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How to use a single chip microcomputer control filter?

Question asked by chenbaoyuan on Sep 20, 2009
Latest reply on Dec 1, 2009 by Eric

Hello!

I use ADAU1446,in the SigmaStudio's Crossover module,i found there are different numbers addresses is shown in the Capture window when i select different filter.
For example,when i choose Butterworth 12 ,there are 5 addresses,and Bessel 24,there aer 10 addresses.I can't found which Coefficients match with these addresses,and
how to compute them.

Can you provide me the detailed algorithm just like General 2nd-Order Filters algorithm.Thanks!

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