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Move comment about FM squelch IIR filter.
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@ -30,6 +30,7 @@ constexpr iir_biquad_config_t audio_hpf_config {
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{ 1.00000000f, -1.94447766f, 0.94597794f, }
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};
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// scipy.signal.iirdesign(wp=8000 / 24000.0, ws= 4000 / 24000.0, gpass=1, gstop=18, ftype='ellip')
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constexpr iir_biquad_config_t non_audio_hpf_config {
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{ 0.51891061f, -0.95714180f, 0.51891061f },
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{ 1.0f , -0.79878302f, 0.43960231f }
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@ -37,8 +37,6 @@ private:
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static constexpr size_t N = 32;
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static constexpr int16_t threshold = 3072;
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// nyquist = 48000 / 2.0
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// scipy.signal.iirdesign(wp=8000 / nyquist, ws= 4000 / nyquist, gpass=1, gstop=18, ftype='ellip')
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IIRBiquadFilter non_audio_hpf { non_audio_hpf_config };
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};
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