godot-docs/classes/class_audioeffectdelay.rst

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.. _class_AudioEffectDelay:

AudioEffectDelay
================

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

Adds a delay audio effect to an audio bus. Plays input signal back after a period of time.

Two tap delay and feedback options.

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

Plays input signal back after a period of time. The delayed signal may be played back multiple times to create the sound of a repeating, decaying echo. Delay effects range from a subtle echo effect to a pronounced blending of previous sounds with new sounds.

Tutorials
---------

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

Properties
----------

+---------------------------+-----------------------------------------------------------------------------+-------------+
| :ref:`float<class_float>` | :ref:`dry<class_AudioEffectDelay_property_dry>`                             | ``1.0``     |
+---------------------------+-----------------------------------------------------------------------------+-------------+
| :ref:`bool<class_bool>`   | :ref:`feedback/active<class_AudioEffectDelay_property_feedback/active>`     | ``false``   |
+---------------------------+-----------------------------------------------------------------------------+-------------+
| :ref:`float<class_float>` | :ref:`feedback/delay_ms<class_AudioEffectDelay_property_feedback/delay_ms>` | ``340.0``   |
+---------------------------+-----------------------------------------------------------------------------+-------------+
| :ref:`float<class_float>` | :ref:`feedback/level_db<class_AudioEffectDelay_property_feedback/level_db>` | ``-6.0``    |
+---------------------------+-----------------------------------------------------------------------------+-------------+
| :ref:`float<class_float>` | :ref:`feedback/lowpass<class_AudioEffectDelay_property_feedback/lowpass>`   | ``16000.0`` |
+---------------------------+-----------------------------------------------------------------------------+-------------+
| :ref:`bool<class_bool>`   | :ref:`tap1/active<class_AudioEffectDelay_property_tap1/active>`             | ``true``    |
+---------------------------+-----------------------------------------------------------------------------+-------------+
| :ref:`float<class_float>` | :ref:`tap1/delay_ms<class_AudioEffectDelay_property_tap1/delay_ms>`         | ``250.0``   |
+---------------------------+-----------------------------------------------------------------------------+-------------+
| :ref:`float<class_float>` | :ref:`tap1/level_db<class_AudioEffectDelay_property_tap1/level_db>`         | ``-6.0``    |
+---------------------------+-----------------------------------------------------------------------------+-------------+
| :ref:`float<class_float>` | :ref:`tap1/pan<class_AudioEffectDelay_property_tap1/pan>`                   | ``0.2``     |
+---------------------------+-----------------------------------------------------------------------------+-------------+
| :ref:`bool<class_bool>`   | :ref:`tap2/active<class_AudioEffectDelay_property_tap2/active>`             | ``true``    |
+---------------------------+-----------------------------------------------------------------------------+-------------+
| :ref:`float<class_float>` | :ref:`tap2/delay_ms<class_AudioEffectDelay_property_tap2/delay_ms>`         | ``500.0``   |
+---------------------------+-----------------------------------------------------------------------------+-------------+
| :ref:`float<class_float>` | :ref:`tap2/level_db<class_AudioEffectDelay_property_tap2/level_db>`         | ``-12.0``   |
+---------------------------+-----------------------------------------------------------------------------+-------------+
| :ref:`float<class_float>` | :ref:`tap2/pan<class_AudioEffectDelay_property_tap2/pan>`                   | ``-0.4``    |
+---------------------------+-----------------------------------------------------------------------------+-------------+

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

.. _class_AudioEffectDelay_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 delayed sounds are output. Value can range from 0 to 1.

----

.. _class_AudioEffectDelay_property_feedback/active:

- :ref:`bool<class_bool>` **feedback/active**

+-----------+----------------------------+
| *Default* | ``false``                  |
+-----------+----------------------------+
| *Setter*  | set_feedback_active(value) |
+-----------+----------------------------+
| *Getter*  | is_feedback_active()       |
+-----------+----------------------------+

If ``true``, feedback is enabled.

----

.. _class_AudioEffectDelay_property_feedback/delay_ms:

- :ref:`float<class_float>` **feedback/delay_ms**

+-----------+------------------------------+
| *Default* | ``340.0``                    |
+-----------+------------------------------+
| *Setter*  | set_feedback_delay_ms(value) |
+-----------+------------------------------+
| *Getter*  | get_feedback_delay_ms()      |
+-----------+------------------------------+

Feedback delay time in milliseconds.

