/usr/share/faust/iOSKeyboard/examples/crazyGuiro.dsp is in faust-common 0.9.95~repack1-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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 | //################################### crazyGuiro.dsp #####################################
// A simple smart phone "Guiro" where the touch screen is used to drive the instrument and
// select its pitch and where the x and y axis of the accelerometer control the
// resonance properties of the instrument.
//
// ## `SmartKeyboard` Use Strategy
//
// Since the sounds generated by this synth are very short, the strategy here is to take
// advantage of the polyphony capabilities of the iOSKeyboard architecture by creating
// a new voice every time a new key is pressed. Since the `SmartKeyboard` interface has a
// large number of keys here (128), lots of sounds are generated when sliding a
// finger across the keyboard. Also, it's interesting to notice that the `freq` parameter
// is not used here. Instead `keyboard` and `key` are used which allows us to easily
// make custom mappings.
//
// Author: Romain Michon (rmichon_at_ccrma_dot_stanford_dot_edu)
// 06/17/2016
//########################################################################################
import("stdfaust.lib");
//========================= Smart Keyboard Configuration =================================
// 8 keyboards, each has 16 keys, none of them display key names.
//========================================================================================
declare interface "SmartKeyboard{
'nKeyb':'8',
'keyb0_nKeys':'16',
'keyb1_nKeys':'16',
'keyb2_nKeys':'16',
'keyb3_nKeys':'16',
'keyb4_nKeys':'16',
'keyb5_nKeys':'16',
'keyb6_nKeys':'16',
'keyb7_nKeys':'16',
'keyb0_showNotesName':'0',
'keyb1_showNotesName':'0',
'keyb2_showNotesName':'0',
'keyb3_showNotesName':'0',
'keyb4_showNotesName':'0',
'keyb5_showNotesName':'0',
'keyb6_showNotesName':'0',
'keyb7_showNotesName':'0'
}";
//================================ Instrument Parameters =================================
// Creates the connection between the synth and the mobile device
//========================================================================================
// the current keyboard
keyboard = hslider("keyboard",0,0,2,1);
// the current key of the current keyboard
key = hslider("key",0,0,2,1);
// the wet factor of the reverb
wet = hslider("wet[acc: 0 0 -10 0 10]",0,0,1,0.01);
// the resonance factor of the reverb
res = hslider("res[acc: 1 0 -10 0 10]",0.5,0,1,0.01);
// smart keyboard gate parameter
gate = button("gate");
//=================================== Parameters Mapping =================================
//========================================================================================
// the resonance frequency of each click of the Guiro changes in function of
// the selected keyboard and key on it
minKey = 50; // min key of lowest keyboard
keySkipKeyboard = 8; // key skip per keyboard
drumResFreq = (key+minKey)+(keyboard*keySkipKeyboard) : ba.midikey2hz;
reverbWet = wet : si.smoo;
reverbRes = wet : si.smoo;
// filter q
q = 8;
//============================================ DSP =======================================
//========================================================================================
reverb(wet,res) = _ <: *(1-wet),(*(wet) : re.mono_freeverb(res, 0.5, 0.5, 0)) :> _;
process = sy.popFilterDrum(drumResFreq,q,gate) : reverb(wet,res);
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