Pcr jitter – EXFO VDSL2 User Manual
Page 219
IPTV Analysis
Copper, VDSL2, ADSL2+ and IP Triple-Play Test Set
211
Reading Results
PCR Jitter
The PCR Jitter tab allows you to view the PASS/FAIL status of the Peak to
Peak PCR Jitter for the short-term variation in the arrival of the program
clock reference (PCR) information at the video decoder.
The available test results are the
following:
³
PCR Packets Rate is the number
of received packets monitored
over a one-second period.
³
Average Jitter is the continuous
running average of the jitter
detected, measured in ms.
³
Analyzed Stream is the multicast IP address assigned to the specific
video channel.
³
Standard Deviation is based on the continuous sample size.
³
Reset Statistics button clears all monitoring values.
The default monitoring interval is 8 minutes.