Waa maxay DBU?
dBu iyo dBV waa unugyada decibel si gaar ah loogu talagalay cabbiraadda danab. Si ka duwan dB, waxay dhab ahaantii yihiin unugyo sababtoo ah waxaa loo rogi karaa qiimaha danab dhabta ah. dBu waa dB marka loo eego 0.775 volts; sidaa darteed 0dBu = 0.775 volts.