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- Joined: Thu Jan 10, 2013 2:58 pm
TV tech wrote:Will this unit pass close caption? If so, how?
As they say, it depends.
If you're converting standard definition video like NTSC then yes, the miniconverter will pass it. In NTSC video, caption data is actually part of the video signal and lives on the odd field of line 21. The converter isn't doing any special processing for it, just treating it like the rest of the video. This is known as EIA-608 captioning.
If you are talking about a high definition analog feed, then no. For one thing, I am not aware that a standard for captions on analog HD video even exists... but even if it does, there would be a considerable amount of processing needed to convert it to EIA-708 format and embed that into the vertical ancillary area of the HD-SDI output.
Regards,
-- Jeff