-
Notifications
You must be signed in to change notification settings - Fork 64
/
Copy pathdemos.lib
1508 lines (1317 loc) · 61.6 KB
/
demos.lib
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
//#################################### demos.lib ##########################################
// This library contains a set of demo functions based on examples located in the
// `/examples` folder. Its official prefix is `dm`.
//########################################################################################
/************************************************************************
************************************************************************
FAUST library file, GRAME section
Except where noted otherwise, Copyright (C) 2003-2017 by GRAME,
Centre National de Creation Musicale.
----------------------------------------------------------------------
GRAME LICENSE
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as
published by the Free Software Foundation; either version 2.1 of the
License, or (at your option) any later version.
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 Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA.
EXCEPTION TO THE LGPL LICENSE : As a special exception, you may create a
larger FAUST program which directly or indirectly imports this library
file and still distribute the compiled code generated by the FAUST
compiler, or a modified version of this compiled code, under your own
copyright and license. This EXCEPTION TO THE LGPL LICENSE explicitly
grants you the right to freely choose the license for the resulting
compiled code. In particular the resulting compiled code has no obligation
to be LGPL or GPL. For example you are free to choose a commercial or
closed source license or any other license if you decide so.
************************************************************************
************************************************************************/
ma = library("maths.lib");
ba = library("basics.lib");
de = library("delays.lib");
si = library("signals.lib");
an = library("analyzers.lib");
fi = library("filters.lib");
os = library("oscillators.lib");
no = library("noises.lib");
ef = library("misceffects.lib");
co = library("compressors.lib");
ve = library("vaeffects.lib");
pf = library("phaflangers.lib");
re = library("reverbs.lib");
en = library("envelopes.lib");
//########################################################################################
/************************************************************************
FAUST library file, jos section
Except where noted otherwise, The Faust functions below in this
section are Copyright (C) 2003-2019 by Julius O. Smith III <[email protected]>
([jos](http://ccrma.stanford.edu/~jos/)), and released under the
(MIT-style) [STK-4.3](#stk-4.3-license) license.
MarkDown comments in this section are Copyright 2016-2019 by Romain
Michon and Julius O. Smith III, and are released under the
[CCA4I](https://creativecommons.org/licenses/by/4.0/) license (TODO: if/when Romain agrees!)
************************************************************************/
//====================================Analyzers===========================================
//========================================================================================
//----------------------`(dm.)mth_octave_spectral_level_demo`----------------------
// Demonstrate mth_octave_spectral_level in a standalone GUI.
//
// #### Usage
// ```
// _ : mth_octave_spectral_level_demo(BandsPerOctave) : _
// _ : spectral_level_demo : _ // 2/3 octave
// ```
//------------------------------------------------------------
// Author: Julius Smith
// Coauthor: Yann Orlarey
// License: MIT
mth_octave_spectral_level_demo(BPO) = an.mth_octave_spectral_level_default(M,ftop,N,tau,dB_offset)
with{
M = BPO;
ftop = 16000;
Noct = 10; // number of octaves down from ftop
// Lowest band-edge is at ftop*2^(-Noct+2) = 62.5 Hz when ftop=16 kHz:
N = int(Noct*M); // without 'int()', segmentation fault observed for M=1.67
ctl_group(x) = hgroup("[1] SPECTRUM ANALYZER CONTROLS", x);
tau = ctl_group(hslider("[0] Level Averaging Time [unit:ms] [scale:log]
[tooltip: band-level averaging time in milliseconds]",
100,1,10000,1)) * 0.001;
dB_offset = ctl_group(hslider("[1] Level dB Offset [unit:dB]
[tooltip: Level offset in decibels]",
50,-50,100,1));
};
spectral_level_demo = mth_octave_spectral_level_demo(1.5); // 2/3 octave
//======================================Filters===========================================
//========================================================================================
//--------------------------`(dm.)parametric_eq_demo`------------------------------
// A parametric equalizer application.
//
// #### Usage:
//
// ```
// _ : parametric_eq_demo : _
// ```
//------------------------------------------------------------
// Author: Julius Smith
// License: MIT
parametric_eq_demo = fi.low_shelf(LL,FL) : fi.peak_eq(LP,FP,BP) : fi.high_shelf(LH,FH)
with{
eq_group(x) = hgroup("[0] PARAMETRIC EQ SECTIONS [tooltip: See Faust's filters.lib
for info and pointers]",x);
ls_group(x) = eq_group(vgroup("[1] Low Shelf",x));
LL = ls_group(hslider("[0] Low Boost|Cut [unit:dB] [style:knob]
[tooltip: Amount of low-frequency boost or cut in decibels]",0,-40,40,0.1));
FL = ls_group(hslider("[1] Transition Frequency [unit:Hz] [style:knob] [scale:log]
[tooltip: Transition-frequency from boost (cut) to unity gain]",200,1,5000,1));
pq_group(x) = eq_group(vgroup("[2] Peaking Equalizer[tooltip: Parametric Equalizer
sections from filters.lib]",x));
LP = pq_group(hslider("[0] Peak Boost|Cut [unit:dB] [style:knob][tooltip: Amount of
local boost or cut in decibels]",0,-40,40,0.1));
FP = pq_group(hslider("[1] Peak Frequency [unit:PK] [style:knob] [tooltip: Peak
Frequency in Piano Key (PK) units (A440 = 49PK)]",49,1,100,1)) : si.smooth(0.999)
: ba.pianokey2hz;
Q = pq_group(hslider("[2] Peak Q [style:knob] [scale:log] [tooltip: Quality factor
(Q) of the peak = center-frequency/bandwidth]",40,1,1000,0.1));
BP = FP/Q;
hs_group(x) = eq_group(vgroup("[3] High Shelf [tooltip: A high shelf provides a boost
or cut above some frequency]",x));
LH = hs_group(hslider("[0] High Boost|Cut [unit:dB] [style:knob] [tooltip: Amount of
high-frequency boost or cut in decibels]",0,-40,40,.1));
FH = hs_group(hslider("[1] Transition Frequency [unit:Hz] [style:knob] [scale:log]
[tooltip: Transition-frequency from boost (cut) to unity gain]",8000,20,10000,1));
};
//-------------------`(dm.)spectral_tilt_demo`-----------------------
// A spectral tilt application.
