M4A
MP4 mafayilo
M4A ndi mtundu wamafayilo omvera womwe umagwirizana kwambiri ndi MP4. Imapereka kupsinjika kwapamwamba kwamawu ndi chithandizo cha metadata, ndikupangitsa kuti ikhale yoyenera kugwiritsa ntchito zosiyanasiyana.
MP4 (MPEG-4 Part 14) ndi zosunthika matumizidwe ophatikizika amawu, nyimbo ndi zithunzi chidebe mtundu kuti akhoza kusunga kanema, zomvetsera, ndi omasulira. Amagwiritsidwa ntchito kwambiri pakukhamukira komanso kugawana zinthu zambiri zama media.