Peaking / Notch IIR Filter
Derive coefficients for a peaking filter with a given amplitude and bandwidth. All coefficients are calculated as described in Zolzer's
DAFX book (p. 50 - 55). This algorithm assumes a constant Q-term
is used through the equation.
Usage: [B,A] = peaking(G, Fc, Q, Fs);
G is the logrithmic gain (in dB)
FC is the center frequency
Q is Q-term equating to (Fb / Fc)
Fs is the sampling rate
The typical usages is multi-band equalization where each band has it's own peaking filter.
Cite As
Jeff Tackett (2024). Peaking / Notch IIR Filter (https://www.mathworks.com/matlabcentral/fileexchange/16567-peaking-notch-iir-filter), MATLAB Central File Exchange. Retrieved .
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- Signal Processing > Signal Processing Toolbox > Digital and Analog Filters > Digital Filter Design >
- Signal Processing > Signal Processing Toolbox > Digital and Analog Filters > Digital Filter Design > Single-Rate Filters >
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