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-rw-r--r--arts/modules/synth/synth_tremolo_impl.cc51
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diff --git a/arts/modules/synth/synth_tremolo_impl.cc b/arts/modules/synth/synth_tremolo_impl.cc
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-/*
-
- Copyright (C) 2000 Jeff Tranter
-
- This library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Library General Public
- License as published by the Free Software Foundation; either
- version 2 of the License, or (at your option) any later version.
-
- This library 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
- Library General Public License for more details.
-
- You should have received a copy of the GNU Library General Public License
- along with this library; see the file COPYING.LIB. If not, write to
- the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
- Boston, MA 02110-1301, USA.
-
- */
-
-#include <math.h>
-#include "artsmodulessynth.h"
-#include "stdsynthmodule.h"
-
-using namespace Arts;
-
-// The tremolo module modulates the amplitude according to a LFO-Wave.
-// Traditionally you would use a sine wave but why limit yourself?
-// What you get is a very intense effect that cuts through most
-// arrangements because of its high dynamic range. The tremolo effect
-// is still one of guitarists favorite effects although it's not as
-// popular as in the 1960's.
-
-class Synth_TREMOLO_impl : virtual public Synth_TREMOLO_skel,
- virtual public StdSynthModule
-{
-public:
- void calculateBlock(unsigned long samples)
- {
- unsigned long i;
- for(i=0; i<samples; i++)
- {
- // simply modulate the amplitude
- outvalue[i] = invalue[i] * fabs(inlfo[i]);
- }
- }
-};
-
-REGISTER_IMPLEMENTATION(Synth_TREMOLO_impl);