//
// #### Usage
//
// ```
// _ : spectral_tilt_demo(N) : _
// ```
//
// Where:
//
// * `N`: filter order (integer)
//
// All other parameters interactive
//------------------------------------------------------------
// Author: Julius Smith
// License: MIT
spectral_tilt_demo(N) = fi.spectral_tilt(O,f0,bw,alpha)
with{
O = N;
alpha = hslider("[1] Slope of Spectral Tilt across Band",-1/2,-1,1,0.001);
f0 = hslider("[2] Band Start Frequency [unit:Hz]",100,20,10000,1);
bw = hslider("[3] Band Width [unit:Hz]",5000,100,10000,1);
};
//---------`(dm.)mth_octave_filterbank_demo` and `(dm.)filterbank_demo`-------------
// Graphic Equalizer: Each filter-bank output signal routes through a fader.
//
// #### Usage
//
// ```
// _ : mth_octave_filterbank_demo(M) : _
// _ : filterbank_demo : _
// ```
//
// Where:
//
// * `M`: number of bands per octave
//--------------------------------------------------------------
mth_octave_filterbank_demo(O) = bp1(bp,mthoctavefilterbankdemo)
with{
M = O;
bp1 = ba.bypass1;
mofb_group(x) = vgroup("CONSTANT-Q FILTER BANK (Butterworth dyadic tree)
[tooltip: See Faust's filters.lib for documentation and references]", x);
bypass_group(x) = mofb_group(hgroup("[0]", x));
slider_group(x) = mofb_group(hgroup("[1]", x));
N = 10*M; // total number of bands (highpass band, octave-bands, dc band)
ftop = 10000;
mthoctavefilterbankdemo = chan;
chan = fi.mth_octave_filterbank_default(M,ftop,N) : sum(i,N,(*(ba.db2linear(fader(N-i)))));
fader(i) = slider_group(vslider("Band%2i [unit:dB] [tooltip: Bandpass filter
gain in dB]", -10, -70, 10, 0.1)) : si.smoo;
bp = bypass_group(checkbox("[0] Bypass
[tooltip: When this is checked, the filter-bank has no effect]"));
};
filterbank_demo = mth_octave_filterbank_demo(1); // octave-bands = default
//======================================Effects===========================================
//========================================================================================
//---------------------------`(dm.)cubicnl_demo`--------------------------
// Distortion demo application.
//
// #### Usage:
//
// ```
// _ : cubicnl_demo : _
// ```
//------------------------------------------------------------
// Author: Julius Smith
// License: MIT
cubicnl_demo = ba.bypass1(bp, ef.cubicnl_nodc(drive:si.smoo,offset:si.smoo))
with{
cnl_group(x) = vgroup("CUBIC NONLINEARITY cubicnl [tooltip: Reference:
https://ccrma.stanford.edu/~jos/pasp/Cubic_Soft_Clipper.html]", x);
bp = cnl_group(checkbox("[0] Bypass [tooltip: When this is checked, the
nonlinearity has no effect]"));
drive = cnl_group(hslider("[1] Drive [tooltip: Amount of distortion]",
0, 0, 1, 0.01));
offset = cnl_group(hslider("[2] Offset [tooltip: Brings in even harmonics]",
0, 0, 1, 0.01));
};
//----------------------------`(dm.)gate_demo`-------------------------
// Gate demo application.
//
// #### Usage
//
// ```
// _,_ : gate_demo : _,_
// ```
//------------------------------------------------------------
// Author: Julius Smith
// License: MIT
gate_demo = ba.bypass2(gbp,gate_stereo_demo)
with{
gate_group(x) = vgroup("GATE [tooltip: Reference:
http://en.wikipedia.org/wiki/Noise_gate]", x);
meter_group(x) = gate_group(hgroup("[0]", x));
knob_group(x) = gate_group(hgroup("[1]", x));
gbp = meter_group(checkbox("[0] Bypass [tooltip: When this is checked,
the gate has no effect]"));
gateview = ef.gate_gain_mono(gatethr,gateatt,gatehold,gaterel) : ba.linear2db :
meter_group(hbargraph("[1] Gate Gain [unit:dB] [tooltip: Current gain of the
gate in dB]", -50,+10)); // [style:led]
gate_stereo_demo(x,y) = attach(x,gateview(abs(x)+abs(y))),y :
ef.gate_stereo(gatethr,gateatt,gatehold,gaterel);
gatethr = knob_group(hslider("[1] Threshold [unit:dB] [style:knob] [tooltip: When
the signal level falls below the Threshold (expressed in dB), the signal is
muted]", -30, -120, 0, 0.1));
gateatt = knob_group(hslider("[2] Attack [unit:us] [style:knob] [scale:log]
[tooltip: Time constant in MICROseconds (1/e smoothing time) for the gate
gain to go (exponentially) from 0 (muted) to 1 (unmuted)]",
10, 10, 10000, 1)) : *(0.000001) : max(1.0/float(ma.SR));
gatehold = knob_group(hslider("[3] Hold [unit:ms] [style:knob] [scale:log]
[tooltip: Time in ms to keep the gate open (no muting) after the signal
level falls below the Threshold]", 200, 1, 1000, 1)) : *(0.001) :
max(1.0/float(ma.SR));
gaterel = knob_group(hslider("[4] Release [unit:ms] [style:knob] [scale:log]
[tooltip: Time constant in ms (1/e smoothing time) for the gain to go
(exponentially) from 1 (unmuted) to 0 (muted)]",
100, 1, 1000, 1)) : *(0.001) : max(1.0/float(ma.SR));
};
//----------------------------`(dm.)compressor_demo`-------------------------
// Compressor demo application.
