: Keep .mkv with -c copy + add subtitle track: mkvmerge -o final.mkv SONE-385_clip.mkv subtitles_trimmed.ass
ffmpeg -i sone385.srt -itsoffset 02:00:02.000 -c copy sone385_shifted.srt sone385engsub convert020002 min best
You need the original SONE-385 file (MP4, MKV) and a separate English subtitle file (.srt or .ass) for it. Do not use pre-hardcoded files if quality is your priority. : Keep
This article is a technical explanation only. Always respect copyright laws and content creator rights. sone385engsub convert020002 min best