New directory tree, with preprocessor/ inside interpretor/.

[Faustine.git] / interpretor / faust-0.9.47mr3 / tools / faust2pd / examples / synth / flanger.dsp

diff --git a/interpretor/faust-0.9.47mr3/tools/faust2pd/examples/synth/flanger.dsp b/interpretor/faust-0.9.47mr3/tools/faust2pd/examples/synth/flanger.dsp
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--- a/interpretor/faust-0.9.47mr3/tools/faust2pd/examples/synth/flanger.dsp
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-
-/* Stereo flanger with feedback. */
-
-/* This is basically just a chorus with a different kind of LFO (triangle wave
-   instead of sine), smaller delay times (typically 1-10 ms instead of 20-30
-   ms) and (much) larger sweep depth, which makes this unit sound more like a
-   time-varying filter (in fact, that's just what it is), in contrast to the
-   gentle pitch modulation produced by a chorus.
-
-   There's also an additional feedback loop which can be used to produce
-   metallic sounds, and a stereo control which allows you to change the
-   stereo spread (a.k.a. phase difference between left and right LFO).
-
-   Note that you can actually make this unit sound pretty much like a chorus
-   by cranking up the delay time while setting the feedback to zero and
-   reducing level and depth (the latter by at least an order of magnitude). */
-
-declare name "flanger -- stereo flanger with feedback";
-declare author "Albert Graef";
-declare version "1.0";
-
-import("music.lib");
-
-level                  = hslider("level", 1, 0, 1, 0.01);
-freq                   = hslider("freq", 2, 0, 10, 0.01);
-dtime                  = hslider("delay", 0.002, 0, 0.04, 0.001);
-depth                  = hslider("depth", 0.5, 0, 1, 0.001);
-feedback               = hslider("feedback", 0.1, 0, 1, 0.001);
-stereo                 = hslider("stereo", 1, 0, 1, 0.001);
-
-tblosc(n,f,freq,mod)   = (1-d)*rdtable(n,waveform,i&(n-1)) +
-                         d*rdtable(n,waveform,(i+1)&(n-1))
-with {
-       waveform        = time*(2.0*PI)/n : f;
-       phase           = freq/SR : (+ : decimal) ~ _;
-       modphase        = decimal(phase+mod/(2*PI))*n;
-       i               = int(floor(modphase));
-       d               = decimal(modphase);
-};
-
-triangle(t)            = ((0<=t) & (t<=PI))*((2*t-PI)/PI) +
-                         ((PI<t) & (t<=2*PI))*((3*PI-2*t)/PI);
-
-flanger(dtime,freq,level,feedback,depth,phase,x)
-                       = (x+(loop(x)*level))/(1+level)
-with {
-       t       = SR*dtime/2*(1+depth*tblosc(1<<16, triangle, freq, phase));
-       loop    = (+ : fdelay(1<<16, t)) ~ *(feedback);
-};
-
-process                        = vgroup("flanger", (left, right))
-with {
-       left    = flanger(dtime,freq,level,feedback,depth,0);
-       right   = flanger(dtime,freq,level,feedback,depth,stereo*PI);
-};