Current measurements
Joined multicasts
:
Click the information icon to access the
Detailed Monitoring
pop-up view.
Thumb:
A thumbnail is displayed for each stream. Click the small
thumbnail to view a larger image that is updated more frequently.
Name:
The stream name specified by the user in the
Edit Multicast
view
Signal:
Time since last signal loss
Page:
The page associated with the multicast
Mapping:
The number of MPEG-2 packets mapped into each RTP or UDP
packet
Net bitrate:
Instantaneous MPEG-2 Transport Stream bitrate excluding null
packets (PID 8191). The instantaneous bitrate is measured over a
time period of 1000 ms.
CC errs:
The number of times a discontinuity has been detected for all the
MPEG-2 Transport Stream continuity counters. This value is the
total number of discontinuities detected for all PIDs present.
Note that this value does NOT represent the number of MPEG-2 TS
packets lost because any continuity counter mismatch detected
for an IP-frame will increase CC errs by one.
CC errors are serious as they will in practice usually result in visual
video artefacts ('blocking') if occurring on the video PIDs. CC errors
can be due to an erroneous input signal to the streaming head-end
(e.g. from satellite rain fading or changes in the uplink).
Alternatively, CC errors can arise from IP packets being dropped in
the network.
PIDs:
Number of PIDs in the MPEG2-TS
PROBE USERS' MANUAL VERSION 5.0
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www.bridgetech.tv
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