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132 lines
5.1 KiB
ReStructuredText
132 lines
5.1 KiB
ReStructuredText
:github_url: hide
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.. _class_AudioEffectLimiter:
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AudioEffectLimiter
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==================
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**已弃用：** Use :ref:`AudioEffectHardLimiter<class_AudioEffectHardLimiter>` instead.
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**继承：** :ref:`AudioEffect<class_AudioEffect>` **<** :ref:`Resource<class_Resource>` **<** :ref:`RefCounted<class_RefCounted>` **<** :ref:`Object<class_Object>`
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为音频总线添加一个软剪辑限制器音频效果。
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.. rst-class:: classref-introduction-group
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描述
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----
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限制器类似于压缩器，但灵活性较差，并且设计为不允许声音超过给定的 dB 阈值。始终建议在主总线中添加一个以减少削波的影响。
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软削波开始将峰值降低到略低于阈值水平，并随着输入水平的增加而逐渐增强其效果，从而永不超过阈值。
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.. rst-class:: classref-introduction-group
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教程
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----
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- :doc:`音频总线 <../tutorials/audio/audio_buses>`
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.. rst-class:: classref-reftable-group
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属性
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----
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.. table::
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:widths: auto
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+---------------------------+---------------------------------------------------------------------------+----------+
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| :ref:`float<class_float>` | :ref:`ceiling_db<class_AudioEffectLimiter_property_ceiling_db>` | ``-0.1`` |
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+---------------------------+---------------------------------------------------------------------------+----------+
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| :ref:`float<class_float>` | :ref:`soft_clip_db<class_AudioEffectLimiter_property_soft_clip_db>` | ``2.0`` |
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+---------------------------+---------------------------------------------------------------------------+----------+
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| :ref:`float<class_float>` | :ref:`soft_clip_ratio<class_AudioEffectLimiter_property_soft_clip_ratio>` | ``10.0`` |
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+---------------------------+---------------------------------------------------------------------------+----------+
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| :ref:`float<class_float>` | :ref:`threshold_db<class_AudioEffectLimiter_property_threshold_db>` | ``0.0`` |
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+---------------------------+---------------------------------------------------------------------------+----------+
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.. rst-class:: classref-section-separator
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----
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.. rst-class:: classref-descriptions-group
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属性说明
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--------
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.. _class_AudioEffectLimiter_property_ceiling_db:
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.. rst-class:: classref-property
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:ref:`float<class_float>` **ceiling_db** = ``-0.1`` :ref:`🔗<class_AudioEffectLimiter_property_ceiling_db>`
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.. rst-class:: classref-property-setget
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- |void| **set_ceiling_db**\ (\ value\: :ref:`float<class_float>`\ )
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- :ref:`float<class_float>` **get_ceiling_db**\ (\ )
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波形的最大允许值，单位是分贝。数值范围从 -20 到 -0.1。
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.. rst-class:: classref-item-separator
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----
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.. _class_AudioEffectLimiter_property_soft_clip_db:
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.. rst-class:: classref-property
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:ref:`float<class_float>` **soft_clip_db** = ``2.0`` :ref:`🔗<class_AudioEffectLimiter_property_soft_clip_db>`
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.. rst-class:: classref-property-setget
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- |void| **set_soft_clip_db**\ (\ value\: :ref:`float<class_float>`\ )
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- :ref:`float<class_float>` **get_soft_clip_db**\ (\ )
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将增益应用于被限制的波，以分贝为单位。取值范围是 0 到 6。
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.. rst-class:: classref-item-separator
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----
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.. _class_AudioEffectLimiter_property_soft_clip_ratio:
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.. rst-class:: classref-property
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:ref:`float<class_float>` **soft_clip_ratio** = ``10.0`` :ref:`🔗<class_AudioEffectLimiter_property_soft_clip_ratio>`
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.. rst-class:: classref-property-setget
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- |void| **set_soft_clip_ratio**\ (\ value\: :ref:`float<class_float>`\ )
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- :ref:`float<class_float>` **get_soft_clip_ratio**\ (\ )
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.. container:: contribute
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There is currently no description for this property. Please help us by `contributing one <https://contributing.godotengine.org/en/latest/documentation/class_reference.html>`__!
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.. rst-class:: classref-item-separator
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----
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.. _class_AudioEffectLimiter_property_threshold_db:
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.. rst-class:: classref-property
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:ref:`float<class_float>` **threshold_db** = ``0.0`` :ref:`🔗<class_AudioEffectLimiter_property_threshold_db>`
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.. rst-class:: classref-property-setget
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- |void| **set_threshold_db**\ (\ value\: :ref:`float<class_float>`\ )
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- :ref:`float<class_float>` **get_threshold_db**\ (\ )
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限制器开始生效的阈值，以分贝为单位。值的范围可以从 -30 到 0。
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.. |virtual| replace:: :abbr:`virtual (本方法通常需要用户覆盖才能生效。)`
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.. |required| replace:: :abbr:`required (This method is required to be overridden when extending its base class.)`
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.. |const| replace:: :abbr:`const (本方法无副作用，不会修改该实例的任何成员变量。)`
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.. |vararg| replace:: :abbr:`vararg (本方法除了能接受在此处描述的参数外，还能够继续接受任意数量的参数。)`
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.. |constructor| replace:: :abbr:`constructor (本方法用于构造某个类型。)`
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.. |static| replace:: :abbr:`static (调用本方法无需实例，可直接使用类名进行调用。)`
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.. |operator| replace:: :abbr:`operator (本方法描述的是使用本类型作为左操作数的有效运算符。)`
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.. |bitfield| replace:: :abbr:`BitField (这个值是由下列位标志构成位掩码的整数。)`
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.. |void| replace:: :abbr:`void (无返回值。)`
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