Select the input folder where the EBU STL files are located or to be converted. It
processes these files only. The file has different capabilities such as text color,
background color, positioning, alignment, speaker name and number of lines.
Select the location of output folder where converted files are to be saved. This
will default to previous location used by the user. The files are saved into a folder
names as YYYYMMDD-HHMMSS to maintain the uniqueness and prevent the
overwriting of any existing files.
This is used to select the output format for the conversion. Currently following
formats are supported by the utility - SubRIP, WebVTT, Swift Text and Echo360.