.. _example_decomposition_plot_ica_blind_source_separation.py:


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Blind source separation using FastICA
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:ref:`ICA` is used to estimate sources given noisy measurements.
Imagine 2 instruments playing simultaneously and 2 microphones
recording the mixed signals. ICA is used to recover the sources
ie. what is played by each instrument.




.. image:: images/plot_ica_blind_source_separation_1.png
    :align: center




**Python source code:** :download:`plot_ica_blind_source_separation.py <plot_ica_blind_source_separation.py>`

.. literalinclude:: plot_ica_blind_source_separation.py
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