Operating the Equipment Locally: Audio Menu – Dolby Digital (AC-3)
Reference Guide: Voyager E5784 and E5788 HD DSNG Encoder
Page 4-71
ST.RE.E10137.3
Lip Sync Adjustment
NOTE…
This option is only available when the Audio Alignment option is enabled.
Using the Lip Sync Adjustment option, audio can be advanced by 1 or 2
frames to compensate for the audio encoder delay and 1 frame as the
decoder expects the audio a frame before the video. Table 4.63 shows the
option.
Table 4.63: Lip Sync Adjustment Options
Selected Option
Description
-1 frame
0
+1 frame
+2 frames
When Audio Alignment is enabled, the audio
delay can be nudged as indicated. The
default is 0.
Input Level L Option
This indicates the input level of the left audio channel. It is for status only
and cannot be changed.
Input Level R Option
This indicates the input level of the right audio channel. It is for status only
and cannot be changed.
Audio Bit-rate Option
This option sets the audio bit-rate of this audio channel.
Table 4.64: Audio Bit-rate Options (Dolby Digital (AC-3))
Available
Settings
Dolby Digital
1/0(C)
2/0(L,R)
32 kbit/s
8
8
48 kbit/s
8
8
56 kbit/s
9
8
64 kbit/s
9
8
80 kbit/s
9
8
96 kbit/s
9
9
112 kbit/s
9
9
128 kbit/s
9
9
160 kbit/s
9
9
192 kbit/s
9
9
224 kbit/s
9
9
256 kbit/s
9
9
320 kbit/s
9
9
