Ibikoresho byo kuvura inshuro zo hagati (IFTIs) ni ibikoresho bishya byubuvuzi bikoresha amashanyarazi muburyo bwihariye bwo guteza imbere gukiza no kugabanya ububabare. Ibi bikoresho bikora mubisanzwe hagati ya 1 kHz na 10 kHz kandi byagenewe gukangura imitsi n'imitsi, gushyigikira inzira isanzwe yo gukiza umubiri. Ihame ryibanze inyuma ya IFTIs niri