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filterType=0, Simple pass through with unity gain.
filterType=1, Linear gainGain in dB. [gain].
filterType=2, 1st order Butterworth low pass filter. [freq].
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Code Block |
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typedef struct _ModuleSOFControlHP { ModuleInstanceDescriptor instance; // Common Audio Weaver module instance structure INT32 filterType; // Selects the type of filter that is implemented by the module: Bypass=0, Gain=1, Butter1stLPF=2, Butter2ndLPF=3, Butter1stHPF=4, Butter2ndHPF=5, Allpass1st=6, Allpass2nd=7, Shelf2ndLow=8, Shelf2ndLowQ=9, Shelf2ndHigh=10, Shelf2ndHighQ=11, PeakEQ=12, Notch=13, Bandpass=14, Bessel1stLPF=15, Bessel1stHPF=16, AsymShelf1stLow=17, AsymShelf1stHigh=18, SymShelf1stLow=19, SymShelf1stHigh=20. FLOAT32 freq; // Cutoff frequency of the filter, in Hz. FLOAT32 gain; // Amount of boost or cut to apply, in dB if applicable. FLOAT32 Q; // Specifies the Q of the filter, if applicable. FLOAT32 smoothingTime; // Time constant of the smoothing process. INT32 updateActive; // Specifies whether the filter coefficients are updating (=1) or fixed (=0). FLOAT32 smoothingCoeff; // Smoothing coefficient. This is computed based on the smoothingTime, sample rate, and block size of the module. UINT32 pinID; // Specifies which control pins are available. FLOAT32* targetCoeffs; // Array of filter target coefficients. The size of the array is 5 and contains the variables for a biquad arranged as [Fb; Gaa; Gab; K; Fa]. FLOAT32* currentCoeffs; // Array of filter current coefficients. The size of the array is 5 and contains the variables for a biquad arranged as [Fb; Gaa; Gab; K; Fa]. FLOAT32* state; // State variables. 2 per channel. } ModuleSOFControlHPClass; |
Variables
Properties
Name | Type | Usage | isHidden | Default value | Range | Units |
filterType | int | parameter | 0 | 0 | 0:22 | |
freq | float | state | 0 | 250 | 9.6:0.1:23760 | Hz |
gain | float | state | 0 | 0 | -24:0.1:24 | dB |
Q | float | state | 0 | 1 | 0:0.1:20 | |
smoothingTime | float | parameter | 0 | 10 | 0:1:1000 | msec |
updateActive | int | parameter | 1 | 1 | 0:1 | |
smoothingCoeff | float | derived | 1 | 0.06449 | Unrestricted | |
pinID | uint | const | 1 | 7 | Unrestricted | |
targetCoeffs | float* | derived | 0 | [5 x 1] | Unrestricted | |
currentCoeffs | float* | state | 0 | [5 x 1] | Unrestricted | |
state | float* | state | 1 | [2 x 1] | Unrestricted |
Pins
Input Pins
Name: freqPin
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