Mark thanks! I already read that article!
Well here is the deal. There is a sinewave program on my peadal that works fine! That means the DACs are ok!
The problem is only (i guess) the ADCs.
So i was considering replacing with an external. To have quality sound of my guitar from the output of my amp, do i need 16 bits? Or maybe 16 bits its too little? Also, bear in mind that the DUe has about 86k RAM. I have a big array (uint16_t sDelayBuffer0[40000]
but now i am using the 12 bits ADCs. If i use more bits (say 16) then the arraay will be filled more quickly right? And so effects like delay will be shortened in their duration, am i correct?
Ard_Newbie thanks so much for these article! Do you think it might be possible to completely remove the noise with these techniques? I will have to study them extensively and start coding!