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Tweak (and document!) audio HPF IIR.
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@ -24,9 +24,10 @@
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#include "dsp_iir.hpp"
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// scipy.signal.butter(2, 300 / 24000.0, 'highpass', analog=False)
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constexpr iir_biquad_config_t audio_hpf_config {
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{ 0.93346032f, -1.86687724f, 0.93346032f },
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{ 1.0f , -1.97730264f, 0.97773668f }
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{ 0.97261390f, -1.94522780f, 0.97261390f, },
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{ 1.00000000f, -1.94447766f, 0.94597794f, }
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};
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constexpr iir_biquad_config_t non_audio_hpf_config {
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