
Web GUI Control
EN/LZT 790 0023/1 R16A
5-91
Table 5.65 Teletext Parameters
Parameter
Values
Description
Teletext Source
Off, OP-47 (Max 300 kb/s), VANC Teletext
Controls whether Teletext is extracted from VANC or not
and if it extracted, which encapsulation method (OP-47 or
SMPTE 2031) to use.
Teletext Packetisation
Normal (ETS 300-472) - Data on Teletext
Component, Legacy (ETS 301-775) - Data on
VBI Component
Controls how the Teletext data is packetized in to a
component data stream.
SMPTE2031 Max. No.
Teletext
3, 7, 11, 15, 36
Defines the maximum number of Teletext lines inserted.
Available only if VANC Teletext is selected for Teletext
Source.
SMPTE2031 Teletext
Present
Yes, No
Displays whether Teletext is found in the SDI stream.
Available only if VANC Teletext is selected for Teletext
Source. Read only parameter.
Min # Teletext Packets
0 to 3
Defines the minimum number of Teletext packets
generated per field, even if there is no Teletext data.
PTS On Teletext
Off, On
Controls whether a PTS value is included in the output
Teletext packets.
Teletext Descriptor Page List / Teletext Descriptor Page
Teletext Page Type
Off, Initial Page, Subtitle Page, Additional
Information Page, Programme Schedule Page,
Heading Impaired Subtitle Page
The page type of the Teletext descriptor.
Teletext Page Number
The page number for the page to be set.
Teletext Page
Language
List of languages
The language set for the Teletext descriptor.
Teletext Component
This section describes the parameters associated with the component carrying
Teletext data.
The following parameters are available on the
Component
tab of the
Properties
widget on the
Service Configuration
page when a Teletext stream is selected in
the
Outputs
widget. The same parameters can be accessed through the
Output/<output name>/Transport Stream ID: <n>/Service List/<service
name>/Component List/<component name>
menu on the front panel.
Table 5.66 Teletext Component Parameters
Parameter
Values
Description
PID
32 to 8190
Sets the packet identifier associated with the component.
Bit Rate Weighting
Fixed
Specifies the weight associated to the component in the
Bit Rate Tracking algorithm. For audio stream, this is Fixed
and read only.
5.5.3.3.5
VBI and ANC Stream Configuration
This section describes the parameters available for setting up VBI and ANC
streams.
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