"HC" is inserted into closed captioning

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  • September 6, 2013 at 3:06 pm #658
    no
    Participant

    I’m decoding closed captioning successfully but i’m getting the characters “HC” frequently. They’re showing up between lines and sometimes embedded in words.

    See attached screen cap.
    [attachment=0:3au7da8t]Screen Shot 2013-09-06 at 9.48.43 AM.png[/attachment:3au7da8t]

    I’m assuming it’s not an alignment issue because I’m getting complete words. It just must be something in the signal.

    Has anyone seen this behavior before or know what it could be?

    September 6, 2013 at 7:33 pm #1795
    no
    Participant

    Problem solved with very minor adjustment to the small potentiometer.

    Data is clean as a whistle now.

    September 7, 2013 at 1:31 pm #1796
    Michael
    Keymaster

    That’s great. This method of decoding CC is really quite a hack and it’s amazing it can work at all, so small adjustments can be necessary. The data is not always clean, and it is sometimes found on different lines depending on the source.

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