System and method for reducing jitter in a packet-based transmis

Details System and method for reducing jitter in a packet-based transmis System and method for reducing jitter in a packet-based transmis

1994-09-27

1997-07-29

Metjahic, Safet

Television

Flutter or jitter correction

348 7, 348 13, H04N 710

Patent

active

056526270

ABSTRACT:
A system and method for use in a video transmission network that regulates the timing of both the video signal and the audio signal regardless of the transport mechanism used to deliver the digitized audio and video signals from the source to a set top box, comprising replacing a program clock reference when it is present in ones of the audio and video transport packets with a new time derived from a high reliability source. A constant value is then derived from the new PCR value to be added to a program time stamp and a decode time stamp, if present, and the buffer size is increased merely by the amount of the constant times the bit rate of delivery of the packets.

REFERENCES:
patent: 4887279 (1989-12-01), Odenheimer

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