Grass Valley iTX Output Server 2 v.2.6 - Manual (Page 50)

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Output Server 2 Channel Configuration
Creating a Subtitle Stream
3 You should now create and configure a subtitle stream. See Creating a Subtitle Stream
below.
Creating a Subtitle Stream
Streams are used to carry one or more subtitle services within the video. Therefore, you
must create a stream before you can create a service.
To create a stream:
1 On the Subtitles tab, expand the Stream section.
2 Click Add.
An Add Stream window appears.
3 Enter the new stream name in the Stream Name field.
4 In the Insertion Frames section, check the boxes to allocate the number of video lines
required for subtitle transmission.
For timely delivery of a single subtitle service, 4 continuous video lines will be needed.
5 Click OK to exit the Add Stream window.
6 The stream can now be configured. See Configuring a Subtitle Stream below.