//
// #### Usage
//
// ```
// _,_ : compressor_demo : _,_
// ```
//------------------------------------------------------------
// Author: Julius Smith
// License: MIT
compressor_demo = ba.bypass2(cbp,compressor_stereo_demo)
with{
comp_group(x) = vgroup("COMPRESSOR [tooltip: Reference:
http://en.wikipedia.org/wiki/Dynamic_range_compression]", x);
meter_group(x) = comp_group(hgroup("[0]", x));
knob_group(x) = comp_group(hgroup("[1]", x));
cbp = meter_group(checkbox("[0] Bypass [tooltip: When this is checked, the compressor
has no effect]"));
gainview = co.compression_gain_mono(ratio,threshold,attack,release) : ba.linear2db :
meter_group(hbargraph("[1] Compressor Gain [unit:dB] [tooltip: Current gain of
the compressor in dB]",-50,+10));
displaygain = _,_ <: _,_,(abs,abs:+) : _,_,gainview : _,attach;
compressor_stereo_demo =
displaygain(co.compressor_stereo(ratio,threshold,attack,release)) :
*(makeupgain), *(makeupgain);
ctl_group(x) = knob_group(hgroup("[3] Compression Control", x));
ratio = ctl_group(hslider("[0] Ratio [style:knob]
[tooltip: A compression Ratio of N means that for each N dB increase in input
signal level above Threshold, the output level goes up 1 dB]",
5, 1, 20, 0.1));
threshold = ctl_group(hslider("[1] Threshold [unit:dB] [style:knob]
[tooltip: When the signal level exceeds the Threshold (in dB), its level
is compressed according to the Ratio]",
-30, -100, 10, 0.1));
env_group(x) = knob_group(hgroup("[4] Compression Response", x));
attack = env_group(hslider("[1] Attack [unit:ms] [style:knob] [scale:log]
[tooltip: Time constant in ms (1/e smoothing time) for the compression gain
to approach (exponentially) a new lower target level (the compression
`kicking in')]", 50, 1, 1000, 0.1)) : *(0.001) : max(1/ma.SR);
release = env_group(hslider("[2] Release [unit:ms] [style: knob] [scale:log]
[tooltip: Time constant in ms (1/e smoothing time) for the compression gain
to approach (exponentially) a new higher target level (the compression
'releasing')]", 500, 1, 1000, 0.1)) : *(0.001) : max(1/ma.SR);
makeupgain = comp_group(hslider("[5] Makeup Gain [unit:dB]
[tooltip: The compressed-signal output level is increased by this amount
(in dB) to make up for the level lost due to compression]",
40, -96, 96, 0.1)) : ba.db2linear;
};
//-------------------------`(dm.)moog_vcf_demo`---------------------------
// Illustrate and compare all three Moog VCF implementations above.
//
// #### Usage
//
// ```
// _ : moog_vcf_demo : _
// ```
//------------------------------------------------------------
// Author: Julius Smith
// License: MIT
moog_vcf_demo = ba.bypass1(bp,vcf)
with{
mvcf_group(x) = hgroup("MOOG VCF (Voltage Controlled Filter) [tooltip: See Faust's
vaeffects.lib for info and references]",x);
cb_group(x) = mvcf_group(hgroup("[0]",x));
bp = cb_group(checkbox("[0] Bypass [tooltip: When this is checked, the Moog VCF
has no effect]"));
archsw = cb_group(checkbox("[1] Use Biquads [tooltip: Select moog_vcf_2b (two-biquad)
implementation, instead of the default moog_vcf (analog style) implementation]"));
bqsw = cb_group(checkbox("[2] Normalized Ladders [tooltip: If using biquads, make
them normalized ladders (moog_vcf_2bn)]"));
freq = mvcf_group(hslider("[1] Corner Frequency [unit:PK] [tooltip: The VCF resonates
at the corner frequency (specified in PianoKey (PK) units, with A440 = 49 PK).
The VCF response is flat below the corner frequency, and rolls off -24 dB per
octave above.]",
25, 1, 88, 0.01) : ba.pianokey2hz) : si.smoo;
res = mvcf_group(hslider("[2] Corner Resonance [style:knob] [tooltip: Amount of
resonance near VCF corner frequency (specified between 0 and 1)]", 0.9, 0, 1, 0.01));
outgain = mvcf_group(hslider("[3] VCF Output Level [unit:dB] [style:knob] [tooltip:
output level in decibels]", 5, -60, 20, 0.1)) : ba.db2linear : si.smoo;
vcfbq = _ <: select2(bqsw, ve.moog_vcf_2b(res,freq), ve.moog_vcf_2bn(res,freq));
vcfarch = _ <: select2(archsw, ve.moog_vcf(res^4,freq), vcfbq);
vcf = vcfarch : *(outgain);
};
//-------------------------`(dm.)wah4_demo`---------------------------
// Wah pedal application.
//
// #### Usage
//
// ```
// _ : wah4_demo : _
// ```
//------------------------------------------------------------
// Author: Julius Smith
// License: MIT
wah4_demo = ba.bypass1(bp, ve.wah4(fr))
with{
wah4_group(x) = hgroup("WAH4 [tooltip: Fourth-order wah effect made using moog_vcf]", x);
bp = wah4_group(checkbox("[0] Bypass [tooltip: When this is checked, the wah pedal has
no effect]"));
fr = wah4_group(hslider("[1] Resonance Frequency [scale:log] [tooltip: wah resonance
frequency in Hz]", 200,100,2000,1));
// Avoid dc with the moog_vcf (amplitude too high when freq comes up from dc)
// Also, avoid very high resonance frequencies (e.g., 5kHz or above).
};
//-------------------------`(dm.)crybaby_demo`---------------------------
// Crybaby effect application.
