This is version 2.18 of the AWS Elemental Server documentation. This is the latest version. For prior versions, see the *Previous Versions* section of [AWS Elemental Conductor File and AWS Elemental Server Documentation](https://docs.aws.amazon.com/elemental-server/).

# DVB-Sub or SCTE-27 Formats
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AWS Elemental Server supports DVB-Sub and SCTE-27 formats only in TS inputs.

In most cases, create one captions selector per track. In each selector, specify which track you want by providing the PID or language code.

**Note**  
Don't specify the captions in both the **PID** field and the **Language** dropdown list. Specify one or the other. 

If you are doing DVB-sub-to-DVB-sub and you want to pass through all the captions tracks from the input to the output, create one captions selector for all tracks. In this case, keep the **PID **field blank and don't choose any language from the **Language** dropdown list.