MP4
AMR iifayile
I-MP4 (MPEG-4 iNdawo ye-14) yifomati yesikhongozeli semultimedia esinokugcina ividiyo, isandi, kunye nezihlokwana. Isetyenziswa ngokubanzi ukusasaza kunye nokwabelana ngomxholo wemultimedia.
I-AMR (I-Adaptive Multi-Rate) yifomathi yocinezelo lwe-audio elungiselelwe ikhowudi yentetho. Iqhele ukusetyenziswa kwiifowuni eziphathwayo ukwenzela ukurekhoda kwelizwi kunye nokudlala kwakhona.