//
// #### Usage
//
// ```
// _ : crybaby_demo : _
// ```
//------------------------------------------------------------
// Author: Julius Smith
// License: MIT
crybaby_demo = ba.bypass1(bp, ve.crybaby(wah))
with{
crybaby_group(x) = hgroup("CRYBABY [tooltip: Reference:
https://ccrma.stanford.edu/~jos/pasp/vegf.html]", x);
bp = crybaby_group(checkbox("[0] Bypass [tooltip: When this is checked, the wah
pedal has no effect]"));
wah = crybaby_group(hslider("[1] Wah parameter [tooltip: wah pedal angle between
0 (rocked back) and 1 (rocked forward)]",0.8,0,1,0.01));
};
//-------------------------`(dm.)flanger_demo`---------------------------
// Flanger effect application.
//
// #### Usage
//
// ```
// _,_ : flanger_demo : _,_
// ```
//------------------------------------------------------------
// Author: Julius Smith
// License: MIT
flanger_demo = ba.bypass2(fbp,flanger_stereo_demo)
with{
flanger_group(x) = vgroup("FLANGER
[tooltip: Reference: https://ccrma.stanford.edu/~jos/pasp/Flanging.html]", x);
meter_group(x) = flanger_group(hgroup("[0]", x));
ctl_group(x) = flanger_group(hgroup("[1]", x));
del_group(x) = flanger_group(hgroup("[2] Delay Controls", x));
lvl_group(x) = flanger_group(hgroup("[3]", x));
fbp = meter_group(checkbox("[0] Bypass [tooltip: When this is checked, the flanger
has no effect]"));
invert = meter_group(checkbox("[1] Invert Flange Sum"));
// FIXME: This should be an amplitude-response display:
flangeview = lfor(freq) + lfol(freq) : meter_group(hbargraph("[2] Flange LFO
[style: led] [tooltip: Display sum of flange delays]", -1.5,+1.5));
flanger_stereo_demo(x,y) = attach(x,flangeview),y :
*(level),*(level) : pf.flanger_stereo(dmax,curdel1,curdel2,depth,fb,invert);
lfol = os.oscrs;
lfor = os.oscrc;
dmax = 2048;
dflange = 0.001 * ma.SR *
del_group(hslider("[1] Flange Delay [unit:ms] [style:knob]", 10, 0, 20, 0.001));
odflange = 0.001 * ma.SR *
del_group(hslider("[2] Delay Offset [unit:ms] [style:knob]", 1, 0, 20, 0.001));
freq = ctl_group(hslider("[1] Speed [unit:Hz] [style:knob]", 0.5, 0, 10, 0.01));
depth = ctl_group(hslider("[2] Depth [style:knob]", 1, 0, 1, 0.001));
fb = ctl_group(hslider("[3] Feedback [style:knob]", 0, -0.999, 0.999, 0.001));
level = lvl_group(hslider("Flanger Output Level [unit:dB]", 0, -60, 10, 0.1)) :
ba.db2linear;
curdel1 = odflange+dflange*(1 + lfol(freq))/2;
curdel2 = odflange+dflange*(1 + lfor(freq))/2;
};
//-------------------------`(dm.)phaser2_demo`---------------------------
// Phaser effect demo application.
//
// #### Usage
//
// ```
// _,_ : phaser2_demo : _,_
// ```
//------------------------------------------------------------
// Author: Julius Smith
// License: MIT
phaser2_demo = ba.bypass2(pbp,phaser2_stereo_demo)
with{
phaser2_group(x) = vgroup("PHASER2 [tooltip: Reference:
https://ccrma.stanford.edu/~jos/pasp/Flanging.html]", x);
meter_group(x) = phaser2_group(hgroup("[0]", x));
ctl_group(x) = phaser2_group(hgroup("[1]", x));
nch_group(x) = phaser2_group(hgroup("[2]", x));
lvl_group(x) = phaser2_group(hgroup("[3]", x));
pbp = meter_group(checkbox("[0] Bypass [tooltip: When this is checked, the phaser
has no effect]"));
invert = meter_group(checkbox("[1] Invert Internal Phaser Sum"));
vibr = meter_group(checkbox("[2] Vibrato Mode")); // In this mode you can hear any "Doppler"
// FIXME: This should be an amplitude-response display:
// flangeview = phaser2_amp_resp : meter_group(hspectrumview("[2] Phaser Amplitude Response", 0,1));
// phaser2_stereo_demo(x,y) = attach(x,flangeview),y : ...
phaser2_stereo_demo = *(level),*(level) :
pf.phaser2_stereo(Notches,width,frqmin,fratio,frqmax,speed,mdepth,fb,invert);
Notches = 4; // Compile-time parameter: 2 is typical for analog phaser stomp-boxes
// FIXME: Add tooltips
speed = ctl_group(hslider("[1] Speed [unit:Hz] [style:knob]", 0.5, 0, 10, 0.001));
depth = ctl_group(hslider("[2] Notch Depth (Intensity) [style:knob]", 1, 0, 1, 0.001));
fb = ctl_group(hslider("[3] Feedback Gain [style:knob]", 0, -0.999, 0.999, 0.001));
width = nch_group(hslider("[1] Notch width [unit:Hz] [style:knob] [scale:log]",
1000, 10, 5000, 1));
frqmin = nch_group(hslider("[2] Min Notch1 Freq [unit:Hz] [style:knob] [scale:log]",
100, 20, 5000, 1));
frqmax = nch_group(hslider("[3] Max Notch1 Freq [unit:Hz] [style:knob] [scale:log]",
800, 20, 10000, 1)) : max(frqmin);
fratio = nch_group(hslider("[4] Notch Freq Ratio: NotchFreq(n+1)/NotchFreq(n) [style:knob]",
1.5, 1.1, 4, 0.001));
level = lvl_group(hslider("Phaser Output Level [unit:dB]", 0, -60, 10, 0.1)) :
ba.db2linear;
mdepth = select2(vibr,depth,2); // Improve "ease of use"
};
//======================================Reverbs===========================================
//========================================================================================
//----------------------------`(dm.)freeverb_demo`-------------------------
// Freeverb demo application.
