Operating the Equipment Locally: Audio Menu – Advanced Audio Coding (M2/EOM/ADVAUD)
Page 4-90
Reference Guide: Voyager E5784 and E5788 HD DSNG Encoder
ST.RE.E10137.3
Table 4.100: Coding Mode Options (AAC)
Coding Mode
Input
5.1 7.1
Channel
A A
Front
L+R
B
B
Subwoofer
C
C
Surround L + R
-
D
Rear L + R
PID
This option sets the PID to be used for the audio channel. In the event of a
PID clash, one of the PIDs will be changed by the Encoder’s internal
checking algorithm.
To be DVB compliant the audio PID should not be less than 32. However it
is possible to set the PID to less than 32, but in the event of a PID clash
the Encoder’s internal checking algorithm will not resolve the conflict.
PCR On Audio PID Option
This option controls whether PCR should be signalled on the audio PID.
This may be necessary if an audio only service is being generated. The
default setting is Off.
Delay
This option is only available if the Auto Lip Sync option is set to Off. It sets
the delay that should be applied to the audio.
Table 4.101: Audio Delay Options
Valid Input Range
Description
Min: 111
Max: 3540
Audio Delay in milliseconds.
Auto Lip Sync Option
This option controls whether the Encoder automatically adjusts the audio
delay to maintain lip sync with the video. If the Encoder is being controlled
via SNMP by a control system that has auto lip sync functionality, then this
should be set to off.
See the text underneath Table 4.16 on page 4-30 for use of this facility.
Use Minimum Delay
This sets the lowest possible audio delay.
If this option is set to ON, the Auto Lip Sync and Audio Delay options are
unavailable.
