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How to decrease the mid range frequence boost when the Treble and Bass shelving(boost)?

Question asked by Alvis on Mar 24, 2017
Latest reply on Mar 26, 2017 by Alvis

Hello guys,


I meet some problem on Bass and Treble shelving.

The below picture is the treble and bass shelving, Bass boost 5 and Treble boost 5 too, and I found that when the Bass and Treble boost together, the mid range frequence will decrease the boost.


I try to simulate this curve on the ADAU1452 SigmaStudio, but I can not find the correct block to make the curve,

I use SigmaStudio simulation block, and the picture likes below:


two curves look different, so I wonder how to use low and high shelving block and parametric block to make my curve looks like the first picture curve.