal transmission systems which determines, during more than one interval of a single call, the level of one or more impairments and determines the effect of said one or more impairments on the estimated subjective quality of said multimedia signal. The quality monitoring system comprises a plurality of quality monitoring functions located at the multimedia to packet conversion points.
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