In expressing sound intensity, we take 10^-12 W/m^2 as the reference level. For ordinary conversation, the intensity level is about 10^-6 W/m^2. Expressed in decibel, this is In expressing sound intensity the intensity level is about 10^-6 W/m^2. Expressed in decibel this is we take 10^-12 W/m^2 as the reference level. For ordinary conversation November [...]
