AudioEffectLimiter

已弃用: Use AudioEffectHardLimiter instead.

继承: AudioEffect < Resource < RefCounted < Object

Adds a soft-clip limiter audio effect to an Audio bus.

描述

A limiter is similar to a compressor, but it's less flexible and designed to disallow sound going over a given dB threshold. Adding one in the Master bus is always recommended to reduce the effects of clipping.

Soft clipping starts to reduce the peaks a little below the threshold level and progressively increases its effect as the input level increases such that the threshold is never exceeded.

属性


属性说明

float ceiling_db = -0.1

  • void set_ceiling_db ( value: float )
  • float get_ceiling_db ( )

The waveform's maximum allowed value, in decibels. Value can range from -20 to -0.1.


float soft_clip_db = 2.0

  • void set_soft_clip_db ( value: float )
  • float get_soft_clip_db ( )

Applies a gain to the limited waves, in decibels. Value can range from 0 to 6.


float soft_clip_ratio = 10.0

  • void set_soft_clip_ratio ( value: float )
  • float get_soft_clip_ratio ( )

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float threshold_db = 0.0

  • void set_threshold_db ( value: float )
  • float get_threshold_db ( )

Threshold from which the limiter begins to be active, in decibels. Value can range from -30 to 0.

1

本方法通常需要用户覆盖才能生效。

2

本方法无副作用,不会修改该实例的任何成员变量。

3

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。

4

本方法用于构造某个类型。

5

调用本方法无需实例,可直接使用类名进行调用。

6

本方法描述的是使用本类型作为左操作数的有效运算符。

7

这个值是由下列位标志构成位掩码的整数。

8

无返回值。