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The General (2nd-Order) block gives access to a wide variety of 2nd-order (biquad)filter algorithms along with equalization. Blend factor and slew rate modifications are common for all the stages.
The available filter types are:
To open the filter control window, click on the icon button. Select the desired filter type from the drop-down combo-box list. The filter controls and the icon button image will change to reflect the selected filter type.
General Equalizer module with Single Ext blend factor(General Eq Ext Blend).
Name | ADSP-214xx(Sample) | ADSP-214xx(Block) | ADSP-215xx/ADSP-SC5xx(Sample) | ADSP-215xx/ADSP-SC5xx(Block) |
---|---|---|---|---|
GeneralEqSingleBlend | Yes | Yes | Yes | Yes |
Name | Type | Description |
---|---|---|
Input0 | Audio | Input Channel 0 |
Blend0 | Control | External Blend pin for SingleEqExtBlend variant |
Name | Type | Description |
---|---|---|
Output0 | Audio | Output channel 0 |
GUI Parameter Name | Default Value | Range | Function Description |
---|---|---|---|
Frequency | 1000 | 0 to 96000Hz | Cut-off frequency |
Gain | 0 dB | -10 to +10 dB | Filter Gain |
Q | 1.41 | 1 to 15 | Q factor of the filter |
NumChannels | 1 | 1 to 20 | Increases or decreases the number of input and output channels. Changing this requires re-compilation |
NumStages | 1 | 1 to 20 | Increases or decreases the number of filter stages. Changing this requires re-compilation |
Blend | 0 | 0 to 1 | Blend factor for the equalizer module |
SlewRate | 0.01 | 1 to 1 | Defines the rate at which input takes the new value |
Parameter Name | Description | ADSP-214xx/SC5xx/215xx |
---|---|---|
Stage0_B0 | B0 Filter Coefficient | Float |
Stage0_B1 | B1 Filter Coefficient | Float |
Stage0_B2 | B2 Filter Coefficient | Float |
Stage0_A1 | A1 Filter Coefficient | Float |
Stage0_A2 | A2 Filter Coefficient | Float |
Here,