01-fixed-control.py - Number as argument. ============================================================================================================================================ Audio objects behaviour can be controlled by passing value to their arguments at initialization time. .. code-block:: python 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())