//
// #### Usage
//
// ```
// _,_ : freeverb_demo : _,_
// ```
//------------------------------------------------------------
// Author: Romain Michon
// License: LGPL
freeverb_demo = _,_ <: (*(g)*fixedgain,*(g)*fixedgain :
re.stereo_freeverb(combfeed, allpassfeed, damping, spatSpread)),
*(1-g), *(1-g) :> _,_
with{
scaleroom = 0.28;
offsetroom = 0.7;
allpassfeed = 0.5;
scaledamp = 0.4;
fixedgain = 0.1;
origSR = 44100;
parameters(x) = hgroup("Freeverb",x);
knobGroup(x) = parameters(vgroup("[0]",x));
damping = knobGroup(vslider("[0] Damp [style: knob] [tooltip: Somehow control the
density of the reverb.]",0.5, 0, 1, 0.025)*scaledamp*origSR/ma.SR);
combfeed = knobGroup(vslider("[1] RoomSize [style: knob] [tooltip: The room size
between 0 and 1 with 1 for the largest room.]", 0.5, 0, 1, 0.025)*scaleroom*
origSR/ma.SR + offsetroom);
spatSpread = knobGroup(vslider("[2] Stereo Spread [style: knob] [tooltip: Spatial
spread between 0 and 1 with 1 for maximum spread.]",0.5,0,1,0.01)*46*ma.SR/origSR
: int);
g = parameters(vslider("[1] Wet [tooltip: The amount of reverb applied to the signal
between 0 and 1 with 1 for the maximum amount of reverb.]", 0.3333, 0, 1, 0.025));
};
//---------------------`(dm.)stereo_reverb_tester`--------------------
// Handy test inputs for reverberator demos below.
//
// #### Usage
//
// ```
// _ : stereo_reverb_tester : _
// ```
//------------------------------------------------------------
// Author: Julius Smith
// License: MIT
stereo_reverb_tester(revin_group,x,y) = reverb_tester(_)
with {
reverb_tester(revin_group,x,y) = inx,iny with {
ck_group(x) = revin_group(vgroup("[1] Input Config",x));
mutegain = 1 - ck_group(checkbox("[1] Mute Ext Inputs
[tooltip: When this is checked, the stereo external audio inputs are
disabled (good for hearing the impulse response or pink-noise response alone)]"));
pinkin = ck_group(checkbox("[2] Pink Noise
[tooltip: Pink Noise (or 1/f noise) is Constant-Q Noise (useful for adjusting
the EQ sections)]"));
imp_group(x) = revin_group(hgroup("[2] Impulse Selection",x));
pulseL = imp_group(button("[1] Left
[tooltip: Send impulse into LEFT channel]")) : ba.impulsify;
pulseC = imp_group(button("[2] Center
[tooltip: Send impulse into LEFT and RIGHT channels]")) : ba.impulsify;
pulseR = imp_group(button("[3] Right
[tooltip: Send impulse into RIGHT channel]")) : ba.impulsify;
inx = x*mutegain + (pulseL+pulseC) + pn;
iny = y*mutegain + (pulseR+pulseC) + pn;
pn = 0.1*pinkin*no.pink_noise;
};
};
//-------------------------`(dm.)fdnrev0_demo`---------------------------
// A reverb application using `fdnrev0`.
//
// #### Usage
//
// ```
// _,_ : fdnrev0_demo(N,NB,BBSO) : _,_
// ```
//
// Where:
//
// * `n`: Feedback Delay Network (FDN) order / number of delay lines used =
// order of feedback matrix / 2, 4, 8, or 16 [extend primes array below for
// 32, 64, ...]
// * `nb`: Number of frequency bands / Number of (nearly) independent T60 controls
// / Integer 3 or greater
// * `bbso` = Butterworth band-split order / order of lowpass/highpass bandsplit
// used at each crossover freq / odd positive integer
//------------------------------------------------------------
// Author: Julius Smith
// License: MIT
fdnrev0_demo(N,NB,BBSO) = stereo_reverb_tester(revin_group)
<: re.fdnrev0(MAXDELAY,delays,BBSO,freqs,durs,loopgainmax,nonl)
:> *(gain),*(gain)
with{
MAXDELAY = 8192; // sync w delays and prime_power_delays above
defdurs = (8.4,6.5,5.0,3.8,2.7); // NB default durations (sec)
deffreqs = (500,1000,2000,4000); // NB-1 default crossover frequencies (Hz)
deflens = (56.3,63.0); // 2 default min and max path lengths
fdn_group(x) = vgroup("FEEDBACK DELAY NETWORK (FDN) REVERBERATOR, ORDER 16
[tooltip: See Faust's reverbs.lib for documentation and references]", x);
freq_group(x) = fdn_group(vgroup("[1] Band Crossover Frequencies", x));
t60_group(x) = fdn_group(hgroup("[2] Band Decay Times (T60)", x));
path_group(x) = fdn_group(vgroup("[3] Room Dimensions", x));
revin_group(x) = fdn_group(hgroup("[4] Input Controls", x));
nonl_group(x) = revin_group(vgroup("[4] Nonlinearity",x));
quench_group(x) = revin_group(vgroup("[3] Reverb State",x));
nonl = nonl_group(hslider("[style:knob] [tooltip: nonlinear mode coupling]",
0, -0.999, 0.999, 0.001));
loopgainmax = 1.0-0.5*quench_group(button("[1] Quench
[tooltip: Hold down 'Quench' to clear the reverberator]"));
pathmin = path_group(hslider("[1] min acoustic ray length [unit:m] [scale:log]
[tooltip: This length (in meters) determines the shortest delay-line used in the FDN
reverberator. Think of it as the shortest wall-to-wall separation in the room.]",
46, 0.1, 63, 0.1));
pathmax = path_group(hslider("[2] max acoustic ray length [unit:m] [scale:log]
[tooltip: This length (in meters) determines the longest delay-line used in the
FDN reverberator. Think of it as the largest wall-to-wall separation in the room.]",
63, 0.1, 63, 0.1));
durvals(i) = t60_group(vslider("[%i] %i [unit:s] [scale:log][tooltip: T60 is the 60dB
decay-time in seconds. For concert halls, an overall reverberation time (T60) near
1.9 seconds is typical [Beranek 2004]. Here we may set T60 independently in each
frequency band. In real rooms, higher frequency bands generally decay faster due
to absorption and scattering.]",ba.take(i+1,defdurs), 0.1, 100, 0.1));
durs = par(i,NB,durvals(NB-1-i));
freqvals(i) = freq_group(hslider("[%i] Band %i upper edge in Hz [unit:Hz] [scale:log]
[tooltip: Each delay-line signal is split into frequency-bands for separate
decay-time control in each band]",ba.take(i+1,deffreqs), 100, 10000, 1));
freqs = par(i,NB-1,freqvals(i));
delays = de.prime_power_delays(N,pathmin,pathmax);
gain = hslider("[3] Output Level (dB) [unit:dB][tooltip: Output scale factor]",
-40, -70, 20, 0.1) : ba.db2linear;
// (can cause infinite loop:) with { db2linear(x) = pow(10, x/20.0); };
};
//---------------------------`(dm.)zita_rev_fdn_demo`------------------------------
// Reverb demo application based on `zita_rev_fdn`.
