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Chapter 6: Receiver Configuration Modules
De-Jitter Delay
6.3.2.5.
The De-jitter Delay menu is used for setting the decoder's De-Jitter delay in milliseconds.
The aim of the De-Jittering mechanism is to eliminate the inherent jitter introduced by a
typical IP network. This mechanism practically acquires the source exact frequency and
follows it. The ProView 2900 supports de-jittering of CBR (Constant Bit Rate) streams.
The de-jitter delay configurability enables only optimizing unit-performance according to
specific needs. The longer the delay, the longer the jitter that can be eliminated (traded off by
longer latency).
0100 [mSec]
0100 [mSec]
0100 [mSec]
0100 [mSec]
< < < < 1 1 1 1 00
00 - - - - 2 2 2 2 000>
00
00
De-jitter delay values range from 100 to 2000 milliseconds.
FEC
6.3.2.6.
The ProView 2900 IP Front End FEC Implementation complies with ProMPEG CoP3v2, with
the following limitations:
Columns support only
Maximum TS bit-rate: 25 Mbps
This menu enables OR disables FEC operation.
1 1 1 1
2 2 2 2
The available options are:
ENABLE – enables FEC operation; regenerates missing IP packets using FEC packets
•
received from the configured UDP port.
DISABLE - disables FEC operation; ignores FEC packets and does not regenerate
•
missing IP packets.
© Harmonic Inc. Manual p/n 101543/Ver 1.0
De- - - - Jitter Delay
De
De
De
Jitter Delay
Jitter Delay
Jitter Delay
000>
000>
000>
FEC
FEC
FEC
FEC
ENABLE
ENABLE
ENABLE
ENABLE
DISABLE
DISABLE
DISABLE
DISABLE
6-35
ProView 2900 Series/SW Version 1.94
IP Receiver Configuration
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