I am using ADAU1761, and want to use the General (2nd order) module.
I have a question that how to calculate the coefficients of bandpass filter？
What is your question?
SigmaStudio will calculate the coefficients for you when you select the details of the filter you would like.
I have exported the project files, and now I want to control the filter parameters through I2C in MCU code.
I think I just need to give the Bandwidth(octaves), and gain of Bandpass filter, and then the filter coefficients can be calculated by using some formulas. But I don't know what the formulas are.
Am I right? Please give me some guidance.
Have a look at this post:
I think this will help.
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