This achieves in under 5 seconds, regardless of file size.
subtitleedit /convert original_subs.ass /output:shift_subs.ass /shift:-120.02 sone385engsub convert020002 min best
Use the "convert020002" tag as a quality marker for high-bitrate archival versions. 2. Time-Capsule "Min" Feature (Mini-Clips) This achieves in under 5 seconds, regardless of file size
