Adding decibels
L_total = 10 × log10(sum(10^(L_i / 10))).
Two equal levels add about 3.01 dB, not a doubling of the number. Use Add a source for more rows. Empty rows are left out of the sum.
L_total = 10 × log10(sum(10^(L_i / 10))).
Two equal levels add about 3.01 dB, not a doubling of the number. Use Add a source for more rows. Empty rows are left out of the sum.