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| resources:tools-software:sigmastudio:toolbox:filters:statevariableqinput [19 Jan 2013 19:02] – please document this stuff in the help file Jonathan Bright | resources:tools-software:sigmastudio:toolbox:filters:statevariableqinput [23 Jun 2020 22:37] (current) – Fixed EngineerZone link Joshua Berlin | ||
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| {{ stateqpic1.png}} | {{ stateqpic1.png}} | ||
| - | This block allows for simultaneous access to three different filter types: lowpass, highpass, bandpass. See [[resources/ | + | This block allows for simultaneous access to three different filter types: lowpass, highpass, bandpass. See [[resources/ |
| As can be seen from the figure (above right), this block has two inputs and three outputs. The green (standard input) pin is for the signal and the orange is for a value to control filter Q. It's common to control the Q of the filter either by sending a [[resources/ | As can be seen from the figure (above right), this block has two inputs and three outputs. The green (standard input) pin is for the signal and the orange is for a value to control filter Q. It's common to control the Q of the filter either by sending a [[resources/ | ||
| - | To have control | + | To control Q from a block parameter, refer to the [[resources/ |
| The three output pins allows to choose among LP, HP, BP filters. This algorithm computes the coefficients for all filter types, giving simultaneous access. If your application does not require the use of all filter types, then the output may be connected to the [[resources/ | The three output pins allows to choose among LP, HP, BP filters. This algorithm computes the coefficients for all filter types, giving simultaneous access. If your application does not require the use of all filter types, then the output may be connected to the [[resources/ | ||
| Set the center frequency in the Freq (Hz) field or by dragging the <--> arrows. | Set the center frequency in the Freq (Hz) field or by dragging the <--> arrows. | ||
| - | |||
| - | The format for Q is 5.23, and it is inverted. In other words... | + | The format for Q is 5.23 or 8.24 (depending on your processor), and it is inverted. In other words... |
| - | Input to Q pin = 1/Q | + | Input to Q pin = <m>1/Q</m> |
| - | http:// | + | https:// |
resources/tools-software/sigmastudio/toolbox/filters/statevariableqinput.txt · Last modified: 23 Jun 2020 22:37 by Joshua Berlin