Apparatus for estimating jitter in RTP encapsulated voice packets received over a data network
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United States of America Patent
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Jul 29, 2003
Grant Date -
N/A
app pub date -
Dec 17, 1999
filing date -
Dec 18, 1998
priority date (Note) -
Expired
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Abstract
A system is provided for estimating interarrival jitter in real time, using hardware elements. The apparatus is capable of processing orders of magnitude more packetized voice streams than prior art software implementations. According to a preferred embodiment of the invention, a plurality of registers and arithmetic units are used to process packet spacing values to generate an estimate of the packet interarrival jitter. The hardware elements are controlled by a state machine whose operation is initiated by the reception of a packet of voice data.
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