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.. _ezb_sound:

Sound Effect
=======================

In this example, we use PiCrawler's (to be precise, Robot HAT's) sound effects. It consists of three parts, namely **Muisc**, **Sound**, **Text to Speech**.

.. image:: ../python/img/tts.png

**Program**

.. note::

    * You can write the program according to the following picture, please refer to the tutorial: :ref:`ezblock:create_project_latest`.
    * Or find the code with the same name on the **Examples** page of the EzBlock Studio and click **Run** or **Edit** directly.

.. image:: img/soundeff.png

Switch to the Remote Control interface, and you will see the following widgets.

.. image:: img/soundeff_B.png

After the program is running, you can press different buttons to make PiCrawler sound.

**How it works?**

Functions related to background music include these:

.. image:: img/sp210928_101816.png

Functions related to sound effects include these:

.. image:: img/sp210928_101727.png


Functions related to Text to Speech include these:

.. image:: img/sp210928_101609.png