Opus
AAC amafayela
I-Opus iyikhodekhi yomsindo evulekile, engenamali enikeza ukucindezelwa kwekhwalithi ephezulu kukho kokubili inkulumo nomsindo ovamile. Ilungele izinhlelo zokusebenza ezahlukahlukene, kufaka phakathi i-voice over IP (VoIP) nokusakaza.
I-AAC (I-Advanced Audio Codec) ifomethi yokucindezela yomsindo esetshenziswa kabanzi eyaziwa ngekhwalithi yayo ephezulu yomsindo nokusebenza kahle. Isetshenziswa kakhulu ezinhlelweni ezahlukahlukene zemultimedia.