Ngeminyaka yesipiliyoni ekukhiqizeni i-audiometer ye-audiometer yokuhlola okusanda kuzalwa , i -audiometer yezindawo ezisanda kuzwakala zokuhlola ukufika . kuzalwa kokuzwa kwe- audiometer yokuhlolwa kwezindawo ezisanda . Ngaphezu kohlu lomkhiqizo olungezansi, ungaphinde wenze ngokwezifiso i-audiometer yedivayisi yakho eyingqayizivele yokuhlola okuhlukile kokuhlolwa kokuzwa okusanda kuzalwa ngokuya ngezidingo zakho ezithile.