DH_MultiFilter2

A multimode filter module that can internally chain up to 8 2-pole biquad filter stages
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DH_MultiFilter2 Ranking & Summary

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  • Rating:
  • License:
  • Freeware
  • Publisher Name:
  • David Haupt
  • Operating Systems:
  • Windows All
  • File Size:
  • 87 KB

DH_MultiFilter2 Tags


DH_MultiFilter2 Description

The DH_MultiFilter2 SynthEdit module was developed to be a multimode filter module that can internally chain up to 8 2-pole biquad filter stages in series to achieve very steep roll off characteristics when needed. The module uses all new, original code. Filter coefficient calculations are adapted from Robert Bristow-Johnson's Cookbook formulae. Filter Parameters: The options for entering filter parameters can be combined in any way that's convenient for your application, giving 4 possible input modes: Hz/Q Pitch/Res Hz/Res Pitch/Q where "Pitch" and "Res" refer to the 0 to 10 volt SE scale. Main features: 64-bit internal processing throughout Filter Stages pin allows selection of from 1 to 8 stages LP, HP, BP1, BP2, and Notch (BR) filter types 2 band pass types: BP1 - constant skirt gain, peak gain = Q BP2 - constant 0 dB peak gain Gain Compensation option for LP, HP and BP1 filter types Frequency range extends up to Nyquist. Parameters can be entered as Pitch and Res (0 - 10 volts), comparable to native SE filters, or in standard Hz and Q factor format


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