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More old GCC fussiness fixes.
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@ -26,14 +26,14 @@
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// scipy.signal.butter(2, 30 / 24000.0, 'highpass', analog=False)
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constexpr iir_biquad_config_t audio_hpf_30hz_config {
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{ 0.99722705f, -1.99445410f, 0.99722705f, },
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{ 1.00000000f, -1.99444641f, 0.99446179f, }
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{ 0.99722705f, -1.99445410f, 0.99722705f },
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{ 1.00000000f, -1.99444641f, 0.99446179f }
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};
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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_300hz_config {
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{ 0.97261390f, -1.94522780f, 0.97261390f, },
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{ 1.00000000f, -1.94447766f, 0.94597794f, }
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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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// scipy.signal.iirdesign(wp=8000 / 24000.0, ws= 4000 / 24000.0, gpass=1, gstop=18, ftype='ellip')
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@ -44,16 +44,16 @@ constexpr iir_biquad_config_t non_audio_hpf_config {
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// scipy.signal.butter(1, 300 / 24000.0, 'lowpass', analog=False)
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// NOTE: Technically, order-1 filter, b[2] = a[2] = 0.
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constexpr iir_biquad_config_t audio_deemph_300_6_config {
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{ 0.01925927f, 0.01925927f, 0.00000000f, },
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{ 1.00000000f, -0.96148145f, 0.00000000f, },
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{ 0.01925927f, 0.01925927f, 0.00000000f },
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{ 1.00000000f, -0.96148145f, 0.00000000f }
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};
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// 75us RC time constant, used in broadcast FM in Americas, South Korea
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// scipy.signal.butter(1, 2122 / 24000.0, 'lowpass', analog=False)
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// NOTE: Technically, order-1 filter, b[2] = a[2] = 0.
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constexpr iir_biquad_config_t audio_deemph_2122_6_config {
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{ 0.12264116f, 0.12264116f, 0.00000000f, },
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{ 1.00000000f, -0.75471767f, 0.00000000f, },
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{ 0.12264116f, 0.12264116f, 0.00000000f },
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{ 1.00000000f, -0.75471767f, 0.00000000f }
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};
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#endif/*__DSP_IIR_CONFIG_H__*/
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