C:\mpv\mpv.exe "C:\ffmpeg\Cowbop Bebop - 05.mkv" -o "C:\ffmpeg\Cowbop Bebop - 052.mkv" -ovc libx264 -ovcopts "preset=slow,level=41,crf=18" -oac libvorbis -oacopts compression_level =5 --audio-channels=empty -start=03:16.933  -length=60