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sdrangel/sdrbase/dsp/filtermbe.cpp

40 lines
2.1 KiB
C++

///////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2016 F4EXB //
// written by Edouard Griffiths //
// //
// This program is free software; you can redistribute it and/or modify //
// it under the terms of the GNU General Public License as published by //
// the Free Software Foundation as version 3 of the License, or //
// //
// This program is distributed in the hope that it will be useful, //
// but WITHOUT ANY WARRANTY; without even the implied warranty of //
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
// GNU General Public License V3 for more details. //
// //
// You should have received a copy of the GNU General Public License //
// along with this program. If not, see <http://www.gnu.org/licenses/>. //
///////////////////////////////////////////////////////////////////////////////////
#include "filtermbe.h"
const float MBEAudioInterpolatorFilter::m_lpa[3] = {1.0, 1.392667E+00, -5.474446E-01};
const float MBEAudioInterpolatorFilter::m_lpb[3] = {3.869430E-02, 7.738860E-02, 3.869430E-02};
const float MBEAudioInterpolatorFilter::m_hpa[3] = {1.000000e+00, 1.955578e+00, -9.565437e-01};
const float MBEAudioInterpolatorFilter::m_hpb[3] = {9.780305e-01, -1.956061e+00, 9.780305e-01};
MBEAudioInterpolatorFilter::MBEAudioInterpolatorFilter() :
m_filterLP(m_lpa, m_lpb),
m_filterHP(m_hpa, m_hpb),
m_useHP(false)
{
}
MBEAudioInterpolatorFilter::~MBEAudioInterpolatorFilter()
{}
float MBEAudioInterpolatorFilter::run(const float& sample)
{
return m_useHP ? m_filterLP.run(m_filterHP.run(sample)) : m_filterLP.run(sample);
}