Enumeration

AVAudioUnitEQFilterType

Filter types available to use with the filterType property.

Declaration

typedef enum AVAudioUnitEQFilterType : NSInteger {
    ...
} AVAudioUnitEQFilterType;

Topics

Enumeration Cases

AVAudioUnitEQFilterTypeParametric

Parametric filter based on Butterworth analog prototype.

AVAudioUnitEQFilterTypeLowPass

A simple Butterworth second-order low-pass filter.

AVAudioUnitEQFilterTypeHighPass

A simple Butterworth second-order high-pass filter.

AVAudioUnitEQFilterTypeResonantLowPass

Low-pass filter with resonance support (using the bandwidth parameter).

AVAudioUnitEQFilterTypeResonantHighPass

High-pass filter with resonance support (using the bandwidth parameter).

AVAudioUnitEQFilterTypeBandStop

A band-stop filter (“notch filter”).

AVAudioUnitEQFilterTypeResonantLowShelf

Low-shelf filter with resonance support (using the bandwidth parameter).

AVAudioUnitEQFilterTypeResonantHighShelf

A high-shelf filter with resonance support (using the bandwidth parameter).