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AVAudioUnitEQFilterParametersMBS class

Type Topic Plugin Version macOS Windows Linux Console & Web iOS
class AVFoundationNode MBS AVFoundation Plugin 15.3 Yes No No Yes, macOS only No
Function: The AVAudioUnitEQFilterParameters class encapsulates the parameters used by an AVAudioUnitEQ instance.
Notes: This is an abstract class. You can't create an instance, but you can get one from various plugin functions.

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Filter Types

Constant Value Description
FilterTypeBandPass 5 Band pass filter. The required parameters are: frequency (center) and bandwidth.
FilterTypeBandStop 6 Band stop filter (“notch filter”). The required parameters are: frequency (center) and bandwidth.
FilterTypeHighPass 2 Simple Butterworth 2nd order high pass filter. The required parameters are: frequency (-3 dB cutoff at specified frequency).
FilterTypeHighShelf 8 High shelf filter. The required parameters are: frequency (center) and gain.
FilterTypeLowPass 1 Simple Butterworth 2nd order low pass filter. The required parameters are: frequency (-3 dB cutoff at specified frequency).
FilterTypeLowShelf 7 Low shelf filter. The required parameters are: frequency (center) and gain.
FilterTypeParametric 0 Parametric filter based on Butterworth analog prototype. The required parameters are: frequency (center), bandwidth, and gain.
FilterTypeResonantHighPass 4 High pass filter with resonance support (using the bandwidth parameter). The required parameters are: frequency (-3 dB cutoff at specified frequency) and bandwidth.
FilterTypeResonantHighShelf 10 High shelf filter with resonance support (using the bandwidth parameter). The required parameters are: frequency (center), bandwidth, and gain.
FilterTypeResonantLowPass 3 Low pass filter with resonance support (using the bandwidth parameter). The required parameters are: frequency (-3 dB cutoff at specified frequency) and bandwidth.
FilterTypeResonantLowShelf 9 Low shelf filter with resonance support (using the bandwidth parameter). The required parameters are: frequency (center), bandwidth, and gain.

This class has no sub classes.

Some methods using this class:

Some properties using for this class:


The items on this page are in the following plugins: MBS AVFoundation Plugin.


AVAudioUnitEffectMBS   -   AVAudioUnitEQMBS




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