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3 atc / vitc, 4 cea-608, Atc / vitc – Grass Valley K2 Edge Extraction Manual v.4.0.2 User Manual

Page 7: Cea-608

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K2 Edge Smart Playout Center Cross Conversion and Service Extraction Manual - document version:

4.0.2 Page 7

5.3 ATC / VITC

The following input sources are supported for extraction of the Ancillary Time Code (ATC) and Vertical

Interval Time Code (VITC) services, in given order of priority:

Input source

Condition

1 Any clip. The time code represents clip time.

Main Player

2 ATC objects found embedded in VBI section of HD SDI stream.

Main Player


That is, the ATC/VITC output reflects the time code of either the currently playing clip (if playing with

main player role) or the currently playing SDI stream (again, only if playing as main player).
The extracted time code is emitted as VITC for SD-channels and ATC for HD channels.

5.4 CEA-608

The following input sources are supported for extraction of the CEA-608 closed caption service, in

given order of priority:

Input source

Condition

1 An STL subtitle rendered in CEA-608 format.

This input source can co-exist with the next #2 source.

2 CEA-608 XDS commands placed on the timeline of a Channel Composer template.

This input source can co-exist with the previous #1 source.

3 CEA-608 objects found embedded in VBI section of an incoming SDI stream in

NTSC broadcast format.

Main Player

4 CEA-608 objects created from CDP metadata as a result of cross conversion from

HD to SD format.

Main Player