Mos score calculation of opus codec with E-Model algorithm

Question

Now we want to use E-model algorithm to calculate opus Mos score, we need to feed some parameters to E-model, e.g. bpl, ie, currently I can't find the value of these params for opus in web, anyone can help? Or do you know any other widely used algorithm for opus mos?

Answer 1

ITU-T E-model tutorial. Look at the table 2 there are default values for each parameters and recommended range.