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How to calculate the coefficient of "bass boost" module in ADAU1701?

Question asked by liangbread on Oct 25, 2014

Hi everyone,

     I'm using ADAU1701 and would like to control it with the MCU as the host.As I am going to use "bass boost" in my schematic,but I  can not figure out the formula to calculate all the parameters of it.

 

Lowpass Freq,

High Threshold (dB)

Time Constant

Low Threshold ( dB )

Compression Ratio

Boost

Bass Freq

 

Actually,I do know there are 33 coeffients for some parameters of them.But there seems no any document to describe it.So I am asking for guiding to calculate them rather than explain the meaning of them.

 

Best Regards,

Liang.

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