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Popping Noise

Question asked by AlvinLi on Feb 22, 2016
Latest reply on Sep 21, 2016 by KJBob

Hi ADI Eng


We used ADAU1701 as a DSP processor for an amplifier (80&200W) design, we heard popping noise when real-time adjust the shelf knob. We have tried two different DSP designed-block in below, please kindly advise a solution, many thanks.


Method A:

A1.jpg A2.jpg


Method B: