5.5.3.1.5 VBI and ANC Stream Configuration
This section describes the parameters available for setting up VBI and ANC
streams.
VBI and Ancillary Data
This section gives the parameters that have an effect on what ancillary data is
extracted and how the data is transmitted.
The following parameters are available on the VBI tab of the Properties widget on the
Service Configuration page when an ANC stream is selected in the Outputs widget. The
same parameters can be accessed through the Advanced/EI9001/Video/Video 1/Input/VBI
Extraction menu on the front panel.
Table 5.31 VBI and Ancillary Data Parameters
Parameter Values Description
Description Control
VBI Descriptor Mode Standard, Legacy, Philips, User
The source for Closed Captions data encoded as part of
the Video Stream (only applicable when Video Frame
Rate is 29.97 Hz)
VBI Data Descriptor
Insertion
Off, On
Controls if the VBI Data Descriptor is inserted into the
PMT. Available only if VBI Descriptor Mode is set to User.
VBI Teletext Descriptor
Insertion
Off, On
Controls if the VBI Teletext Descriptor is inserted into the
PMT. Available only if VBI Descriptor Mode is set to User.
Teletext Descriptor Insertion Off, On
Controls if the Teletext Descriptor is inserted into the
PMT. Available only if VBI Descriptor Mode is set to User.
Proprietary Descriptor
Insertion
Off, On
Controls if the Legacy Proprietary Descriptor is inserted
into the PMT. Available only if VBI Descriptor Mode is set
to User.
Closed Captions
Closed Captions Source Off, VBI lines, SMPTE334
The source for Closed Captions data encoded as part of
the Video Stream. Only applicable when frame rate is
29.97 Hz.
Timecode
TC Mode
Off, External, Zero on Loss, External,
Freewheel on Loss, Internal
Controls what mode the Time code (TC) is working in,
either Off, external source or internally generated. Also
sets what happens on loss of external source (zero or
freewheel).
TC External Source
Auto, ANC VITC1, ANC VITC2, ANC LTC,
VBI VITC
Controls the external source of Time Code. Auto will
select the first source present in order of the drop down
list.
TC Dropframes Off, On, Auto
Only in 525 line operation controls if Time Code takes
account of drop frames or not. Auto configures to external
source, or to ON for internal source.
Broadcaster ID
Reception Timeout
Timeout in seconds for reception of Source ID from input
(RP207).
Insertion Timeout Timeout in seconds for insertion of default source ID.
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