//
// #### Usage
//
// ```
// si.bus(8) : zita_rev_fdn_demo : si.bus(8)
// ```
//------------------------------------------------------------
// Author: Julius Smith
// License: MIT
zita_rev_fdn_demo = re.zita_rev_fdn(f1,f2,t60dc,t60m,fsmax)
with{
fsmax = 48000.0;
fdn_group(x) = hgroup("Zita_Rev Internal FDN Reverb [tooltip: ~ Zita_Rev's internal
8x8 Feedback Delay Network (FDN) & Schroeder allpass-comb reverberator. See
Faust's reverbs.lib for documentation and references]",x);
t60dc = fdn_group(vslider("[1] Low RT60 [unit:s] [style:knob][style:knob]
[tooltip: T60 = time (in seconds) to decay 60dB in low-frequency band]",
3, 1, 8, 0.1));
f1 = fdn_group(vslider("[2] LF X [unit:Hz] [style:knob] [scale:log]
[tooltip: Crossover frequency (Hz) separating low and middle frequencies]",
200, 50, 1000, 1));
t60m = fdn_group(vslider("[3] Mid RT60 [unit:s] [style:knob] [scale:log]
[tooltip: T60 = time (in seconds) to decay 60dB in middle band]",
2, 1, 8, 0.1));
f2 = fdn_group(vslider("[4] HF Damping [unit:Hz] [style:knob] [scale:log]
[tooltip: Frequency (Hz) at which the high-frequency T60 is half the middle-band's T60]",
6000, 1500, 0.49*fsmax, 1));
};
//---------------------------`(dm.)zita_light`------------------------------
// Light version of `dm.zita_rev1` with only 2 UI elements.
//
// #### Usage
//
// ```
// _,_ : zita_light : _,_
// ```
//------------------------------------------------------------
// Author: Julius Smith
// License: MIT
zita_light = hgroup("Zita Light",(_,_ <: re.zita_rev1_stereo(rdel,f1,f2,t60dc,t60m,fsmax),_,_ :
out_eq,_,_ : dry_wet : out_level))
with{
fsmax = 48000.0; // highest sampling rate that will be used
rdel = 60;
f1 = 200;
t60dc = 3;
t60m = 2;
f2 = 6000;
out_eq = pareq_stereo(eq1f,eq1l,eq1q) : pareq_stereo(eq2f,eq2l,eq2q);
pareq_stereo(eqf,eql,Q) = fi.peak_eq_rm(eql,eqf,tpbt), fi.peak_eq_rm(eql,eqf,tpbt)
with {
tpbt = wcT/sqrt(max(0,g)); // tan(PI*B/SR), B bw in Hz (Q^2 ~ g/4)
wcT = 2*ma.PI*eqf/ma.SR; // peak frequency in rad/sample
g = ba.db2linear(eql); // peak gain
};
eq1f = 315;
eq1l = 0;
eq1q = 3;
eq2f = 1500;
eq2l = 0;
eq2q = 3;
dry_wet(x,y) = *(wet) + dry*x, *(wet) + dry*y
with {
wet = 0.5*(drywet+1.0);
dry = 1.0-wet;
};
drywet = vslider("[1] Dry/Wet Mix [style:knob] [tooltip: -1 = dry, 1 = wet]",
0,-1.0,1.0,0.01) : si.smoo;
gain = vslider("[2] Level [unit:dB] [style:knob] [tooltip: Output scale
factor]", -6, -70, 40, 0.1) : ba.db2linear : si.smoo;
out_level = *(gain),*(gain);
};
//----------------------------------`(dm.)zita_rev1`------------------------------
// Example GUI for `zita_rev1_stereo` (mostly following the Linux `zita-rev1` GUI).
//
// Only the dry/wet and output level parameters are "dezippered" here. If
// parameters are to be varied in real time, use `smooth(0.999)` or the like
// in the same way.
