/
fridge.py
161 lines (127 loc) · 3.51 KB
/
fridge.py
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#!/usr/bin/python
import random
import datetime
import os
scriptname = os.path.basename(__file__)
"""
Copyright (c) 2019 by Frank Holger Rothkamm.
psychostochastics - classic csound - humanized random distributions
------------------------------------------------------------------------------
"""
orchestra = '''
sr = 44100
kr = 4410
ksmps = 10
nchnls = 2
galeft init 0
garight init 0
instr 1
idur = p3
iamp = ampdb(p4)
ifreq = p5 ; 1x - negative backwards
iat = p6
irel = p7
ipanStart = p8
ipanEnd = p9
iskiptime = p10
irevSend = p11
kpan linseg ipanStart, idur, ipanEnd
aAmpEnv linseg 0, iat, iamp, irel, 0
aLFO lfo 990, 5, 0 ; itype
aIn diskin2 "../WAV/fridge.wav", ifreq, iskiptime, 1
aLeft = aIn * kpan * aAmpEnv
aRight = aIn * (1 - kpan) * aAmpEnv
outs aLeft, aRight
galeft = galeft + aIn * kpan * irevSend
garight = garight + aIn * (1 - kpan) * irevSend
endin
instr 99 ; global reverb ----------------------------
irvbtime = p4
aleft, aright reverbsc galeft, garight, irvbtime, 18000, sr, 0.8, 1
; aright, aleft reverbsc garight, galeft, irvbtime, 18000, sr, 0.8, 1
outs aright, aleft
galeft = 0
garight = 0
endin
'''
# now = datetime.datetime.now()
# score
# name = scriptname # + now.strftime("%Y%m%d")
start = 0
duration = 0
events = 1600
minfreq = 2
devfreq = 1
attack = 50
maxdb = 30
mindb = -30
panStart = 1
panEnd = 1
total = 900*4
revSend = 0.6
skiptime = 500
revTime = 0.94
def RndFreq(): return round(random.gauss(minfreq,devfreq), 3)
def RndEnvelope():
global start
start = random.uniform(0,total)
#start = abs(random.gauss(total/2,total/5))
global duration
#duration = max(random.gammavariate(120,60),0.01)
duration = max(random.uniform(0,60),0.01)
global at
global attack
at = random.uniform(0,attack*duration/100)
global release
release = duration - at
if release < 0.01:
duration = duration + 0.01
release = 0.01
def GenerateEnvelope():
RndEnvelope()
while start + duration > total:
RndEnvelope()
def RndDb(): return random.uniform(mindb,maxdb)
def RndpanStart(): return random.uniform(0,panStart)
def RndpanEnd(): return random.uniform(0,panEnd)
def RndrevSend(): return random.uniform(0,revSend)
def Rndskiptime(): return random.uniform(0.4,skiptime)
scoreHeader = ""
scoreHeader += ("; Reverb , LFO \n"
"i99 0 " + `total+revTime*3` + " " + `revTime` + " \n"
"\n \n")
scoreData = ""
for i in range(events):
GenerateEnvelope()
scoreData += "i1 " + \
" %4.3f" % start + \
" %4.3f" % duration + \
" %4.3f" % RndDb() + \
" %4.3f" % RndFreq() + \
" %4.3f" % at + \
" %4.3f" % release + \
" %4.3f" % RndpanStart() + \
" %4.3f" % RndpanEnd() + \
" %4.3f" % Rndskiptime() + \
" %4.3f" % RndrevSend() + "\n"
csd = ""
csd += ("<CsoundSynthesizer> \n"
"<CsOptions> \n"
"</CsOptions> \n"
"<CsInstruments> \n"
+ orchestra +
"</CsInstruments> \n"
"<CsScore> \n"
+ scoreHeader
+ scoreData +
"e \n"
"</CsScore> \n"
"</CsoundSynthesizer>")
scorename = scriptname + ".csd"
i = 0
while os.path.isfile(scorename):
i = i + 1
scorename = "CSD/" + scriptname + "." + `i` + ".csd"
f = open(scorename, 'w')
f.write(csd)
print scorename