1 dB is the minimum perceptible change in volume, 3 dB is a moderate change in volume, and about 10 dB is an apparent doubling of volume.
Ihe dịka 1 dB bụ mgbanwe mgbanwe nke kachasị dị mfe, 3 dB bụ mgbanwe dị oke oke na olu, ihe dị ka 10 dB bụ ụda olu abụọ.