This version (18 May 2021 09:04) was approved by John Joseph.The Previously approved version (19 Jan 2021 05:50) is available.
Table of Contents
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Index Selectable Multiple Band
Description
The Index Selectable Multiple Band block provides a wide variety of 2nd-order filter algorithms.
The available filter types are:
- Low shelf filter
- High shelf filter
- Parametric filter
- Peaking filter
- First order low shelf filter
- First order high shelf filter
- Notch filter
- Band pass filter
- Band stop filter
- All pass filter
- High pass filter
- Low pass filter
Variants
- Index Selectable Multiple Band (1 Ch)
- Index Selectable Multiple Band (2 Ch)
Targets Supported
| Name | ADSP-214xx | ADSP-215xx/SC5xx | ADAU145x/146x |
|---|---|---|---|
| ——————————————————— | ——————-- | ——————————-- | —————————- |
| Index Selectable Multiple Band (1 Ch) | B/S | B/S | S |
| Index Selectable Multiple Band (2 Ch) | B/S | B/S | S |
Pins
Input
| Name | Type | Description |
|---|---|---|
| —————————— | —————————— | ———————————————— |
| IndexSelectInput0 | Control | Index of the selected frequency response curve |
| Input1 | Audio | Input to the filter |
Output
| Name | Type | Description |
|---|---|---|
| —————————— | —————————— | ———————————————— |
| Output1 | Audio | The filtered output |
Configurable Parameters
| GUI Parameter Name | Default Value | Range | Function Description |
|---|---|---|---|
| ————————————— | ————————— | ——————————————— | ———————————————————- |
| FilterCount | 1 | 0 to 99 | Selects a filter response curve by filter number selected |
| Boost | 0 dB | -20 to +20 dB | Set the boost value for a particular filter curve |
| Frequency | 100 Hz | 0 to 96 KHz | Cut-off frequency |
| Gain | 0 dB | -15 to +15 dB | Filter Gain |
| Q | 1.41 | 0.1 to 15 | Q factor of the filter |
| FilterType | Parametric filter | Available filter Types | Controls the type of the filter |
| EnabledOrBypassed | True | True/False | Enabled/Disabled the algorithm |
| Phase | False | True/False | Controls the phase of coefficients in 0 degree or 180 degree phase |
DSP Parameters
| Parameter Name | Description | ADSP-214xx/SC5xx/215xx | ADAU145x/146x |
|---|---|---|---|
| ——————————-- | ——————————————————————— | —————————————- | —————————- |
| Stage0_B0 | B0 Filter Coefficient | Float | FixPoint8d24 |
| Stage0_B1 | B1 Filter Coefficient | Float | FixPoint8d24 |
| Stage0_B2 | B2 Filter Coefficient | Float | FixPoint8d24 |
| Stage0_A1 | A1 Filter Coefficient | Float | FixPoint8d24 |
| Stage0_A2 | A2 Filter Coefficient | Float | FixPoint8d24 |
| alpha | Exponential decay factor | Float | FixPoint8d24 |
| CascadeCounts | Number of Cascaded Stages | Integer32 | Integer32 |
| ParamSize | Total number of filter coefficients of all stages | Integer32 | Integer32 |
Here,
- Red - Stage Number (Changes for each stage coefficients)
resources/tools-software/sigmastudiov2/modules/filters/indexselectablemultiplebad/index_selectable_multiple_band.txt · Last modified: 12 May 2021 20:12 by Sreesha Y M