AudioEffectFilter (original) (raw)

Inherits: AudioEffect < Resource < RefCounted < Object

Inherited By: AudioEffectBandLimitFilter, AudioEffectBandPassFilter, AudioEffectHighPassFilter, AudioEffectHighShelfFilter, AudioEffectLowPassFilter, AudioEffectLowShelfFilter, AudioEffectNotchFilter

Adds a filter to the audio bus.

Description

Allows frequencies other than the cutoff_hz to pass.

Tutorials

Properties

float cutoff_hz 2000.0
FilterDB db 0
float gain 1.0
float resonance 0.5

Enumerations

enum FilterDB: 🔗

FilterDB FILTER_6DB = 0

Cutting off at 6dB per octave.

FilterDB FILTER_12DB = 1

Cutting off at 12dB per octave.

FilterDB FILTER_18DB = 2

Cutting off at 18dB per octave.

FilterDB FILTER_24DB = 3

Cutting off at 24dB per octave.


Property Descriptions

float cutoff_hz = 2000.0 🔗

Threshold frequency for the filter, in Hz.


FilterDB db = 0 🔗

Steepness of the cutoff curve in dB per octave, also known as the order of the filter. Higher orders have a more aggressive cutoff.


float gain = 1.0 🔗

Gain amount of the frequencies after the filter.


float resonance = 0.5 🔗

Amount of boost in the frequency range near the cutoff frequency.