# Identifying content in a MediaConnect source
<a name="extract-content-emx"></a>

The content in an AWS Elemental MediaConnect source is always a transport stream (TS). The TS is made up of one program (SPTS) or multiple programs (MPTS). Each program contains a combination of video, audio, and optional captions.

Obtain identifying information from the content provider.


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[\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/medialive/latest/ug/extract-content-emx.html)