godot-docs/classes/class_audioeffectreverb.rst

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.. _class_AudioEffectReverb:

AudioEffectReverb
=================

**Inherits:** :ref:`AudioEffect<class_AudioEffect>` **<** :ref:`Resource<class_Resource>` **<** :ref:`RefCounted<class_RefCounted>` **<** :ref:`Object<class_Object>`

Adds a reverberation audio effect to an Audio bus.

Description
-----------

Simulates the sound of acoustic environments such as rooms, concert halls, caverns, or an open spaces.

Tutorials
---------

- :doc:`Audio buses <../tutorials/audio/audio_buses>`

- `Third Person Shooter Demo <https://godotengine.org/asset-library/asset/678>`__

Properties
----------

+---------------------------+------------------------------------------------------------------------------+-----------+
| :ref:`float<class_float>` | :ref:`damping<class_AudioEffectReverb_property_damping>`                     | ``0.5``   |
+---------------------------+------------------------------------------------------------------------------+-----------+
| :ref:`float<class_float>` | :ref:`dry<class_AudioEffectReverb_property_dry>`                             | ``1.0``   |
+---------------------------+------------------------------------------------------------------------------+-----------+
| :ref:`float<class_float>` | :ref:`hipass<class_AudioEffectReverb_property_hipass>`                       | ``0.0``   |
+---------------------------+------------------------------------------------------------------------------+-----------+
| :ref:`float<class_float>` | :ref:`predelay_feedback<class_AudioEffectReverb_property_predelay_feedback>` | ``0.4``   |
+---------------------------+------------------------------------------------------------------------------+-----------+
| :ref:`float<class_float>` | :ref:`predelay_msec<class_AudioEffectReverb_property_predelay_msec>`         | ``150.0`` |
+---------------------------+------------------------------------------------------------------------------+-----------+
| :ref:`float<class_float>` | :ref:`room_size<class_AudioEffectReverb_property_room_size>`                 | ``0.8``   |
+---------------------------+------------------------------------------------------------------------------+-----------+
| :ref:`float<class_float>` | :ref:`spread<class_AudioEffectReverb_property_spread>`                       | ``1.0``   |
+---------------------------+------------------------------------------------------------------------------+-----------+
| :ref:`float<class_float>` | :ref:`wet<class_AudioEffectReverb_property_wet>`                             | ``0.5``   |
+---------------------------+------------------------------------------------------------------------------+-----------+

Property Descriptions
---------------------

.. _class_AudioEffectReverb_property_damping:

- :ref:`float<class_float>` **damping**

+-----------+--------------------+
| *Default* | ``0.5``            |
+-----------+--------------------+
| *Setter*  | set_damping(value) |
+-----------+--------------------+
| *Getter*  | get_damping()      |
+-----------+--------------------+

Defines how reflective the imaginary room's walls are. Value can range from 0 to 1.

----

.. _class_AudioEffectReverb_property_dry:

- :ref:`float<class_float>` **dry**

+-----------+----------------+
| *Default* | ``1.0``        |
+-----------+----------------+
| *Setter*  | set_dry(value) |
+-----------+----------------+
| *Getter*  | get_dry()      |
+-----------+----------------+

Output percent of original sound. At 0, only modified sound is outputted. Value can range from 0 to 1.

----

.. _class_AudioEffectReverb_property_hipass:

- :ref:`float<class_float>` **hipass**

+-----------+----------------+
| *Default* | ``0.0``        |
+-----------+----------------+
| *Setter*  | set_hpf(value) |
+-----------+----------------+
| *Getter*  | get_hpf()      |
+-----------+----------------+

High-pass filter passes signals with a frequency higher than a certain cutoff frequency and attenuates signals with frequencies lower than the cutoff frequency. Value can range from 0 to 1.

----

.. _class_AudioEffectReverb_property_predelay_feedback:

- :ref:`float<class_float>` **predelay_feedback**

+-----------+------------------------------+
| *Default* | ``0.4``                      |
+-----------+------------------------------+
| *Setter*  | set_predelay_feedback(value) |
+-----------+------------------------------+
| *Getter*  | get_predelay_feedback()      |
+-----------+------------------------------+

Output percent of predelay. Value can range from 0 to 1.

----

.. _class_AudioEffectReverb_property_predelay_msec:

- :ref:`float<class_float>` **predelay_msec**

+-----------+--------------------------+
| *Default* | ``150.0``                |
+-----------+--------------------------+
| *Setter*  | set_predelay_msec(value) |
+-----------+--------------------------+
| *Getter*  | get_predelay_msec()      |
+-----------+--------------------------+

Time between the original signal and the early reflections of the reverb signal, in milliseconds.

----

.. _class_AudioEffectReverb_property_room_size:

- :ref:`float<class_float>` **room_size**

+-----------+----------------------+
| *Default* | ``0.8``              |
+-----------+----------------------+
| *Setter*  | set_room_size(value) |
+-----------+----------------------+
| *Getter*  | get_room_size()      |
+-----------+----------------------+

Dimensions of simulated room. Bigger means more echoes. Value can range from 0 to 1.

----

.. _class_AudioEffectReverb_property_spread:

- :ref:`float<class_float>` **spread**

+-----------+-------------------+
| *Default* | ``1.0``           |
+-----------+-------------------+
| *Setter*  | set_spread(value) |
+-----------+-------------------+
| *Getter*  | get_spread()      |
+-----------+-------------------+

Widens or narrows the stereo image of the reverb tail. 1 means fully widens. Value can range from 0 to 1.

----

.. _class_AudioEffectReverb_property_wet:

- :ref:`float<class_float>` **wet**

+-----------+----------------+
| *Default* | ``0.5``        |
+-----------+----------------+
| *Setter*  | set_wet(value) |
+-----------+----------------+
| *Getter*  | get_wet()      |
+-----------+----------------+

Output percent of modified sound. At 0, only original sound is outputted. Value can range from 0 to 1.

.. |virtual| replace:: :abbr:`virtual (This method should typically be overridden by the user to have any effect.)`
.. |const| replace:: :abbr:`const (This method has no side effects. It doesn't modify any of the instance's member variables.)`
.. |vararg| replace:: :abbr:`vararg (This method accepts any number of arguments after the ones described here.)`
.. |constructor| replace:: :abbr:`constructor (This method is used to construct a type.)`
.. |static| replace:: :abbr:`static (This method doesn't need an instance to be called, so it can be called directly using the class name.)`
.. |operator| replace:: :abbr:`operator (This method describes a valid operator to use with this type as left-hand operand.)`