02-sine-tone.py - The "hello world" of audio programming!
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This script simply plays a 1000 Hz sine tone.

.. code-block:: python

    from pyo import *
    
    # Creates and boots the server.
    # The user should send the "start" command from the GUI.
    s = Server().boot()
    # Drops the gain by 20 dB.
    s.amp = 0.1
    
    # Creates a sine wave player.
    # The out() method starts the processing
    # and sends the signal to the output.
    a = Sine().out()
    
    # Opens the server graphical interface.
    s.gui(locals())