Use a metadata file split.txt :
file 'ep01.mkv' file 'ep02.mkv' file 'ep03.mkv' ... up to ep10 Then run: party down s01 ffmpeg
ffmpeg -i episode01.mkv -ss 00:10:30 -to 00:15:20 -c copy henry_rant.mkv Precise cut (re-encode for frame accuracy): Use a metadata file split
ffmpeg -i episode01.mkv -ss 00:10:30 -to 00:15:20 -c:v libx264 -c:a aac henry_accurate.mkv Extract as MP3: party down s01 ffmpeg
ffmpeg -i episode01.mkv -q:a 0 -map a party_s01e01_audio.mp3 Extract without re-encode (FLAC):
Check each file:
for f in *.mkv; do ffmpeg -i "$f" -c:v libx264 -preset fast -crf 20 -c:a aac -b:a 160k "$f%.mkv.mp4" done For Windows (PowerShell):