.. currentmodule:: brian

.. index::
   pair: example usage; whitenoise
   pair: example usage; play
   pair: example usage; tone

.. _example-hears_sounds:

Example: sounds (hears)
=======================

Example of basic use and manipulation of sounds with Brian hears.

::

    from brian import *
    from brian.hears import *
    
    sound1 = tone(1*kHz, 1*second)
    sound2 = whitenoise(1*second)
    
    sound = sound1+sound2
    sound = sound.ramp()
    
    # Comment this line out if you don't have pygame installed
    sound.play()
    
    # The first 20ms of the sound
    startsound = sound[:20*ms]
    
    subplot(121)
    plot(startsound.times, startsound)
    subplot(122)
    sound.spectrogram()
    show()