Added information to the message, but in Russian
I was making a topic and a piece of code(only micro-test),
there's something like your code. Oh, I thought you saw ...
Ok. You can also use min-max freq, peaks min-max for silence - threshold etc.
Использовать эту ф-ю можно, ее возможности, но понадобятся и доп. вещи....хз.