System and method for providing multimedia jitter buffer...

Details System and method for providing multimedia jitter buffer... System and method for providing multimedia jitter buffer...

2006-04-11

2006-04-11

Pham, Chi (Department: 2667)

Multiplex communications

Pathfinding or routing

Switching a message which includes an address header

C370S516000, C370S519000

Reexamination Certificate

active

07027456

ABSTRACT:
A system and method is disclosed for providing dynamic multimedia jitter buffer adjustment for packet-switched networks. The system temporarily stores an amount of incoming data, which is dynamically adjustable, for an amount of time before sending the data out in a more even stream. The system includes a decoder clock, a jitter buffer, a network jitter statistics collector, and a jitter buffer controller. The decoder clock indicates the arrival-time of the data at the system, while the network jitter statistics collector collects the playback-time of that data. By comparing the arrival-time and the playback-time, the jitter buffer controller determines whether the data arrived on schedule. Accordingly, the depth of the jitter buffer can be adjusted to accommodate the late or early arriving data.

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Boger, Yuval, “Fine-tuning Voice Over Packet Services,” available by RADCOM Academy at web site, http://www.protocols.com/papers/voip2.htm, Aug. 2000.
Rowe, Martin, “Measure VoIP Networks for Jitter and Loss,”Test and Measurement World,Dec. 1999 (also available at http://www.tmworkd.com/articles/12—1999—VoIP.htm, Aug. 2000).

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