Adaptive Filters are core of the ANC system. They continuously adjusts its filter coefficients to minimize the error signal, effectively generating the anti-noise signal. Common choices include the Least Mean Squares (LMS) or Normalized LMS (NLMS) algorithms implemented using the respective Simulink blocks. However if the Anti-noise algorithm is analog electronic PCB with feedback mechanism, then does there exists a built in block in Simulink audio tool to design this algorithm?
Namaste Dr. Gaur Kumar: It seems Simulink is a simulation software package. I am too old to have used it. Apologize for inability to help. You might have to consider writing some code if a built-in block is not available. Decades ago, I had to do the same thing for IIR/FIR filters.
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