
GUIDE TO INSTALLATION AND OPERATION
XVP-3901-DPI |
29
Insertion:
Will always be in
Auto
mode which means that closed
captioning information is processed as follows:
•
3G/HD to 3G/HD Cross-conversion:
EIA-708-B closed captions are detected at the input and re-
inserted into the output 3G/HD signal conforming to the
selected output 3H/HD format. EIA-608-B closed captions as
per SMPTE 334M are not converted. Closed captions
insertion is disabled for 50Hz and
1080p23/1080p23sF/1080p25/1080p29 sources.
SD Input/Output Config section
This has no effect in the 3G/HD Output Path.
Blanking section
Insertion of the Vertical Blanking Interval content may be set to
OFF
or
Auto,
using the pull-down box. Insertion is disabled if no VBI data is present.
•
For HD outputs, VBI insertion may only be enabled when the detected input is HD.
•
Audio, closed-captioning, time-code, and AFD data is not handled by this parameter. The only exception is
time code during HD-to-HD operation, in which case the user must enable this parameter along with the time
code insertion pulldown menu, in order to properly process time code insertion.
•
HD to HD (same format): All incoming HANC packets within H blanking and VANC packets within VBI may be
bypassed to the output.
•
HD to HD (different format) cross-conversions also supported.
•
HD to HD blanking conversions are applied on luminance channel only. Packets in chrominance channel not
supported.
•
VBI insertion is disabled for 1080p23/1080p23sF/1080p25/1080p29 input HD formats
•
3G to 3G conversions: same as for HD to HD conversions
5.4.4.2 Meta / Namedropper sub-tab
Namedropper is a method of inserting control information for
down-stream graphics inserters. It is a VANC packet on line 11
in HD. The XVP-3901-DPI detects the presence of
Namedropper data in the program arriving at its input, and
flags it using the status icon in this panel, which turns green
when Namedropper data is detected.
5.4.4.3 Meta / Timecode sub-tab
All incoming ATC packets (including type LTC) of the HD/3G
input signal are bypassed to the HD output.
Make sure to
enable both timecode and VBI (in Meta tab) parameters.
The XVP-3901-DPI does not pass LTC type timecode
detected within input HD formats 1080p23 / 1080p23sF /
1080p25 / 1080p29. It is not necessary to enable VBI to pass
incoming VITC type time code for the aforementioned
formats.
Figure 5-16 3G/HD Output – Meta / Meta tab
Figure 5-17 3G/HD Output - Meta / Namedropper
Figure 5-18 3G/HD Output - Meta / Timecode
Содержание Grass Valley XVP-3901-DPI
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