Solución a error Se necesitan decodificador MPEG-4 AAC, decodificador H.264 en Ubuntu – NKSistemas
vlc - Unable to play video on ubuntu 21. AC-3(ATSC A/52) decoder, MPEG-4 AAC decoder. H.264High profile decoder are required to play this file - Ask Ubuntu
some videos have sound and some have no sound on ubuntu 18.04 - Ask Ubuntu
Elégedetlen kritikusan Város mp4 decoder linux emulzió Közös Felszínes
Install MPEG-4 AAC decoder in Ubuntu
Ubuntu: How to install mpeg-4 aac and h.264 decoder on Ubuntu 10.10? - YouTube