/usr/share/doc/csound/examples/chuap.csd is in csound 1:5.17.6~dfsg-1.
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 | <CsoundSynthesizer>
<CsOptions>
csound -RWfo chuas_oscillator.wav
</CsOptions>
<CsInstruments>
sr = 44100
ksmps = 100
nchnls = 2
0dbfs = 10000
gibuzztable ftgen 1, 0, 16384, 10, 1
instr 1
; sys_variables = system_vars(5:12); % L,R0,C2,G,Ga,Gb,E,C1 or p8:p15
; integ_variables = [system_vars(14:16),system_vars(1:2)]; % x0,y0,z0,dataset_size,step_size or p17:p19, p4:p5
istep_size = p5
iL = p8
iR0 = p9
iC2 = p10
iG = p11
iGa = p12
iGb = p13
iE = p14
iC1 = p15
iI3 = p17
iV2 = p18
iV1 = p19
iattack = 0.02
isustain = p3
irelease = 0.02
p3 = iattack + isustain + irelease
iscale = 1.0
adamping linseg 0.0, iattack, iscale, isustain, iscale, irelease, 0.0
aguide buzz 5000, 440, sr/440, gibuzztable
aI3, aV2, aV1 chuap iL, iR0, iC2, iG, iGa, iGb, iE, iC1, iI3, iV2, iV1, istep_size
asignal balance aV2, aguide
outs adamping * asignal, adamping * asignal
endin
</CsInstruments>
<CsScore>
; Adapted from ABC++ MATLAB example data.
i 1 0 20 1500 .1 -1 -1 -0.00707925 0.00001647 100 1 -.99955324 -1.00028375 1 -.00222159 204.8 -2.36201596260071 3.08917625807226e-03 3.87075614929199 7 .4 .004 1 86 30; torus attractor ( gallery of attractors )
i 1 + 20 1500 .425 0 -1 1.3506168 0 -4.50746268737 -1 2.4924 .93 1 1 0 -22.28662665 .009506608 -22.2861576 32 10 2 20 86 30 ; heteroclinic orbit
i 1 + 20 1024 .05 -1 -1 0.00667 0.000651 10 -1 .856 1.1 1 .06 51.2 -20.200590133667 .172539323568344 -4.07686233520508 2.5 10 .2 1 66 81 ; periodic attractor (torus breakdown route)
i 1 + 20 1024 0.05 -1 -1 0.00667 0.000651 10 -1 0.856 1.1 1 0.1 153.6 21.12496758 0.03001749 0.515828669 2.5 10 0.2 1 66 81 ; torus attractor (torus breakdown route)'
</CsScore>
</CsoundSynthesizer>
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