//
// #### Usage
//
// ```
// _,_ : zita_rev1 : _,_
// ```
//
// #### Reference
//
// <http://www.kokkinizita.net/linuxaudio/zita-rev1-doc/quickguide.html>
//------------------------------------------------------------
// Author: Julius Smith
// License: MIT
zita_rev1 = _,_ <: re.zita_rev1_stereo(rdel,f1,f2,t60dc,t60m,fsmax),_,_ : out_eq,_,_ :
dry_wet : out_level
with{
fsmax = 48000.0; // highest sampling rate that will be used
fdn_group(x) = hgroup(
"[0] Zita_Rev1 [tooltip: ~ ZITA REV1 FEEDBACK DELAY NETWORK (FDN) & SCHROEDER
ALLPASS-COMB REVERBERATOR (8x8). See Faust's reverbs.lib for documentation and
references]", x);
in_group(x) = fdn_group(hgroup("[1] Input", x));
rdel = in_group(vslider("[1] In Delay [unit:ms] [style:knob] [tooltip: Delay in ms
before reverberation begins]",60,20,100,1));
freq_group(x) = fdn_group(hgroup("[2] Decay Times in Bands (see tooltips)", x));
f1 = freq_group(vslider("[1] LF X [unit:Hz] [style:knob] [scale:log] [tooltip:
Crossover frequency (Hz) separating low and middle frequencies]", 200, 50, 1000, 1));
t60dc = freq_group(vslider("[2] Low RT60 [unit:s] [style:knob] [scale:log]
[style:knob] [tooltip: T60 = time (in seconds) to decay 60dB in low-frequency band]",
3, 1, 8, 0.1));
t60m = freq_group(vslider("[3] Mid RT60 [unit:s] [style:knob] [scale:log] [tooltip:
T60 = time (in seconds) to decay 60dB in middle band]",2, 1, 8, 0.1));
f2 = freq_group(vslider("[4] HF Damping [unit:Hz] [style:knob] [scale:log]
[tooltip: Frequency (Hz) at which the high-frequency T60 is half the middle-band's T60]",
6000, 1500, 0.49*fsmax, 1));
out_eq = pareq_stereo(eq1f,eq1l,eq1q) : pareq_stereo(eq2f,eq2l,eq2q);
// Zolzer style peaking eq (not used in zita-rev1) (filters.lib):
// pareq_stereo(eqf,eql,Q) = peak_eq(eql,eqf,eqf/Q), peak_eq(eql,eqf,eqf/Q);
// Regalia-Mitra peaking eq with "Q" hard-wired near sqrt(g)/2 (filters.lib):
pareq_stereo(eqf,eql,Q) = fi.peak_eq_rm(eql,eqf,tpbt), fi.peak_eq_rm(eql,eqf,tpbt)
with {
tpbt = wcT/sqrt(max(0,g)); // tan(PI*B/SR), B bw in Hz (Q^2 ~ g/4)
wcT = 2*ma.PI*eqf/ma.SR; // peak frequency in rad/sample
g = ba.db2linear(eql); // peak gain
};
eq1_group(x) = fdn_group(hgroup("[3] RM Peaking Equalizer 1", x));
eq1f = eq1_group(vslider("[1] Eq1 Freq [unit:Hz] [style:knob] [scale:log] [tooltip:
Center-frequency of second-order Regalia-Mitra peaking equalizer section 1]",
315, 40, 2500, 1));
eq1l = eq1_group(vslider("[2] Eq1 Level [unit:dB] [style:knob] [tooltip: Peak level
in dB of second-order Regalia-Mitra peaking equalizer section 1]", 0, -15, 15, 0.1));
eq1q = eq1_group(vslider("[3] Eq1 Q [style:knob] [tooltip: Q = centerFrequency/bandwidth
of second-order peaking equalizer section 1]", 3, 0.1, 10, 0.1));
eq2_group(x) = fdn_group(hgroup("[4] RM Peaking Equalizer 2", x));
eq2f = eq2_group(vslider("[1] Eq2 Freq [unit:Hz] [style:knob] [scale:log] [tooltip:
Center-frequency of second-order Regalia-Mitra peaking equalizer section 2]",
1500, 160, 10000, 1));
eq2l = eq2_group(vslider("[2] Eq2 Level [unit:dB] [style:knob] [tooltip: Peak level
in dB of second-order Regalia-Mitra peaking equalizer section 2]", 0, -15, 15, 0.1));
eq2q = eq2_group(vslider("[3] Eq2 Q [style:knob] [tooltip: Q = centerFrequency/bandwidth
of second-order peaking equalizer section 2]", 3, 0.1, 10, 0.1));
out_group(x) = fdn_group(hgroup("[5] Output", x));
dry_wet(x,y) = *(wet) + dry*x, *(wet) + dry*y with {
wet = 0.5*(drywet+1.0);
dry = 1.0-wet;
};
drywet = out_group(vslider("[1] Dry/Wet Mix [style:knob] [tooltip: -1 = dry, 1 = wet]",
0, -1.0, 1.0, 0.01)) : si.smoo;
out_level = *(gain),*(gain);
gain = out_group(vslider("[2] Level [unit:dB] [style:knob] [tooltip: Output scale
factor]", -20, -70, 40, 0.1)) : ba.db2linear : si.smoo;
};
//----------------------------------`(dm.)dattorro_rev_demo`------------------------------
// Example GUI for `dattorro_rev` with all parameters exposed. With additional
// dry/wet and output gain control.
