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======Text-In =======

[[resources/tools-software/sigmastudio/toolbox/filters|Click here to return to the Filters page]]\\
\\

{{ :resources:tools-software:sigmastudio:toolbox:filters:tesxtineq.png?nolink&100 |}}

An alternative to the [[resources/tools-software/sigmastudio/toolbox/filters/general2ndorder|General-Purpose]] filter, the Text-In block lets you set parameters using text fields, without having to open another window. The algorithms are the same, giving access to the wide variety of 2nd-order-filter behaviors, although not all the algorithms are offered with Text-In.
 
See the [[resources/tools-software/sigmastudio/toolbox/algorithminformation/general2ndorderfilters|General 2nd Order Algorithms]] page for information about the algorithms driving these blocks. The available filters are:

  * Parametric Filter
  * Shelving EQ: Low-Shelf
  * Shelving EQ: High-Shelf
  * General: Lowpass Filter
  * General: Highpass Filter
  * Peaking EQ
  * Notch EQ
  * General: Bandpass Filter
  * General: Bandstop Filter
  * Allpass filter

To use this block:
  - Drag into the workspace, right-click the block and select  **Add Algorithm > IC N**. 
  - Select your desired algorithm:
    * Double-Precision
    * Single-Precision
  - Click the blue icon to choose your filter: Peak, Lowpass, Highpass, Low-Shelf, High-Shelf. 
  - Enter values in the param tab for Boost (Peak and Shelf EQ), Freq, Q/Slope. Click the right arrow and the gain tab and enter the filter gain.
    * Boost is the amount of boost / cut applied to the designated frequency range
    * Freq is the center frequency
    * Q/slope is the sharpness of the curve
    * Gain is the overall gain of filter.

As with other blocks, there's the option [[resources/tools-software/sigmastudio/usingsigmastudio/buildingschematics/algorithms|Grow]] this algorithm. Observe that with this block, growing the algorithm adds another frequency band to the block, which is equivalent to having two filters in series.
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