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This version (10 Feb 2021 13:00) was approved by Sanjeeva Reddy.
This version (10 Feb 2021 13:00) was approved by Sanjeeva Reddy.This is an old revision of the document!
Table of Contents
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State Variable
Description
The State Variable filter can generate three types of filters: low pass, high pass, and bandpass. The low pass and high pass outputs are inverted in phase while the bandpass maintains the phase. It allows to access the three filters simultaneously
Variants
- State Variables
- State Variable (Q input)
- State Variable (Q and F input)
Targets Supported
| Name | ADSP-214xx(Sample) | ADSP-214xx(Block) | ADSP-215xx/ADSP-SC5xx(Sample) | ADSP-215xx/ADSP-SC5xx(Block) |
|---|---|---|---|---|
| State Variables | Yes | Yes | Yes | Yes |
| State Variable (Q input) | Yes | Yes | Yes | Yes |
| State Variable (Q and F input) | Yes | Yes | Yes | Yes |
Pins
Input
| Name | Type | Description |
|---|---|---|
| Input | Audio | Input Channel 0 |
Output
| Name | Type | Description |
|---|---|---|
| LowPass_Output | Audio | Output channel 0 |
| HighPass_Output | Audio | Output channel 1 |
| BandPass_Output | Audio | Output channel 2 |
Configurable Parameters
| GUI Parameter Name | Default Value | Range | Function Description |
|---|---|---|---|
| Frequency | 73 | 0 to 19148 Hz | Cut-off frequency |
| OneOverQ | 0.71 | 0.5 to 10 | Q factor of the filter |
DSP Parameters
| Parameter Name | Description | ADSP-214xx/SC5xx/215xx |
|---|---|---|
| Frequency | Cut-off frequency | Float |
| OneOverQ | Q factor of the filter | Float |
/srv/wiki.analog.com/data/pages/resources/tools-software/sigmastudiov2/modules/filters/statevariable.txt · Last modified: 13 May 2021 13:28 by Sreesha Y M