Young Sheldon S02e11 Ffmpeg ((top)) Today

ffmpeg -i "Young.Sheldon.S02E11.mkv" -c:v copy -ac 2 -c:a aac -b:a 192k "Young.Sheldon.S02E11.Stereo.mp4"

Many users acquire an .mp4 file but wish to convert it to .mkv to preserve multiple subtitle tracks or chapter markers without losing quality.