MarkT:
Its a small 8-bit microcontroller, not a DSP chip.
I want to analyiz sound into bands and get ampltiude value of per band then by regresion convert amplituid to dB and then decrase value of a_wiething of it
Understand my mean?
I dont want to make a wighing chipset
Even consider till 4000 hz ,cuz noise in industrial usually is 250 till 4000 hz and then wighting it