Nsps445engsub Convert013008 Min High Quality

# Generate trimmed video with re-encoding ffmpeg -i nsps445engsub -ss 01:30:08 -t 30:00 -c:v libx264 -c:a aac temp_segment.mp4

ffmpeg -i nsps445engsub -itsoffset -01:30:08 -map 0:s:0 -c copy shifted_subs.srt nsps445engsub convert013008 min

Timestamp vs. date ambiguity

Use HandBrake or FFmpeg. Choose settings based on goal: # Generate trimmed video with re-encoding ffmpeg -i