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Thread: Closed captioning a live stream for a private Roku channel.

  1. #1
    Join Date
    Apr 2013
    Posts
    2

    Default Closed captioning a live stream for a private Roku channel.

    Our university uses the Wowza Streaming Engine 4.(?) and an EEG HD-491 closed caption encoder for live streaming. I am not the Wowza admin, but I have been tasked with creating a private Roku channel for live streaming of our graduation ceremonies. Everything on the Roku channel appears to be working except the closed captioning. I am not sure what CEA-608 subtitle track I should choose to display the captions from the Wowza on the Roku channel. According to the Wowza CC tutorial, if the ingested CEA-608 track number to the Wowza is not specified, the track defaults to 99. Is this true of the output as well? If not, is there a way to find what the CEA-608 subtitle/captioning track for the output of the Wowza is without resorting to trial and error?

  2. #2
    Join Date
    Mar 2016
    Posts
    108

    Default

    Hello,

    It should default on 99 on the output as well if not specified.

    It can be set within the ModuleCEA608ToOnTextData module:

    <Property>
    <Name>ccIngestCEA608TrackNumber</Name>
    <Value>99</Value>
    <Type>Integer</Type>
    </Property>

    Article for more info on setting this up for CC for Live Streaming.

    Best,

    Jason Tuchler
    Wowza Media Systems Support

  3. #3
    Join Date
    Apr 2013
    Posts
    2

    Default

    Thank you.

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