MP4
AMR amafayela
I-MP4 (MPEG-4 Ingxenye 14) iyifomethi yesiqukathi se-multimedia engagcina ividiyo, umsindo, nemibhalo engezansi. Isetshenziswa kabanzi ukusakaza nokwabelana ngokuqukethwe kwe-multimedia.
I-AMR (I-Adaptive Multi-Rate) ifomethi yokuminyanisa yomsindo elungiselelwe ukubhalwa kwekhodi yenkulumo. Ivamise ukusetshenziswa kumakhalekhukhwini ukuqoshwa kwezwi nokudlalwa komsindo.