You would have to use a program like Subtitle Workshop (google it) to resync the subs at those particular points. To add to an already authored DVD, you'd have to unpack the VOBs, add the subs, then re-author it.
You would have to use a program like Subtitle Workshop (google it) to resync the subs at those particular points. To add to an already authored DVD, you'd have to unpack the VOBs, add the subs, then re-author it.