Question: 1 neper is equal to decibel?
Answer: Neper is a unit used to express ratios, such as gain, loss, and relative values. 2.718281828 is used in computing the ratio in nepers. values of interest, and ln is the natural logarithm, i.e., logarithm to the base e. Note 3: One neper Np ≡ 20 / (ln10) = 8.685889638 dB.