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Implementing Comb/Q-Notch filter to remove specific frequency

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Maverickmax

Maverickmax

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Hi

I am struggling to write a C codes in order to implement Comb/Q-notch filter to remove 500Hz.

As the picture shows that the sample is being hold for few seconds while the same sample is added at the output.

Should I use simple time delay loop in the my code? Any example of this algorithm?

MM[/img]
 

Comb/Notch Filter

no loop in this algorithm, but unit delay.

while (working) {
din_delay = din;
dout = din + din_delay;
}
 

Re: Comb/Notch Filter

Is there anyone can give me example of implementing of comb filter to remove the specific frequency? Does it use one delay or more?

MM
 

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