//
// #### Usage
//
// ```
// _,_ : dattorro_rev_demo : _,_
// ```
//
//------------------------------------------------------------
// Author: Jakob Zerbian
// License: MIT-style STK-4.3 license
declare dattorro_rev_demo author "Jakob Zerbian";
declare dattorro_rev_demo license "MIT-style STK-4.3 license";
dattorro_rev_demo = _,_ <: re.dattorro_rev(pre_delay, bw, i_diff1, i_diff2, decay, d_diff1, d_diff2, damping),_,_:
dry_wet : out_level
with {
rev_group(x) = hgroup("[0] Dattorro Reverb",x);
in_group(x) = rev_group(hgroup("[0] Input",x));
pre_delay = 0;
bw = in_group(vslider("[1] Prefilter [style:knob] [tooltip: lowpass-like filter, 0 = no signal, 1 = no filtering]",0.7,0.0,1.0,0.001) : si.smoo);
i_diff1 = in_group(vslider("[2] Diffusion 1 [style:knob] [tooltip: diffusion factor, influences reverb color and density]",0.625,0.0,1.0,0.001) : si.smoo);
i_diff2 = in_group(vslider("[3] Diffusion 2 [style:knob] [tooltip: diffusion factor, influences reverb color and density]",0.625,0.0,1.0,0.001) : si.smoo);
fdb_group(x) = rev_group(hgroup("[1] Feedback",x));
d_diff1 = fdb_group(vslider("[1] Diffusion 1 [style:knob] [tooltip: diffusion factor, influences reverb color and density]",0.625,0.0,1.0,0.001) : si.smoo);
d_diff2 = fdb_group(vslider("[2] Diffusion 2 [style:knob] [tooltip: diffusion factor, influences reverb color and density]",0.625,0.0,1.0,0.001) : si.smoo);
decay = fdb_group(vslider("[3] Decay Rate [style:knob] [tooltip: decay length, 1 = infinite]",0.7,0.0,1.0,0.001) : si.smoo);
damping = fdb_group(vslider("[4] Damping [style:knob] [tooltip: dampening in feedback network]",0.625,0.0,1.0,0.001) : si.smoo);
out_group(x) = rev_group(hgroup("[2] Output",x));
dry_wet(x,y) = *(dry) + wet*x, *(dry) + wet*y
with {
wet = 0.5*(drywet+1.0);
dry = 1.0-wet;
};
drywet = out_group(vslider("[1] Dry/Wet Mix [style:knob] [tooltip: -1 = dry, 1 = wet]",0,-1.0,1.0,0.01) : si.smoo);
gain = out_group(vslider("[2] Level [unit:dB] [style:knob] [tooltip: Output Gain]", -6, -70, 40, 0.1) : ba.db2linear : si.smoo);
out_level = *(gain),*(gain);
};
//----------------------------------`(dm.)jprev_demo`------------------------------
// Example GUI for `jprev` with all parameters exposed.
//
// #### Usage
//
// ```
// _,_ : jprev_demo : _,_
// ```
//
//------------------------------------------------------------
// Author: Till Bovermann
// License: GPL2+
declare jprev_demo author "Till Bovermann";
declare jprev_demo license "GPL2+";
jprev_demo = re.jpverb(t60, damp, size, early_diff, mod_depth, mod_freq, low, mid, high, low_cutoff, high_cutoff)
with {
rev_group(x) = vgroup("[0] JPrev",x);
mix_group(x) = rev_group(hgroup("[0] Mix",x));
early_diff = mix_group(hslider("[1]earlyDiff [style:knob]", 0.707, 0.0, 0.990, 0.0010));
size = mix_group(hslider("[2]size [style:knob]", 1.0, 0.5, 3.000, 0.0100));
t60 = mix_group(hslider("[3]t60 [style:knob]", 1.0, 0.1, 60.000, 0.1000));
damp = mix_group(hslider("[4]damp [style:knob]", 0.0, 0.0, 0.999, 0.0001));
eq_group(x) = rev_group(hgroup("[1] EQ",x));
low = eq_group(hslider("[07]lowX [style:knob]", 1.0, 0.0, 1.0, 0.010));
mid = eq_group(hslider("[08]midX [style:knob]", 1.0, 0.0, 1.0, 0.010));
high = eq_group(hslider("[09]highX [style:knob]", 1.0, 0.0, 1.0, 0.010));
low_cutoff = eq_group(hslider("[10]lowBand [style:knob]", 500, 100.0, 6000.0, 0.1));
high_cutoff = eq_group(hslider("[11]highBand [style:knob]", 2000, 1000.0, 10000.0, 0.1));
mod_group(x) = rev_group(hgroup("[2] Mod",x));
mod_depth = mod_group(hslider("[1]mDepth [style:knob]", 0.1, 0.0, 1.0, 0.001));
mod_freq = mod_group(hslider("[2]mFreq [style:knob]", 2.0, 0.0, 10.0, 0.010));
};
//----------------------------------`(dm.)greyhole_demo`------------------------------
// Example GUI for `greyhole` with all parameters exposed.
//
// #### Usage
//
// ```
// _,_ : greyhole_demo : _,_
// ```
//
//------------------------------------------------------------
// Author: Till Bovermann
// License: GPL2+
declare greyhole_demo author "Till Bovermann";
declare greyhole_demo license "GPL2+";
greyhole_demo = re.greyhole(dt, damp, size, early_diff, feedback, mod_depth, mod_freq)
with {
rev_group(x) = vgroup("[0] Greyhole",x);
mix_group(x) = rev_group(hgroup("[0] Mix",x));
dt = mix_group(hslider("[01]delayTime [style:knob]", 0.2, 0.001, 1.45, 0.0001));
damp = mix_group(hslider("[02]damping [style:knob]", 0.0, 0.000, 0.99, 0.0010));
size = mix_group(hslider("[03]size [style:knob]", 1.0, 0.500, 3.00, 0.0001));
early_diff = mix_group(hslider("[04]diffusion [style:knob]", 0.5, 0.000, 0.99, 0.0001));
feedback = mix_group(hslider("[05]feedback [style:knob]", 0.9, 0.000, 1.00, 0.0100));
mod_group(x) = rev_group(hgroup("[1] Mod",x));
mod_depth = mod_group(hslider("[06]modDepth [style:knob]", 0.1, 0.000, 1.00, 0.0010));
mod_freq = mod_group(hslider("[07]modFreq [style:knob]", 2.0, 0.000, 10.00, 0.0100));
};
//====================================Generators==========================================
//========================================================================================
//--------------------------`(dm.)sawtooth_demo`---------------------------
// An application demonstrating the different sawtooth oscillators of Faust.
//
// #### Usage
//
// ```
// sawtooth_demo : _
// ```
//------------------------------------------------------------
// Author: Julius Smith
// License: MIT
sawtooth_demo = signal
with{
osc_group(x) = vgroup("[0] SAWTOOTH OSCILLATOR [tooltip: See Faust's oscillators.lib
for documentation and references]",x);