Comments (2)
There is a way to produce minimum phase impulse response from the frequency response without biquad filters. I know this because EqualizerAPO GraphicEQ does this but I don't know yet how.
One interesting thing to try would be to take a logarithmic sine sweep, multiply each sample by it's respective eq magnitude and turn into impulse response with deconvolution. Whether this produces linear phase or minimum phase filter of something else remains to be seen.
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Took alternative route for this and now parametric eq optimization is not required anymore. Minimum phase FIR filter is the default now instead of linear phase one.
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from autoeq.