Why can't I turn off a DVD subtitle?

DVDs store most of their subtitles as VobSub tracks. These tracks are images of the subtitles rather than the text. No Apple device or program other than DVD Player can see this kind of subtitle. iVI can create a Hard Subtitle for you by burning these images onto the final video but then that subtitle is always visible and can't be turned off.

Some DVDs also contain a closed caption track (CC) which is stored as text. iVI can turn this into a normal Soft Subtitle which can be turned on or off.


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