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Viewing changes to examples/synthesis/05_ring_mod_class.py

  • Committer: Package Import Robot
  • Author(s): Tiago Bortoletto Vaz
  • Date: 2012-06-08 20:35:45 UTC
  • Revision ID: package-import@ubuntu.com-20120608203545-4z7kcf2lgvpsk18y
Tags: upstream-0.6.1
Import upstream version 0.6.1

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examples/synthesis/05_ring_mod_class.py
 
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#!/usr/bin/env python
 
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# encoding: utf-8
 
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"""
 
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Ring modulators used as exciter of a waveguide bank.
 
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"""
 
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from pyo import *
 
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s = Server().boot()
 
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tab_m = HarmTable([1,0,0,0,0,.3,0,0,0,0,0,.2,0,0,0,0,0,.1,0,0,0,0,.05]).normalize()
 
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tab_p = HarmTable([1,0,.33,0,.2,0,.143,0,.111])
 
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class Ring:
 
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    def __init__(self, fport=250, fmod=100, amp=.3):
 
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        self.mod = Osc(tab_m, freq=fmod, mul=amp)
 
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        self.port = Osc(tab_p, freq=fport, mul=self.mod)
 
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    def out(self):
 
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        self.port.out()
 
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        return self
 
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    def sig(self):
 
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        return self.port
 
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lf = Sine(.03, mul=.5, add=1)
 
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rg = Ring(fport = [random.choice([62.5,125,187.5,250]) * random.uniform(.99,1.01) for i in range(8)],
 
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          fmod = lf * [random.choice([25,50,75,100]) * random.uniform(.99,1.01) for i in range(8)],
 
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          amp = 0.1)
 
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res = Waveguide(rg.sig(), freq=[30.1,60.05,119.7,181,242.5,303.33], dur=30, mul=.1).out()
 
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s.gui(locals())
 
 
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