: Subtract the subtitle timecode from the master video timestamp to determine your delay factor.
Because this is freeware (not open source), the license agreement is vague. Most legacy freeware clauses state: "Free for personal and non-commercial use." If you intend to use dsrt editor v322 free inside a defense contract or commercial simulation product, you should:
: Capable of importing files from JACOsub, RT, SAMI, SSA, ASS, SUB, TurboTitle, XSS, and ZeroG.