Setp 1:

    After you add a video file, TT Video Converter automatly adds the “Subtitle render filter” to the filter listbox if the video contains split subtitles. For example, at the “Filter” tab in the screenshot, the “ID[2]” item is the “Subtitle render filter”.

Step 2:

    If the video file contains subtitle more than one, please click the combo box to select the subtitle you want.

Step 3:

    Select the “Subtitle render filter” item in the filter listbox, it will show the param setting dialog at the right-bottom area of the dialog.

    You can change the font style(include font, font size, bold, italic, etc) and the color of the text display in the video, just click the “Font…” button or “Color…” button to change.
    You can also revise time synchronization with the subtitle and the video through move the bar to the left or right.
    The screenshot is displayed with large font size and text with blue color.