----

.. _class_AudioEffectDelay_property_feedback/level_db:

- :ref:`float<class_float>` **feedback/level_db**

+-----------+------------------------------+
| *Default* | ``-6.0``                     |
+-----------+------------------------------+
| *Setter*  | set_feedback_level_db(value) |
+-----------+------------------------------+
| *Getter*  | get_feedback_level_db()      |
+-----------+------------------------------+

Sound level for ``tap1``.

----

.. _class_AudioEffectDelay_property_feedback/lowpass:

- :ref:`float<class_float>` **feedback/lowpass**

+-----------+-----------------------------+
| *Default* | ``16000.0``                 |
+-----------+-----------------------------+
| *Setter*  | set_feedback_lowpass(value) |
+-----------+-----------------------------+
| *Getter*  | get_feedback_lowpass()      |
+-----------+-----------------------------+

Low-pass filter for feedback, in Hz. Frequencies below this value are filtered out of the source signal.

----

.. _class_AudioEffectDelay_property_tap1/active:

- :ref:`bool<class_bool>` **tap1/active**

+-----------+------------------------+
| *Default* | ``true``               |
+-----------+------------------------+
| *Setter*  | set_tap1_active(value) |
+-----------+------------------------+
| *Getter*  | is_tap1_active()       |
+-----------+------------------------+

If ``true``, ``tap1`` will be enabled.

----

.. _class_AudioEffectDelay_property_tap1/delay_ms:

- :ref:`float<class_float>` **tap1/delay_ms**

+-----------+--------------------------+
| *Default* | ``250.0``                |
+-----------+--------------------------+
| *Setter*  | set_tap1_delay_ms(value) |
+-----------+--------------------------+
| *Getter*  | get_tap1_delay_ms()      |
+-----------+--------------------------+

``tap1`` delay time in milliseconds.

----

.. _class_AudioEffectDelay_property_tap1/level_db:

- :ref:`float<class_float>` **tap1/level_db**

+-----------+--------------------------+
| *Default* | ``-6.0``                 |
+-----------+--------------------------+
| *Setter*  | set_tap1_level_db(value) |
+-----------+--------------------------+
| *Getter*  | get_tap1_level_db()      |
+-----------+--------------------------+

Sound level for ``tap1``.

----

.. _class_AudioEffectDelay_property_tap1/pan:

- :ref:`float<class_float>` **tap1/pan**

+-----------+---------------------+
| *Default* | ``0.2``             |
+-----------+---------------------+
| *Setter*  | set_tap1_pan(value) |
+-----------+---------------------+
| *Getter*  | get_tap1_pan()      |
+-----------+---------------------+

Pan position for ``tap1``. Value can range from -1 (fully left) to 1 (fully right).

----

.. _class_AudioEffectDelay_property_tap2/active:

- :ref:`bool<class_bool>` **tap2/active**

+-----------+------------------------+
| *Default* | ``true``               |
+-----------+------------------------+
| *Setter*  | set_tap2_active(value) |
+-----------+------------------------+
| *Getter*  | is_tap2_active()       |
+-----------+------------------------+

If ``true``, ``tap2`` will be enabled.

----

.. _class_AudioEffectDelay_property_tap2/delay_ms:

- :ref:`float<class_float>` **tap2/delay_ms**

+-----------+--------------------------+
| *Default* | ``500.0``                |
+-----------+--------------------------+
| *Setter*  | set_tap2_delay_ms(value) |
+-----------+--------------------------+
| *Getter*  | get_tap2_delay_ms()      |
+-----------+--------------------------+

**Tap2** delay time in milliseconds.

----

.. _class_AudioEffectDelay_property_tap2/level_db:

- :ref:`float<class_float>` **tap2/level_db**

+-----------+--------------------------+
| *Default* | ``-12.0``                |
+-----------+--------------------------+
| *Setter*  | set_tap2_level_db(value) |
+-----------+--------------------------+
| *Getter*  | get_tap2_level_db()      |
+-----------+--------------------------+

Sound level for ``tap2``.

----

.. _class_AudioEffectDelay_property_tap2/pan:

- :ref:`float<class_float>` **tap2/pan**

+-----------+---------------------+
| *Default* | ``-0.4``            |
+-----------+---------------------+
| *Setter*  | set_tap2_pan(value) |
+-----------+---------------------+
| *Getter*  | get_tap2_pan()      |
+-----------+---------------------+

Pan position for ``tap2``. Value can range from -1 (fully left) to 1 (fully right).

.. |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.)`