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44 lines
1.3 KiB
44 lines
1.3 KiB
/*
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==============================================================================
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This file is part of Tal-NoiseMaker by Patrick Kunz.
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Copyright(c) 2005-2010 Patrick Kunz, TAL
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Togu Audio Line, Inc.
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http://kunz.corrupt.ch
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This file may be licensed under the terms of of the
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GNU General Public License Version 2 (the ``GPL'').
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Software distributed under the License is distributed
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on an ``AS IS'' basis, WITHOUT WARRANTY OF ANY KIND, either
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express or implied. See the GPL for the specific language
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governing rights and limitations.
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You should have received a copy of the GPL along with this
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program. If not, go to http://www.gnu.org/licenses/gpl.html
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or write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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==============================================================================
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*/
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#if !defined(__OnePoleLP_h)
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#define __OnePoleLP_h
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class OnePoleLP {
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public:
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float inputs, outputs, lastOutput;
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OnePoleLP() {
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lastOutput = inputs = outputs = 0.0f;
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}
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~OnePoleLP() {}
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void tick(float *sample, float cutoff) {
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float p = (cutoff * 0.98f) * (cutoff * 0.98f) * (cutoff * 0.98f) * (cutoff * 0.98f);
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outputs = (1.0f - p) * (*sample) + p * outputs;
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*sample = outputs;
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}
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};
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#endif
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