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https://github.com/portapack-mayhem/mayhem-firmware.git
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38 lines
1.5 KiB
C++
38 lines
1.5 KiB
C++
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/*
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* Copyright (C) 2020 Belousov Oleg
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*
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* This file is part of PortaPack.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef __DSP_SOS_CONFIG_H__
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#define __DSP_SOS_CONFIG_H__
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#include "dsp_iir.hpp"
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// scipy.signal.iirfilter(ftype="ellip", N = 10, rp = 0.5, rs = 60.0, Wn = 0.5, btype = 'lowpass', output="sos")
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constexpr iir_biquad_df2_config_t half_band_lpf_config[5] = {
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{ 0.02339042f, 0.0411599f, 0.02339042f, 1.0f, -0.95317621f, 0.33446485f },
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{ 1.0f, 0.82196114f, 1.0f, 1.0f, -0.50327735f, 0.63611027f },
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{ 1.0f, 0.32515305f, 1.0f, 1.0f, -0.18144446f, 0.85269598f },
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{ 1.0f, 0.14394122f, 1.0f, 1.0f, -0.04368236f, 0.94798064f },
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{ 1.0f, 0.08720754, 1.0f, 1.0f, 0.00220944f, 0.98743139f }
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};
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#endif/*__DSP_SOS_CONFIG_H__*/
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