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flt.c_notch

flt.c_notch calculates biquad coefficients for a notch (reject) filter and outputs them as the list b0 b1 b2 a1 a2. Its center frequency is set in Hz (20–22050), while @rad enables angular-frequency input; the quality factor is defined as frequency divided by bandwidth, and bandwidth can also be set in octaves with bw.

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  • Download via Deken.

    Open Pd and go to ToolsFind Externals. Search for ceammc and install it. Then create an object with declare -lib ceammc -path ceammc. Finally, use flt.c_notch or any other object from ceammc.

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