01-fixed-control.py - Number as argument. — Pyo 1.0.4 documentation

Pyo 1.0.4 documentation

# 01-fixed-control.py - Number as argument.

Audio objects behaviour can be controlled by passing value to their arguments at initialization time.

    from pyo import *

    s = Server().boot()
    s.amp = 0.1

    # Sets fundamental frequency
    freq = 200

    # Approximates a triangle waveform by adding odd harmonics with
    # amplitude proportional to the inverse square of the harmonic number.
    h1 = Sine(freq=freq, mul=1).out()
    h2 = Sine(freq=freq * 3, phase=0.5, mul=1.0 / pow(3, 2)).out()
    h3 = Sine(freq=freq * 5, mul=1.0 / pow(5, 2)).out()
    h4 = Sine(freq=freq * 7, phase=0.5, mul=1.0 / pow(7, 2)).out()
    h5 = Sine(freq=freq * 9, mul=1.0 / pow(9, 2)).out()
    h6 = Sine(freq=freq * 11, phase=0.5, mul=1.0 / pow(11, 2)).out()

    # Displays the final waveform
    sp = Scope(h1 + h2 + h3 + h4 + h5 + h6)

    s.gui(locals())