Min Top | Nsfs324engsub Convert020052

Use FFmpeg’s subtitles filter with force_style option:

ffmpeg -i nsfs324.mkv -vf "subtitles=nsfs324.mkv:si=0:force_style='Alignment=9,MarginV=10'" -c:a copy output.mp4

Explanation:

4.1 Challenges

4.2 Results

Sometimes, strings like this originate from: nsfs324engsub convert020052 min top

If you found this string in a log or as a command, it may be a corrupted argument meant for FFmpeg: Explanation: 4

ffmpeg -i nsfs324.mkv -ss 00:02:00.52 -t 00:00:60 -c copy top_clip.mkv

Note: 60 seconds top.