Opus
AMR mafayilo
Opus ndi codec yotseguka, yopanda malipiro yomwe imapereka kupsinjika kwapamwamba pamawu komanso mawu wamba. Ndizoyenera kugwiritsa ntchito zosiyanasiyana, kuphatikiza mawu pa IP (VoIP) ndi kukhamukira.
AMR (Adaptive Multi-Rate) ndi mtundu wamawu wokongoletsedwa kuti azitha kukopera mawu. Amagwiritsidwa ntchito kwambiri m'mafoni a m'manja pojambula mawu komanso kusewera.